3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.driver;
23 |
24 | import android.hardware.usb.UsbConstants;
25 | import android.hardware.usb.UsbDevice;
26 | import android.hardware.usb.UsbDeviceConnection;
27 | import android.hardware.usb.UsbEndpoint;
28 | import android.hardware.usb.UsbRequest;
29 | import android.util.Log;
30 |
31 | import com.hoho.android.usbserial.util.HexDump;
32 |
33 | import java.io.IOException;
34 | import java.nio.ByteBuffer;
35 | import java.util.Collections;
36 | import java.util.LinkedHashMap;
37 | import java.util.List;
38 | import java.util.Map;
39 |
40 | /**
41 | * A {@link CommonUsbSerialPort} implementation for a variety of FTDI devices
42 | *
43 | * This driver is based on libftdi, and is
45 | * copyright and subject to the following terms:
46 | *
47 | *
48 | * Copyright (C) 2003 by Intra2net AG
49 | *
50 | * This program is free software; you can redistribute it and/or modify
51 | * it under the terms of the GNU Lesser General Public License
52 | * version 2.1 as published by the Free Software Foundation;
53 | *
54 | * opensource@intra2net.com
55 | * http://www.intra2net.com/en/developer/libftdi
56 | *
57 | *
58 | *
59 | *
60 | * Some FTDI devices have not been tested; see later listing of supported and
61 | * unsupported devices. Devices listed as "supported" support the following
62 | * features:
63 | *
64 | * - Read and write of serial data (see
65 | * {@link CommonUsbSerialPort#read(byte[], int)} and
66 | * {@link CommonUsbSerialPort#write(byte[], int)}.
67 | * - Setting serial line parameters (see
68 | * {@link CommonUsbSerialPort#setParameters(int, int, int, int)}.
69 | *
70 | *
71 | *
72 | * Supported and tested devices:
73 | *
74 | * - {@value DeviceType#TYPE_R}
75 | *
76 | *
77 | *
78 | * Unsupported but possibly working devices (please contact the author with
79 | * feedback or patches):
80 | *
81 | * - {@value DeviceType#TYPE_2232C}
82 | * - {@value DeviceType#TYPE_2232H}
83 | * - {@value DeviceType#TYPE_4232H}
84 | * - {@value DeviceType#TYPE_AM}
85 | * - {@value DeviceType#TYPE_BM}
86 | *
87 | *
88 | *
89 | * @author mike wakerly (opensource@hoho.com)
90 | * @see USB Serial
91 | * for Android project page
92 | * @see FTDI Homepage
93 | * @see libftdi
94 | */
95 | public class FtdiSerialDriver implements UsbSerialDriver {
96 |
97 | private final UsbDevice mDevice;
98 | private final UsbSerialPort mPort;
99 |
100 | /**
101 | * FTDI chip types.
102 | */
103 | private static enum DeviceType {
104 | TYPE_BM, TYPE_AM, TYPE_2232C, TYPE_R, TYPE_2232H, TYPE_4232H;
105 | }
106 |
107 | public FtdiSerialDriver(UsbDevice device) {
108 | mDevice = device;
109 | mPort = new FtdiSerialPort(mDevice, 0);
110 | }
111 | @Override
112 | public UsbDevice getDevice() {
113 | return mDevice;
114 | }
115 |
116 | @Override
117 | public List getPorts() {
118 | return Collections.singletonList(mPort);
119 | }
120 |
121 | private class FtdiSerialPort extends CommonUsbSerialPort {
122 |
123 | public static final int USB_TYPE_STANDARD = 0x00 << 5;
124 | public static final int USB_TYPE_CLASS = 0x00 << 5;
125 | public static final int USB_TYPE_VENDOR = 0x00 << 5;
126 | public static final int USB_TYPE_RESERVED = 0x00 << 5;
127 |
128 | public static final int USB_RECIP_DEVICE = 0x00;
129 | public static final int USB_RECIP_INTERFACE = 0x01;
130 | public static final int USB_RECIP_ENDPOINT = 0x02;
131 | public static final int USB_RECIP_OTHER = 0x03;
132 |
133 | public static final int USB_ENDPOINT_IN = 0x80;
134 | public static final int USB_ENDPOINT_OUT = 0x00;
135 |
136 | public static final int USB_WRITE_TIMEOUT_MILLIS = 5000;
137 | public static final int USB_READ_TIMEOUT_MILLIS = 5000;
138 |
139 | // From ftdi.h
140 | /**
141 | * Reset the port.
142 | */
143 | private static final int SIO_RESET_REQUEST = 0;
144 |
145 | /**
146 | * Set the modem control register.
147 | */
148 | private static final int SIO_MODEM_CTRL_REQUEST = 1;
149 |
150 | /**
151 | * Set flow control register.
152 | */
153 | private static final int SIO_SET_FLOW_CTRL_REQUEST = 2;
154 |
155 | /**
156 | * Set baud rate.
157 | */
158 | private static final int SIO_SET_BAUD_RATE_REQUEST = 3;
159 |
160 | /**
161 | * Set the data characteristics of the port.
162 | */
163 | private static final int SIO_SET_DATA_REQUEST = 4;
164 |
165 | private static final int SIO_RESET_SIO = 0;
166 | private static final int SIO_RESET_PURGE_RX = 1;
167 | private static final int SIO_RESET_PURGE_TX = 2;
168 |
169 | public static final int FTDI_DEVICE_OUT_REQTYPE =
170 | UsbConstants.USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT;
171 |
172 | public static final int FTDI_DEVICE_IN_REQTYPE =
173 | UsbConstants.USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN;
174 |
175 | /**
176 | * Length of the modem status header, transmitted with every read.
177 | */
178 | private static final int MODEM_STATUS_HEADER_LENGTH = 2;
179 |
180 | private final String TAG = FtdiSerialDriver.class.getSimpleName();
181 |
182 | private DeviceType mType;
183 |
184 | private int mInterface = 0; /* INTERFACE_ANY */
185 |
186 | private int mMaxPacketSize = 64; // TODO(mikey): detect
187 |
188 | /**
189 | * Due to http://b.android.com/28023 , we cannot use UsbRequest async reads
190 | * since it gives no indication of number of bytes read. Set this to
191 | * {@code true} on platforms where it is fixed.
192 | */
193 | private static final boolean ENABLE_ASYNC_READS = false;
194 |
195 | public FtdiSerialPort(UsbDevice device, int portNumber) {
196 | super(device, portNumber);
197 | }
198 |
199 | @Override
200 | public UsbSerialDriver getDriver() {
201 | return FtdiSerialDriver.this;
202 | }
203 |
204 | /**
205 | * Filter FTDI status bytes from buffer
206 | * @param src The source buffer (which contains status bytes)
207 | * @param dest The destination buffer to write the status bytes into (can be src)
208 | * @param totalBytesRead Number of bytes read to src
209 | * @param maxPacketSize The USB endpoint max packet size
210 | * @return The number of payload bytes
211 | */
212 | private final int filterStatusBytes(byte[] src, byte[] dest, int totalBytesRead, int maxPacketSize) {
213 | final int packetsCount = totalBytesRead / maxPacketSize + (totalBytesRead % maxPacketSize == 0 ? 0 : 1);
214 | for (int packetIdx = 0; packetIdx < packetsCount; ++packetIdx) {
215 | final int count = (packetIdx == (packetsCount - 1))
216 | ? (totalBytesRead % maxPacketSize) - MODEM_STATUS_HEADER_LENGTH
217 | : maxPacketSize - MODEM_STATUS_HEADER_LENGTH;
218 | if (count > 0) {
219 | System.arraycopy(src,
220 | packetIdx * maxPacketSize + MODEM_STATUS_HEADER_LENGTH,
221 | dest,
222 | packetIdx * (maxPacketSize - MODEM_STATUS_HEADER_LENGTH),
223 | count);
224 | }
225 | }
226 |
227 | return totalBytesRead - (packetsCount * 2);
228 | }
229 |
230 | public void reset() throws IOException {
231 | int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
232 | SIO_RESET_SIO, 0 /* index */, null, 0, USB_WRITE_TIMEOUT_MILLIS);
233 | if (result != 0) {
234 | throw new IOException("Reset failed: result=" + result);
235 | }
236 |
237 | // TODO(mikey): autodetect.
238 | mType = DeviceType.TYPE_R;
239 | }
240 |
241 | @Override
242 | public void open(UsbDeviceConnection connection) throws IOException {
243 | if (mConnection != null) {
244 | throw new IOException("Already open");
245 | }
246 | mConnection = connection;
247 |
248 | boolean opened = false;
249 | try {
250 | for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
251 | if (connection.claimInterface(mDevice.getInterface(i), true)) {
252 | Log.d(TAG, "claimInterface " + i + " SUCCESS");
253 | } else {
254 | throw new IOException("Error claiming interface " + i);
255 | }
256 | }
257 | reset();
258 | opened = true;
259 | } finally {
260 | if (!opened) {
261 | close();
262 | mConnection = null;
263 | }
264 | }
265 | }
266 |
267 | @Override
268 | public void close() throws IOException {
269 | if (mConnection == null) {
270 | throw new IOException("Already closed");
271 | }
272 | try {
273 | mConnection.close();
274 | } finally {
275 | mConnection = null;
276 | }
277 | }
278 |
279 | @Override
280 | public int read(byte[] dest, int timeoutMillis) throws IOException {
281 | final UsbEndpoint endpoint = mDevice.getInterface(0).getEndpoint(0);
282 |
283 | if (ENABLE_ASYNC_READS) {
284 | final int readAmt;
285 | synchronized (mReadBufferLock) {
286 | // mReadBuffer is only used for maximum read size.
287 | readAmt = Math.min(dest.length, mReadBuffer.length);
288 | }
289 |
290 | final UsbRequest request = new UsbRequest();
291 | request.initialize(mConnection, endpoint);
292 |
293 | final ByteBuffer buf = ByteBuffer.wrap(dest);
294 | if (!request.queue(buf, readAmt)) {
295 | throw new IOException("Error queueing request.");
296 | }
297 |
298 | final UsbRequest response = mConnection.requestWait();
299 | if (response == null) {
300 | throw new IOException("Null response");
301 | }
302 |
303 | final int payloadBytesRead = buf.position() - MODEM_STATUS_HEADER_LENGTH;
304 | if (payloadBytesRead > 0) {
305 | Log.d(TAG, HexDump.dumpHexString(dest, 0, Math.min(32, dest.length)));
306 | return payloadBytesRead;
307 | } else {
308 | return 0;
309 | }
310 | } else {
311 | final int totalBytesRead;
312 |
313 | synchronized (mReadBufferLock) {
314 | final int readAmt = Math.min(dest.length, mReadBuffer.length);
315 | totalBytesRead = mConnection.bulkTransfer(endpoint, mReadBuffer,
316 | readAmt, timeoutMillis);
317 |
318 | if (totalBytesRead < MODEM_STATUS_HEADER_LENGTH) {
319 | throw new IOException("Expected at least " + MODEM_STATUS_HEADER_LENGTH + " bytes");
320 | }
321 |
322 | return filterStatusBytes(mReadBuffer, dest, totalBytesRead, endpoint.getMaxPacketSize());
323 | }
324 | }
325 | }
326 |
327 | @Override
328 | public int write(byte[] src, int timeoutMillis) throws IOException {
329 | final UsbEndpoint endpoint = mDevice.getInterface(0).getEndpoint(1);
330 | int offset = 0;
331 |
332 | while (offset < src.length) {
333 | final int writeLength;
334 | final int amtWritten;
335 |
336 | synchronized (mWriteBufferLock) {
337 | final byte[] writeBuffer;
338 |
339 | writeLength = Math.min(src.length - offset, mWriteBuffer.length);
340 | if (offset == 0) {
341 | writeBuffer = src;
342 | } else {
343 | // bulkTransfer does not support offsets, make a copy.
344 | System.arraycopy(src, offset, mWriteBuffer, 0, writeLength);
345 | writeBuffer = mWriteBuffer;
346 | }
347 |
348 | amtWritten = mConnection.bulkTransfer(endpoint, writeBuffer, writeLength,
349 | timeoutMillis);
350 | }
351 |
352 | if (amtWritten <= 0) {
353 | throw new IOException("Error writing " + writeLength
354 | + " bytes at offset " + offset + " length=" + src.length);
355 | }
356 |
357 | Log.d(TAG, "Wrote amtWritten=" + amtWritten + " attempted=" + writeLength);
358 | offset += amtWritten;
359 | }
360 | return offset;
361 | }
362 |
363 | private int setBaudRate(int baudRate) throws IOException {
364 | long[] vals = convertBaudrate(baudRate);
365 | long actualBaudrate = vals[0];
366 | long index = vals[1];
367 | long value = vals[2];
368 | int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE,
369 | SIO_SET_BAUD_RATE_REQUEST, (int) value, (int) index,
370 | null, 0, USB_WRITE_TIMEOUT_MILLIS);
371 | if (result != 0) {
372 | throw new IOException("Setting baudrate failed: result=" + result);
373 | }
374 | return (int) actualBaudrate;
375 | }
376 |
377 | @Override
378 | public void setParameters(int baudRate, int dataBits, int stopBits, int parity)
379 | throws IOException {
380 | setBaudRate(baudRate);
381 |
382 | int config = dataBits;
383 |
384 | switch (parity) {
385 | case PARITY_NONE:
386 | config |= (0x00 << 8);
387 | break;
388 | case PARITY_ODD:
389 | config |= (0x01 << 8);
390 | break;
391 | case PARITY_EVEN:
392 | config |= (0x02 << 8);
393 | break;
394 | case PARITY_MARK:
395 | config |= (0x03 << 8);
396 | break;
397 | case PARITY_SPACE:
398 | config |= (0x04 << 8);
399 | break;
400 | default:
401 | throw new IllegalArgumentException("Unknown parity value: " + parity);
402 | }
403 |
404 | switch (stopBits) {
405 | case STOPBITS_1:
406 | config |= (0x00 << 11);
407 | break;
408 | case STOPBITS_1_5:
409 | config |= (0x01 << 11);
410 | break;
411 | case STOPBITS_2:
412 | config |= (0x02 << 11);
413 | break;
414 | default:
415 | throw new IllegalArgumentException("Unknown stopBits value: " + stopBits);
416 | }
417 |
418 | int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE,
419 | SIO_SET_DATA_REQUEST, config, 0 /* index */,
420 | null, 0, USB_WRITE_TIMEOUT_MILLIS);
421 | if (result != 0) {
422 | throw new IOException("Setting parameters failed: result=" + result);
423 | }
424 | }
425 |
426 | private long[] convertBaudrate(int baudrate) {
427 | // TODO(mikey): Braindead transcription of libfti method. Clean up,
428 | // using more idiomatic Java where possible.
429 | int divisor = 24000000 / baudrate;
430 | int bestDivisor = 0;
431 | int bestBaud = 0;
432 | int bestBaudDiff = 0;
433 | int fracCode[] = {
434 | 0, 3, 2, 4, 1, 5, 6, 7
435 | };
436 |
437 | for (int i = 0; i < 2; i++) {
438 | int tryDivisor = divisor + i;
439 | int baudEstimate;
440 | int baudDiff;
441 |
442 | if (tryDivisor <= 8) {
443 | // Round up to minimum supported divisor
444 | tryDivisor = 8;
445 | } else if (mType != DeviceType.TYPE_AM && tryDivisor < 12) {
446 | // BM doesn't support divisors 9 through 11 inclusive
447 | tryDivisor = 12;
448 | } else if (divisor < 16) {
449 | // AM doesn't support divisors 9 through 15 inclusive
450 | tryDivisor = 16;
451 | } else {
452 | if (mType == DeviceType.TYPE_AM) {
453 | // TODO
454 | } else {
455 | if (tryDivisor > 0x1FFFF) {
456 | // Round down to maximum supported divisor value (for
457 | // BM)
458 | tryDivisor = 0x1FFFF;
459 | }
460 | }
461 | }
462 |
463 | // Get estimated baud rate (to nearest integer)
464 | baudEstimate = (24000000 + (tryDivisor / 2)) / tryDivisor;
465 |
466 | // Get absolute difference from requested baud rate
467 | if (baudEstimate < baudrate) {
468 | baudDiff = baudrate - baudEstimate;
469 | } else {
470 | baudDiff = baudEstimate - baudrate;
471 | }
472 |
473 | if (i == 0 || baudDiff < bestBaudDiff) {
474 | // Closest to requested baud rate so far
475 | bestDivisor = tryDivisor;
476 | bestBaud = baudEstimate;
477 | bestBaudDiff = baudDiff;
478 | if (baudDiff == 0) {
479 | // Spot on! No point trying
480 | break;
481 | }
482 | }
483 | }
484 |
485 | // Encode the best divisor value
486 | long encodedDivisor = (bestDivisor >> 3) | (fracCode[bestDivisor & 7] << 14);
487 | // Deal with special cases for encoded value
488 | if (encodedDivisor == 1) {
489 | encodedDivisor = 0; // 3000000 baud
490 | } else if (encodedDivisor == 0x4001) {
491 | encodedDivisor = 1; // 2000000 baud (BM only)
492 | }
493 |
494 | // Split into "value" and "index" values
495 | long value = encodedDivisor & 0xFFFF;
496 | long index;
497 | if (mType == DeviceType.TYPE_2232C || mType == DeviceType.TYPE_2232H
498 | || mType == DeviceType.TYPE_4232H) {
499 | index = (encodedDivisor >> 8) & 0xffff;
500 | index &= 0xFF00;
501 | index |= 0 /* TODO mIndex */;
502 | } else {
503 | index = (encodedDivisor >> 16) & 0xffff;
504 | }
505 |
506 | // Return the nearest baud rate
507 | return new long[] {
508 | bestBaud, index, value
509 | };
510 | }
511 |
512 | @Override
513 | public boolean getCD() throws IOException {
514 | return false;
515 | }
516 |
517 | @Override
518 | public boolean getCTS() throws IOException {
519 | return false;
520 | }
521 |
522 | @Override
523 | public boolean getDSR() throws IOException {
524 | return false;
525 | }
526 |
527 | @Override
528 | public boolean getDTR() throws IOException {
529 | return false;
530 | }
531 |
532 | @Override
533 | public void setDTR(boolean value) throws IOException {
534 | }
535 |
536 | @Override
537 | public boolean getRI() throws IOException {
538 | return false;
539 | }
540 |
541 | @Override
542 | public boolean getRTS() throws IOException {
543 | return false;
544 | }
545 |
546 | @Override
547 | public void setRTS(boolean value) throws IOException {
548 | }
549 |
550 | @Override
551 | public boolean purgeHwBuffers(boolean purgeReadBuffers, boolean purgeWriteBuffers) throws IOException {
552 | if (purgeReadBuffers) {
553 | int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
554 | SIO_RESET_PURGE_RX, 0 /* index */, null, 0, USB_WRITE_TIMEOUT_MILLIS);
555 | if (result != 0) {
556 | throw new IOException("Flushing RX failed: result=" + result);
557 | }
558 | }
559 |
560 | if (purgeWriteBuffers) {
561 | int result = mConnection.controlTransfer(FTDI_DEVICE_OUT_REQTYPE, SIO_RESET_REQUEST,
562 | SIO_RESET_PURGE_TX, 0 /* index */, null, 0, USB_WRITE_TIMEOUT_MILLIS);
563 | if (result != 0) {
564 | throw new IOException("Flushing RX failed: result=" + result);
565 | }
566 | }
567 | return true;
568 | }
569 | }
570 |
571 | public static Map getSupportedDevices() {
572 | final Map supportedDevices = new LinkedHashMap();
573 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_FTDI),
574 | new int[] {
575 | UsbId.FTDI_FT232R,
576 | UsbId.FTDI_FT231X,
577 | });
578 | return supportedDevices;
579 | }
580 |
581 | }
582 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/ProbeTable.java:
--------------------------------------------------------------------------------
1 | /* Copyright 2011-2013 Google Inc.
2 | * Copyright 2013 mike wakerly
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.driver;
23 |
24 | import android.util.Pair;
25 |
26 | import java.lang.reflect.InvocationTargetException;
27 | import java.lang.reflect.Method;
28 | import java.util.LinkedHashMap;
29 | import java.util.Map;
30 |
31 | /**
32 | * Maps (vendor id, product id) pairs to the corresponding serial driver.
33 | *
34 | * @author mike wakerly (opensource@hoho.com)
35 | */
36 | public class ProbeTable {
37 |
38 | private final Map, Class> mProbeTable =
39 | new LinkedHashMap, Class>();
40 |
41 | /**
42 | * Adds or updates a (vendor, product) pair in the table.
43 | *
44 | * @param vendorId the USB vendor id
45 | * @param productId the USB product id
46 | * @param driverClass the driver class responsible for this pair
47 | * @return {@code this}, for chaining
48 | */
49 | public ProbeTable addProduct(int vendorId, int productId,
50 | Class driverClass) {
51 | mProbeTable.put(Pair.create(vendorId, productId), driverClass);
52 | return this;
53 | }
54 |
55 | /**
56 | * Internal method to add all supported products from
57 | * {@code getSupportedProducts} static method.
58 | *
59 | * @param driverClass
60 | * @return
61 | */
62 | @SuppressWarnings("unchecked")
63 | public ProbeTable addDriver(Class driverClass) {
64 | final Method method;
65 |
66 | try {
67 | method = driverClass.getMethod("getSupportedDevices");
68 | } catch (SecurityException e) {
69 | throw new RuntimeException(e);
70 | } catch (NoSuchMethodException e) {
71 | throw new RuntimeException(e);
72 | }
73 |
74 | final Map devices;
75 | try {
76 | devices = (Map) method.invoke(null);
77 | } catch (IllegalArgumentException e) {
78 | throw new RuntimeException(e);
79 | } catch (IllegalAccessException e) {
80 | throw new RuntimeException(e);
81 | } catch (InvocationTargetException e) {
82 | throw new RuntimeException(e);
83 | }
84 |
85 | for (Map.Entry entry : devices.entrySet()) {
86 | final int vendorId = entry.getKey().intValue();
87 | for (int productId : entry.getValue()) {
88 | addProduct(vendorId, productId, driverClass);
89 | }
90 | }
91 |
92 | return this;
93 | }
94 |
95 | /**
96 | * Returns the driver for the given (vendor, product) pair, or {@code null}
97 | * if no match.
98 | *
99 | * @param vendorId the USB vendor id
100 | * @param productId the USB product id
101 | * @return the driver class matching this pair, or {@code null}
102 | */
103 | public Class findDriver(int vendorId, int productId) {
104 | final Pair pair = Pair.create(vendorId, productId);
105 | return mProbeTable.get(pair);
106 | }
107 |
108 | }
109 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/ProlificSerialDriver.java:
--------------------------------------------------------------------------------
1 | /* This library is free software; you can redistribute it and/or
2 | * modify it under the terms of the GNU Lesser General Public
3 | * License as published by the Free Software Foundation; either
4 | * version 2.1 of the License, or (at your option) any later version.
5 | *
6 | * This library is distributed in the hope that it will be useful,
7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9 | * Lesser General Public License for more details.
10 | *
11 | * You should have received a copy of the GNU Lesser General Public
12 | * License along with this library; if not, write to the Free Software
13 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
14 | * USA.
15 | *
16 | * Project home page: https://github.com/mik3y/usb-serial-for-android
17 | */
18 |
19 | /*
20 | * Ported to usb-serial-for-android
21 | * by Felix Hädicke
22 | *
23 | * Based on the pyprolific driver written
24 | * by Emmanuel Blot
25 | * See https://github.com/eblot/pyftdi
26 | */
27 |
28 | package com.hoho.android.usbserial.driver;
29 |
30 | import android.hardware.usb.UsbConstants;
31 | import android.hardware.usb.UsbDevice;
32 | import android.hardware.usb.UsbDeviceConnection;
33 | import android.hardware.usb.UsbEndpoint;
34 | import android.hardware.usb.UsbInterface;
35 | import android.util.Log;
36 |
37 | import java.io.IOException;
38 | import java.lang.reflect.Method;
39 | import java.util.Collections;
40 | import java.util.LinkedHashMap;
41 | import java.util.List;
42 | import java.util.Map;
43 |
44 | public class ProlificSerialDriver implements UsbSerialDriver {
45 |
46 | private final String TAG = ProlificSerialDriver.class.getSimpleName();
47 |
48 | private final UsbDevice mDevice;
49 | private final UsbSerialPort mPort;
50 |
51 | public ProlificSerialDriver(UsbDevice device) {
52 | mDevice = device;
53 | mPort = new ProlificSerialPort(mDevice, 0);
54 | }
55 |
56 | @Override
57 | public List getPorts() {
58 | return Collections.singletonList(mPort);
59 | }
60 |
61 | @Override
62 | public UsbDevice getDevice() {
63 | return mDevice;
64 | }
65 |
66 | class ProlificSerialPort extends CommonUsbSerialPort {
67 |
68 | private static final int USB_READ_TIMEOUT_MILLIS = 1000;
69 | private static final int USB_WRITE_TIMEOUT_MILLIS = 5000;
70 |
71 | private static final int USB_RECIP_INTERFACE = 0x01;
72 |
73 | private static final int PROLIFIC_VENDOR_READ_REQUEST = 0x01;
74 | private static final int PROLIFIC_VENDOR_WRITE_REQUEST = 0x01;
75 |
76 | private static final int PROLIFIC_VENDOR_OUT_REQTYPE = UsbConstants.USB_DIR_OUT
77 | | UsbConstants.USB_TYPE_VENDOR;
78 |
79 | private static final int PROLIFIC_VENDOR_IN_REQTYPE = UsbConstants.USB_DIR_IN
80 | | UsbConstants.USB_TYPE_VENDOR;
81 |
82 | private static final int PROLIFIC_CTRL_OUT_REQTYPE = UsbConstants.USB_DIR_OUT
83 | | UsbConstants.USB_TYPE_CLASS | USB_RECIP_INTERFACE;
84 |
85 | private static final int WRITE_ENDPOINT = 0x02;
86 | private static final int READ_ENDPOINT = 0x83;
87 | private static final int INTERRUPT_ENDPOINT = 0x81;
88 |
89 | private static final int FLUSH_RX_REQUEST = 0x08;
90 | private static final int FLUSH_TX_REQUEST = 0x09;
91 |
92 | private static final int SET_LINE_REQUEST = 0x20;
93 | private static final int SET_CONTROL_REQUEST = 0x22;
94 |
95 | private static final int CONTROL_DTR = 0x01;
96 | private static final int CONTROL_RTS = 0x02;
97 |
98 | private static final int STATUS_FLAG_CD = 0x01;
99 | private static final int STATUS_FLAG_DSR = 0x02;
100 | private static final int STATUS_FLAG_RI = 0x08;
101 | private static final int STATUS_FLAG_CTS = 0x80;
102 |
103 | private static final int STATUS_BUFFER_SIZE = 10;
104 | private static final int STATUS_BYTE_IDX = 8;
105 |
106 | private static final int DEVICE_TYPE_HX = 0;
107 | private static final int DEVICE_TYPE_0 = 1;
108 | private static final int DEVICE_TYPE_1 = 2;
109 |
110 | private int mDeviceType = DEVICE_TYPE_HX;
111 |
112 | private UsbEndpoint mReadEndpoint;
113 | private UsbEndpoint mWriteEndpoint;
114 | private UsbEndpoint mInterruptEndpoint;
115 |
116 | private int mControlLinesValue = 0;
117 |
118 | private int mBaudRate = -1, mDataBits = -1, mStopBits = -1, mParity = -1;
119 |
120 | private int mStatus = 0;
121 | private volatile Thread mReadStatusThread = null;
122 | private final Object mReadStatusThreadLock = new Object();
123 | boolean mStopReadStatusThread = false;
124 | private IOException mReadStatusException = null;
125 |
126 |
127 | public ProlificSerialPort(UsbDevice device, int portNumber) {
128 | super(device, portNumber);
129 | }
130 |
131 | @Override
132 | public UsbSerialDriver getDriver() {
133 | return ProlificSerialDriver.this;
134 | }
135 |
136 | private final byte[] inControlTransfer(int requestType, int request,
137 | int value, int index, int length) throws IOException {
138 | byte[] buffer = new byte[length];
139 | int result = mConnection.controlTransfer(requestType, request, value,
140 | index, buffer, length, USB_READ_TIMEOUT_MILLIS);
141 | if (result != length) {
142 | throw new IOException(
143 | String.format("ControlTransfer with value 0x%x failed: %d",
144 | value, result));
145 | }
146 | return buffer;
147 | }
148 |
149 | private final void outControlTransfer(int requestType, int request,
150 | int value, int index, byte[] data) throws IOException {
151 | int length = (data == null) ? 0 : data.length;
152 | int result = mConnection.controlTransfer(requestType, request, value,
153 | index, data, length, USB_WRITE_TIMEOUT_MILLIS);
154 | if (result != length) {
155 | throw new IOException(
156 | String.format("ControlTransfer with value 0x%x failed: %d",
157 | value, result));
158 | }
159 | }
160 |
161 | private final byte[] vendorIn(int value, int index, int length)
162 | throws IOException {
163 | return inControlTransfer(PROLIFIC_VENDOR_IN_REQTYPE,
164 | PROLIFIC_VENDOR_READ_REQUEST, value, index, length);
165 | }
166 |
167 | private final void vendorOut(int value, int index, byte[] data)
168 | throws IOException {
169 | outControlTransfer(PROLIFIC_VENDOR_OUT_REQTYPE,
170 | PROLIFIC_VENDOR_WRITE_REQUEST, value, index, data);
171 | }
172 |
173 | private void resetDevice() throws IOException {
174 | purgeHwBuffers(true, true);
175 | }
176 |
177 | private final void ctrlOut(int request, int value, int index, byte[] data)
178 | throws IOException {
179 | outControlTransfer(PROLIFIC_CTRL_OUT_REQTYPE, request, value, index,
180 | data);
181 | }
182 |
183 | private void doBlackMagic() throws IOException {
184 | vendorIn(0x8484, 0, 1);
185 | vendorOut(0x0404, 0, null);
186 | vendorIn(0x8484, 0, 1);
187 | vendorIn(0x8383, 0, 1);
188 | vendorIn(0x8484, 0, 1);
189 | vendorOut(0x0404, 1, null);
190 | vendorIn(0x8484, 0, 1);
191 | vendorIn(0x8383, 0, 1);
192 | vendorOut(0, 1, null);
193 | vendorOut(1, 0, null);
194 | vendorOut(2, (mDeviceType == DEVICE_TYPE_HX) ? 0x44 : 0x24, null);
195 | }
196 |
197 | private void setControlLines(int newControlLinesValue) throws IOException {
198 | ctrlOut(SET_CONTROL_REQUEST, newControlLinesValue, 0, null);
199 | mControlLinesValue = newControlLinesValue;
200 | }
201 |
202 | private final void readStatusThreadFunction() {
203 | try {
204 | while (!mStopReadStatusThread) {
205 | byte[] buffer = new byte[STATUS_BUFFER_SIZE];
206 | int readBytesCount = mConnection.bulkTransfer(mInterruptEndpoint,
207 | buffer,
208 | STATUS_BUFFER_SIZE,
209 | 500);
210 | if (readBytesCount > 0) {
211 | if (readBytesCount == STATUS_BUFFER_SIZE) {
212 | mStatus = buffer[STATUS_BYTE_IDX] & 0xff;
213 | } else {
214 | throw new IOException(
215 | String.format("Invalid CTS / DSR / CD / RI status buffer received, expected %d bytes, but received %d",
216 | STATUS_BUFFER_SIZE,
217 | readBytesCount));
218 | }
219 | }
220 | }
221 | } catch (IOException e) {
222 | mReadStatusException = e;
223 | }
224 | }
225 |
226 | private final int getStatus() throws IOException {
227 | if ((mReadStatusThread == null) && (mReadStatusException == null)) {
228 | synchronized (mReadStatusThreadLock) {
229 | if (mReadStatusThread == null) {
230 | byte[] buffer = new byte[STATUS_BUFFER_SIZE];
231 | int readBytes = mConnection.bulkTransfer(mInterruptEndpoint,
232 | buffer,
233 | STATUS_BUFFER_SIZE,
234 | 100);
235 | if (readBytes != STATUS_BUFFER_SIZE) {
236 | Log.w(TAG, "Could not read initial CTS / DSR / CD / RI status");
237 | } else {
238 | mStatus = buffer[STATUS_BYTE_IDX] & 0xff;
239 | }
240 |
241 | mReadStatusThread = new Thread(new Runnable() {
242 | @Override
243 | public void run() {
244 | readStatusThreadFunction();
245 | }
246 | });
247 | mReadStatusThread.setDaemon(true);
248 | mReadStatusThread.start();
249 | }
250 | }
251 | }
252 |
253 | /* throw and clear an exception which occured in the status read thread */
254 | IOException readStatusException = mReadStatusException;
255 | if (mReadStatusException != null) {
256 | mReadStatusException = null;
257 | throw readStatusException;
258 | }
259 |
260 | return mStatus;
261 | }
262 |
263 | private final boolean testStatusFlag(int flag) throws IOException {
264 | return ((getStatus() & flag) == flag);
265 | }
266 |
267 | @Override
268 | public void open(UsbDeviceConnection connection) throws IOException {
269 | if (mConnection != null) {
270 | throw new IOException("Already open");
271 | }
272 |
273 | UsbInterface usbInterface = mDevice.getInterface(0);
274 |
275 | if (!connection.claimInterface(usbInterface, true)) {
276 | throw new IOException("Error claiming Prolific interface 0");
277 | }
278 |
279 | mConnection = connection;
280 | boolean opened = false;
281 | try {
282 | for (int i = 0; i < usbInterface.getEndpointCount(); ++i) {
283 | UsbEndpoint currentEndpoint = usbInterface.getEndpoint(i);
284 |
285 | switch (currentEndpoint.getAddress()) {
286 | case READ_ENDPOINT:
287 | mReadEndpoint = currentEndpoint;
288 | break;
289 |
290 | case WRITE_ENDPOINT:
291 | mWriteEndpoint = currentEndpoint;
292 | break;
293 |
294 | case INTERRUPT_ENDPOINT:
295 | mInterruptEndpoint = currentEndpoint;
296 | break;
297 | }
298 | }
299 |
300 | if (mDevice.getDeviceClass() == 0x02) {
301 | mDeviceType = DEVICE_TYPE_0;
302 | } else {
303 | try {
304 | Method getRawDescriptorsMethod
305 | = mConnection.getClass().getMethod("getRawDescriptors");
306 | byte[] rawDescriptors
307 | = (byte[]) getRawDescriptorsMethod.invoke(mConnection);
308 | byte maxPacketSize0 = rawDescriptors[7];
309 | if (maxPacketSize0 == 64) {
310 | mDeviceType = DEVICE_TYPE_HX;
311 | } else if ((mDevice.getDeviceClass() == 0x00)
312 | || (mDevice.getDeviceClass() == 0xff)) {
313 | mDeviceType = DEVICE_TYPE_1;
314 | } else {
315 | Log.w(TAG, "Could not detect PL2303 subtype, "
316 | + "Assuming that it is a HX device");
317 | mDeviceType = DEVICE_TYPE_HX;
318 | }
319 | } catch (NoSuchMethodException e) {
320 | Log.w(TAG, "Method UsbDeviceConnection.getRawDescriptors, "
321 | + "required for PL2303 subtype detection, not "
322 | + "available! Assuming that it is a HX device");
323 | mDeviceType = DEVICE_TYPE_HX;
324 | } catch (Exception e) {
325 | Log.e(TAG, "An unexpected exception occured while trying "
326 | + "to detect PL2303 subtype", e);
327 | }
328 | }
329 |
330 | setControlLines(mControlLinesValue);
331 | resetDevice();
332 |
333 | doBlackMagic();
334 | opened = true;
335 | } finally {
336 | if (!opened) {
337 | mConnection = null;
338 | connection.releaseInterface(usbInterface);
339 | }
340 | }
341 | }
342 |
343 | @Override
344 | public void close() throws IOException {
345 | if (mConnection == null) {
346 | throw new IOException("Already closed");
347 | }
348 | try {
349 | mStopReadStatusThread = true;
350 | synchronized (mReadStatusThreadLock) {
351 | if (mReadStatusThread != null) {
352 | try {
353 | mReadStatusThread.join();
354 | } catch (Exception e) {
355 | Log.w(TAG, "An error occured while waiting for status read thread", e);
356 | }
357 | }
358 | }
359 | resetDevice();
360 | } finally {
361 | try {
362 | mConnection.releaseInterface(mDevice.getInterface(0));
363 | } finally {
364 | mConnection = null;
365 | }
366 | }
367 | }
368 |
369 | @Override
370 | public int read(byte[] dest, int timeoutMillis) throws IOException {
371 | synchronized (mReadBufferLock) {
372 | int readAmt = Math.min(dest.length, mReadBuffer.length);
373 | int numBytesRead = mConnection.bulkTransfer(mReadEndpoint, mReadBuffer,
374 | readAmt, timeoutMillis);
375 | if (numBytesRead < 0) {
376 | return 0;
377 | }
378 | System.arraycopy(mReadBuffer, 0, dest, 0, numBytesRead);
379 | return numBytesRead;
380 | }
381 | }
382 |
383 | @Override
384 | public int write(byte[] src, int timeoutMillis) throws IOException {
385 | int offset = 0;
386 |
387 | while (offset < src.length) {
388 | final int writeLength;
389 | final int amtWritten;
390 |
391 | synchronized (mWriteBufferLock) {
392 | final byte[] writeBuffer;
393 |
394 | writeLength = Math.min(src.length - offset, mWriteBuffer.length);
395 | if (offset == 0) {
396 | writeBuffer = src;
397 | } else {
398 | // bulkTransfer does not support offsets, make a copy.
399 | System.arraycopy(src, offset, mWriteBuffer, 0, writeLength);
400 | writeBuffer = mWriteBuffer;
401 | }
402 |
403 | amtWritten = mConnection.bulkTransfer(mWriteEndpoint,
404 | writeBuffer, writeLength, timeoutMillis);
405 | }
406 |
407 | if (amtWritten <= 0) {
408 | throw new IOException("Error writing " + writeLength
409 | + " bytes at offset " + offset + " length="
410 | + src.length);
411 | }
412 |
413 | offset += amtWritten;
414 | }
415 | return offset;
416 | }
417 |
418 | @Override
419 | public void setParameters(int baudRate, int dataBits, int stopBits,
420 | int parity) throws IOException {
421 | if ((mBaudRate == baudRate) && (mDataBits == dataBits)
422 | && (mStopBits == stopBits) && (mParity == parity)) {
423 | // Make sure no action is performed if there is nothing to change
424 | return;
425 | }
426 |
427 | byte[] lineRequestData = new byte[7];
428 |
429 | lineRequestData[0] = (byte) (baudRate & 0xff);
430 | lineRequestData[1] = (byte) ((baudRate >> 8) & 0xff);
431 | lineRequestData[2] = (byte) ((baudRate >> 16) & 0xff);
432 | lineRequestData[3] = (byte) ((baudRate >> 24) & 0xff);
433 |
434 | switch (stopBits) {
435 | case STOPBITS_1:
436 | lineRequestData[4] = 0;
437 | break;
438 |
439 | case STOPBITS_1_5:
440 | lineRequestData[4] = 1;
441 | break;
442 |
443 | case STOPBITS_2:
444 | lineRequestData[4] = 2;
445 | break;
446 |
447 | default:
448 | throw new IllegalArgumentException("Unknown stopBits value: " + stopBits);
449 | }
450 |
451 | switch (parity) {
452 | case PARITY_NONE:
453 | lineRequestData[5] = 0;
454 | break;
455 |
456 | case PARITY_ODD:
457 | lineRequestData[5] = 1;
458 | break;
459 |
460 | case PARITY_MARK:
461 | lineRequestData[5] = 3;
462 | break;
463 |
464 | case PARITY_SPACE:
465 | lineRequestData[5] = 4;
466 | break;
467 |
468 | default:
469 | throw new IllegalArgumentException("Unknown parity value: " + parity);
470 | }
471 |
472 | lineRequestData[6] = (byte) dataBits;
473 |
474 | ctrlOut(SET_LINE_REQUEST, 0, 0, lineRequestData);
475 |
476 | resetDevice();
477 |
478 | mBaudRate = baudRate;
479 | mDataBits = dataBits;
480 | mStopBits = stopBits;
481 | mParity = parity;
482 | }
483 |
484 | @Override
485 | public boolean getCD() throws IOException {
486 | return testStatusFlag(STATUS_FLAG_CD);
487 | }
488 |
489 | @Override
490 | public boolean getCTS() throws IOException {
491 | return testStatusFlag(STATUS_FLAG_CTS);
492 | }
493 |
494 | @Override
495 | public boolean getDSR() throws IOException {
496 | return testStatusFlag(STATUS_FLAG_DSR);
497 | }
498 |
499 | @Override
500 | public boolean getDTR() throws IOException {
501 | return ((mControlLinesValue & CONTROL_DTR) == CONTROL_DTR);
502 | }
503 |
504 | @Override
505 | public void setDTR(boolean value) throws IOException {
506 | int newControlLinesValue;
507 | if (value) {
508 | newControlLinesValue = mControlLinesValue | CONTROL_DTR;
509 | } else {
510 | newControlLinesValue = mControlLinesValue & ~CONTROL_DTR;
511 | }
512 | setControlLines(newControlLinesValue);
513 | }
514 |
515 | @Override
516 | public boolean getRI() throws IOException {
517 | return testStatusFlag(STATUS_FLAG_RI);
518 | }
519 |
520 | @Override
521 | public boolean getRTS() throws IOException {
522 | return ((mControlLinesValue & CONTROL_RTS) == CONTROL_RTS);
523 | }
524 |
525 | @Override
526 | public void setRTS(boolean value) throws IOException {
527 | int newControlLinesValue;
528 | if (value) {
529 | newControlLinesValue = mControlLinesValue | CONTROL_RTS;
530 | } else {
531 | newControlLinesValue = mControlLinesValue & ~CONTROL_RTS;
532 | }
533 | setControlLines(newControlLinesValue);
534 | }
535 |
536 | @Override
537 | public boolean purgeHwBuffers(boolean purgeReadBuffers, boolean purgeWriteBuffers) throws IOException {
538 | if (purgeReadBuffers) {
539 | vendorOut(FLUSH_RX_REQUEST, 0, null);
540 | }
541 |
542 | if (purgeWriteBuffers) {
543 | vendorOut(FLUSH_TX_REQUEST, 0, null);
544 | }
545 |
546 | return purgeReadBuffers || purgeWriteBuffers;
547 | }
548 | }
549 |
550 | public static Map getSupportedDevices() {
551 | final Map supportedDevices = new LinkedHashMap();
552 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_PROLIFIC),
553 | new int[] { UsbId.PROLIFIC_PL2303, });
554 | return supportedDevices;
555 | }
556 | }
557 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/UsbId.java:
--------------------------------------------------------------------------------
1 | /* Copyright 2011-2013 Google Inc.
2 | * Copyright 2013 mike wakerly
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.driver;
23 |
24 | /**
25 | * Registry of USB vendor/product ID constants.
26 | *
27 | * Culled from various sources; see usb.ids for one listing.
29 | *
30 | * @author mike wakerly (opensource@hoho.com)
31 | */
32 | public final class UsbId {
33 |
34 | public static final int VENDOR_FTDI = 0x0403;
35 | public static final int FTDI_FT232R = 0x6001;
36 | public static final int FTDI_FT231X = 0x6015;
37 |
38 | public static final int VENDOR_ATMEL = 0x03EB;
39 | public static final int ATMEL_LUFA_CDC_DEMO_APP = 0x2044;
40 |
41 | public static final int VENDOR_ARDUINO = 0x2341;
42 | public static final int ARDUINO_UNO = 0x0001;
43 | public static final int ARDUINO_MEGA_2560 = 0x0010;
44 | public static final int ARDUINO_SERIAL_ADAPTER = 0x003b;
45 | public static final int ARDUINO_MEGA_ADK = 0x003f;
46 | public static final int ARDUINO_MEGA_2560_R3 = 0x0042;
47 | public static final int ARDUINO_UNO_R3 = 0x0043;
48 | public static final int ARDUINO_MEGA_ADK_R3 = 0x0044;
49 | public static final int ARDUINO_SERIAL_ADAPTER_R3 = 0x0044;
50 | public static final int ARDUINO_LEONARDO = 0x8036;
51 |
52 | public static final int VENDOR_VAN_OOIJEN_TECH = 0x16c0;
53 | public static final int VAN_OOIJEN_TECH_TEENSYDUINO_SERIAL = 0x0483;
54 |
55 | public static final int VENDOR_LEAFLABS = 0x1eaf;
56 | public static final int LEAFLABS_MAPLE = 0x0004;
57 |
58 | public static final int VENDOR_SILABS = 0x10c4;
59 | public static final int SILABS_CP2102 = 0xea60;
60 | public static final int SILABS_CP2105 = 0xea70;
61 | public static final int SILABS_CP2108 = 0xea71;
62 | public static final int SILABS_CP2110 = 0xea80;
63 |
64 | public static final int VENDOR_PROLIFIC = 0x067b;
65 | public static final int PROLIFIC_PL2303 = 0x2303;
66 |
67 | private UsbId() {
68 | throw new IllegalAccessError("Non-instantiable class.");
69 | }
70 |
71 | }
72 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/UsbSerialDriver.java:
--------------------------------------------------------------------------------
1 | /* Copyright 2011-2013 Google Inc.
2 | * Copyright 2013 mike wakerly
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.driver;
23 |
24 | import android.hardware.usb.UsbDevice;
25 |
26 | import java.util.List;
27 |
28 | /**
29 | *
30 | * @author mike wakerly (opensource@hoho.com)
31 | */
32 | public interface UsbSerialDriver {
33 |
34 | /**
35 | * Returns the raw {@link UsbDevice} backing this port.
36 | *
37 | * @return the device
38 | */
39 | public UsbDevice getDevice();
40 |
41 | /**
42 | * Returns all available ports for this device. This list must have at least
43 | * one entry.
44 | *
45 | * @return the ports
46 | */
47 | public List getPorts();
48 | }
49 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/UsbSerialPort.java:
--------------------------------------------------------------------------------
1 | /* Copyright 2011-2013 Google Inc.
2 | * Copyright 2013 mike wakerly
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.driver;
23 |
24 | import android.hardware.usb.UsbDeviceConnection;
25 | import android.hardware.usb.UsbManager;
26 |
27 | import java.io.IOException;
28 |
29 | /**
30 | * Interface for a single serial port.
31 | *
32 | * @author mike wakerly (opensource@hoho.com)
33 | */
34 | public interface UsbSerialPort {
35 |
36 | /** 5 data bits. */
37 | public static final int DATABITS_5 = 5;
38 |
39 | /** 6 data bits. */
40 | public static final int DATABITS_6 = 6;
41 |
42 | /** 7 data bits. */
43 | public static final int DATABITS_7 = 7;
44 |
45 | /** 8 data bits. */
46 | public static final int DATABITS_8 = 8;
47 |
48 | /** No flow control. */
49 | public static final int FLOWCONTROL_NONE = 0;
50 |
51 | /** RTS/CTS input flow control. */
52 | public static final int FLOWCONTROL_RTSCTS_IN = 1;
53 |
54 | /** RTS/CTS output flow control. */
55 | public static final int FLOWCONTROL_RTSCTS_OUT = 2;
56 |
57 | /** XON/XOFF input flow control. */
58 | public static final int FLOWCONTROL_XONXOFF_IN = 4;
59 |
60 | /** XON/XOFF output flow control. */
61 | public static final int FLOWCONTROL_XONXOFF_OUT = 8;
62 |
63 | /** No parity. */
64 | public static final int PARITY_NONE = 0;
65 |
66 | /** Odd parity. */
67 | public static final int PARITY_ODD = 1;
68 |
69 | /** Even parity. */
70 | public static final int PARITY_EVEN = 2;
71 |
72 | /** Mark parity. */
73 | public static final int PARITY_MARK = 3;
74 |
75 | /** Space parity. */
76 | public static final int PARITY_SPACE = 4;
77 |
78 | /** 1 stop bit. */
79 | public static final int STOPBITS_1 = 1;
80 |
81 | /** 1.5 stop bits. */
82 | public static final int STOPBITS_1_5 = 3;
83 |
84 | /** 2 stop bits. */
85 | public static final int STOPBITS_2 = 2;
86 |
87 | public UsbSerialDriver getDriver();
88 |
89 | /**
90 | * Port number within driver.
91 | */
92 | public int getPortNumber();
93 |
94 | /**
95 | * The serial number of the underlying UsbDeviceConnection, or {@code null}.
96 | */
97 | public String getSerial();
98 |
99 | /**
100 | * Opens and initializes the port. Upon success, caller must ensure that
101 | * {@link #close()} is eventually called.
102 | *
103 | * @param connection an open device connection, acquired with
104 | * {@link UsbManager#openDevice(android.hardware.usb.UsbDevice)}
105 | * @throws IOException on error opening or initializing the port.
106 | */
107 | public void open(UsbDeviceConnection connection) throws IOException;
108 |
109 | /**
110 | * Closes the port.
111 | *
112 | * @throws IOException on error closing the port.
113 | */
114 | public void close() throws IOException;
115 |
116 | /**
117 | * Reads as many bytes as possible into the destination buffer.
118 | *
119 | * @param dest the destination byte buffer
120 | * @param timeoutMillis the timeout for reading
121 | * @return the actual number of bytes read
122 | * @throws IOException if an error occurred during reading
123 | */
124 | public int read(final byte[] dest, final int timeoutMillis) throws IOException;
125 |
126 | /**
127 | * Writes as many bytes as possible from the source buffer.
128 | *
129 | * @param src the source byte buffer
130 | * @param timeoutMillis the timeout for writing
131 | * @return the actual number of bytes written
132 | * @throws IOException if an error occurred during writing
133 | */
134 | public int write(final byte[] src, final int timeoutMillis) throws IOException;
135 |
136 | /**
137 | * Sets various serial port parameters.
138 | *
139 | * @param baudRate baud rate as an integer, for example {@code 115200}.
140 | * @param dataBits one of {@link #DATABITS_5}, {@link #DATABITS_6},
141 | * {@link #DATABITS_7}, or {@link #DATABITS_8}.
142 | * @param stopBits one of {@link #STOPBITS_1}, {@link #STOPBITS_1_5}, or
143 | * {@link #STOPBITS_2}.
144 | * @param parity one of {@link #PARITY_NONE}, {@link #PARITY_ODD},
145 | * {@link #PARITY_EVEN}, {@link #PARITY_MARK}, or
146 | * {@link #PARITY_SPACE}.
147 | * @throws IOException on error setting the port parameters
148 | */
149 | public void setParameters(
150 | int baudRate, int dataBits, int stopBits, int parity) throws IOException;
151 |
152 | /**
153 | * Gets the CD (Carrier Detect) bit from the underlying UART.
154 | *
155 | * @return the current state, or {@code false} if not supported.
156 | * @throws IOException if an error occurred during reading
157 | */
158 | public boolean getCD() throws IOException;
159 |
160 | /**
161 | * Gets the CTS (Clear To Send) bit from the underlying UART.
162 | *
163 | * @return the current state, or {@code false} if not supported.
164 | * @throws IOException if an error occurred during reading
165 | */
166 | public boolean getCTS() throws IOException;
167 |
168 | /**
169 | * Gets the DSR (Data Set Ready) bit from the underlying UART.
170 | *
171 | * @return the current state, or {@code false} if not supported.
172 | * @throws IOException if an error occurred during reading
173 | */
174 | public boolean getDSR() throws IOException;
175 |
176 | /**
177 | * Gets the DTR (Data Terminal Ready) bit from the underlying UART.
178 | *
179 | * @return the current state, or {@code false} if not supported.
180 | * @throws IOException if an error occurred during reading
181 | */
182 | public boolean getDTR() throws IOException;
183 |
184 | /**
185 | * Sets the DTR (Data Terminal Ready) bit on the underlying UART, if
186 | * supported.
187 | *
188 | * @param value the value to set
189 | * @throws IOException if an error occurred during writing
190 | */
191 | public void setDTR(boolean value) throws IOException;
192 |
193 | /**
194 | * Gets the RI (Ring Indicator) bit from the underlying UART.
195 | *
196 | * @return the current state, or {@code false} if not supported.
197 | * @throws IOException if an error occurred during reading
198 | */
199 | public boolean getRI() throws IOException;
200 |
201 | /**
202 | * Gets the RTS (Request To Send) bit from the underlying UART.
203 | *
204 | * @return the current state, or {@code false} if not supported.
205 | * @throws IOException if an error occurred during reading
206 | */
207 | public boolean getRTS() throws IOException;
208 |
209 | /**
210 | * Sets the RTS (Request To Send) bit on the underlying UART, if
211 | * supported.
212 | *
213 | * @param value the value to set
214 | * @throws IOException if an error occurred during writing
215 | */
216 | public void setRTS(boolean value) throws IOException;
217 |
218 | /**
219 | * Flush non-transmitted output data and / or non-read input data
220 | * @param flushRX {@code true} to flush non-transmitted output data
221 | * @param flushTX {@code true} to flush non-read input data
222 | * @return {@code true} if the operation was successful, or
223 | * {@code false} if the operation is not supported by the driver or device
224 | * @throws IOException if an error occurred during flush
225 | */
226 | public boolean purgeHwBuffers(boolean flushRX, boolean flushTX) throws IOException;
227 |
228 | }
229 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/UsbSerialProber.java:
--------------------------------------------------------------------------------
1 | /* Copyright 2011-2013 Google Inc.
2 | * Copyright 2013 mike wakerly
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.driver;
23 |
24 | import android.hardware.usb.UsbDevice;
25 | import android.hardware.usb.UsbManager;
26 |
27 | import java.lang.reflect.Constructor;
28 | import java.lang.reflect.InvocationTargetException;
29 | import java.util.ArrayList;
30 | import java.util.List;
31 |
32 | /**
33 | *
34 | * @author mike wakerly (opensource@hoho.com)
35 | */
36 | public class UsbSerialProber {
37 |
38 | private final ProbeTable mProbeTable;
39 |
40 | public UsbSerialProber(ProbeTable probeTable) {
41 | mProbeTable = probeTable;
42 | }
43 |
44 | public static UsbSerialProber getDefaultProber() {
45 | return new UsbSerialProber(getDefaultProbeTable());
46 | }
47 |
48 | public static ProbeTable getDefaultProbeTable() {
49 | final ProbeTable probeTable = new ProbeTable();
50 | probeTable.addDriver(CdcAcmSerialDriver.class);
51 | probeTable.addDriver(Cp21xxSerialDriver.class);
52 | probeTable.addDriver(FtdiSerialDriver.class);
53 | probeTable.addDriver(ProlificSerialDriver.class);
54 | return probeTable;
55 | }
56 |
57 | /**
58 | * Finds and builds all possible {@link UsbSerialDriver UsbSerialDrivers}
59 | * from the currently-attached {@link UsbDevice} hierarchy. This method does
60 | * not require permission from the Android USB system, since it does not
61 | * open any of the devices.
62 | *
63 | * @param usbManager
64 | * @return a list, possibly empty, of all compatible drivers
65 | */
66 | public List findAllDrivers(final UsbManager usbManager) {
67 | final List result = new ArrayList();
68 |
69 | for (final UsbDevice usbDevice : usbManager.getDeviceList().values()) {
70 | final UsbSerialDriver driver = probeDevice(usbDevice);
71 | if (driver != null) {
72 | result.add(driver);
73 | }
74 | }
75 | return result;
76 | }
77 |
78 | /**
79 | * Probes a single device for a compatible driver.
80 | *
81 | * @param usbDevice the usb device to probe
82 | * @return a new {@link UsbSerialDriver} compatible with this device, or
83 | * {@code null} if none available.
84 | */
85 | public UsbSerialDriver probeDevice(final UsbDevice usbDevice) {
86 | final int vendorId = usbDevice.getVendorId();
87 | final int productId = usbDevice.getProductId();
88 |
89 | final Class driverClass =
90 | mProbeTable.findDriver(vendorId, productId);
91 | if (driverClass != null) {
92 | final UsbSerialDriver driver;
93 | try {
94 | final Constructor ctor =
95 | driverClass.getConstructor(UsbDevice.class);
96 | driver = ctor.newInstance(usbDevice);
97 | } catch (NoSuchMethodException e) {
98 | throw new RuntimeException(e);
99 | } catch (IllegalArgumentException e) {
100 | throw new RuntimeException(e);
101 | } catch (InstantiationException e) {
102 | throw new RuntimeException(e);
103 | } catch (IllegalAccessException e) {
104 | throw new RuntimeException(e);
105 | } catch (InvocationTargetException e) {
106 | throw new RuntimeException(e);
107 | }
108 | return driver;
109 | }
110 | return null;
111 | }
112 |
113 | }
114 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/driver/UsbSerialRuntimeException.java:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright 2011 Google Inc.
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | */
19 |
20 | package com.hoho.android.usbserial.driver;
21 |
22 | /**
23 | * Generic unchecked exception for the usbserial package.
24 | *
25 | * @author mike wakerly (opensource@hoho.com)
26 | */
27 | @SuppressWarnings("serial")
28 | public class UsbSerialRuntimeException extends RuntimeException {
29 |
30 | public UsbSerialRuntimeException() {
31 | super();
32 | }
33 |
34 | public UsbSerialRuntimeException(String detailMessage, Throwable throwable) {
35 | super(detailMessage, throwable);
36 | }
37 |
38 | public UsbSerialRuntimeException(String detailMessage) {
39 | super(detailMessage);
40 | }
41 |
42 | public UsbSerialRuntimeException(Throwable throwable) {
43 | super(throwable);
44 | }
45 |
46 | }
47 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/util/HexDump.java:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2006 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License.
15 | */
16 |
17 | package com.hoho.android.usbserial.util;
18 |
19 | /**
20 | * Clone of Android's HexDump class, for use in debugging. Cosmetic changes
21 | * only.
22 | */
23 | public class HexDump {
24 | private final static char[] HEX_DIGITS = {
25 | '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
26 | };
27 |
28 | public static String dumpHexString(byte[] array) {
29 | return dumpHexString(array, 0, array.length);
30 | }
31 |
32 | public static String dumpHexString(byte[] array, int offset, int length) {
33 | StringBuilder result = new StringBuilder();
34 |
35 | byte[] line = new byte[16];
36 | int lineIndex = 0;
37 |
38 | result.append("\n0x");
39 | result.append(toHexString(offset));
40 |
41 | for (int i = offset; i < offset + length; i++) {
42 | if (lineIndex == 16) {
43 | result.append(" ");
44 |
45 | for (int j = 0; j < 16; j++) {
46 | if (line[j] > ' ' && line[j] < '~') {
47 | result.append(new String(line, j, 1));
48 | } else {
49 | result.append(".");
50 | }
51 | }
52 |
53 | result.append("\n0x");
54 | result.append(toHexString(i));
55 | lineIndex = 0;
56 | }
57 |
58 | byte b = array[i];
59 | result.append(" ");
60 | result.append(HEX_DIGITS[(b >>> 4) & 0x0F]);
61 | result.append(HEX_DIGITS[b & 0x0F]);
62 |
63 | line[lineIndex++] = b;
64 | }
65 |
66 | if (lineIndex != 16) {
67 | int count = (16 - lineIndex) * 3;
68 | count++;
69 | for (int i = 0; i < count; i++) {
70 | result.append(" ");
71 | }
72 |
73 | for (int i = 0; i < lineIndex; i++) {
74 | if (line[i] > ' ' && line[i] < '~') {
75 | result.append(new String(line, i, 1));
76 | } else {
77 | result.append(".");
78 | }
79 | }
80 | }
81 |
82 | return result.toString();
83 | }
84 |
85 | public static String toHexString(byte b) {
86 | return toHexString(toByteArray(b));
87 | }
88 |
89 | public static String toHexString(byte[] array) {
90 | return toHexString(array, 0, array.length);
91 | }
92 |
93 | public static String toHexString(byte[] array, int offset, int length) {
94 | char[] buf = new char[length * 2];
95 |
96 | int bufIndex = 0;
97 | for (int i = offset; i < offset + length; i++) {
98 | byte b = array[i];
99 | buf[bufIndex++] = HEX_DIGITS[(b >>> 4) & 0x0F];
100 | buf[bufIndex++] = HEX_DIGITS[b & 0x0F];
101 | }
102 |
103 | return new String(buf);
104 | }
105 |
106 | public static String toHexString(int i) {
107 | return toHexString(toByteArray(i));
108 | }
109 |
110 | public static String toHexString(short i) {
111 | return toHexString(toByteArray(i));
112 | }
113 |
114 | public static byte[] toByteArray(byte b) {
115 | byte[] array = new byte[1];
116 | array[0] = b;
117 | return array;
118 | }
119 |
120 | public static byte[] toByteArray(int i) {
121 | byte[] array = new byte[4];
122 |
123 | array[3] = (byte) (i & 0xFF);
124 | array[2] = (byte) ((i >> 8) & 0xFF);
125 | array[1] = (byte) ((i >> 16) & 0xFF);
126 | array[0] = (byte) ((i >> 24) & 0xFF);
127 |
128 | return array;
129 | }
130 |
131 | public static byte[] toByteArray(short i) {
132 | byte[] array = new byte[2];
133 |
134 | array[1] = (byte) (i & 0xFF);
135 | array[0] = (byte) ((i >> 8) & 0xFF);
136 |
137 | return array;
138 | }
139 |
140 | private static int toByte(char c) {
141 | if (c >= '0' && c <= '9')
142 | return (c - '0');
143 | if (c >= 'A' && c <= 'F')
144 | return (c - 'A' + 10);
145 | if (c >= 'a' && c <= 'f')
146 | return (c - 'a' + 10);
147 |
148 | throw new RuntimeException("Invalid hex char '" + c + "'");
149 | }
150 |
151 | public static byte[] hexStringToByteArray(String hexString) {
152 | int length = hexString.length();
153 | byte[] buffer = new byte[length / 2];
154 |
155 | for (int i = 0; i < length; i += 2) {
156 | buffer[i / 2] = (byte) ((toByte(hexString.charAt(i)) << 4) | toByte(hexString
157 | .charAt(i + 1)));
158 | }
159 |
160 | return buffer;
161 | }
162 | }
163 |
--------------------------------------------------------------------------------
/src/com/hoho/android/usbserial/util/SerialInputOutputManager.java:
--------------------------------------------------------------------------------
1 | /* Copyright 2011-2013 Google Inc.
2 | * Copyright 2013 mike wakerly
3 | *
4 | * This library is free software; you can redistribute it and/or
5 | * modify it under the terms of the GNU Lesser General Public
6 | * License as published by the Free Software Foundation; either
7 | * version 2.1 of the License, or (at your option) any later version.
8 | *
9 | * This library is distributed in the hope that it will be useful,
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 | * Lesser General Public License for more details.
13 | *
14 | * You should have received a copy of the GNU Lesser General Public
15 | * License along with this library; if not, write to the Free Software
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 | * USA.
18 | *
19 | * Project home page: https://github.com/mik3y/usb-serial-for-android
20 | */
21 |
22 | package com.hoho.android.usbserial.util;
23 |
24 | import android.hardware.usb.UsbRequest;
25 | import android.util.Log;
26 |
27 | import com.hoho.android.usbserial.driver.UsbSerialPort;
28 |
29 | import java.io.IOException;
30 | import java.nio.ByteBuffer;
31 |
32 | /**
33 | * Utility class which services a {@link UsbSerialPort} in its {@link #run()}
34 | * method.
35 | *
36 | * @author mike wakerly (opensource@hoho.com)
37 | */
38 | public class SerialInputOutputManager implements Runnable {
39 |
40 | private static final String TAG = SerialInputOutputManager.class.getSimpleName();
41 | private static final boolean DEBUG = true;
42 |
43 | private static final int READ_WAIT_MILLIS = 200;
44 | private static final int BUFSIZ = 4096;
45 |
46 | private final UsbSerialPort mDriver;
47 |
48 | private final ByteBuffer mReadBuffer = ByteBuffer.allocate(BUFSIZ);
49 |
50 | // Synchronized by 'mWriteBuffer'
51 | private final ByteBuffer mWriteBuffer = ByteBuffer.allocate(BUFSIZ);
52 |
53 | private enum State {
54 | STOPPED,
55 | RUNNING,
56 | STOPPING
57 | }
58 |
59 | // Synchronized by 'this'
60 | private State mState = State.STOPPED;
61 |
62 | // Synchronized by 'this'
63 | private Listener mListener;
64 |
65 | public interface Listener {
66 | /**
67 | * Called when new incoming data is available.
68 | */
69 | public void onNewData(byte[] data);
70 |
71 | /**
72 | * Called when {@link SerialInputOutputManager#run()} aborts due to an
73 | * error.
74 | */
75 | public void onRunError(Exception e);
76 | }
77 |
78 | /**
79 | * Creates a new instance with no listener.
80 | */
81 | public SerialInputOutputManager(UsbSerialPort driver) {
82 | this(driver, null);
83 | }
84 |
85 | /**
86 | * Creates a new instance with the provided listener.
87 | */
88 | public SerialInputOutputManager(UsbSerialPort driver, Listener listener) {
89 | mDriver = driver;
90 | mListener = listener;
91 | }
92 |
93 | public synchronized void setListener(Listener listener) {
94 | mListener = listener;
95 | }
96 |
97 | public synchronized Listener getListener() {
98 | return mListener;
99 | }
100 |
101 | public void writeAsync(byte[] data) {
102 | synchronized (mWriteBuffer) {
103 | mWriteBuffer.put(data);
104 | }
105 | }
106 |
107 | public synchronized void stop() {
108 | if (getState() == State.RUNNING) {
109 | Log.i(TAG, "Stop requested");
110 | mState = State.STOPPING;
111 | }
112 | }
113 |
114 | private synchronized State getState() {
115 | return mState;
116 | }
117 |
118 | /**
119 | * Continuously services the read and write buffers until {@link #stop()} is
120 | * called, or until a driver exception is raised.
121 | *
122 | * NOTE(mikey): Uses inefficient read/write-with-timeout.
123 | * TODO(mikey): Read asynchronously with {@link UsbRequest#queue(ByteBuffer, int)}
124 | */
125 | @Override
126 | public void run() {
127 | synchronized (this) {
128 | if (getState() != State.STOPPED) {
129 | throw new IllegalStateException("Already running.");
130 | }
131 | mState = State.RUNNING;
132 | }
133 |
134 | Log.i(TAG, "Running ..");
135 | try {
136 | while (true) {
137 | if (getState() != State.RUNNING) {
138 | Log.i(TAG, "Stopping mState=" + getState());
139 | break;
140 | }
141 | step();
142 | }
143 | } catch (Exception e) {
144 | Log.w(TAG, "Run ending due to exception: " + e.getMessage(), e);
145 | final Listener listener = getListener();
146 | if (listener != null) {
147 | listener.onRunError(e);
148 | }
149 | } finally {
150 | synchronized (this) {
151 | mState = State.STOPPED;
152 | Log.i(TAG, "Stopped.");
153 | }
154 | }
155 | }
156 |
157 | private void step() throws IOException {
158 | // Handle incoming data.
159 | int len = mDriver.read(mReadBuffer.array(), READ_WAIT_MILLIS);
160 | if (len > 0) {
161 | if (DEBUG) Log.d(TAG, "Read data len=" + len);
162 | final Listener listener = getListener();
163 | if (listener != null) {
164 | final byte[] data = new byte[len];
165 | mReadBuffer.get(data, 0, len);
166 | listener.onNewData(data);
167 | }
168 | mReadBuffer.clear();
169 | }
170 |
171 | // Handle outgoing data.
172 | byte[] outBuff = null;
173 | synchronized (mWriteBuffer) {
174 | len = mWriteBuffer.position();
175 | if (len > 0) {
176 | outBuff = new byte[len];
177 | mWriteBuffer.rewind();
178 | mWriteBuffer.get(outBuff, 0, len);
179 | mWriteBuffer.clear();
180 | }
181 | }
182 | if (outBuff != null) {
183 | if (DEBUG) {
184 | Log.d(TAG, "Writing data len=" + len);
185 | }
186 | mDriver.write(outBuff, READ_WAIT_MILLIS);
187 | }
188 | }
189 |
190 | }
191 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/SdrSerialDriver.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android;
2 |
3 | import java.io.IOException;
4 | import java.util.Collections;
5 | import java.util.LinkedHashMap;
6 | import java.util.List;
7 | import java.util.Map;
8 |
9 | import android.hardware.usb.UsbDevice;
10 | import android.hardware.usb.UsbDeviceConnection;
11 |
12 | import com.hoho.android.usbserial.driver.CommonUsbSerialPort;
13 | import com.hoho.android.usbserial.driver.UsbSerialDriver;
14 | import com.hoho.android.usbserial.driver.UsbSerialPort;
15 |
16 | public class SdrSerialDriver implements UsbSerialDriver {
17 |
18 | private class SdrSerialPort extends CommonUsbSerialPort {
19 |
20 | public SdrSerialPort(UsbDevice device, int portNumber) {
21 | super(device, portNumber);
22 | }
23 |
24 | @Override
25 | public void close() throws IOException {
26 | }
27 |
28 | @Override
29 | public boolean getCD() throws IOException {
30 | return false;
31 | }
32 |
33 | @Override
34 | public boolean getCTS() throws IOException {
35 | return false;
36 | }
37 |
38 | @Override
39 | public UsbSerialDriver getDriver() {
40 | return null;
41 | }
42 |
43 | @Override
44 | public boolean getDSR() throws IOException {
45 | return false;
46 | }
47 |
48 | @Override
49 | public boolean getDTR() throws IOException {
50 | return false;
51 | }
52 |
53 | @Override
54 | public boolean getRI() throws IOException {
55 | return false;
56 | }
57 |
58 | @Override
59 | public boolean getRTS() throws IOException {
60 | return false;
61 | }
62 |
63 | @Override
64 | public void open(UsbDeviceConnection connection) throws IOException {
65 | }
66 |
67 | @Override
68 | public int read(byte[] dest, int timeoutMillis) throws IOException {
69 | return 0;
70 | }
71 |
72 | @Override
73 | public void setDTR(boolean value) throws IOException {
74 | }
75 |
76 | @Override
77 | public void setParameters(int baudRate, int dataBits, int stopBits,
78 | int parity) throws IOException {
79 | }
80 |
81 | @Override
82 | public void setRTS(boolean value) throws IOException {
83 | }
84 |
85 | @Override
86 | public int write(byte[] src, int timeoutMillis) throws IOException {
87 | return 0;
88 | }
89 | }
90 |
91 | public static Map getSupportedDevices() {
92 | final Map supportedDevices = new LinkedHashMap();
93 |
94 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_KYE),
95 | new int[] { SdrUsbId.KYE_RTL2832_707F });
96 |
97 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_RTL), new int[] {
98 | SdrUsbId.RTL_RTL2832, SdrUsbId.RTL_RTL2838 });
99 |
100 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_TERRATEC),
101 | new int[] { SdrUsbId.TERRATEC_RTL2838_A9,
102 | SdrUsbId.TERRATEC_RTL2838_B3,
103 | SdrUsbId.TERRATEC_RTL2838_B4,
104 | SdrUsbId.TERRATEC_RTL2838_B7,
105 | SdrUsbId.TERRATEC_RTL2838_C6,
106 | SdrUsbId.TERRATEC_RTL2838_D3,
107 | SdrUsbId.TERRATEC_RTL2838_D7,
108 | SdrUsbId.TERRATEC_RTL2838_E0 });
109 |
110 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_COMPRO),
111 | new int[] { SdrUsbId.COMPRO_620, SdrUsbId.COMPRO_650,
112 | SdrUsbId.COMPRO_680 });
113 |
114 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_AFATECH),
115 | new int[] { SdrUsbId.AFATECH_RTL2838_D393,
116 | SdrUsbId.AFATECH_RTL2838_D394,
117 | SdrUsbId.AFATECH_RTL2838_D395,
118 | SdrUsbId.AFATECH_RTL2838_D395,
119 | SdrUsbId.AFATECH_RTL2838_D396,
120 | SdrUsbId.AFATECH_RTL2838_D397,
121 | SdrUsbId.AFATECH_RTL2838_D398,
122 | SdrUsbId.AFATECH_RTL2838_D39D,
123 | SdrUsbId.AFATECH_RTL2838_D3A4 });
124 |
125 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_DEXATEC),
126 | new int[] { SdrUsbId.DEXATEC_1101, SdrUsbId.DEXATEC_1102,
127 | SdrUsbId.DEXATEC_1103 });
128 |
129 | supportedDevices.put(Integer.valueOf(SdrUsbId.VENDOR_GTEK), new int[] {
130 | SdrUsbId.GTEK_RTL2838_B803, SdrUsbId.GTEK_RTL2838_C803,
131 | SdrUsbId.GTEK_RTL2838_D286, SdrUsbId.GTEK_RTL2838_D803 });
132 |
133 | return supportedDevices;
134 | }
135 |
136 | private final UsbDevice mDevice;
137 |
138 | private final UsbSerialPort mPort;
139 |
140 | public SdrSerialDriver(UsbDevice device) {
141 | mDevice = device;
142 | mPort = new SdrSerialPort(mDevice, 0);
143 | }
144 |
145 | @Override
146 | public UsbDevice getDevice() {
147 | return mDevice;
148 | }
149 |
150 | @Override
151 | public List getPorts() {
152 | return Collections.singletonList(mPort);
153 | }
154 | }
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/SdrSerialDriverOrig.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android;
2 |
3 | import java.io.IOException;
4 | import java.util.LinkedHashMap;
5 | import java.util.Map;
6 |
7 | //import android.hardware.usb.UsbConstants;
8 | import android.hardware.usb.UsbConstants;
9 | import android.hardware.usb.UsbDevice;
10 | import android.hardware.usb.UsbDeviceConnection;
11 | import android.hardware.usb.UsbEndpoint;
12 | import android.hardware.usb.UsbInterface;
13 | import android.util.Log;
14 |
15 | import com.hoho.android.usbserial.driver.CommonUsbSerialDriver;
16 | import com.hoho.android.usbserial.driver.UsbId;
17 | import com.rtlsdr.android.tuners.E4K;
18 | import com.rtlsdr.android.tuners.FC0012;
19 | import com.rtlsdr.android.tuners.FC0013;
20 | import com.rtlsdr.android.tuners.FC2580;
21 | import com.rtlsdr.android.tuners.IRtlSdrTuner;
22 | import com.rtlsdr.android.tuners.R820T;
23 |
24 | public class SdrSerialDriverOrig extends CommonUsbSerialDriver {
25 | private static final String TAG = SdrSerialDriverOrig.class.getSimpleName();
26 | static IRtlSdrTuner myTuner = null;
27 | boolean set_gain_mode = true;
28 | /*
29 | * private static final int DEFAULT_BAUD_RATE = 9600;
30 | *
31 | * private static final int DEFAULT_BUF_LENGTH = 512;//(16 * 16384); private
32 | * static final char MESSAGEGO = 253; private static final char OVERWRITE =
33 | * 254; private static final char BADSAMPLE = 255;
34 | */
35 | private final int MODES_DEFAULT_RATE = 2000000;
36 | private final int MODES_DEFAULT_FREQ = 1090000000;
37 | private final int MODES_AUTO_GAIN = -100; /* Use automatic gain. */
38 | private final int MODES_MAX_GAIN = 999999; /* Use max available gain. */
39 | // /private final long ADSB_FREQ = 1090000000;
40 | // private final int AUTO_GAIN = -100;
41 | // private final long ADSB_RATE = 2000000;
42 | private int gain = MODES_MAX_GAIN;// AUTO_GAIN;
43 | private boolean enable_agc = false;
44 | private long freq = MODES_DEFAULT_FREQ;
45 | // Buffersizes
46 | // private static final int MODES_PREAMBLE_US = 8;
47 | // private static final int MODES_LONG_MSG_BITS =112;
48 | // private static final int MODES_FULL_LEN
49 | // =(MODES_PREAMBLE_US+MODES_LONG_MSG_BITS);
50 | // private static final int MODES_DATA_LEN = (16*16384); /* 256k */
51 | // private static final int BUFSIZ = MODES_DATA_LEN + (MODES_FULL_LEN-1)*4;
52 |
53 | // private byte [] input = new byte[BUFSIZ];
54 | // private static char[] mag = new char[BUFSIZ *2];
55 |
56 | // private int [] adsb_frame = new int[14];
57 | // private final int preamble_len = 16;
58 | // private final int long_frame = 112;
59 | // private final int char_frame = 56;
60 | // private double quality = 1.0;
61 | // private int allowed_errors = 5;
62 |
63 | private static final int USB_WRITE_TIMEOUT_MILLIS = 5000;// was 5000
64 |
65 | /*
66 | * Configuration Request Types
67 | */
68 | private static final int REQTYPE_HOST_TO_DEVICE = 0x41;
69 | // private static final int REQTYPE_DEVICE_TO_HOST = 0x80;
70 |
71 | /** In: device-to-host */
72 | private static final int LIBUSB_ENDPOINT_IN = 0x80;
73 |
74 | /** Out: host-to-device */
75 | private static final int LIBUSB_ENDPOINT_OUT = 0x00;
76 |
77 | /** Standard */
78 | // private static final int LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5);
79 |
80 | /** Class */
81 | // private static final int LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5);
82 |
83 | /** Vendor */
84 | private static final int LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5);
85 |
86 | /** Reserved */
87 | // private static final int LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5);
88 |
89 | private static final byte CTRL_IN = (byte) (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_IN);
90 | private static final byte CTRL_OUT = (byte) (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT);
91 |
92 | // private static final int DEFAULT_SAMPLE_RATE = 2048000;
93 | // private static final int DEFAULT_ASYNC_BUF_NUMBER = 32;
94 | // private static final int DEFAULT_BUF_LENGTH = (16 * 16384);
95 | // private static final int MINIMAL_BUF_LENGTH = 512;
96 | // static final int MAXIMAL_BUF_LENGTH = (256 * 16384);
97 |
98 | // private static final int DEFAULT_BUF_NUMBER = 32;
99 | // private static final int DEFAULT_BUF_LENGTH = (16 * 32 * 512);
100 |
101 | private static final int DEF_RTL_XTAL_FREQ = 28800000;
102 | private static final int MIN_RTL_XTAL_FREQ = (DEF_RTL_XTAL_FREQ - 1000);
103 | private static final int MAX_RTL_XTAL_FREQ = (DEF_RTL_XTAL_FREQ + 1000);
104 |
105 | private static final int MAX_SAMP_RATE = 3200000;
106 |
107 | // private static final int CTRL_TIMEOUT = 300;
108 | private static final int BULK_TIMEOUT = 0;
109 | private static final char EEPROM_ADDR = 0xa0;
110 |
111 | private static final char USB_SYSCTL = 0x2000;
112 | // private static final char USB_CTRL = 0x2010;
113 | // private static final char USB_STAT = 0x2014;
114 | // private static final char USB_EPA_CFG = 0x2144;
115 | private static final char USB_EPA_CTL = 0x2148;
116 | private static final char USB_EPA_MAXPKT = 0x2158;
117 | // private static final char USB_EPA_MAXPKT_2 = 0x215a;
118 | // private static final char USB_EPA_FIFO_CFG = 0x2160;
119 |
120 | private static final char DEMOD_CTL = 0x3000;
121 | private static final char GPO = 0x3001;
122 | // private static final char GPI = 0x3002;
123 | private static final char GPOE = 0x3003;
124 | private static final char GPD = 0x3004;
125 | // private static final char SYSINTE = 0x3005;
126 | // private static final char SYSINTS = 0x3006;
127 | // private static final char GP_CFG0 = 0x3007;
128 | // private static final char GP_CFG1 = 0x3008;
129 | // private static final char SYSINTE_1 = 0x3009;
130 | // private static final char SYSINTS_1 = 0x300a;
131 | private static final char DEMOD_CTL_1 = 0x300b;
132 | // private static final char IR_SUSPEND = 0x300c;
133 |
134 | // private static final byte DEMODB = 0;
135 | private static final byte USBB = 1;
136 | private static final byte SYSB = 2;
137 | // private static final byte TUNB = 3;
138 | // private static final byte ROMB = 4;
139 | // private static final byte IRB = 5;
140 | private static final byte IICB = 6;
141 |
142 | /*
143 | * Configuration Request Codes
144 | */
145 | // private static final int SILABSER_IFC_ENABLE_REQUEST_CODE = 0x00;
146 | // private static final int SILABSER_SET_BAUDDIV_REQUEST_CODE = 0x01;
147 | // private static final int SILABSER_SET_LINE_CTL_REQUEST_CODE = 0x03;
148 | // private static final int SILABSER_SET_MHS_REQUEST_CODE = 0x07;
149 | // private static final int SILABSER_SET_BAUDRATE = 0x1E;
150 |
151 | /*
152 | * SILABSER_IFC_ENABLE_REQUEST_CODE
153 | */
154 | // private static final int UART_ENABLE = 0x0001;
155 | // private static final int UART_DISABLE = 0x0000;
156 |
157 | /*
158 | * SILABSER_SET_BAUDDIV_REQUEST_CODE
159 | */
160 | // private static final int BAUD_RATE_GEN_FREQ = 0x384000;
161 |
162 | private static final int E4K_I2C_ADDR = 0xc8;
163 | private static final int E4K_CHECK_ADDR = 0x02;
164 | private static final int E4K_CHECK_VAL = 0x40;
165 |
166 | private static final int FC0013_I2C_ADDR = 0xc6;
167 | private static final int FC0013_CHECK_ADDR = 0x00;
168 | private static final int FC0013_CHECK_VAL = 0xa3;
169 |
170 | private static final int R820T_I2C_ADDR = 0x34;
171 | private static final int R828D_I2C_ADDR = 0x74;
172 | private static final int R820T_CHECK_ADDR = 0x00;
173 | private static final int R820T_CHECK_VAL = 0x69;
174 |
175 | private static final int FC2580_I2C_ADDR = 0xac;
176 | private static final int FC2580_CHECK_ADDR = 0x01;
177 | private static final int FC2580_CHECK_VAL = 0x56;
178 |
179 | private static final int FC0012_I2C_ADDR = 0xc6;
180 | private static final int FC0012_CHECK_ADDR = 0x00;
181 | private static final int FC0012_CHECK_VAL = 0xa1;
182 |
183 | /*
184 | * SILABSER_SET_MHS_REQUEST_CODE
185 | */
186 | // private static final int MCR_DTR = 0x0001;
187 | // private static final int MCR_RTS = 0x0002;
188 | // private static final int MCR_ALL = 0x0003;
189 |
190 | // private static final int CONTROL_WRITE_DTR = 0x0100;
191 | // private static final int CONTROL_WRITE_RTS = 0x0200;
192 |
193 | // private static final int TIMEOUT = 500;
194 | // private static final byte i2c_addr = 0; //FIXME
195 | // private static final long[] null = null;
196 | private static final int RTLSDR_TUNER_UNKNOWN = 0;
197 | private static final int RTLSDR_TUNER_E4000 = 1;
198 | private static final int RTLSDR_TUNER_FC0012 = 2;
199 | private static final int RTLSDR_TUNER_FC0013 = 3;
200 | private static final int RTLSDR_TUNER_FC2580 = 4;
201 | private static final int RTLSDR_TUNER_R820T = 5;
202 | private static final int RTLSDR_TUNER_R828D = 6;
203 | private static final long R820T_IF_FREQ = 3570000;
204 | // private static final String RTLSDR_INACTIVE = null;
205 |
206 | private UsbEndpoint mReadEndpoint;
207 | private boolean tuner = false;
208 | private boolean tuner_exit = false;
209 | private static long rtl_xtal = DEF_RTL_XTAL_FREQ;
210 | private long rate = MAX_SAMP_RATE;
211 | private static long tun_xtal = DEF_RTL_XTAL_FREQ;
212 | // private long freq=DEF_RTL_XTAL_FREQ;
213 | private static int corr = 0;
214 | // private Object e4k_s;
215 | private boolean direct_sampling = false;
216 | private long offs_freq = 0;
217 | private int tuner_type = 0;
218 |
219 | private int ppm_error = 0;
220 | private boolean tuner_set_gain = true;
221 | // private boolean tuner_set_if_gain=false;
222 | // private boolean tuner_set_gain_mode=false;
223 | private boolean tuner_set_bw = true;
224 | private boolean tuner_init = false;
225 | int erro_count = 0;
226 |
227 | // AdsbParse adsb;
228 | public SdrSerialDriverOrig(UsbDevice device, UsbDeviceConnection connection) {
229 | super(device, connection);
230 | }
231 |
232 | private int setConfigSingle(int request, int value) {
233 | return mConnection.controlTransfer(REQTYPE_HOST_TO_DEVICE, request,
234 | value, 0, null, 0, USB_WRITE_TIMEOUT_MILLIS);
235 | }
236 |
237 | @Override
238 | public void open() throws IOException {
239 | // inteface 0 has 1 bulktransfer read endpoint
240 | boolean opened = false;
241 | try {
242 | for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
243 | UsbInterface usbIface = mDevice.getInterface(i);
244 | if (mConnection.claimInterface(usbIface, true)) {
245 | Log.e(TAG, "claimInterface " + i + " SUCCESS");
246 | } else {
247 | Log.e(TAG, "claimInterface " + i + " FAIL");
248 | }
249 | }
250 | int count = mDevice.getInterfaceCount();
251 | for (int i = 0; i < count; i++) {
252 | UsbInterface intf = mDevice.getInterface(i);
253 | if (intf != null) {
254 | Log.e(TAG,
255 | "intf.getInterfaceClass()=" + i + " "
256 | + intf.getInterfaceClass()
257 | + " intf.getInterfaceSubclass()=" + i + " "
258 | + intf.getInterfaceSubclass()
259 | + " intf.getInterfaceProtocol()=" + i + " "
260 | + intf.getInterfaceProtocol());
261 | Log.e(TAG,
262 | "dataIface.getEndpointCount " + i + " "
263 | + intf.getEndpointCount());
264 | }
265 | int getEndpointCount = intf.getEndpointCount();
266 | for (int j = 0; j < getEndpointCount; j++) {
267 | UsbEndpoint ep = intf.getEndpoint(j);
268 | Log.e(TAG,
269 | "found endpoint getEndpointNumber= "
270 | + ep.getEndpointNumber());
271 | Log.e(TAG, "found endpoint type= " + ep.getType());
272 | Log.e(TAG,
273 | "found endpoint getDirection= " + ep.getDirection());
274 | Log.e(TAG,
275 | "found endpoint getMaxPacketSize= "
276 | + ep.getMaxPacketSize());
277 |
278 | if (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
279 | if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
280 | mReadEndpoint = ep;
281 | Log.e(TAG, "found READ USB_ENDPOINT_XFER_BULK");
282 | } else {
283 | Log.e(TAG,
284 | "found WRITE USB_DIR_OUT->USB_ENDPOINT_XFER_BULK");
285 | }
286 | }
287 | }
288 | opened = true;
289 |
290 | }
291 | // if(myTuner == null)
292 | myTuner = rtlsdr_detect();
293 | if (myTuner != null) {
294 |
295 | StartDevice();
296 |
297 | }
298 | } finally {
299 | if (!opened) {
300 | close();
301 | }
302 | }
303 | }
304 |
305 | @Override
306 | public void close() throws IOException {
307 | rtlsdr_deinit_baseband();
308 |
309 | if (myTuner != null)
310 | myTuner.exit(0);
311 | mConnection.close();
312 | }
313 |
314 | @Override
315 | public int read(byte[] dest, int timeoutMillis) throws IOException {
316 | final int totalBytesRead;
317 |
318 | synchronized (mReadBufferLock) {
319 | int readAmt = Math.min(dest.length, mReadBuffer.length);
320 | totalBytesRead = mConnection.bulkTransfer(mReadEndpoint,
321 | mReadBuffer, readAmt, timeoutMillis * 1000);
322 | // if (totalBytesRead < MODEM_STATUS_HEADER_LENGTH) {
323 | // throw new IOException("Expected at least " +
324 | // MODEM_STATUS_HEADER_LENGTH + " bytes");
325 | // }
326 | if (totalBytesRead < 0) {
327 | Log.e(TAG, " mConnection.bulkTransfer ERROR totalBytesRead="
328 | + totalBytesRead);
329 |
330 | } else {
331 | System.arraycopy(mReadBuffer, 0, dest, 0, totalBytesRead);
332 | }
333 | return totalBytesRead;
334 | }
335 |
336 | }
337 |
338 | @Override
339 | public int write(byte[] src, int timeoutMillis) throws IOException {
340 |
341 | Log.e(TAG, "Writes not support yet writeLength= " + src.length);
342 |
343 | return src.length;
344 | }
345 |
346 | private void StartDevice() {
347 | /* Set gain, frequency, sample rate, and reset the device. */
348 |
349 | rtlsdr_set_tuner_gain_mode((gain == MODES_AUTO_GAIN) ? false : true);
350 | if (gain != MODES_AUTO_GAIN) {
351 | if (gain == MODES_MAX_GAIN) {
352 | /* Find the maximum gain available. */
353 | int numgains;
354 | int[] gains = new int[100];
355 |
356 | numgains = rtlsdr_get_tuner_gains(gains);
357 | gain = gains[numgains - 1];
358 | Log.e(TAG,
359 | "Max available gain is: "
360 | + String.format("%.2f", gain / 10.0));
361 | }
362 | rtlsdr_set_tuner_gain(gain);
363 | Log.e(TAG, "Setting gain to: " + String.format("%.2f", gain / 10.0));
364 | } else {
365 | Log.e(TAG, "Using automatic gain control.\n");
366 | }
367 | rtlsdr_set_freq_correction(ppm_error);
368 | if (enable_agc)
369 | rtlsdr_set_agc_mode(true);
370 | rtlsdr_set_center_freq(this.freq);
371 | // rtlsdr_set_tuner_gain_mode(true);//true == AGC
372 | rtlsdr_set_sample_rate(MODES_DEFAULT_RATE);
373 | rtlsdr_reset_buffer();
374 | Log.e(TAG,
375 | "Gain reported by device: "
376 | + String.format("%.2f", rtlsdr_get_tuner_gain() / 10.0));
377 | return;
378 | }
379 |
380 | public static Map getSupportedDevices() {
381 | final Map supportedDevices = new LinkedHashMap();
382 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_SDR), new int[] {
383 | UsbId.SDR_SDR2838, UsbId.SDR_SDR2832 });
384 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_TERRACTEC),
385 | new int[] { UsbId.TER_00A9, UsbId.TER_00B3, UsbId.TER_00B4,
386 | UsbId.TER_00B5, UsbId.TER_00B7, UsbId.TER_00B8,
387 | UsbId.TER_00B9, UsbId.TER_00C0, UsbId.TER_00C6,
388 | UsbId.TER_00D3, UsbId.TER_00D7, UsbId.TER_00E0 });
389 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_SDR2), new int[] {
390 | UsbId.SDR2_SDR169, UsbId.SDR2_SDR179, UsbId.SDR2_SDR180,
391 | UsbId.SDR2_SDR183, UsbId.SDR2_SDR198, UsbId.SDR2_SDR211,
392 | UsbId.SDR2_SDR215, UsbId.SDR2_SDR224 });
393 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_SDR3), new int[] {
394 | UsbId.SDR3_SDR1568, UsbId.SDR3_SDR1616, UsbId.SDR3_SDR1664 });
395 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_SDR4), new int[] {
396 | UsbId.SDR4_SDR47107, UsbId.SDR4_SDR51203, UsbId.SDR4_SDR53894,
397 | UsbId.SDR4_SDR55299 });
398 | supportedDevices
399 | .put(Integer.valueOf(UsbId.VENDOR_SDR5), new int[] {
400 | UsbId.SDR5_SDR54163, UsbId.SDR5_SDR54164,
401 | UsbId.SDR5_SDR54165, UsbId.SDR5_SDR54168,
402 | UsbId.SDR5_SDR54173, UsbId.SDR5_SDR54180 });
403 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_SDR6),
404 | new int[] { UsbId.SDR6_SDR28799 });
405 | supportedDevices.put(Integer.valueOf(UsbId.VENDOR_SDR7), new int[] {
406 | UsbId.SDR7_SDR4353, UsbId.SDR7_SDR4354, UsbId.SDR7_SDR4355 });
407 | return supportedDevices;
408 | }
409 |
410 | private static int libusb_control_transfer(byte requestType, byte request,
411 | char value, char index, byte[] buffer, char length, int timeout) {
412 | return mConnection.controlTransfer(requestType, request, value, index,
413 | buffer, length, timeout);
414 | }
415 |
416 | private static int rtlsdr_read_array(byte iicb2, char addr, byte[] data,
417 | byte len) {
418 | int r;
419 | char index = (char) (iicb2 << 8);
420 |
421 | r = libusb_control_transfer(CTRL_IN, (byte) 0, addr, index, data,
422 | (char) len, USB_WRITE_TIMEOUT_MILLIS);
423 |
424 | if (r < 0) {
425 | Log.e("rtlsdr_read_array", " error" + len);
426 | Log.e("rtlsdr_read_array",
427 | "addr 0x" + Integer.toHexString((int) addr) + " index 0x"
428 | + Integer.toHexString((int) index) + " array "
429 | + data[0] + " len " + len);
430 | }
431 | return r;
432 | }
433 |
434 | private static int rtlsdr_write_array(byte iicb2, char addr, byte[] array,
435 | byte len) {
436 | int r;
437 | char index = (char) ((iicb2 << 8) | 0x10);
438 |
439 | r = libusb_control_transfer(CTRL_OUT, (byte) 0, addr, index, array,
440 | (char) len, USB_WRITE_TIMEOUT_MILLIS);
441 |
442 | if (r < 0) {
443 | Log.e("rtlsdr_write_array",
444 | "addr 0x" + Integer.toHexString((int) addr) + " index 0x"
445 | + Integer.toHexString((int) index) + " array "
446 | + array[0] + " len " + len);
447 | Log.e("rtlsdr_write_array", " error byte count " + len);
448 | }
449 | return r;
450 | }
451 |
452 | public static int rtlsdr_i2c_write_reg(byte i2c_addr, char reg, char val) {
453 | char addr = (char) i2c_addr;
454 | byte[] data = new byte[2];
455 |
456 | data[0] = (byte) reg;
457 | data[1] = (byte) val;
458 | return rtlsdr_write_array(IICB, addr, data, (byte) 2);
459 | }
460 |
461 | public static byte rtlsdr_i2c_read_reg(int e4kI2cAddr, int e4kCheckAddr) {
462 | char addr = (char) e4kI2cAddr;
463 | byte[] data = new byte[2];
464 | byte[] out = new byte[2];
465 | out[0] = (byte) e4kCheckAddr;
466 | rtlsdr_write_array(IICB, addr, out, (byte) 1);
467 | rtlsdr_read_array(IICB, addr, data, (byte) 1);
468 |
469 | return data[0];
470 | }
471 |
472 | public static int rtlsdr_get_tuner_clock() {
473 | long[] tuner_freq = new long[1];
474 | long[] xtal_freq = new long[1];
475 | /* read corrected clock value */
476 | if (rtlsdr_get_xtal_freq(xtal_freq, tuner_freq) < 0)
477 | return 0;
478 |
479 | return (int) tuner_freq[0];
480 | }
481 |
482 | private static int rtlsdr_i2c_write(byte i2c_addr, byte[] buffer, byte len) {
483 | byte addr = i2c_addr;
484 |
485 | return rtlsdr_write_array(IICB, (char) addr, buffer, len);
486 | }
487 |
488 | private static int rtlsdr_i2c_read(byte i2c_addr, byte[] buffer, byte len) {
489 | byte addr = i2c_addr;
490 |
491 | return rtlsdr_read_array(IICB, (char) addr, buffer, (byte) len);
492 | }
493 |
494 | private char rtlsdr_read_reg(byte block, char addr, byte len) {
495 | int r = 0;
496 | byte[] data = new byte[2];
497 | char index = (char) (block << 8);
498 | char reg;
499 |
500 | r = libusb_control_transfer(CTRL_IN, (byte) 0, addr, index, data,
501 | (char) len, USB_WRITE_TIMEOUT_MILLIS);
502 |
503 | if (r < 0)
504 | Log.e(TAG, "rtlsdr_read_reg failed " + r);
505 |
506 | reg = (char) ((data[1] << 8) | data[0]);
507 |
508 | return reg;
509 | }
510 |
511 | private int rtlsdr_write_reg(byte block, char addr, char val, byte len) {
512 | int r = 0;
513 | byte[] data = new byte[2];
514 |
515 | char index = (char) ((block << 8) | 0x10);
516 |
517 | if (len == 1)
518 | data[0] = (byte) (val & 0xff);
519 | else
520 | data[0] = (byte) (val >> 8);
521 |
522 | data[1] = (byte) (val & 0xff);
523 |
524 | r = libusb_control_transfer(CTRL_OUT, (byte) 0, addr, index, data,
525 | (char) len, USB_WRITE_TIMEOUT_MILLIS);
526 |
527 | if (r < 0) {
528 | Log.e("rtlsdr_write_reg", "block " + block + " addr " + " val "
529 | + " len " + len);
530 | Log.e("rtlsdr_write_reg", "Line "
531 | + Thread.currentThread().getStackTrace()[2].getLineNumber());
532 | }
533 | return r;
534 | }
535 |
536 | private char rtlsdr_demod_read_reg(byte page, char addr, byte len) {
537 | int r;
538 | byte[] data = new byte[2];
539 |
540 | char index = (char) page;
541 | char reg;
542 | addr = (char) ((addr << 8) | 0x20);
543 |
544 | r = libusb_control_transfer(CTRL_IN, (byte) 0, addr, index, data,
545 | (char) len, USB_WRITE_TIMEOUT_MILLIS);
546 |
547 | if (r < 0) {
548 | Log.e(TAG, "rtlsdr_demod_read_reg error " + r);
549 | Log.e(TAG,
550 | " addr " + Integer.toHexString((int) addr) + " index "
551 | + Integer.toHexString((int) index) + " data[0] "
552 | + Integer.toHexString((int) data[0]) + " data[1] "
553 | + Integer.toHexString((int) data[1]) + " len "
554 | + Integer.toHexString((int) len));
555 | }
556 | reg = (char) ((data[1] << 8) | data[0]);
557 |
558 | return ((char) r);
559 | }
560 |
561 | private int rtlsdr_demod_write_reg(byte page, char addr, char val, byte len) {
562 | int r;
563 | byte[] data = new byte[2];
564 | char index = (char) (0x10 | page);
565 | addr = (char) ((addr << 8) | 0x20);
566 |
567 | if (len == 1)
568 | data[0] = (byte) (val & 0xff);
569 | else
570 | data[0] = (byte) (val >> 8);
571 |
572 | data[1] = (byte) (val & 0xff);
573 |
574 | r = libusb_control_transfer(CTRL_OUT, (byte) 0, addr, index, data,
575 | (char) len, USB_WRITE_TIMEOUT_MILLIS);
576 |
577 | if (r < 0) {
578 | Log.e(TAG, "rtlsdr_demod_write_reg failed " + r);
579 | Log.e(TAG,
580 | " addr " + Integer.toHexString((int) addr) + " index "
581 | + Integer.toHexString((int) index) + " data[0] "
582 | + Integer.toHexString((int) data[0]) + " data[1] "
583 | + Integer.toHexString((int) data[1]) + " len "
584 | + Integer.toHexString((int) len));
585 | }
586 | rtlsdr_demod_read_reg((byte) 0x0a, (char) 0x01, (byte) 1);
587 |
588 | return (r == len) ? len : -1;
589 | }
590 |
591 | private void rtlsdr_set_gpio_bit(byte gpio, boolean val) {
592 | int r;
593 |
594 | gpio = (byte) (1 << gpio);
595 | r = rtlsdr_read_reg(SYSB, GPO, (byte) 1);
596 | r = (val ? (r | gpio) : (r & ~gpio));
597 | rtlsdr_write_reg(SYSB, GPO, (char) r, (byte) 1);
598 | }
599 |
600 | private void rtlsdr_set_gpio_output(byte gpio) {
601 | int r;
602 | gpio = (byte) (1 << gpio);
603 |
604 | r = rtlsdr_read_reg(SYSB, GPD, (byte) 1);
605 | rtlsdr_write_reg(SYSB, GPO, (char) (r & ~gpio), (byte) 1);
606 | r = rtlsdr_read_reg(SYSB, GPOE, (byte) 1);
607 | rtlsdr_write_reg(SYSB, GPOE, (char) (r | gpio), (byte) 1);
608 | }
609 |
610 | private void rtlsdr_set_i2c_repeater(boolean on) {
611 | rtlsdr_demod_write_reg((byte) 1, (char) 0x01,
612 | (char) (on ? 0x18 : 0x10), (byte) 1);
613 | }
614 |
615 | private void rtlsdr_init_baseband() {
616 | int i = 0;
617 | int ret = 0;
618 | /*
619 | * default FIR coefficients used for DAB/FM by the Windows driver, the
620 | * DVB driver uses different ones
621 | */
622 | char[] fir_coeff = { 0xca, 0xdc, 0xd7, 0xd8, 0xe0, 0xf2, 0x0e, 0x35,
623 | 0x06, 0x50, 0x9c, 0x0d, 0x71, 0x11, 0x14, 0x71, 0x74, 0x19,
624 | 0x41, 0xa5, };
625 |
626 | /* initialize USB */
627 | ret = rtlsdr_write_reg(USBB, USB_SYSCTL, (char) 0x09, (byte) 1);
628 | ret = rtlsdr_write_reg(USBB, USB_EPA_MAXPKT, (char) 0x0002, (byte) 2);
629 | ret = rtlsdr_write_reg(USBB, USB_EPA_CTL, (char) 0x1002, (byte) 2);
630 |
631 | /* poweron demod */
632 | ret = rtlsdr_write_reg(SYSB, DEMOD_CTL_1, (char) 0x22, (byte) 1);
633 | ret = rtlsdr_write_reg(SYSB, DEMOD_CTL, (char) 0xe8, (byte) 1);
634 |
635 | /* reset demod (bit 3, soft_rst) */
636 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x01, (char) 0x14,
637 | (byte) 1);
638 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x01, (char) 0x10,
639 | (byte) 1);
640 |
641 | /* disable spectrum inversion and adjacent channel rejection */
642 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x15, (char) 0x00,
643 | (byte) 1);
644 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x16, (char) 0x0000,
645 | (byte) 2);
646 |
647 | /* clear both DDC shift and IF frequency registers */
648 | for (i = 0; i < 6; i++) {
649 | ret = rtlsdr_demod_write_reg((byte) 1, (char) (0x16 + i),
650 | (char) 0x00, (byte) 1);
651 | }
652 |
653 | /* set FIR coefficients */
654 | for (i = 0; i < fir_coeff.length; i++) {
655 | ret = rtlsdr_demod_write_reg((byte) 1, (char) (0x1c + i),
656 | fir_coeff[i], (byte) 1);
657 | }
658 | /* enable SDR mode, disable DAGC (bit 5) */
659 | ret = rtlsdr_demod_write_reg((byte) 0, (char) 0x19, (char) 0x05,
660 | (byte) 1);
661 |
662 | /* init FSM state-holding register */
663 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x93, (char) 0xf0,
664 | (byte) 1);
665 |
666 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x94, (char) 0x0f,
667 | (byte) 1);
668 |
669 | /* disable AGC (en_dagc, bit 0) (this seems to have no effect) */
670 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x11, (char) 0x00,
671 | (byte) 1);
672 |
673 | /* disable RF and IF AGC loop */
674 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0x04, (char) 0x00,
675 | (byte) 1);
676 |
677 | /* disable PID filter (enable_PID = 0) */
678 | ret = rtlsdr_demod_write_reg((byte) 0, (char) 0x61, (char) 0x60,
679 | (byte) 1);
680 |
681 | /* opt_adc_iq = 0, default ADC_I/ADC_Q datapath */
682 | ret = rtlsdr_demod_write_reg((byte) 0, (char) 0x06, (char) 0x80,
683 | (byte) 1);
684 |
685 | /*
686 | * Enable Zero-IF mode (en_bbin bit), DC cancellation (en_dc_est), IQ
687 | * estimation/compensation (en_iq_comp, en_iq_est)
688 | */
689 | ret = rtlsdr_demod_write_reg((byte) 1, (char) 0xb1, (char) 0x1b,
690 | (byte) 1);
691 |
692 | /* disable 4.096 MHz clock output on pin TP_CK0 */
693 | ret = rtlsdr_demod_write_reg((byte) 0, (char) 0x0d, (char) 0x83,
694 | (byte) 1);
695 |
696 | }
697 |
698 | private int rtlsdr_deinit_baseband() {
699 | int r = 0;
700 | int ret = 0;
701 |
702 | if ((tuner) && (!this.tuner_exit)) {
703 | rtlsdr_set_i2c_repeater(true);
704 |
705 | rtlsdr_set_i2c_repeater(false);
706 | }
707 |
708 | /* poweroff demodulator and ADCs */
709 | ret = rtlsdr_write_reg(SYSB, DEMOD_CTL, (char) 0x20, (byte) 1);
710 | if (ret != 0)
711 | Log.e(TAG, " ret " + ret + "Line "
712 | + Thread.currentThread().getStackTrace()[2].getLineNumber());
713 | tuner_exit = true;
714 | tuner = false;
715 | return r;
716 | }
717 |
718 | private int rtlsdr_set_if_freq(long freq) {
719 | // long [] rtl_xtal = new long[1] ;
720 | // long [] rtl_dummy = new long[1] ;
721 | long if_freq = 0;
722 | char tmp;
723 | int r;
724 |
725 | /* read corrected clock value */
726 | // if (rtlsdr_get_xtal_freq(rtl_xtal, rtl_dummy) < 0) return -2;
727 |
728 | if_freq = (long) (((freq * TWO_POW(22)) / rtl_xtal) * (-1));
729 | // if(rtl_xtal !=0 ) if_freq = (freq/rtl_xtal) & 0x003fffff;
730 | tmp = (char) ((if_freq >> 16) & 0x3f);
731 | r = rtlsdr_demod_write_reg((byte) 1, (char) 0x19, tmp, (byte) 1);
732 | tmp = (char) ((if_freq >> 8) & 0xff);
733 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x1a, tmp, (byte) 1);
734 | tmp = (char) (if_freq & 0xff);
735 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x1b, tmp, (byte) 1);
736 |
737 | return r;
738 | }
739 |
740 | private double TWO_POW(int i) {
741 | return (1 << (i));
742 |
743 | }
744 |
745 | private int rtlsdr_set_sample_freq_correction(int ppm) {
746 | int r = 0;
747 | char tmp;
748 | char offs = (char) (ppm * (-1) * TWO_POW(24) / 1000000);
749 |
750 | tmp = (char) (offs & 0xff);
751 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x3f, tmp, (byte) 1);
752 | tmp = (char) ((offs >> 8) & 0x3f);
753 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x3e, tmp, (byte) 1);
754 |
755 | return r;
756 | }
757 |
758 | private int rtlsdr_set_xtal_freq(long rtl_freq, long tuner_freq) {
759 | int r = 0;
760 |
761 | if (rtl_freq > 0
762 | && (rtl_freq < MIN_RTL_XTAL_FREQ || rtl_freq > MAX_RTL_XTAL_FREQ))
763 | return -2;
764 |
765 | if (rtl_freq > 0 && rtl_xtal != rtl_freq) {
766 | rtl_xtal = rtl_freq;
767 |
768 | /* update xtal-dependent settings */
769 | if (this.rate != 0)
770 | r = rtlsdr_set_sample_rate(this.rate);
771 | }
772 |
773 | if (tun_xtal != tuner_freq) {
774 | if (0 == tuner_freq)
775 | tun_xtal = rtl_xtal;
776 | else
777 | tun_xtal = tuner_freq;
778 |
779 | /* read corrected clock value into e4k structure */
780 | // if (rtlsdr_get_xtal_freq(null, /*this.e4k_s.vco.fosc
781 | // fixxme*/null) < 0) return -3;
782 |
783 | /* update xtal-dependent settings */
784 | if (this.freq != 0)
785 | r = rtlsdr_set_center_freq(this.freq);
786 | }
787 |
788 | return r;
789 | }
790 |
791 | private static double APPLY_PPM_CORR(long val, int ppm) {
792 | return (((val) * (1.0 + (ppm) / 1e6)));
793 | }
794 |
795 | private static int rtlsdr_get_xtal_freq(long[] rtl_xtal2, long[] tuner_freq) {
796 |
797 | // #define APPLY_PPM_CORR(val,ppm) (((val) * (1.0 + (ppm) / 1e6)))
798 |
799 | rtl_xtal2[0] = (long) APPLY_PPM_CORR(rtl_xtal, corr);
800 |
801 | tuner_freq[0] = (long) APPLY_PPM_CORR(tun_xtal, corr);
802 |
803 | return 0;
804 | }
805 |
806 | private int rtlsdr_write_eeprom(byte[] data, char offset, char len)
807 | throws InterruptedException {
808 | int r = 0;
809 | int i;
810 | byte[] cmd = new byte[2];
811 |
812 | // if (!dev) return -1;
813 |
814 | if ((len + offset) > 256)
815 | return -2;
816 |
817 | for (i = 0; i < len; i++) {
818 | cmd[0] = (byte) (i + offset);
819 | r = rtlsdr_write_array(IICB, EEPROM_ADDR, cmd, (byte) 1);
820 | r = rtlsdr_read_array(IICB, EEPROM_ADDR, cmd, (byte) 1);
821 |
822 | /* only write the byte if it differs */
823 | if (cmd[1] == data[i])
824 | continue;
825 |
826 | cmd[1] = data[i];
827 | r = rtlsdr_write_array(IICB, EEPROM_ADDR, cmd, (byte) 2);
828 | if (r != cmd.length)
829 | return -3;
830 |
831 | /*
832 | * for some EEPROMs (e.g. ATC 240LC02) we need a delay between write
833 | * operations, otherwise they will fail
834 | */
835 |
836 | Thread.sleep(5000);
837 |
838 | // usleep(5000);
839 |
840 | }
841 |
842 | return 0;
843 | }
844 |
845 | private int rtlsdr_read_eeprom(byte[] data, byte[] offset, char len) {
846 | int r = 0;
847 | int i;
848 | byte[] output = new byte[2];
849 |
850 | if ((len + offset[0]) > 256) {
851 | Log.e(TAG, " rtlsdr_read_eeprom offset + len > 256");
852 | return -2;
853 | }
854 |
855 | r = rtlsdr_write_array(IICB, EEPROM_ADDR, offset, (byte) 1);
856 | if (r < 0)
857 | return -3;
858 |
859 | for (i = 0; i < len; i++) {
860 | output[0] = data[i];
861 | r = rtlsdr_read_array(IICB, EEPROM_ADDR, output, (byte) 1);
862 |
863 | if (r < 0) {
864 | Log.e(TAG, " rtlsdr_read_eeprom FAILED");
865 | return -3;
866 | }
867 |
868 | }
869 |
870 | return r;
871 | }
872 |
873 | private int rtlsdr_set_center_freq(long freq) {
874 | int r = -1;
875 |
876 | // if (this.tuner ==0) return -1;
877 |
878 | if (this.direct_sampling) {
879 | r = rtlsdr_set_if_freq(freq);
880 | } else if (myTuner != null) {
881 |
882 | rtlsdr_set_i2c_repeater(true);
883 | try {
884 | r = myTuner.set_freq(0, freq);
885 | } catch (IOException e) {
886 |
887 | e.printStackTrace();
888 |
889 | Log.e(TAG, e.toString());
890 | try {
891 | myTuner.set_freq(0, freq - this.offs_freq);
892 | } catch (IOException e1) {
893 |
894 | e1.printStackTrace();
895 | Log.e(TAG, e.toString());
896 | }
897 | }
898 |
899 | rtlsdr_set_i2c_repeater(false);
900 | }
901 |
902 | if (r <= 0)
903 | this.freq = freq;
904 | else
905 | this.freq = 0;
906 | return r;
907 | }
908 |
909 | private long rtlsdr_get_center_freq() {
910 |
911 | return this.freq;
912 | }
913 |
914 | private int rtlsdr_set_freq_correction(int ppm) {
915 | int r = 0;
916 | long[] xtal_freq = new long[1];
917 | long[] tuner_freq2 = new long[1];
918 |
919 | if (corr == ppm)
920 | return -2;
921 |
922 | corr = ppm;
923 |
924 | r |= rtlsdr_set_sample_freq_correction(ppm);
925 |
926 | /* read corrected clock value into e4k structure */
927 | if (rtlsdr_get_xtal_freq(xtal_freq, tuner_freq2) < 0)
928 | return -3;
929 |
930 | if (this.freq != 0) /* retune to apply new correction value */
931 | r |= rtlsdr_set_center_freq(this.freq);
932 |
933 | return r;
934 | }
935 |
936 | private int rtlsdr_get_freq_correction() {
937 |
938 | return corr;
939 | }
940 |
941 | // int rtlsdr_tuner
942 | private int rtlsdr_get_tuner_type() {
943 | // return RTLSDR_TUNER_UNKNOWN;
944 |
945 | return (this.tuner_type);
946 | }
947 |
948 | private int rtlsdr_get_tuner_gains(int[] dst) {
949 | int len;
950 | /* all gain values are expressed in tenths of a dB */
951 | int[] e4k_gains = { -10, 15, 40, 65, 90, 115, 140, 165, 190, 215, 240,
952 | 290, 340, 420 };
953 | int[] fc0012_gains = { -99, -40, 71, 179, 192 };
954 | int[] fc0013_gains = { -99, -73, -65, -63, -60, -58, -54, 58, 61, 63,
955 | 65, 67, 68, 70, 71, 179, 181, 182, 184, 186, 188, 191, 197 };
956 | int[] fc2580_gains = { 0 /* no gain values */};
957 | int[] r820t_gains = { 0, 9, 14, 27, 37, 77, 87, 125, 144, 157, 166,
958 | 197, 207, 229, 254, 280, 297, 328, 338, 364, 372, 386, 402,
959 | 421, 434, 439, 445, 480, 496 };
960 | int[] unknown_gains = { 0 /* no gain values */};
961 |
962 | switch (this.tuner_type) {
963 | case RTLSDR_TUNER_E4000:
964 | len = e4k_gains.length;
965 | System.arraycopy(e4k_gains, 0, dst, 0, e4k_gains.length);
966 | break;
967 | case RTLSDR_TUNER_FC0012:
968 | len = fc0012_gains.length;
969 | System.arraycopy(fc0012_gains, 0, dst, 0, fc0012_gains.length);
970 | break;
971 | case RTLSDR_TUNER_FC0013:
972 | len = fc0013_gains.length;
973 | System.arraycopy(fc0013_gains, 0, dst, 0, fc0013_gains.length);
974 | break;
975 | case RTLSDR_TUNER_FC2580:
976 | len = fc2580_gains.length;
977 | System.arraycopy(fc2580_gains, 0, dst, 0, fc2580_gains.length);
978 | break;
979 | case RTLSDR_TUNER_R820T:
980 | len = r820t_gains.length;
981 | System.arraycopy(r820t_gains, 0, dst, 0, r820t_gains.length);
982 | break;
983 | default:
984 |
985 | len = unknown_gains.length;
986 | System.arraycopy(unknown_gains, 0, dst, 0, unknown_gains.length);
987 | break;
988 | }
989 |
990 | return (len);
991 | }
992 |
993 | private int rtlsdr_set_tuner_gain(int inputGain) {
994 | int r = 0;
995 | if (this.tuner_set_gain) {
996 | rtlsdr_set_i2c_repeater(true);
997 | try {
998 | myTuner.set_gain(0, inputGain);
999 | } catch (IOException e) {
1000 | Log.e(TAG, "set_gain error " + e.toString());
1001 | e.printStackTrace();
1002 | }
1003 | rtlsdr_set_i2c_repeater(false);
1004 | }
1005 | gain = inputGain;
1006 | return r;
1007 | }
1008 |
1009 | private long rtlsdr_get_tuner_gain() {
1010 | return this.gain;
1011 | }
1012 |
1013 | private int rtlsdr_set_tuner_if_gain(int stage, int gain) {
1014 | int r = 0;
1015 | if (myTuner != null)
1016 | return -1;
1017 | if (myTuner != null) {
1018 | rtlsdr_set_i2c_repeater(true);
1019 | try {
1020 | myTuner.set_if_gain(0, stage, gain);
1021 | } catch (IOException e) {
1022 | Log.e(TAG, e.toString());
1023 | e.printStackTrace();
1024 | }
1025 | rtlsdr_set_i2c_repeater(false);
1026 | }
1027 |
1028 | return r;
1029 | }
1030 |
1031 | private int rtlsdr_set_tuner_gain_mode(boolean mode) {
1032 | int r = 0;
1033 | // if(myTuner == null) return -1;
1034 |
1035 | if (this.set_gain_mode) {
1036 | rtlsdr_set_i2c_repeater(true);
1037 | try {
1038 | myTuner.set_gain_mode(0, mode);
1039 | } catch (IOException e) {
1040 | Log.e(TAG, e.toString());
1041 | e.printStackTrace();
1042 | }
1043 | rtlsdr_set_i2c_repeater(false);
1044 | }
1045 |
1046 | return r;
1047 | }
1048 |
1049 | private int rtlsdr_set_sample_rate(long samp_rate) {
1050 | int r = 0;
1051 | char tmp;
1052 | long rsamp_ratio;
1053 | double real_rate;
1054 |
1055 | // if (!dev) return -1;
1056 |
1057 | /* check for the maximum rate the resampler supports */
1058 | if (samp_rate > MAX_SAMP_RATE)
1059 | samp_rate = MAX_SAMP_RATE;
1060 |
1061 | rsamp_ratio = (long) ((rtl_xtal * TWO_POW(22)) / samp_rate);
1062 | rsamp_ratio &= ~3;
1063 |
1064 | real_rate = (rtl_xtal * TWO_POW(22)) / rsamp_ratio;
1065 |
1066 | if (samp_rate != real_rate)
1067 | Log.e(TAG, "Exact sample rate is: " + real_rate + " Hz");
1068 |
1069 | if ((myTuner != null) && this.tuner_set_bw) {
1070 | rtlsdr_set_i2c_repeater(true);
1071 | try {
1072 | myTuner.set_bw(0, (int) real_rate);
1073 | } catch (IOException e1) {
1074 | Log.e(TAG, e1.toString());
1075 | e1.printStackTrace();
1076 | }
1077 | if (myTuner != null)
1078 | try {
1079 | myTuner.set_bw(0, (int) real_rate);
1080 | } catch (IOException e) {
1081 | Log.e(TAG, "error set_bw " + real_rate);
1082 | e.printStackTrace();
1083 | }
1084 | rtlsdr_set_i2c_repeater(false);
1085 | }
1086 |
1087 | this.rate = (long) real_rate;
1088 |
1089 | tmp = (char) ((char) (rsamp_ratio >> 16) & 0x0000ffff);
1090 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x9f, tmp, (byte) 2);
1091 | tmp = (char) (rsamp_ratio & 0x0ffff);
1092 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0xa1, tmp, (byte) 2);
1093 |
1094 | r |= rtlsdr_set_sample_freq_correction(corr);
1095 |
1096 | /* reset demod (bit 3, soft_rst) */
1097 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x01, (char) 0x14,
1098 | (byte) 1);
1099 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x01, (char) 0x10,
1100 | (byte) 1);
1101 |
1102 | /* recalculate offset frequency if offset tuning is enabled */
1103 | if (this.offs_freq != 0)
1104 | rtlsdr_set_offset_tuning(true);
1105 |
1106 | return r;
1107 | }
1108 |
1109 | private long rtlsdr_get_sample_rate() {
1110 |
1111 | return this.rate;
1112 | }
1113 |
1114 | private int rtlsdr_set_testmode(boolean on) {
1115 |
1116 | return rtlsdr_demod_write_reg((byte) 0, (char) 0x19, (char) (on ? 0x03
1117 | : 0x05), (byte) 1);
1118 | }
1119 |
1120 | private int rtlsdr_set_agc_mode(boolean on) {
1121 |
1122 | return rtlsdr_demod_write_reg((byte) 0, (char) 0x19, (char) (on ? 0x25
1123 | : 0x05), (byte) 1);
1124 | }
1125 |
1126 | private int rtlsdr_set_direct_sampling(boolean on) {
1127 | int r = 0;
1128 |
1129 | // if (!dev) return -1;
1130 |
1131 | if (on) {
1132 | if ((this.tuner) && this.tuner_exit) {
1133 | rtlsdr_set_i2c_repeater(true);
1134 | // r = this.tuner->exit();
1135 | if (myTuner != null)
1136 | try {
1137 | myTuner.exit(0);
1138 | } catch (IOException e) {
1139 | Log.e(TAG, "myTuner.exit(0) FAILED " + e.toString());
1140 | e.printStackTrace();
1141 | }
1142 | rtlsdr_set_i2c_repeater(false);
1143 | }
1144 |
1145 | /* disable Zero-IF mode */
1146 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0xb1, (char) 0x1a,
1147 | (byte) 1);
1148 |
1149 | /* disable spectrum inversion */
1150 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x15, (char) 0x00,
1151 | (byte) 1);
1152 |
1153 | /* only enable In-phase ADC input */
1154 | r |= rtlsdr_demod_write_reg((byte) 0, (char) 0x08, (char) 0x4d,
1155 | (byte) 1);
1156 |
1157 | /* swap I and Q ADC, this allows to select between two inputs */
1158 | r |= rtlsdr_demod_write_reg((byte) 0, (char) 0x06,
1159 | (char) (on ? 0x90 : 0x80), (byte) 1);
1160 |
1161 | Log.e(TAG,
1162 | "rtlsdr_set_direct_sampling Enabled direct sampling mode, input "
1163 | + on);
1164 | this.direct_sampling = on;
1165 | } else {
1166 | if ((this.myTuner != null) && this.tuner_init) {
1167 | rtlsdr_set_i2c_repeater(true);
1168 | try {
1169 | r |= myTuner.init(0);
1170 | } catch (IOException e) {
1171 |
1172 | e.printStackTrace();
1173 | Log.e(TAG, e.toString());
1174 | }
1175 | rtlsdr_set_i2c_repeater(true);
1176 | }
1177 |
1178 | if (this.tuner_type == RTLSDR_TUNER_R820T) {
1179 | r |= rtlsdr_set_if_freq(R820T_IF_FREQ);
1180 |
1181 | /* enable spectrum inversion */
1182 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0x15, (char) 0x01,
1183 | (byte) 1);
1184 | } else {
1185 | r |= rtlsdr_set_if_freq(0);
1186 |
1187 | /* enable In-phase + Quadrature ADC input */
1188 | r |= rtlsdr_demod_write_reg((byte) 0, (char) 0x08, (char) 0xcd,
1189 | (byte) 1);
1190 |
1191 | /* Enable Zero-IF mode */
1192 | r |= rtlsdr_demod_write_reg((byte) 1, (char) 0xb1, (char) 0x1b,
1193 | (byte) 1);
1194 | }
1195 |
1196 | /* opt_adc_iq = 0, default ADC_I/ADC_Q datapath */
1197 | r |= rtlsdr_demod_write_reg((byte) 0, (char) 0x06, (char) 0x80,
1198 | (byte) 1);
1199 |
1200 | Log.e(TAG, "Disabled direct sampling mode\n");
1201 | this.direct_sampling = false;
1202 | }
1203 |
1204 | r |= rtlsdr_set_center_freq(this.freq);
1205 |
1206 | return r;
1207 | }
1208 |
1209 | private boolean rtlsdr_get_direct_sampling() {
1210 | return this.direct_sampling;
1211 | }
1212 |
1213 | private int rtlsdr_set_offset_tuning(boolean on) {
1214 | int r = 0;
1215 |
1216 | if (this.tuner_type == RTLSDR_TUNER_R820T)
1217 | return -2;
1218 |
1219 | if (this.direct_sampling)
1220 | return -3;
1221 |
1222 | /* based on keenerds 1/f noise measurements */
1223 | this.offs_freq = on ? ((this.rate / 2) * 170 / 100) : 0;
1224 | // r |= rtlsdr_set_if_freq(this.offs_freq);
1225 |
1226 | if ((this.tuner) && /* this.tuner.set_bw */true) {
1227 | rtlsdr_set_i2c_repeater(true);
1228 | // this.tuner.set_bw(on ? (2 * this.offs_freq) : this. rate);
1229 | rtlsdr_set_i2c_repeater(false);
1230 | }
1231 |
1232 | if (this.freq > this.offs_freq)
1233 | r |= rtlsdr_set_center_freq(this.freq);
1234 |
1235 | return r;
1236 | }
1237 |
1238 | private int rtlsdr_get_offset_tuning() {
1239 | return (this.offs_freq < 0) ? 1 : 0;
1240 | }
1241 |
1242 | private IRtlSdrTuner rtlsdr_detect() throws IOException {
1243 | int reg = 0;
1244 | int ret = 0;
1245 |
1246 | if (myTuner != null) {
1247 | Log.e(TAG, "Error Already called rtlsdr_open()");
1248 | // return (myTuner);
1249 | }
1250 |
1251 | Log.e(TAG, "rtlsdr_open()");
1252 |
1253 | /* perform a dummy write, if it fails, reset the device */
1254 | if ((ret = rtlsdr_write_reg(USBB, USB_SYSCTL, (char) 0x09, (byte) 1)) < 0) {
1255 | if (ret != 0)
1256 | Log.e(TAG,
1257 | "ERROR ret "
1258 | + ret
1259 | + " Line "
1260 | + Thread.currentThread().getStackTrace()[2]
1261 | .getLineNumber());
1262 | Log.e(TAG, "Resetting device...");
1263 |
1264 | }
1265 |
1266 | rtlsdr_init_baseband();
1267 | /* Probe tuners */
1268 | rtlsdr_set_i2c_repeater(true);
1269 |
1270 | reg = rtlsdr_i2c_read_reg(R820T_I2C_ADDR, R820T_CHECK_ADDR) & 0x0000FF;
1271 | if (reg == R820T_CHECK_VAL) {
1272 | Log.e(TAG, "Found Rafael Micro R820T tuner\n");
1273 | this.tuner_type = RTLSDR_TUNER_R820T;
1274 |
1275 | /* disable Zero-IF mode */
1276 | rtlsdr_demod_write_reg((byte) 1, (char) 0xb1, (char) 0x1a, (byte) 1);
1277 |
1278 | /* only enable In-phase ADC input */
1279 | rtlsdr_demod_write_reg((byte) 0, (char) 0x08, (char) 0x4d, (byte) 1);
1280 |
1281 | /*
1282 | * the R820T uses 3.57 MHz IF for the DVB-T 6 MHz mode, and 4.57 MHz
1283 | * for the 8 MHz mode
1284 | */
1285 | rtlsdr_set_if_freq(R820T_IF_FREQ);
1286 |
1287 | /* enable spectrum inversion */
1288 | rtlsdr_demod_write_reg((byte) 1, (char) 0x15, (char) 0x01, (byte) 1);
1289 |
1290 | myTuner = new R820T();
1291 | if (myTuner != null)
1292 | Log.e(TAG, "Error on tuner init");
1293 | myTuner.init(0);
1294 |
1295 | rtlsdr_set_i2c_repeater(false);
1296 |
1297 | tun_xtal = rtl_xtal; /* use the rtl clock value by default */
1298 |
1299 | return myTuner;
1300 | }
1301 |
1302 | reg = rtlsdr_i2c_read_reg(R828D_I2C_ADDR, R820T_CHECK_ADDR);
1303 | if (reg == R820T_CHECK_VAL) {
1304 | Log.e(TAG, "Found Rafael Micro R828D tuner\n");
1305 | this.tuner_type = RTLSDR_TUNER_R828D;
1306 | myTuner = new R820T();// ??
1307 |
1308 | myTuner.init(0);
1309 | rtlsdr_set_i2c_repeater(false);
1310 | }
1311 |
1312 | /* initialise GPIOs */
1313 | reg = rtlsdr_i2c_read_reg(E4K_I2C_ADDR, E4K_CHECK_ADDR) & 0x000000FF;
1314 | if (reg == E4K_CHECK_VAL) {
1315 | Log.e(TAG, "Found Elonics E4000 tuner");
1316 | this.tuner_type = RTLSDR_TUNER_E4000;
1317 | myTuner = new E4K();
1318 |
1319 | myTuner.init(0);
1320 |
1321 | rtlsdr_set_i2c_repeater(false);
1322 |
1323 | tun_xtal = rtl_xtal; /* use the rtl clock value by default */
1324 |
1325 | return myTuner;
1326 | }
1327 |
1328 | reg = rtlsdr_i2c_read_reg(FC0013_I2C_ADDR, FC0013_CHECK_ADDR) & 0x000000FF;
1329 | if (reg == FC0013_CHECK_VAL) {
1330 | Log.e(TAG, "Found Fitipower FC0013 tuner");
1331 |
1332 | this.tuner_type = RTLSDR_TUNER_FC0013;
1333 |
1334 | tun_xtal = rtl_xtal; /* use the rtl clock value by default */
1335 |
1336 | myTuner = new FC0013();
1337 |
1338 | myTuner.init(0);
1339 |
1340 | rtlsdr_set_i2c_repeater(false);
1341 |
1342 | return myTuner;
1343 | }
1344 |
1345 | rtlsdr_set_gpio_output((byte) 5);
1346 |
1347 | /* reset tuner before probing */
1348 | rtlsdr_tuner_reset();
1349 |
1350 | reg = rtlsdr_i2c_read_reg(FC2580_I2C_ADDR, FC2580_CHECK_ADDR) & 0x000000FF;
1351 | if ((reg & 0x7f) == FC2580_CHECK_VAL) {
1352 | Log.e(TAG, "Found FCI 2580 tuner");
1353 | this.tuner_type = RTLSDR_TUNER_FC2580;
1354 | myTuner = new FC2580();
1355 |
1356 | myTuner.init(0);
1357 |
1358 | rtlsdr_set_i2c_repeater(false);
1359 |
1360 | tun_xtal = rtl_xtal; /* use the rtl clock value by default */
1361 |
1362 | return myTuner;
1363 | }
1364 |
1365 | reg = rtlsdr_i2c_read_reg(FC0012_I2C_ADDR, FC0012_CHECK_ADDR) & 0x000000FF;
1366 | if (reg == FC0012_CHECK_VAL) {
1367 | Log.e(TAG, "Found Fitipower FC0012 tuner");
1368 | rtlsdr_set_gpio_output((byte) 6);
1369 | this.tuner_type = RTLSDR_TUNER_FC0012;
1370 |
1371 | myTuner = new FC0012();
1372 |
1373 | myTuner.init(0);
1374 |
1375 | rtlsdr_set_i2c_repeater(false);
1376 |
1377 | tun_xtal = rtl_xtal; /* use the rtl clock value by default */
1378 |
1379 | return myTuner;
1380 | }
1381 |
1382 | if (this.tuner_type == RTLSDR_TUNER_UNKNOWN) {
1383 | Log.e(TAG, "No supported tuner found\n");
1384 | rtlsdr_set_direct_sampling(true);
1385 | return null;
1386 | }
1387 |
1388 | tun_xtal = rtl_xtal; /* use the rtl clock value by default */
1389 |
1390 | rtlsdr_set_i2c_repeater(false);
1391 |
1392 | return myTuner;
1393 | }
1394 |
1395 | private void rtlsdr_tuner_led_on() {
1396 | /* reset tuner before probing */
1397 | rtlsdr_set_gpio_bit((byte) 0, true);
1398 | // rtlsdr_set_gpio_bit((byte) 1, false);
1399 | }
1400 |
1401 | private void rtlsdr_tuner_reset() {
1402 | /* reset tuner before probing */
1403 | rtlsdr_set_gpio_bit((byte) 5, true);
1404 | rtlsdr_set_gpio_bit((byte) 5, false);
1405 | }
1406 |
1407 | private int rtlsdr_reset_buffer() {
1408 |
1409 | rtlsdr_write_reg(USBB, USB_EPA_CTL, (char) 0x1002, (byte) 2);
1410 | rtlsdr_write_reg(USBB, USB_EPA_CTL, (char) 0x0000, (byte) 2);
1411 |
1412 | return 0;
1413 | }
1414 |
1415 | private int rtlsdr_read_sync(byte[] buf, int len, int n_read)
1416 | throws IOException {
1417 | return (read(buf, BULK_TIMEOUT));
1418 | // return libusb_bulk_transfer(0x81, buf, len, n_read, BULK_TIMEOUT);
1419 | }
1420 |
1421 | /*
1422 | * @Override public int setBaudRate(int baudRate) throws IOException { //
1423 | * TODO Auto-generated method stub return 0; }
1424 | */
1425 |
1426 | @Override
1427 | public void settings(boolean agc, int mygain, int ppm) {
1428 | enable_agc = agc;
1429 | ppm_error = ppm;
1430 | gain = mygain;
1431 | }
1432 |
1433 | @Override
1434 | public void setParameters(int baudRate, int dataBits, int stopBits,
1435 | int parity) throws IOException {
1436 |
1437 | }
1438 |
1439 | @Override
1440 | public boolean getCD() throws IOException {
1441 | return false;
1442 | }
1443 |
1444 | @Override
1445 | public boolean getCTS() throws IOException {
1446 | return false;
1447 | }
1448 |
1449 | @Override
1450 | public boolean getDSR() throws IOException {
1451 | return false;
1452 | }
1453 |
1454 | @Override
1455 | public boolean getDTR() throws IOException {
1456 | return false;
1457 | }
1458 |
1459 | @Override
1460 | public void setDTR(boolean value) throws IOException {
1461 | }
1462 |
1463 | @Override
1464 | public boolean getRI() throws IOException {
1465 | return false;
1466 | }
1467 |
1468 | @Override
1469 | public boolean getRTS() throws IOException {
1470 | return false;
1471 | }
1472 |
1473 | @Override
1474 | public void setRTS(boolean value) throws IOException {
1475 | }
1476 |
1477 | public static int rtlsdr_i2c_write_fn(byte addr, byte[] buf, byte len) {
1478 | return rtlsdr_i2c_write(addr, buf, len);
1479 |
1480 | }
1481 |
1482 | public static int rtlsdr_i2c_read_fn(byte addr, byte[] buf, byte len) {
1483 | return rtlsdr_i2c_read(addr, buf, len);
1484 |
1485 | }
1486 |
1487 | }
1488 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/SdrUsbId.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android;
2 |
3 | public class SdrUsbId {
4 |
5 | public static final int VENDOR_KYE = 0x0458;
6 | public static final int KYE_RTL2832_707F = 0x707f;
7 |
8 | public static final int VENDOR_RTL = 0x0bda;
9 | public static final int RTL_RTL2832 = 0x2832;
10 | public static final int RTL_RTL2838 = 0x2838;
11 |
12 | public static final int VENDOR_TERRATEC = 0x0ccd;
13 | public static final int TERRATEC_RTL2838_A9 = 0x00a9;
14 | public static final int TERRATEC_RTL2838_B3 = 0x00b3;
15 | public static final int TERRATEC_RTL2838_B4 = 0x00b4;
16 | public static final int TERRATEC_RTL2838_B7 = 0x00b7;
17 | public static final int TERRATEC_RTL2838_C6 = 0x00c6;
18 | public static final int TERRATEC_RTL2838_D3 = 0x00d3;
19 | public static final int TERRATEC_RTL2838_D7 = 0x00d7;
20 | public static final int TERRATEC_RTL2838_E0 = 0x00e0;
21 |
22 | public static final int VENDOR_COMPRO = 0x185b;
23 | public static final int COMPRO_620 = 0x0620;;
24 | public static final int COMPRO_650 = 0x0650;
25 | public static final int COMPRO_680 = 0x0680;
26 |
27 | public static final int VENDOR_AFATECH = 0x01b80;
28 | public static final int AFATECH_RTL2838_D393 = 0xd393;
29 | public static final int AFATECH_RTL2838_D394 = 0xd394;
30 | public static final int AFATECH_RTL2838_D395 = 0xd395;
31 | public static final int AFATECH_RTL2838_D396 = 0xd396;
32 | public static final int AFATECH_RTL2838_D397 = 0xd397;
33 | public static final int AFATECH_RTL2838_D398 = 0xd398;
34 | public static final int AFATECH_RTL2838_D39D = 0xd39d;
35 | public static final int AFATECH_RTL2838_D3A4 = 0xd3a4;
36 |
37 | public static final int VENDOR_DEXATEC = 0x01d19;
38 | public static final int DEXATEC_1101 = 0x1101;
39 | public static final int DEXATEC_1102 = 0x1102;
40 | public static final int DEXATEC_1103 = 0x1103;
41 |
42 | public static final int VENDOR_GTEK = 0x1f4d;
43 | public static final int GTEK_RTL2838_B803 = 0xb803;
44 | public static final int GTEK_RTL2838_C803 = 0xC803;
45 | public static final int GTEK_RTL2838_D286 = 0xd286;
46 | public static final int GTEK_RTL2838_D803 = 0xD803;
47 |
48 | private SdrUsbId() {
49 | throw new IllegalAccessError("Non-instantiable class.");
50 | }
51 | }
52 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/tuners/E4K.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android.tuners;
2 |
3 | import java.io.IOException;
4 |
5 | import com.rtlsdr.android.SdrSerialDriver;
6 |
7 | public class E4K implements IRtlSdrTuner {
8 | class e4k_if_filter {
9 | int E4K_IF_FILTER_MIX;
10 | int E4K_IF_FILTER_CHAN;
11 | int E4K_IF_FILTER_RC;
12 | };
13 |
14 | class e4k_pll_params {
15 | int fosc;
16 | int intended_flo;
17 | int flo;
18 | char x;
19 | byte z;
20 | byte r;
21 | byte r_idx;
22 | byte threephase;
23 | };
24 |
25 | class e4k_band {
26 | int E4K_BAND_VHF2 = 0;
27 | int E4K_BAND_VHF3 = 1;
28 | int E4K_BAND_UHF = 2;
29 | int E4K_BAND_L = 3;
30 | };
31 |
32 | class e4k_state {
33 |
34 | byte i2c_addr;
35 | e4k_band band;
36 | e4k_pll_params vco;
37 |
38 | };
39 |
40 | class reg_field {
41 | byte reg;
42 | byte shift;
43 | byte width;
44 | };
45 |
46 | private final int E4K_I2C_ADDR = 0xC8;
47 | private final int E4K_REG_MASTER1 = 0x00,
48 | E4K_REG_MASTER2 = 0x01,
49 | E4K_REG_MASTER3 = 0x02,
50 | E4K_REG_MASTER4 = 0x03,
51 | E4K_REG_MASTER5 = 0x04,
52 | E4K_REG_CLK_INP = 0x05,
53 | E4K_REG_REF_CLK = 0x06,
54 | E4K_REG_SYNTH1 = 0x07,
55 | E4K_REG_SYNTH2 = 0x08,
56 | E4K_REG_SYNTH3 = 0x09,
57 | E4K_REG_SYNTH4 = 0x0a,
58 | E4K_REG_SYNTH5 = 0x0b,
59 | E4K_REG_SYNTH6 = 0x0c,
60 | E4K_REG_SYNTH7 = 0x0d,
61 | E4K_REG_SYNTH8 = 0x0e,
62 | E4K_REG_SYNTH9 = 0x0f,
63 | E4K_REG_FILT1 = 0x10,
64 | E4K_REG_FILT2 = 0x11,
65 | E4K_REG_FILT3 = 0x12,
66 | // gap
67 | E4K_REG_GAIN1 = 0x14,
68 | E4K_REG_GAIN2 = 0x15,
69 | E4K_REG_GAIN3 = 0x16,
70 | E4K_REG_GAIN4 = 0x17,
71 | // gap
72 | E4K_REG_AGC1 = 0x1a,
73 | E4K_REG_AGC2 = 0x1b,
74 | E4K_REG_AGC3 = 0x1c,
75 | E4K_REG_AGC4 = 0x1d,
76 | E4K_REG_AGC5 = 0x1e,
77 | E4K_REG_AGC6 = 0x1f,
78 | E4K_REG_AGC7 = 0x20,
79 | E4K_REG_AGC8 = 0x21,
80 | // gap
81 | E4K_REG_AGC11 = 0x24,
82 | E4K_REG_AGC12 = 0x25,
83 | // gap
84 | E4K_REG_DC1 = 0x29,
85 | E4K_REG_DC2 = 0x2a,
86 | E4K_REG_DC3 = 0x2b,
87 | E4K_REG_DC4 = 0x2c,
88 | E4K_REG_DC5 = 0x2d,
89 | E4K_REG_DC6 = 0x2e,
90 | E4K_REG_DC7 = 0x2f,
91 | E4K_REG_DC8 = 0x30,
92 | // gap
93 | E4K_REG_QLUT0 = 0x50,
94 | E4K_REG_QLUT1 = 0x51,
95 | E4K_REG_QLUT2 = 0x52,
96 | E4K_REG_QLUT3 = 0x53,
97 | // gap
98 | E4K_REG_ILUT0 = 0x60,
99 | E4K_REG_ILUT1 = 0x61,
100 | E4K_REG_ILUT2 = 0x62,
101 | E4K_REG_ILUT3 = 0x63,
102 | // gap
103 | E4K_REG_DCTIME1 = 0x70, E4K_REG_DCTIME2 = 0x71,
104 | E4K_REG_DCTIME3 = 0x72, E4K_REG_DCTIME4 = 0x73,
105 | E4K_REG_PWM1 = 0x74, E4K_REG_PWM2 = 0x75, E4K_REG_PWM3 = 0x76,
106 | E4K_REG_PWM4 = 0x77, E4K_REG_BIAS = 0x78,
107 | E4K_REG_CLKOUT_PWDN = 0x7a, E4K_REG_CHFILT_CALIB = 0x7b,
108 | E4K_REG_I2C_REG_ADDR = 0x7d, E4K_AGC_MOD_SERIAL = 0x0,
109 | E4K_AGC_MOD_IF_PWM_LNA_SERIAL = 0x1,
110 | E4K_AGC_MOD_IF_PWM_LNA_AUTONL = 0x2,
111 | E4K_AGC_MOD_IF_PWM_LNA_SUPERV = 0x3,
112 | E4K_AGC_MOD_IF_SERIAL_LNA_PWM = 0x4,
113 | E4K_AGC_MOD_IF_PWM_LNA_PWM = 0x5,
114 | E4K_AGC_MOD_IF_DIG_LNA_SERIAL = 0x6,
115 | E4K_AGC_MOD_IF_DIG_LNA_AUTON = 0x7,
116 | E4K_AGC_MOD_IF_DIG_LNA_SUPERV = 0x8,
117 | E4K_AGC_MOD_IF_SERIAL_LNA_AUTON = 0x9,
118 | E4K_AGC_MOD_IF_SERIAL_LNA_SUPERV = 0xa, E4K_BAND_VHF2 = 0,
119 | E4K_BAND_VHF3 = 1, E4K_BAND_UHF = 2, E4K_BAND_L = 3,
120 | E4K_F_MIX_BW_27M = 0, E4K_F_MIX_BW_4M6 = 8, E4K_F_MIX_BW_4M2 = 9,
121 | E4K_F_MIX_BW_3M8 = 10, E4K_F_MIX_BW_3M4 = 11, E4K_F_MIX_BW_3M = 12,
122 | E4K_F_MIX_BW_2M7 = 13, E4K_F_MIX_BW_2M3 = 14,
123 | E4K_F_MIX_BW_1M9 = 15, E4K_IF_FILTER_MIX = 0,
124 | E4K_IF_FILTER_CHAN = 1, E4K_IF_FILTER_RC = 3;
125 |
126 | private final int E4K_MASTER1_RESET = (1 << 0);
127 | private final int E4K_MASTER1_NORM_STBY = (1 << 1);
128 | private final int E4K_MASTER1_POR_DET = (1 << 2);
129 | private final int E4K_SYNTH1_PLL_LOCK = (1 << 0);
130 | private final int E4K_SYNTH1_BAND_SHIF = 1;
131 | private final int E4K_SYNTH7_3PHASE_EN = (1 << 3);
132 | private final int E4K_SYNTH8_VCOCAL_UPD = (1 << 2);
133 | private final int E4K_FILT3_DISABLE = (1 << 5);
134 | private final int E4K_AGC1_LIN_MODE = (1 << 4);
135 | private final int E4K_AGC1_LNA_UPDATE = (1 << 5);
136 | private final int E4K_AGC1_LNA_G_LOW = (1 << 6);
137 | private final int E4K_AGC1_LNA_G_HIGH = (1 << 7);
138 | private final int E4K_AGC6_LNA_CAL_REQ = (1 << 4);
139 | private final int E4K_AGC7_MIX_GAIN_AUTO = (1 << 0);
140 | private final int E4K_AGC7_GAIN_STEP_5dB = (1 << 5);
141 | private final int E4K_AGC8_SENS_LIN_AUTO = (1 << 0);
142 | private final int E4K_AGC11_LNA_GAIN_ENH = (1 << 0);
143 | private final int E4K_DC1_CAL_REQ = (1 << 0);
144 | private final int E4K_DC5_I_LUT_EN = (1 << 0);
145 | private final int E4K_DC5_Q_LUT_EN = (1 << 1);
146 | private final int E4K_DC5_RANGE_DET_EN = (1 << 2);
147 | private final int E4K_DC5_RANGE_EN = (1 << 3);
148 | private final int E4K_DC5_TIMEVAR_EN = (1 << 4);
149 | private final int E4K_CLKOUT_DISABLE = 0x96;
150 | private final int E4K_CHFCALIB_CMD = (1 << 0);
151 | private final int E4K_AGC1_MOD_MASK = 0xF;
152 |
153 | private final byte[] if_stage1_gain = { -3, 6 };
154 |
155 | private final byte[] if_stage23_gain = { 0, 3, 6, 9 };
156 |
157 | private final byte[] if_stage4_gain = { 0, 1, 2, 2 };
158 |
159 | private final byte[] if_stage56_gain = { 3, 6, 9, 12, 15, 15, 15, 15 };
160 |
161 | private final byte[] if_stage_gain[] = { null, if_stage1_gain,
162 | if_stage23_gain, if_stage23_gain, if_stage4_gain, if_stage56_gain,
163 | if_stage56_gain };
164 |
165 | private final int[] if_stage_gain_len = { 0, if_stage1_gain.length,
166 | if_stage23_gain.length, if_stage23_gain.length,
167 | if_stage4_gain.length, if_stage56_gain.length,
168 | if_stage56_gain.length };
169 |
170 | @Override
171 | public int init(int param) throws IOException {
172 | // TODO Auto-generated method stub
173 |
174 | return e4k_init();
175 | }
176 |
177 | @Override
178 | public int exit(int param) throws IOException {
179 | // TODO Auto-generated method stub
180 | return 0;
181 | }
182 |
183 | @Override
184 | public int set_freq(int param, long freq) throws IOException {
185 | // TODO Auto-generated method stub
186 | return 0;
187 | }
188 |
189 | @Override
190 | public int set_bw(int param, int bw) throws IOException {
191 | // TODO Auto-generated method stub
192 | return 0;
193 | }
194 |
195 | @Override
196 | public int set_gain(int param, int gain) throws IOException {
197 | // TODO Auto-generated method stub
198 | return 0;
199 | }
200 |
201 | @Override
202 | public int set_if_gain(int param, int stage, int gain) throws IOException {
203 | // TODO Auto-generated method stub
204 | return 0;
205 | }
206 |
207 | @Override
208 | public int set_gain_mode(int param, boolean manual) throws IOException {
209 | // TODO Auto-generated method stub
210 | return 0;
211 | }
212 |
213 | private int MHZ(int x) {
214 | return ((x) * 1000 * 1000);
215 | }
216 |
217 | private int KHZ(int x) {
218 | return ((x) * 1000);
219 | }
220 |
221 | byte e4k_reg_read(int reg) {
222 | return SdrSerialDriver.rtlsdr_i2c_read_reg((char) E4K_I2C_ADDR, reg);
223 | }
224 |
225 | int e4k_reg_write(int reg, int val) {
226 | return SdrSerialDriver.rtlsdr_i2c_write_reg((byte) E4K_I2C_ADDR,
227 | (char) reg, (char) val);
228 | }
229 |
230 | /*
231 | * ! \brief Set or clear some (masked) bits inside a register \param[in] e4k
232 | * reference to the tuner \param[in] reg number of the register \param[in]
233 | * mask bit-mask of the value \param[in] val data value to be written to
234 | * register \returns 0 on success, negative in case of error
235 | */
236 | int e4k_reg_set_mask(byte reg, char mask, char val) {
237 | byte tmp = e4k_reg_read(reg);
238 |
239 | if ((tmp & mask) == val)
240 | return 0;
241 |
242 | return e4k_reg_write(reg, (tmp & ~mask) | (val & mask));
243 | }
244 |
245 | /*
246 | * ! \brief Enables / Disables the channel filter \param[in] e4k reference
247 | * to the tuner chip \param[in] on 1=filter enabled, 0=filter disabled
248 | * \returns 0 success, negative errors
249 | */
250 | int e4k_if_filter_chan_enable(boolean on) {
251 | return e4k_reg_set_mask((byte) E4K_REG_FILT3, (char) E4K_FILT3_DISABLE,
252 | (char) (on ? 0 : E4K_FILT3_DISABLE));
253 | }
254 |
255 | /*
256 | * ! \brief Initialize the E4K tuner
257 | */
258 | int e4k_init() {
259 | /* make a dummy i2c read or write command, will not be ACKed! */
260 | e4k_reg_read((byte) 0);
261 |
262 | /* Make sure we reset everything and clear POR indicator */
263 | e4k_reg_write((byte) E4K_REG_MASTER1, (byte) (E4K_MASTER1_RESET
264 | | E4K_MASTER1_NORM_STBY | E4K_MASTER1_POR_DET));
265 |
266 | /* Configure clock input */
267 | e4k_reg_write((byte) E4K_REG_CLK_INP, (byte) 0x00);
268 |
269 | /* Disable clock output */
270 | e4k_reg_write((byte) E4K_REG_REF_CLK, (byte) 0x00);
271 | e4k_reg_write((byte) E4K_REG_CLKOUT_PWDN, (byte) 0x96);
272 |
273 | /* Write some magic values into registers */
274 | magic_init();
275 | /*
276 | * #if 0 /* Set common mode voltage a bit higher for more margin 850 mv
277 | * * / e4k_commonmode_set(e4k, 4);
278 | *
279 | * /* Initialize DC offset lookup tables * /
280 | * e4k_dc_offset_gen_table(e4k);
281 | *
282 | * / * Enable time variant DC correction * / e4k_reg_write(e4k,
283 | * E4K_REG_DCTIME1, 0x01); e4k_reg_write(e4k, E4K_REG_DCTIME2, 0x01);
284 | * #endif
285 | */
286 |
287 | /* Set LNA mode to manual */
288 | e4k_reg_write((byte) E4K_REG_AGC4, 0x10); /* High threshold */
289 | e4k_reg_write((byte) E4K_REG_AGC5, 0x04); /* Low threshold */
290 | e4k_reg_write((byte) E4K_REG_AGC6, 0x1a); /* LNA calib + loop rate */
291 |
292 | e4k_reg_set_mask((byte) E4K_REG_AGC1, (char) E4K_AGC1_MOD_MASK,
293 | (char) E4K_AGC_MOD_SERIAL);
294 |
295 | /* Set Mixer Gain Control to manual */
296 | e4k_reg_set_mask((byte) E4K_REG_AGC7, (char) E4K_AGC7_MIX_GAIN_AUTO,
297 | (char) 0);
298 |
299 | /*
300 | * #if 0/* Enable LNA Gain enhancement * / e4k_reg_set_mask(e4k,
301 | * E4K_REG_AGC11, 0x7, E4K_AGC11_LNA_GAIN_ENH | (2 << 1));
302 | *
303 | * /* Enable automatic IF gain mode switching * / e4k_reg_set_mask(e4k,
304 | * E4K_REG_AGC8, 0x1, E4K_AGC8_SENS_LIN_AUTO); $infif
305 | */
306 |
307 | /* Use auto-gain as default */
308 | e4k_enable_manual_gain(false);
309 |
310 | /* Select moderate gain levels */
311 | e4k_if_gain_set((byte) 1, (byte) 6);
312 | e4k_if_gain_set(2, 0);
313 | e4k_if_gain_set(3, 0);
314 | e4k_if_gain_set(4, 0);
315 | e4k_if_gain_set(5, 9);
316 | e4k_if_gain_set(6, 9);
317 |
318 | /* Set the most narrow filter we can possibly use */
319 | // e4k_if_filter_bw_set(E4K_IF_FILTER_MIX, KHZ(1900));
320 | // e4k_if_filter_bw_set( E4K_IF_FILTER_RC, KHZ(1000));
321 | // e4k_if_filter_bw_set( E4K_IF_FILTER_CHAN, KHZ(2150));
322 | // e4k_if_filter_chan_enable(true);
323 |
324 | /* Disable time variant DC correction and LUT */
325 | e4k_reg_set_mask((byte) E4K_REG_DC5, (char) 0x03, (char) 0);
326 | e4k_reg_set_mask((byte) E4K_REG_DCTIME1, (char) 0x03, (char) 0);
327 | e4k_reg_set_mask((byte) E4K_REG_DCTIME2, (char) 0x03, (char) 0);
328 |
329 | return 0;
330 | }
331 |
332 | int find_stage_gain(byte stage, byte val) {
333 | byte[] arr;
334 | int i;
335 |
336 | if (stage >= (if_stage_gain.length))
337 | return -1;
338 |
339 | arr = if_stage_gain[stage];
340 |
341 | for (i = 0; i < if_stage_gain_len[stage]; i++) {
342 | if (arr[i] == val)
343 | return i;
344 | }
345 | return -1;
346 | }
347 |
348 | /*
349 | * ! \brief Set the gain of one of the IF gain stages \param [e4k] handle to
350 | * the tuner chip \param [stage] number of the stage (1..6) \param [value]
351 | * gain value in dB \returns 0 on success, negative in case of error
352 | */
353 | int e4k_if_gain_set(int stage, int value) {
354 | int rc;
355 | byte mask;
356 | // const struct reg_field *field;
357 |
358 | rc = find_stage_gain((byte) stage, (byte) value);
359 | if (rc < 0)
360 | return rc;
361 |
362 | /* compute the bit-mask for the given gain field */
363 | // field = if_stage_gain_regs[stage];
364 | // mask = width2mask[field.width] << field->shift;
365 |
366 | return 0;// e4k_reg_set_mask( field.reg, mask, rc << field.shift);
367 | }
368 |
369 | private int e4k_enable_manual_gain(boolean manual) {
370 | if (manual) {
371 | /* Set LNA mode to manual */
372 | e4k_reg_set_mask((byte) E4K_REG_AGC1, (char) E4K_AGC1_MOD_MASK,
373 | (char) E4K_AGC_MOD_SERIAL);
374 |
375 | /* Set Mixer Gain Control to manual */
376 | e4k_reg_set_mask((byte) E4K_REG_AGC7,
377 | (char) E4K_AGC7_MIX_GAIN_AUTO, (char) 0);
378 | } else {
379 | /* Set LNA mode to auto */
380 | e4k_reg_set_mask((byte) E4K_REG_AGC1, (char) E4K_AGC1_MOD_MASK,
381 | (char) E4K_AGC_MOD_IF_SERIAL_LNA_AUTON);
382 | /* Set Mixer Gain Control to auto */
383 | e4k_reg_set_mask((byte) E4K_REG_AGC7,
384 | (char) E4K_AGC7_MIX_GAIN_AUTO, (char) 1);
385 |
386 | e4k_reg_set_mask((byte) E4K_REG_AGC11, (char) 0x7, (char) 0);
387 | }
388 |
389 | return 0;
390 | }
391 |
392 | int unsigned_delta(int a, int b) {
393 | if (a > b)
394 | return a - b;
395 | else
396 | return b - a;
397 | }
398 |
399 | int closest_arr_idx(int arr[], int arr_size, int freq) {
400 | int i, bi = 0;
401 | int best_delta = 0xffffffff;
402 |
403 | /*
404 | * iterate over the array containing a list of the center frequencies,
405 | * selecting the closest one
406 | */
407 | for (i = 0; i < arr_size; i++) {
408 | int delta = unsigned_delta(freq, arr[i]);
409 | if (delta < best_delta) {
410 | best_delta = delta;
411 | bi = i;
412 | }
413 | }
414 |
415 | return bi;
416 | }
417 |
418 | int magic_init() {
419 | e4k_reg_write((byte) 0x7e, (byte) 0x01);
420 | e4k_reg_write((byte) 0x7f, (byte) 0xfe);
421 | e4k_reg_write((byte) 0x82, (byte) 0x00);
422 | e4k_reg_write((byte) 0x86, (byte) 0x50); /* polarity A */
423 | e4k_reg_write((byte) 0x87, (byte) 0x20);
424 | e4k_reg_write((byte) 0x88, (byte) 0x01);
425 | e4k_reg_write((byte) 0x9f, (byte) 0x7f);
426 | e4k_reg_write((byte) 0xa0, (byte) 0x07);
427 |
428 | return 0;
429 | }
430 | }
431 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/tuners/FC0012.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android.tuners;
2 |
3 | import java.io.IOException;
4 |
5 | public class FC0012 implements IRtlSdrTuner {
6 | private static final String TAG = FC0012.class.getSimpleName();
7 |
8 | @Override
9 | public int init(int param) throws IOException {
10 | // TODO Auto-generated method stub
11 | return 0;
12 | }
13 |
14 | @Override
15 | public int exit(int param) throws IOException {
16 | // TODO Auto-generated method stub
17 | return 0;
18 | }
19 |
20 | @Override
21 | public int set_freq(int param, long freq) throws IOException {
22 | // TODO Auto-generated method stub
23 | return 0;
24 | }
25 |
26 | @Override
27 | public int set_bw(int param, int bw) throws IOException {
28 | // TODO Auto-generated method stub
29 | return 0;
30 | }
31 |
32 | @Override
33 | public int set_gain(int param, int gain) throws IOException {
34 | // TODO Auto-generated method stub
35 | return 0;
36 | }
37 |
38 | @Override
39 | public int set_if_gain(int param, int stage, int gain) throws IOException {
40 | // TODO Auto-generated method stub
41 | return 0;
42 | }
43 |
44 | @Override
45 | public int set_gain_mode(int param, boolean manual) throws IOException {
46 | // TODO Auto-generated method stub
47 | return 0;
48 | }
49 |
50 | }
51 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/tuners/FC0013.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android.tuners;
2 |
3 | import java.io.IOException;
4 |
5 | import android.util.Log;
6 |
7 | import com.rtlsdr.android.SdrSerialDriver;
8 |
9 | public class FC0013 implements IRtlSdrTuner {
10 | private static final String TAG = FC0013.class.getSimpleName();
11 | final int FC0013_I2C_ADDR = 0xc6;
12 | final int FC0013_CHECK_ADDR = 0x00;
13 | final int FC0013_CHECK_VAL = 0xa3;
14 | int[] fc0013_lna_gains = { -99, 0x02, -73, 0x03, -65, 0x05, -63, 0x04, -63,
15 | 0x00, -60, 0x07, -58, 0x01, -54, 0x06, 58, 0x0f, 61, 0x0e, 63,
16 | 0x0d, 65, 0x0c, 67, 0x0b, 68, 0x0a, 70, 0x09, 71, 0x08, 179, 0x17,
17 | 181, 0x16, 182, 0x15, 184, 0x14, 186, 0x13, 188, 0x12, 191, 0x11,
18 | 197, 0x10 };
19 |
20 | @Override
21 | public int init(int param) throws IOException {
22 | fc0013_init();
23 | return 0;
24 | }
25 |
26 | @Override
27 | public int exit(int param) throws IOException {
28 | // TODO Auto-generated method stub
29 | return 0;
30 | }
31 |
32 | @Override
33 | public int set_freq(int param, long freq) throws IOException {
34 | return fc0013_set_params((int) freq, 6000000);
35 | }
36 |
37 | @Override
38 | public int set_bw(int param, int bw) throws IOException {
39 | // TODO Auto-generated method stub
40 | return 0;
41 | }
42 |
43 | @Override
44 | public int set_gain(int param, int gain) throws IOException {
45 | return fc0013_set_lna_gain(gain);
46 | }
47 |
48 | @Override
49 | public int set_if_gain(int param, int stage, int gain) throws IOException {
50 | // TODO Auto-generated method stub
51 | return 0;
52 | }
53 |
54 | @Override
55 | public int set_gain_mode(int param, boolean manual) throws IOException {
56 | return fc0013_set_gain_mode(manual);
57 |
58 | }
59 |
60 | private int fc0013_writereg(byte reg, byte val) {
61 | byte[] data = new byte[2];
62 | data[0] = reg;
63 | data[1] = val;
64 |
65 | if (SdrSerialDriver.rtlsdr_i2c_write_fn((byte) FC0013_I2C_ADDR, data,
66 | (byte) 2) < 0)
67 | return -1;
68 |
69 | return 0;
70 | }
71 |
72 | private int fc0013_readreg(byte reg, byte[] val) {
73 | byte[] data = new byte[2];
74 | data[0] = reg;
75 |
76 | if (SdrSerialDriver.rtlsdr_i2c_write_fn((byte) FC0013_I2C_ADDR, data,
77 | (byte) 1) < 0)
78 | return -1;
79 |
80 | if (SdrSerialDriver.rtlsdr_i2c_read_fn((byte) FC0013_I2C_ADDR, data,
81 | (byte) 1) < 0)
82 | return -1;
83 |
84 | val[0] = data[0];
85 |
86 | return 0;
87 | }
88 |
89 | int fc0013_set_gain_mode(boolean manual) {
90 | int ret = 0;
91 | byte[] tmp = new byte[2];
92 |
93 | ret |= fc0013_readreg((byte) 0x0d, tmp);
94 |
95 | if (manual)
96 | tmp[0] |= (1 << 3);
97 | else
98 | tmp[0] &= ~(1 << 3);
99 |
100 | ret |= fc0013_writereg((byte) 0x0d, tmp[0]);
101 |
102 | /* set a fixed IF-gain for now */
103 | ret |= fc0013_writereg((byte) 0x13, (byte) 0x0a);
104 |
105 | return ret;
106 | }
107 |
108 | int fc0013_init() {
109 | int ret = 0;
110 | int i;
111 | byte[] reg = { 0x00, /* reg. 0x00: dummy */
112 | 0x09, /* reg. 0x01 */
113 | 0x16, /* reg. 0x02 */
114 | 0x00, /* reg. 0x03 */
115 | 0x00, /* reg. 0x04 */
116 | 0x17, /* reg. 0x05 */
117 | 0x02, /* reg. 0x06: LPF bandwidth */
118 | 0x0a, /* reg. 0x07: CHECK */
119 | (byte) 0xff, /*
120 | * reg. 0x08: AGC Clock divide by 256, AGC gain 1/256, Loop
121 | * Bw 1/8
122 | */
123 | 0x6e, /* reg. 0x09: Disable LoopThrough, Enable LoopThrough: 0x6f */
124 | (byte) 0xb8, /* reg. 0x0a: Disable LO Test Buffer */
125 | (byte) 0x82, /* reg. 0x0b: CHECK */
126 | (byte) 0xfc, /* reg. 0x0c: depending on AGC Up-Down mode, may need 0xf8 */
127 | 0x01, /* reg. 0x0d: AGC Not Forcing & LNA Forcing, may need 0x02 */
128 | 0x00, /* reg. 0x0e */
129 | 0x00, /* reg. 0x0f */
130 | 0x00, /* reg. 0x10 */
131 | 0x00, /* reg. 0x11 */
132 | 0x00, /* reg. 0x12 */
133 | 0x00, /* reg. 0x13 */
134 | 0x50, /*
135 | * reg. 0x14: DVB-t High Gain, UHF. Middle Gain: 0x48, Low Gain:
136 | * 0x40
137 | */
138 | 0x01, /* reg. 0x15 */
139 | };
140 | /*
141 | * #if 0 switch (rtlsdr_get_tuner_clock(dev)) { case FC_XTAL_27_MHZ:
142 | * case FC_XTAL_28_8_MHZ: reg[0x07] |= 0x20; break; case FC_XTAL_36_MHZ:
143 | * default: break; } #endif
144 | */
145 | reg[0x07] |= 0x20;
146 |
147 | // if (dev->dual_master)
148 | reg[0x0c] |= 0x02;
149 |
150 | for (i = 1; i < reg.length; i++) {
151 | ret = fc0013_writereg((byte) i, reg[i]);
152 | if (ret < 0)
153 | break;
154 | }
155 |
156 | return ret;
157 | }
158 |
159 | int fc0013_set_lna_gain(int gain) {
160 | int ret = 0;
161 | int i;
162 | byte[] tmp = new byte[1];
163 |
164 | ret |= fc0013_readreg((byte) 0x14, tmp);
165 |
166 | /* mask bits off */
167 | tmp[0] &= 0xe0;
168 |
169 | for (i = 0; i < fc0013_lna_gains.length / 2; i++) {
170 | if ((fc0013_lna_gains[i * 2] >= gain)
171 | || (i + 1 == (fc0013_lna_gains.length / 2))) {
172 | tmp[0] |= fc0013_lna_gains[i * 2 + 1];
173 | break;
174 | }
175 | }
176 |
177 | /* set gain */
178 | ret |= fc0013_writereg((byte) 0x14, tmp[0]);
179 |
180 | return ret;
181 | }
182 |
183 | int fc0013_set_params(int freq, int bandwidth) {
184 | int i, ret = 0;
185 | char[] reg = new char[7];
186 | byte am, pm, multi;
187 | long f_vco;
188 | int xtal_freq_div_2;
189 | char xin, xdiv;
190 | boolean vco_select = false;
191 | byte[] tmp = new byte[1];
192 |
193 | xtal_freq_div_2 = SdrSerialDriver.rtlsdr_get_tuner_clock() / 2;
194 |
195 | /* set VHF track */
196 | ret = fc0013_set_vhf_track(freq);
197 | if (ret < 0)
198 | return -1;
199 |
200 | if (freq < 300000000) {
201 | /* enable VHF filter */
202 | ret = fc0013_readreg((byte) 0x07, tmp);
203 | if (ret < 0)
204 | return -1;
205 | ret = fc0013_writereg((byte) 0x07, (byte) (tmp[0] | 0x10));
206 | if (ret < 0)
207 | return -1;
208 |
209 | /* disable UHF & disable GPS */
210 | ret = fc0013_readreg((byte) 0x14, tmp);
211 | if (ret < 0)
212 | return -1;
213 | ret = fc0013_writereg((byte) 0x14, (byte) (tmp[0] & 0x1f));
214 | if (ret < 0)
215 | return -1;
216 | } else if (freq <= 862000000) {
217 | /* disable VHF filter */
218 | ret = fc0013_readreg((byte) 0x07, tmp);
219 | if (ret < 0)
220 | return -1;
221 | ret = fc0013_writereg((byte) 0x07, (byte) (tmp[0] & 0xef));
222 | if (ret < 0)
223 | return -1;
224 | ;
225 |
226 | /* enable UHF & disable GPS */
227 | ret = fc0013_readreg((byte) 0x14, tmp);
228 | if (ret < 0)
229 | return -1;
230 | ;
231 | ret = fc0013_writereg((byte) 0x14, (byte) ((tmp[0] & 0x1f) | 0x40));
232 | if (ret < 0)
233 | return -1;
234 | ;
235 | } else {
236 | /* disable VHF filter */
237 | ret = fc0013_readreg((byte) 0x07, tmp);
238 | if (ret < 0)
239 | return -1;
240 | ret = fc0013_writereg((byte) 0x07, (byte) (tmp[0] & 0xef));
241 | if (ret < 0)
242 | return -1;
243 |
244 | /* disable UHF & enable GPS */
245 | ret = fc0013_readreg((byte) 0x14, tmp);
246 | if (ret < 0)
247 | return -1;
248 | ;
249 | ret = fc0013_writereg((byte) 0x14, (byte) ((tmp[0] & 0x1f) | 0x20));
250 | if (ret < 0)
251 | return -1;
252 | ;
253 | }
254 |
255 | /* select frequency divider and the frequency of VCO */
256 | if (freq < 37084000) { /* freq * 96 < 3560000000 */
257 | multi = 96;
258 | reg[5] = (char) 0x82;
259 | reg[6] = 0x00;
260 | } else if (freq < 55625000) { /* freq * 64 < 3560000000 */
261 | multi = 64;
262 | reg[5] = 0x02;
263 | reg[6] = 0x02;
264 | } else if (freq < 74167000) { /* freq * 48 < 3560000000 */
265 | multi = 48;
266 | reg[5] = 0x42;
267 | reg[6] = 0x00;
268 | } else if (freq < 111250000) { /* freq * 32 < 3560000000 */
269 | multi = 32;
270 | reg[5] = (char) 0x82;
271 | reg[6] = 0x02;
272 | } else if (freq < 148334000) { /* freq * 24 < 3560000000 */
273 | multi = 24;
274 | reg[5] = 0x22;
275 | reg[6] = 0x00;
276 | } else if (freq < 222500000) { /* freq * 16 < 3560000000 */
277 | multi = 16;
278 | reg[5] = 0x42;
279 | reg[6] = 0x02;
280 | } else if (freq < 296667000) { /* freq * 12 < 3560000000 */
281 | multi = 12;
282 | reg[5] = 0x12;
283 | reg[6] = 0x00;
284 | } else if (freq < 445000000) { /* freq * 8 < 3560000000 */
285 | multi = 8;
286 | reg[5] = 0x22;
287 | reg[6] = 0x02;
288 | } else if (freq < 593334000) { /* freq * 6 < 3560000000 */
289 | multi = 6;
290 | reg[5] = 0x0a;
291 | reg[6] = 0x00;
292 | } else if (freq < 950000000) { /* freq * 4 < 3800000000 */
293 | multi = 4;
294 | reg[5] = 0x12;
295 | reg[6] = 0x02;
296 | } else {
297 | multi = 2;
298 | reg[5] = 0x0a;
299 | reg[6] = 0x02;
300 | }
301 |
302 | f_vco = freq * multi;
303 |
304 | if (f_vco >= 3060000000L) {
305 | reg[6] |= 0x08;
306 | vco_select = true;
307 | }
308 |
309 | /* From divided value (XDIV) determined the FA and FP value */
310 | xdiv = (char) (f_vco / xtal_freq_div_2);
311 | if ((f_vco - xdiv * xtal_freq_div_2) >= (xtal_freq_div_2 / 2))
312 | xdiv++;
313 |
314 | pm = (byte) (xdiv / 8);
315 | am = (byte) (xdiv - (8 * pm));
316 |
317 | if (am < 2) {
318 | am += 8;
319 | pm--;
320 | }
321 |
322 | if (pm > 31) {
323 | reg[1] = (char) (am + (8 * (pm - 31)));
324 | reg[2] = 31;
325 | } else {
326 | reg[1] = (char) am;
327 | reg[2] = (char) pm;
328 | }
329 |
330 | if ((reg[1] > 15) || (reg[2] < 0x0b)) {
331 | Log.e("TAG", "[FC0013] no valid PLL combination found for " + freq
332 | + " HZ!");
333 | return -1;
334 | }
335 |
336 | /* fix clock out */
337 | reg[6] |= 0x20;
338 |
339 | /*
340 | * From VCO frequency determines the XIN ( fractional part of Delta
341 | * Sigma PLL) and divided value (XDIV)
342 | */
343 | xin = (char) ((f_vco - (f_vco / xtal_freq_div_2) * xtal_freq_div_2) / 1000);
344 | xin = (char) ((xin << 15) / (xtal_freq_div_2 / 1000));
345 | if (xin >= 16384)
346 | xin += 32768;
347 |
348 | reg[3] = (char) (xin >> 8);
349 | reg[4] = (char) (xin & 0xff);
350 |
351 | reg[6] &= 0x3f; /* bits 6 and 7 describe the bandwidth */
352 | switch (bandwidth) {
353 | case 6000000:
354 | reg[6] |= 0x80;
355 | break;
356 | case 7000000:
357 | reg[6] |= 0x40;
358 | break;
359 | case 8000000:
360 | default:
361 | break;
362 | }
363 |
364 | /* modified for Realtek demod */
365 | reg[5] |= 0x07;
366 |
367 | for (i = 1; i <= 6; i++) {
368 | ret = fc0013_writereg((byte) i, (byte) reg[i]);
369 | if (ret < 0)
370 | return -1;
371 | }
372 |
373 | ret = fc0013_readreg((byte) 0x11, tmp);
374 | if (ret < 0)
375 | return -1;
376 | if (multi == 64)
377 | ret = fc0013_writereg((byte) 0x11, (byte) (tmp[0] | 0x04));
378 | else
379 | ret = fc0013_writereg((byte) 0x11, (byte) (tmp[0] & 0xfb));
380 | if (ret < 0)
381 | return -1;
382 |
383 | /* VCO Calibration */
384 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x80);
385 | if (ret != 0)
386 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x00);
387 |
388 | /* VCO Re-Calibration if needed */
389 | if (ret != 0)
390 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x00);
391 |
392 | if (ret != 0) {
393 | // msleep(10);
394 | ret = fc0013_readreg((byte) 0x0e, tmp);
395 | }
396 | if (ret < 0)
397 | return -1;
398 |
399 | /* vco selection */
400 | tmp[0] &= 0x3f;
401 |
402 | if (vco_select) {
403 | if (tmp[0] > 0x3c) {
404 | reg[6] &= ~0x08;
405 | ret = fc0013_writereg((byte) 0x06, (byte) reg[6]);
406 | if (ret != 0)
407 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x80);
408 | if (ret != 0)
409 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x00);
410 | }
411 | } else {
412 | if (tmp[0] < 0x02) {
413 | reg[6] |= 0x08;
414 | ret = fc0013_writereg((byte) 0x06, (byte) reg[6]);
415 | if (ret != 0)
416 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x80);
417 | if (ret != 0)
418 | ret = fc0013_writereg((byte) 0x0e, (byte) 0x00);
419 | }
420 | }
421 |
422 | // exit:
423 | return ret;
424 | }
425 |
426 | private int fc0013_set_vhf_track(int freq) {
427 | int ret;
428 |
429 | byte[] tmp = new byte[1];
430 |
431 | ret = fc0013_readreg((byte) 0x1d, tmp);
432 | if (ret != 0)
433 | return -1;
434 | tmp[0] &= 0xe3;
435 | if (freq <= 177500000) { /* VHF Track: 7 */
436 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x1c));
437 | } else if (freq <= 184500000) { /* VHF Track: 6 */
438 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x18));
439 | } else if (freq <= 191500000) { /* VHF Track: 5 */
440 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x14));
441 | } else if (freq <= 198500000) { /* VHF Track: 4 */
442 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x10));
443 | } else if (freq <= 205500000) { /* VHF Track: 3 */
444 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x0c));
445 | } else if (freq <= 219500000) { /* VHF Track: 2 */
446 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x08));
447 | } else if (freq < 300000000) { /* VHF Track: 1 */
448 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x04));
449 | } else { /* UHF and GPS */
450 | ret = fc0013_writereg((byte) 0x1d, (byte) (tmp[0] | 0x1c));
451 | }
452 |
453 | // error_out:
454 | return ret;
455 | }
456 | }
457 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/tuners/FC2580.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android.tuners;
2 |
3 | import java.io.IOException;
4 |
5 | public class FC2580 implements IRtlSdrTuner {
6 |
7 | @Override
8 | public int init(int param) throws IOException {
9 | // TODO Auto-generated method stub
10 | return 0;
11 | }
12 |
13 | @Override
14 | public int exit(int param) throws IOException {
15 | // TODO Auto-generated method stub
16 | return 0;
17 | }
18 |
19 | @Override
20 | public int set_freq(int param, long freq) throws IOException {
21 | // TODO Auto-generated method stub
22 | return 0;
23 | }
24 |
25 | @Override
26 | public int set_bw(int param, int bw) throws IOException {
27 | // TODO Auto-generated method stub
28 | return 0;
29 | }
30 |
31 | @Override
32 | public int set_gain(int param, int gain) throws IOException {
33 | // TODO Auto-generated method stub
34 | return 0;
35 | }
36 |
37 | @Override
38 | public int set_if_gain(int param, int stage, int gain) throws IOException {
39 | // TODO Auto-generated method stub
40 | return 0;
41 | }
42 |
43 | @Override
44 | public int set_gain_mode(int param, boolean manual) throws IOException {
45 | // TODO Auto-generated method stub
46 | return 0;
47 | }
48 |
49 | }
50 |
--------------------------------------------------------------------------------
/src/com/rtlsdr/android/tuners/IRtlSdrTuner.java:
--------------------------------------------------------------------------------
1 | package com.rtlsdr.android.tuners;
2 |
3 | import java.io.IOException;
4 |
5 | public interface IRtlSdrTuner {
6 | int init(int param) throws IOException;
7 |
8 | int exit(int param) throws IOException;
9 |
10 | int set_freq(int param, long freq /* Hz */) throws IOException;
11 |
12 | int set_bw(int param, int bw /* Hz */) throws IOException;
13 |
14 | int set_gain(int param, int gain /* tenth dB */) throws IOException;
15 |
16 | int set_if_gain(int param, int stage, int gain /* tenth dB */)
17 | throws IOException;
18 |
19 | int set_gain_mode(int param, boolean manual) throws IOException;
20 | }
21 |
--------------------------------------------------------------------------------