├── README.md ├── access_point_if_no_wifi ├── arduino_sketch ├── .gitignore ├── ino.ini ├── lib │ └── .holder └── src │ └── sketch.ino ├── audio ├── .mkdir ├── busy.mp3 ├── button.mp3 ├── close_the_door.mp3 ├── finished.mp3 ├── not_found.mp3 ├── ok1.mp3 ├── ok2.mp3 ├── ok3.mp3 ├── ready1.mp3 ├── ready2.mp3 ├── ready3.mp3 ├── ready4.mp3 ├── seriously.mp3 ├── start.mp3 ├── startup.mp3 ├── stir.mp3 └── stop.mp3 ├── barcode_instructions ├── .gitignore ├── Gemfile ├── Gemfile.lock ├── barcode_instructions.rb ├── bin │ └── mw_barcode_instructions ├── config.yml.example └── lib │ ├── microwave.rb │ ├── microwave │ ├── barcode_scanner.rb │ └── cooking_step.rb │ └── microwave_cooking_db.rb ├── clock └── bin │ └── mw_set_clock ├── init_scripts ├── mw_access_point ├── mw_barcode_instructions ├── mw_daemon ├── mw_set_clock ├── mw_startup_sound ├── mw_voice_control ├── mw_web_app └── piglow_cpu ├── microwave_daemon ├── .gitignore ├── bin │ └── mw_daemon ├── daemon.rb ├── ext │ └── microwave │ │ ├── extconf.rb │ │ └── microwave.c ├── lib │ ├── audio_player.rb │ ├── client.rb │ └── serial_microwave.rb └── mwtest.rb ├── scripts └── setup_audio ├── setup_bin_and_init ├── sinatra_app ├── .bundle │ └── config ├── .gitignore ├── Gemfile ├── Gemfile.lock ├── bin │ └── mw_web_app ├── microwave_webapp.rb ├── public │ ├── Raspberry_Pi_Logo.png │ ├── application.css │ ├── application.js │ ├── jquery-1.10.1.min.js │ └── touchpad-background.jpg └── views │ └── touchpad.erb ├── uart_test ├── .bundle │ └── config ├── Gemfile ├── Gemfile.lock └── uart_test.rb └── voice_control ├── .gitignore ├── bin └── mw_voice_control ├── corpus.txt ├── install_pocketsphinx.sh ├── lmtool ├── 4906.dic ├── 4906.lm ├── 4906.log_pronounce ├── 4906.sent ├── 4906.vocab └── TAR4906.tgz ├── pocketsphinx_microwave.c └── voice_control.rb /README.md: -------------------------------------------------------------------------------- 1 | # Raspberry Pi-crowave 2 | 3 | I put a Raspberry Pi in my microwave. 4 | 5 | Now my microwave has: 6 | 7 | * Re-designed UI 8 | * Nicer sound effects 9 | * Clock is automatically updated from the internet 10 | * Voice control 11 | * Barcode-scanner to look up cooking instructions 12 | * Online database of cooking instructions at http://www.microwavecookingdb.com 13 | * Web page so you can control the microwave from your phone, and set up cooking instructions for products 14 | * Tweets after finished cooking 15 | -------------------------------------------------------------------------------- /access_point_if_no_wifi: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # 3 | # Interface checker 4 | # Checks to see whether interface has an IP address, if it doesn't assume it's down and start hostapd 5 | # Author : SirLagz 6 | # 7 | Interface='wlan0' 8 | HostAPDIP='192.168.42.1' 9 | echo "-----------------------------------" 10 | echo "Checking connectivity of $Interface" 11 | NetworkUp=`/sbin/ifconfig $Interface` 12 | IP=`echo "$NetworkUp" | grep inet | wc -l` 13 | if [[ $IP -eq 0 ]]; then 14 | echo "Connection is down" 15 | hostapd=`pidof hostapd` 16 | if [[ -z $hostapd ]]; then 17 | # If there are any more actions required when the interface goes down, add them here 18 | echo "Attempting to start hostapd" 19 | /etc/init.d/hostapd start 20 | echo "Attempting to start dnsmasq" 21 | /etc/init.d/dnsmasq start 22 | echo "Setting IP Address for wlan0" 23 | /sbin/ifconfig wlan0 $HostAPDIP netmask 255.255.255.0 up 24 | fi 25 | elif [[ $IP -eq 1 && $NetworkUp =~ $HostAPDIP ]]; then 26 | echo "IP is $HostAPDIP - hostapd is running" 27 | else 28 | echo "Connection is up" 29 | hostapd=`pidof hostapd` 30 | if [[ ! -z $hostapd ]]; then 31 | echo "Attempting to stop hostapd" 32 | /etc/init.d/hostapd stop 33 | echo "Attempting to stop dnsmasq" 34 | /etc/init.d/udhcpd stop 35 | echo "Renewing IP Address for $Interface" 36 | /sbin/dhclient wlan0 37 | fi 38 | fi 39 | echo "-----------------------------------" 40 | -------------------------------------------------------------------------------- /arduino_sketch/.gitignore: -------------------------------------------------------------------------------- 1 | .build 2 | -------------------------------------------------------------------------------- /arduino_sketch/ino.ini: -------------------------------------------------------------------------------- 1 | [build] 2 | board-model = nano328 3 | 4 | [upload] 5 | board-model = nano328 -------------------------------------------------------------------------------- /arduino_sketch/lib/.holder: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ndbroadbent/raspberry_picrowave/5b762bb7905d54544557618ce6c6ed6c34e72605/arduino_sketch/lib/.holder -------------------------------------------------------------------------------- /arduino_sketch/src/sketch.ino: -------------------------------------------------------------------------------- 1 | #define DEBUG false 2 | #define SERIAL_TIMEOUT 1000 3 | #define VOICE_COMMAND_TIMEOUT 10000 // Allow voice commands up to 10 seconds after the door closes 4 | 5 | #define scanDataPin 2 6 | #define scanLatchPin 3 7 | #define scanClockPin 4 8 | 9 | #define inputDataPin 7 10 | #define inputLatchPin 6 11 | #define inputClockPin 5 12 | 13 | #define outputDataPin 8 14 | #define outputLatchPin 9 15 | #define outputClockPin 10 16 | 17 | #define btn0 0 18 | #define btn1 1 19 | #define btn2 2 20 | #define btn3 3 21 | #define btn4 4 22 | #define btn5 5 23 | #define btn6 6 24 | #define btn7 7 25 | #define btn8 8 26 | #define btn9 9 27 | #define btnWeightDefrost 10 28 | #define btnJetDefrost 11 29 | #define btnPreset 12 30 | #define btnTime 13 31 | #define btnExpress 14 32 | #define btnCancel 15 33 | #define btnPower 16 34 | #define btnMemory 17 35 | #define btnClock 18 36 | #define btnStart 19 37 | 38 | #define newBtnHigh10s 1 39 | #define newBtnHigh20s 2 40 | #define newBtnHigh30s 3 41 | #define newBtnHigh1m 4 42 | #define newBtnHigh2m 5 43 | #define newBtnMed10s 6 44 | #define newBtnMed20s 7 45 | #define newBtnMed30s 8 46 | #define newBtnMed1m 9 47 | #define newBtnMed2m 0 48 | #define newBtnStart 10 49 | #define newBtnStop 11 50 | #define newBtn10s 12 51 | #define newBtn10m 13 52 | #define newBtnMed 14 53 | #define newBtnDefrost 15 54 | #define newBtn1s 16 55 | #define newBtn1m 17 56 | #define newBtnHigh 18 57 | #define newBtnLow 19 58 | 59 | #define doorSwitch B01000000 60 | #define buttonMask B00111111 61 | 62 | const int MAX_SECONDS = 5999; // (99 * 60) + 59 63 | const int POWER_HIGH = 10; 64 | const int POWER_MEDIUM = 7; 65 | const int POWER_LOW = 5; 66 | const int POWER_DEFROST = 3; 67 | const int POWER_ZERO = 0; 68 | 69 | // btnMatrix[VCC Pin][GND Pin] 70 | int btnMatrix[6][6] = { 71 | {-1, -1, -1, -1, -1, 19}, 72 | {-1, 0, 1, 2, 3, -1}, 73 | {-1, 4, 5, 6, 7, -1}, 74 | {10, 8, 9, 12, 15, -1}, 75 | {-1, 13, 18, 11, 16, -1}, 76 | {17, -1, 14, -1, -1, -1} 77 | }; 78 | 79 | char btnNames[][15] = { 80 | "0", 81 | "1", 82 | "2", 83 | "3", 84 | "4", 85 | "5", 86 | "6", 87 | "7", 88 | "8", 89 | "9", 90 | "Weight Defrost", 91 | "Jet Defrost", 92 | "Pre-set", 93 | "Time", 94 | "Express", 95 | "Cancel", 96 | "Power", 97 | "Memory", 98 | "Clock", 99 | "Start" 100 | }; 101 | 102 | byte inputByte, buttonByte, scanMask; 103 | int currentButton = -1; 104 | int lastButton = -1; 105 | int lastPushedButton = -1; 106 | bool on = false; 107 | bool paused = false; 108 | bool doorOpen = false; 109 | bool pendingStart = false; 110 | bool commandFromVoice = false; 111 | int currentPower = 0; 112 | int currentTime = 0; 113 | 114 | char serCommand, serParams; 115 | char infoString[18]; 116 | 117 | unsigned long serialTimer, buttonTimer, countdownTimer, doorTimer; 118 | 119 | void setup() { 120 | //start serial 121 | Serial.begin(9600); 122 | 123 | //define pin modes 124 | pinMode(scanDataPin, OUTPUT); 125 | pinMode(scanLatchPin, OUTPUT); 126 | pinMode(scanClockPin, OUTPUT); 127 | 128 | pinMode(inputDataPin, INPUT); 129 | pinMode(inputLatchPin, OUTPUT); 130 | pinMode(inputClockPin, OUTPUT); 131 | 132 | pinMode(outputDataPin, OUTPUT); 133 | pinMode(outputLatchPin, OUTPUT); 134 | pinMode(outputClockPin, OUTPUT); 135 | } 136 | 137 | void loop() { 138 | commandFromVoice = false; 139 | 140 | while (Serial.available() > 0) { 141 | /* Serial API 142 | * 143 | * To start microwave for 2 minutes on high, send the following commands: plht120;s 144 | * (power level high, time 120s, start) 145 | * 146 | */ 147 | serCommand = Serial.read(); 148 | switch (serCommand) { 149 | // Voice - indicates that the following commands come from speech recognition without keywords. 150 | // Only run the commands if the microwave door was recently closed 151 | case 'v': 152 | if (DEBUG) { Serial.println("Voice command!"); } 153 | commandFromVoice = true; 154 | break; 155 | 156 | // Button | bc => Push Cancel button 157 | case 'b': 158 | if (waitForSerial()) { 159 | serParams = Serial.read(); 160 | switch (serParams) { 161 | case '0': pushButton(btn0); break; 162 | case '1': pushButton(btn1); break; 163 | case '2': pushButton(btn2); break; 164 | case '3': pushButton(btn3); break; 165 | case '4': pushButton(btn4); break; 166 | case '5': pushButton(btn5); break; 167 | case '6': pushButton(btn6); break; 168 | case '7': pushButton(btn7); break; 169 | case '8': pushButton(btn8); break; 170 | case '9': pushButton(btn9); break; 171 | case 'w': pushButton(btnWeightDefrost); break; 172 | case 'j': pushButton(btnJetDefrost); break; 173 | case 'r': pushButton(btnPreset); break; 174 | case 't': pushButton(btnTime); break; 175 | case 'e': pushButton(btnExpress); break; 176 | case 'c': pushButton(btnCancel); break; 177 | case 'p': pushButton(btnPower); break; 178 | case 'm': pushButton(btnMemory); break; 179 | case 'l': pushButton(btnClock); break; 180 | case 's': pushButton(btnStart); break; 181 | } 182 | } 183 | break; 184 | 185 | case 'i': 186 | // Return info about microwave status 187 | sprintf(infoString, "%d;%d;%d;%d;%d", 188 | on ? 1 : 0, 189 | paused ? 1 : 0, 190 | doorOpen ? 1 : 0, 191 | currentPower, 192 | currentTime 193 | ); 194 | Serial.println(infoString); 195 | break; 196 | 197 | // Clock | c1135 => Set clock to 11:35 198 | case 'c': 199 | if (waitForSerial()) { 200 | setClock(Serial.parseInt()); 201 | } 202 | break; 203 | 204 | // Time | t90; => Set time to 90 seconds 205 | case 't': 206 | if (waitForSerial() && voiceCommandAllowed()) { 207 | setTime(Serial.parseInt()); 208 | } 209 | break; 210 | 211 | // Power (integer or level) 212 | // Integer: pi6; => Set power to 6 213 | // Level: plh => Set power to high (10) 214 | case 'p': 215 | if (waitForSerial() && voiceCommandAllowed()) { 216 | serParams = Serial.read(); 217 | 218 | if (serParams == 'i') { 219 | // Power integer 220 | setPower(Serial.parseInt()); 221 | 222 | } else if (serParams == 'l') { 223 | // Power level 224 | if (waitForSerial()) { 225 | serParams = Serial.read(); 226 | switch (serParams) { 227 | case 'h': setPower(POWER_HIGH); break; 228 | case 'm': setPower(POWER_MEDIUM); break; 229 | case 'l': setPower(POWER_LOW); break; 230 | case 'd': setPower(POWER_DEFROST); break; 231 | case 'o': setPower(POWER_ZERO); break; 232 | } 233 | } 234 | } 235 | } 236 | break; 237 | 238 | // Start 239 | case 's': 240 | if (voiceCommandAllowed()) { 241 | start(); 242 | } 243 | break; 244 | 245 | // Stop 246 | case 'S': 247 | if (voiceCommandAllowed()) { 248 | stop(); 249 | } 250 | break; 251 | 252 | // Pause 253 | case 'P': 254 | pause(); 255 | break; 256 | } 257 | if (commandFromVoice) { 258 | if (! waitForSerial()) { 259 | if (DEBUG) { Serial.println("Voice command over."); } 260 | } 261 | } 262 | } 263 | 264 | inputByte = 0; 265 | 266 | for (scanMask = B00000010; scanMask <= B01000000; scanMask <<= 1) { 267 | digitalWrite(scanLatchPin, LOW); 268 | shiftOut(scanDataPin, scanClockPin, MSBFIRST, scanMask); 269 | digitalWrite(scanLatchPin, HIGH); 270 | 271 | // Ignore first bit (floating) 272 | inputByte = shiftIn(inputDataPin, inputClockPin, inputLatchPin) & B01111111; 273 | 274 | // 1 = closed, 0 = open 275 | if (!(inputByte & doorSwitch)) { 276 | // Stop if door is opened 277 | if (on) { stop(); } 278 | if (!doorOpen) { 279 | if (DEBUG) { Serial.println("Door is now open."); } 280 | doorOpen = true; 281 | } 282 | } else { 283 | // Set door state if door is now closed 284 | if (doorOpen) { 285 | if (DEBUG) { Serial.println("Door is now closed."); } 286 | doorOpen = false; 287 | doorTimer = millis(); // Allow voice commands up to 7 seconds after door was closed 288 | 289 | // Check to see if start was pressed while door was open 290 | // If so, start the microwave now. 291 | if (pendingStart) { start(); } 292 | } 293 | } 294 | 295 | buttonByte = inputByte & buttonMask; 296 | 297 | if (buttonByte != 0) { 298 | currentButton = pressedButton(scanMask, buttonByte); 299 | 300 | if (currentButton != -1 && currentButton != lastButton) { 301 | switch (currentButton) { 302 | case newBtnHigh10s: quickStart(10, POWER_HIGH); break; 303 | case newBtnHigh20s: quickStart(20, POWER_HIGH); break; 304 | case newBtnHigh30s: quickStart(30, POWER_HIGH); break; 305 | case newBtnHigh1m: quickStart(60, POWER_HIGH); break; 306 | case newBtnHigh2m: quickStart(120, POWER_HIGH); break; 307 | case newBtnMed10s: quickStart(10, POWER_MEDIUM); break; 308 | case newBtnMed20s: quickStart(20, POWER_MEDIUM); break; 309 | case newBtnMed30s: quickStart(30, POWER_MEDIUM); break; 310 | case newBtnMed1m: quickStart(60, POWER_MEDIUM); break; 311 | case newBtnMed2m: quickStart(120, POWER_MEDIUM); break; 312 | case newBtn10s: incrementTime(10); break; 313 | case newBtn10m: incrementTime(600); break; 314 | case newBtn1s: incrementTime(1); break; 315 | case newBtn1m: incrementTime(60); break; 316 | // Can't set power while microwave is on 317 | case newBtnHigh: if (!on) { setPower(POWER_HIGH); }; break; 318 | case newBtnMed: if (!on) { setPower(POWER_MEDIUM); }; break; 319 | case newBtnLow: if (!on) { setPower(POWER_LOW); }; break; 320 | case newBtnDefrost: if (!on) { setPower(POWER_DEFROST); }; break; 321 | case newBtnStart: start(); break; 322 | case newBtnStop: stop(); break; 323 | } 324 | 325 | lastButton = currentButton; 326 | } 327 | 328 | buttonTimer = millis(); 329 | } else { 330 | // Debounce buttons with 100ms delay 331 | if (lastButton != -1 && millis() - 100 > buttonTimer) { 332 | lastButton = -1; 333 | buttonTimer = 0; 334 | } 335 | } 336 | } 337 | 338 | if (on) { 339 | // Decrement time counter every 1000ms 340 | if (millis() - 1000 > countdownTimer) { 341 | countdownTimer = millis(); 342 | currentTime -= 1; 343 | if (currentTime <= 0) { 344 | stop(); 345 | } 346 | } 347 | } 348 | } 349 | 350 | bool waitForSerial() { 351 | serialTimer = millis(); 352 | while(!Serial.available()) { 353 | if (millis() - serialTimer > SERIAL_TIMEOUT) { 354 | return false; 355 | } 356 | } 357 | return true; 358 | } 359 | 360 | // Check voice commands 361 | bool voiceCommandAllowed() { 362 | if (commandFromVoice) { 363 | return millis() - VOICE_COMMAND_TIMEOUT < doorTimer; 364 | } 365 | return true; 366 | } 367 | 368 | byte shiftIn(int dataPin, int clockPin, int latchPin) { 369 | int i; 370 | int tmp = 0; 371 | byte dataIn = 0; 372 | 373 | digitalWrite(latchPin, HIGH); 374 | delayMicroseconds(20); 375 | digitalWrite(latchPin, LOW); 376 | 377 | for (i = 7; i >= 0; i--) { 378 | digitalWrite(clockPin, LOW); 379 | delayMicroseconds(2); 380 | tmp = digitalRead(dataPin); 381 | if (tmp) { 382 | dataIn = dataIn | (1 << i); 383 | } 384 | digitalWrite(clockPin, HIGH); 385 | } 386 | 387 | return dataIn; 388 | } 389 | 390 | // If multiple buttons are pressed, this 391 | // function just returns the first detected button. 392 | // Stop pressing so many buttons at once. 393 | int pressedButton(byte vccByte, byte gndByte) { 394 | int vcc, gnd, button; 395 | 396 | for (vcc = 0; vcc < 6; vcc++) { 397 | if (vccByte & (B01000000 >> vcc)) { 398 | for (gnd = 0; gnd < 6; gnd++) { 399 | if (gndByte & (B00100000 >> gnd)) { 400 | button = btnMatrix[vcc][gnd]; 401 | if (button != -1) { 402 | return button; 403 | } 404 | } 405 | } 406 | } 407 | } 408 | 409 | return -1; 410 | } 411 | 412 | void pushButton(int button) { 413 | if (DEBUG) { 414 | Serial.print("Pressing: "); 415 | Serial.println(btnNames[button]); 416 | } 417 | 418 | int buttonPins[2]; 419 | byte vccByte, gndByte; 420 | 421 | if (findButton(button, buttonPins)) { 422 | // VCC 1,2,3,4,5,6 = 7,6,5,4,3,2 (second register) 423 | // GND 1,2,3,4,5,6 = 7,6,5,4,3,2 (first register) 424 | vccByte = B01000000 >> buttonPins[0]; 425 | gndByte = B01000000 >> buttonPins[1]; 426 | 427 | // Only need a 'off' delay when pushing the same button twice 428 | if (lastPushedButton == button) { delay(25); } 429 | 430 | digitalWrite(outputLatchPin, LOW); 431 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, vccByte); 432 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, gndByte); 433 | digitalWrite(outputLatchPin, HIGH); 434 | 435 | // Start button needs a longer press 436 | delay(button == btnStart ? 64 : 25); 437 | 438 | digitalWrite(outputLatchPin, LOW); 439 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, 0); 440 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, 0); 441 | digitalWrite(outputLatchPin, HIGH); 442 | 443 | lastPushedButton = button; 444 | } 445 | } 446 | 447 | // Find button in matrix 448 | bool findButton(int button, int pins[]) { 449 | int vcc, gnd; 450 | for (vcc = 0; vcc < 6; vcc++) { 451 | for (gnd = 0; gnd < 6; gnd++) { 452 | if (btnMatrix[vcc][gnd] == button) { 453 | pins[0] = vcc; 454 | pins[1] = gnd; 455 | return true; 456 | } 457 | } 458 | } 459 | return false; 460 | } 461 | 462 | void setTime(int totalSeconds) { 463 | if (totalSeconds > MAX_SECONDS) { return; } 464 | 465 | // Setting time will stop the microwave 466 | if (on) { on = false; } 467 | 468 | int minutes, seconds; 469 | currentTime = totalSeconds; 470 | 471 | pushButton(btnTime); 472 | 473 | minutes = totalSeconds / 60; 474 | seconds = totalSeconds % 60; 475 | 476 | if (minutes != 0) { 477 | if (minutes / 10 != 0) { 478 | pushButton(minutes / 10); 479 | } 480 | pushButton(minutes % 10); 481 | } 482 | if (seconds >= 10 || minutes != 0) { 483 | pushButton(seconds / 10); 484 | } 485 | pushButton(seconds % 10); 486 | } 487 | 488 | void incrementTime(int extraSeconds) { 489 | if (currentTime + extraSeconds > MAX_SECONDS) { currentTime = 0; } 490 | setTime(currentTime + extraSeconds); 491 | } 492 | 493 | void setPower(int power) { 494 | if (power < 0 || power > 10) { return; } 495 | 496 | currentPower = power; 497 | 498 | pushButton(btnPower); 499 | 500 | if (power == 10) { 501 | pushButton(1); 502 | pushButton(0); 503 | } else { 504 | pushButton(power); 505 | } 506 | } 507 | 508 | // time is an int, of the form 'hhmm', without leading zeros. 509 | // Times must be between 1:00 and 12:59 510 | void setClock(unsigned int time) { 511 | if (time > 1259 || time < 100 || time % 100 > 59 ) { return; } 512 | 513 | pushButton(btnClock); 514 | pushButton(btnCancel); 515 | 516 | if (time >= 1000) { pushButton(1); } 517 | pushButton(time % 1000 / 100); 518 | pushButton(time % 100 / 10); 519 | pushButton(time % 10); 520 | 521 | pushButton(btnClock); 522 | } 523 | 524 | void start() { 525 | // Only start if door is closed 526 | if (!doorOpen) { 527 | if (currentTime > 0) { 528 | pushButton(btnStart); 529 | on = true; 530 | paused = false; 531 | pendingStart = false; 532 | // Set door timer to 0, so that no further commands are run 533 | doorTimer = 0; 534 | // Set countdown timer to decrement time remaining 535 | countdownTimer = millis(); 536 | } 537 | } else { 538 | // Record the fact that start was pushed while the door was open. 539 | // Once door is closed, start the microwave. 540 | pendingStart = true; 541 | } 542 | } 543 | 544 | void stop() { 545 | pushButton(btnCancel); 546 | on = false; 547 | paused = false; 548 | pendingStart = false; 549 | currentTime = 0; 550 | currentPower = 0; 551 | } 552 | 553 | void pause() { 554 | // Can only pause when microwave is on 555 | if (on) { 556 | pushButton(btnTime); 557 | on = false; 558 | paused = true; 559 | } 560 | } 561 | 562 | void quickStart(int seconds, int power) { 563 | setTime(seconds); 564 | setPower(power); 565 | start(); 566 | } 567 | 568 | // void printBinary(byte var) { 569 | // for (byte mask = B10000000; mask; mask >>= 1) { 570 | // Serial.print(mask & var ? '1' : '0'); 571 | // } 572 | // Serial.println(); 573 | // } 574 | -------------------------------------------------------------------------------- /audio/.mkdir: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ndbroadbent/raspberry_picrowave/5b762bb7905d54544557618ce6c6ed6c34e72605/audio/.mkdir -------------------------------------------------------------------------------- /audio/busy.mp3: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ndbroadbent/raspberry_picrowave/5b762bb7905d54544557618ce6c6ed6c34e72605/audio/busy.mp3 -------------------------------------------------------------------------------- /audio/button.mp3: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ndbroadbent/raspberry_picrowave/5b762bb7905d54544557618ce6c6ed6c34e72605/audio/button.mp3 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-------------------------------------------------------------------------------- /barcode_instructions/Gemfile: -------------------------------------------------------------------------------- 1 | source 'http://rubygems.org' 2 | gem 'bundler', '>= 1.2.0' 3 | 4 | gem 'httparty' 5 | gem 'confstruct' 6 | gem 'barby' 7 | gem 'libdevinput' 8 | gem 'twitter' 9 | 10 | gem 'debugger' -------------------------------------------------------------------------------- /barcode_instructions/Gemfile.lock: -------------------------------------------------------------------------------- 1 | GEM 2 | remote: http://rubygems.org/ 3 | specs: 4 | barby (0.5.1) 5 | columnize (0.3.6) 6 | confstruct (0.2.5) 7 | debugger (1.6.0) 8 | columnize (>= 0.3.1) 9 | debugger-linecache (~> 1.2.0) 10 | debugger-ruby_core_source (~> 1.2.1) 11 | debugger-linecache (1.2.0) 12 | debugger-ruby_core_source (1.2.3) 13 | faraday (0.8.7) 14 | multipart-post (~> 1.1) 15 | httparty (0.11.0) 16 | multi_json (~> 1.0) 17 | multi_xml (>= 0.5.2) 18 | libdevinput (0.0.1) 19 | multi_json (1.7.7) 20 | multi_xml (0.5.4) 21 | multipart-post (1.2.0) 22 | simple_oauth (0.2.0) 23 | twitter (4.8.1) 24 | faraday (~> 0.8, < 0.10) 25 | multi_json (~> 1.0) 26 | simple_oauth (~> 0.2) 27 | 28 | PLATFORMS 29 | ruby 30 | 31 | DEPENDENCIES 32 | barby 33 | bundler (>= 1.2.0) 34 | confstruct 35 | debugger 36 | httparty 37 | libdevinput 38 | twitter 39 | -------------------------------------------------------------------------------- /barcode_instructions/barcode_instructions.rb: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env ruby 2 | $:.unshift File.join(File.dirname(__FILE__), 'lib') 3 | 4 | BARCODE_SCANNER_EVENT = "/dev/input/by-id/usb-040b_6543-event-kbd" 5 | ARDUINO_DAEMON_PORT = 3141 6 | 7 | require 'rubygems' 8 | require 'yaml' 9 | require 'thread' 10 | require 'microwave' 11 | require 'microwave_cooking_db' 12 | require 'confstruct' 13 | require 'twitter' 14 | 15 | Config = Confstruct::Configuration.new(YAML.load_file(File.expand_path("../config.yml", __FILE__))) 16 | 17 | Twitter.configure do |config| 18 | config.consumer_key = Config.twitter.consumer_key 19 | config.consumer_secret = Config.twitter.consumer_secret 20 | config.oauth_token = Config.twitter.oauth_token 21 | config.oauth_token_secret = Config.twitter.oauth_token_secret 22 | end 23 | 24 | connected = false 25 | until connected 26 | begin 27 | @microwave = Microwave.new 28 | connected = true 29 | rescue Exception => ex 30 | p $!, *$@ 31 | sleep 2 32 | end 33 | end 34 | 35 | @microwave.start_thread!(:fetch_microwave_info) 36 | @microwave.start_thread!(:fetch_barcodes) 37 | @microwave.start_thread!(:process_barcodes).join 38 | -------------------------------------------------------------------------------- /barcode_instructions/bin/mw_barcode_instructions: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | cd /home/ndbroadbent/raspberry_picrowave/barcode_instructions 3 | ./barcode_instructions.rb -------------------------------------------------------------------------------- /barcode_instructions/config.yml.example: -------------------------------------------------------------------------------- 1 | microwave_power: 2 | 3 | mwcdb: # Microwave Cooking Database 4 | api_key: 5 | email: 6 | 7 | twitter: 8 | consumer_key: 9 | consumer_secret: 10 | oauth_token: 11 | oauth_token_secret -------------------------------------------------------------------------------- /barcode_instructions/lib/microwave.rb: -------------------------------------------------------------------------------- 1 | require File.expand_path('../../../microwave_daemon/lib/client', __FILE__) 2 | require 'microwave/barcode_scanner' 3 | require 'microwave/cooking_step' 4 | 5 | class Microwave 6 | TWEET_PREFIXES = [ 7 | "Just finished cooking up some", 8 | "Just cooked some", 9 | "Just finished cooking some", 10 | "Just heated up some", 11 | "Finished cooking" 12 | ] 13 | 14 | TWEET_SUFFIXES = [ 15 | "I bet it tastes pretty good!", 16 | "I would totally eat it if I had a mouth.", 17 | "I'm pretty sure it tastes like chicken. Or maybe tasty wheat.", 18 | "I hope they like it!", 19 | "I cooked it with my microwaves.", 20 | "Mmmmmm, tastes like 2.45 GHz non-ionizing radiation.", 21 | "" 22 | ] 23 | 24 | attr_accessor :arduino, :barcode_scanner 25 | 26 | def initialize 27 | @microwave = Daemon::Client.new 28 | @barcode_scanner = BarcodeScanner.new 29 | @product_queue = Queue.new 30 | 31 | @mwcdb_client = MicrowaveCookingDB.new( 32 | email: Config.mwcdb.email, api_key: Config.mwcdb.api_key, power: Config.microwave_power) 33 | end 34 | 35 | def start_thread!(method) 36 | Thread.new do 37 | while true 38 | begin 39 | self.send(method) 40 | rescue Exception => ex 41 | puts "Error from #{method}!" 42 | p $!, *$@ 43 | sleep 2 44 | end 45 | end 46 | end 47 | end 48 | 49 | def fetch_microwave_info 50 | begin 51 | last_info = nil 52 | 53 | while true 54 | @microwave.fetch_info 55 | 56 | if last_info != @microwave.info 57 | #puts @microwave.info.inspect 58 | last_info = @microwave.info 59 | end 60 | 61 | sleep 0.5 62 | end 63 | rescue Exception => ex 64 | # Try re-initializing until connection succeeds 65 | @microwave = Daemon::Client.new 66 | raise ex 67 | end 68 | end 69 | 70 | def fetch_barcodes 71 | @barcode_scanner.listen! do |upc| 72 | product = @mwcdb_client.find(upc) 73 | if product 74 | record_upc(:known, upc) 75 | @product_queue << product 76 | else 77 | record_upc(:unknown, upc) 78 | play "not_found" # Sorry, I don't know how to cook that! 79 | end 80 | end 81 | end 82 | 83 | def process_barcodes 84 | while true 85 | product = @product_queue.pop 86 | 87 | puts "Cooking: #{product['name']}" 88 | 89 | steps = CookingStep.steps_for_product(product) 90 | 91 | # Microwave will count down total time of all steps 92 | time_remaining = steps.map(&:time).inject(:+) 93 | 94 | # If barcode was scanned while door was open, wait for door to close 95 | 96 | # TODO - fix later 97 | 98 | # if @microwave.info[:door_open] 99 | # puts "Waiting for microwave door to close..." 100 | # sleep(0.5) until !@microwave.info[:door_open] 101 | # end 102 | 103 | steps.each do |step| 104 | play step.instruction if step.instruction 105 | 106 | if step.wait_for_door_cycle 107 | return false unless wait_for_door_cycle(step) 108 | 109 | elsif step.time > 0 110 | @microwave.start(time_remaining, step.power) 111 | sleep 1 # Give microwave info time to refresh before checking interrupt 112 | 113 | puts "Waiting #{step.time} seconds..." 114 | ((step.time - 1) * 2).times do 115 | sleep 0.5 116 | return false if check_for_interrupt 117 | end 118 | 119 | time_remaining -= step.time 120 | 121 | if time_remaining > 0 122 | puts "Time remaining: #{time_remaining}" 123 | 124 | @microwave.pause 125 | else 126 | # Finished! 127 | Twitter.update("#{TWEET_PREFIXES.sample} #{product["name"]}! #{TWEET_SUFFIXES.sample}") 128 | 129 | wait_for_food_to_be_taken 130 | end 131 | end 132 | end 133 | end 134 | end 135 | 136 | def wait_for_door_cycle(step) 137 | puts "Waiting for microwave door to open..." 138 | elapsed = 0 139 | until @microwave.info[:door_open] 140 | sleep(0.5) 141 | elapsed += 0.5 142 | 143 | if elapsed % 30 == 0 144 | play "seriously" # Seriously, what are you doing? 145 | end 146 | if elapsed % 15 == 0 147 | # Repeat instructions if there is a delay 148 | play step.instruction if step.instruction 149 | end 150 | 151 | return false if check_for_interrupt 152 | end 153 | 154 | puts "Waiting for microwave door to close..." 155 | elapsed = 0 156 | until !@microwave.info[:door_open] 157 | sleep(0.5) 158 | elapsed += 0.5 159 | 160 | if elapsed % 15 == 0 161 | play "close_the_door" # "Please close the door. I'm getting cold." 162 | end 163 | return false if check_for_interrupt 164 | end 165 | 166 | true 167 | end 168 | 169 | def wait_for_food_to_be_taken 170 | play "ready1" 171 | 172 | puts "Waiting for microwave door to open..." 173 | elapsed = 0 174 | stage = 2 175 | until @microwave.info[:door_open] 176 | sleep(0.5) 177 | elapsed += 0.5 178 | 179 | if elapsed == 25 180 | play "ready#{stage}" 181 | stage += 1 182 | stage = 2 if stage > 4 183 | elapsed = 0 184 | end 185 | end 186 | 187 | puts "Finished! Enjoy your food :)" 188 | end 189 | 190 | def check_for_interrupt 191 | if !@product_queue.empty? 192 | play "busy" # I'm busy! Please don't scan any more bar-codes. 193 | 194 | # Clear product_queue and keep the current program going. 195 | @product_queue.clear 196 | return false 197 | end 198 | 199 | # Interrupt the current cooking program if the microwave is off and not paused. 200 | if !@microwave.info[:on] && !@microwave.info[:paused] 201 | puts "Aborting cooking program! The microwave has been stopped." 202 | return true 203 | end 204 | end 205 | 206 | def play(file) 207 | puts "Playing: #{file}" 208 | path = File.expand_path("../../../audio/#{file}.mp3", __FILE__) 209 | `mpg123 "#{path}" > /dev/null 2>&1` 210 | end 211 | 212 | BARCODES_FILE = File.expand_path("../../../sinatra_app/recent_barcodes.yml", __FILE__) 213 | 214 | # Save the last 10 unique known and unknown upc barcodes to display in the Sinatra app 215 | def record_upc(key, upc) 216 | if File.exists?(BARCODES_FILE) 217 | barcodes = YAML.load_file(BARCODES_FILE) 218 | else 219 | barcodes = {known: [], unknown: []} 220 | end 221 | 222 | barcodes[key] << upc 223 | 224 | # Only store last 10 uniq barcodes 225 | [:known, :unknown].each do |key| 226 | barcodes[key] = barcodes[key].uniq[0,10] 227 | end 228 | 229 | File.open(BARCODES_FILE, 'w') do |f| 230 | f.puts barcodes.to_yaml 231 | end 232 | end 233 | end 234 | -------------------------------------------------------------------------------- /barcode_instructions/lib/microwave/barcode_scanner.rb: -------------------------------------------------------------------------------- 1 | require 'libdevinput' 2 | DevInput.class_eval { attr_reader :dev } 3 | EVIOCGRAB = 1074021776 4 | require 'barby/barcode/ean_13' 5 | require 'barby/barcode/upc_supplemental' 6 | 7 | class Microwave 8 | class BarcodeScanner 9 | def initialize 10 | @barcode_scanner = DevInput.new(BARCODE_SCANNER_EVENT) 11 | # Grab barcode scanner exclusively (so keypress events aren't heard by Linux) 12 | @barcode_scanner.dev.ioctl(EVIOCGRAB, 1) 13 | end 14 | 15 | def valid_barcode?(barcode) 16 | begin 17 | #Barby::EAN13.new(barcode[0...-1]).to_s == barcode || 18 | #Barby::UPCSupplemental.new(barcode[0...-1]).to_s == barcode 19 | # If you want to scan some shoes, you can scan some shoes. 20 | true 21 | rescue 22 | false 23 | end 24 | end 25 | 26 | def listen! 27 | puts "Ready for barcodes!" 28 | 29 | while true 30 | barcode = '' 31 | @barcode_scanner.each do |event| 32 | # Just listen for 'key presses' 33 | if event.type == 1 && event.value == 1 34 | if event.code == 28 # Enter key 35 | if valid_barcode?(barcode) 36 | yield barcode 37 | else 38 | puts "Not a UPC barcode! (#{barcode})" 39 | end 40 | barcode = '' 41 | else 42 | barcode << event.code_str 43 | end 44 | end 45 | end 46 | end 47 | end 48 | end 49 | end 50 | -------------------------------------------------------------------------------- /barcode_instructions/lib/microwave/cooking_step.rb: -------------------------------------------------------------------------------- 1 | class Microwave 2 | class CookingStep 3 | attr_accessor :time, :power, :instruction, :wait_for_door_cycle 4 | 5 | def initialize(step) 6 | @time = 0 7 | @power = 'off' 8 | 9 | case step["action"] 10 | when "Cook" 11 | @power = step['power'] if step['power'] 12 | @time = step['time'] if step['time'] 13 | 14 | when "Stand" 15 | @time = step['time'] if step['time'] 16 | 17 | when "Stir" 18 | @instruction = "stir" # Please open the microwave door and stir the food. 19 | @wait_for_door_cycle = true 20 | end 21 | end 22 | 23 | def self.steps_for_product(product) 24 | product['steps'].map do |step_params| 25 | new(step_params) 26 | end 27 | end 28 | end 29 | end 30 | -------------------------------------------------------------------------------- /barcode_instructions/lib/microwave_cooking_db.rb: -------------------------------------------------------------------------------- 1 | require 'httparty' 2 | 3 | class MicrowaveCookingDB 4 | def initialize(options) 5 | @email = options[:email] 6 | @api_key = options[:api_key] 7 | @power = options[:power] 8 | end 9 | 10 | def find(upc) 11 | puts "Looking up #{upc} on microwavecookingdb.com..." 12 | 13 | # Retry failed request 3 times 14 | 3.times do 15 | begin 16 | product = HTTParty.get("http://www.microwavecookingdb.com/products/#{upc}.json", 17 | query: {email: @email, api_key: @api_key, power: @power}) 18 | return nil if product["error"] 19 | return product 20 | rescue Exception => ex 21 | p $!, *$@ 22 | nil 23 | end 24 | end 25 | end 26 | end 27 | -------------------------------------------------------------------------------- /clock/bin/mw_set_clock: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # Send clock command to the microwave daemon 3 | date +"{\"command\":{\"clock\":%-I%M}}" | netcat -q1 localhost 3141 -------------------------------------------------------------------------------- /init_scripts/mw_access_point: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_access_point 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_access_point 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Setup Microwave Access Point 11 | # Description: Setup Microwave Access Point if no Wifi connection 12 | ### END INIT INFO 13 | 14 | # Check wifi after a delay. If not connected, set up access point so we can configure wifi password 15 | sleep 20 16 | /home/ndbroadbent/raspberry_picrowave/access_point_if_no_wifi 17 | 18 | exit 0 -------------------------------------------------------------------------------- /init_scripts/mw_barcode_instructions: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_barcode_instructions 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_barcode_instructions 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Microwave Barcode Instructions 11 | # Description: Manage Microwave Barcode Instructions process 12 | ### END INIT INFO 13 | 14 | # Find PID of current process 15 | PID=$(ps aux | grep '[r]uby \./barcode_instructions\.rb' | awk '{print $2}' | head -n1) 16 | 17 | case "$1" in 18 | start) 19 | if [ -n "$PID" ]; then 20 | echo "mw_barcode_instructions is already running." 21 | else 22 | echo "Starting mw_barcode_instructions..." 23 | mw_barcode_instructions & 24 | fi 25 | ;; 26 | stop) 27 | if [ -n "$PID" ]; then 28 | echo "Stopping mw_barcode_instructions..." 29 | kill $PID 30 | else 31 | echo "mw_barcode_instructions is not running." 32 | fi 33 | ;; 34 | restart) 35 | $0 stop 36 | $0 start 37 | ;; 38 | *) 39 | echo "Usage: /etc/init.d/mw_barcode_instructions {start|stop|restart}" 40 | exit 1 41 | ;; 42 | esac 43 | 44 | exit 0 45 | -------------------------------------------------------------------------------- /init_scripts/mw_daemon: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_daemon 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_daemon 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Microwave Arduino Daemon 11 | # Description: Manage Microwave Arduino Daemon process 12 | ### END INIT INFO 13 | 14 | # Find PID of current process 15 | PID=$(ps aux | grep '[r]uby \./daemon\.rb' | awk '{print $2}' | head -n1) 16 | 17 | case "$1" in 18 | start) 19 | if [ -n "$PID" ]; then 20 | echo "mw_daemon is already running." 21 | else 22 | echo "Starting mw_daemon..." 23 | mw_daemon & 24 | fi 25 | ;; 26 | stop) 27 | if [ -n "$PID" ]; then 28 | echo "Stopping mw_daemon..." 29 | kill $PID 30 | else 31 | echo "mw_daemon is not running." 32 | fi 33 | ;; 34 | restart) 35 | $0 stop 36 | $0 start 37 | ;; 38 | *) 39 | echo "Usage: /etc/init.d/mw_daemon {start|stop|restart}" 40 | exit 1 41 | ;; 42 | esac 43 | 44 | exit 0 45 | -------------------------------------------------------------------------------- /init_scripts/mw_set_clock: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_set_clock 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_set_clock 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Set Microwave Clock 11 | # Description: Set Microwave Clock from system time 12 | ### END INIT INFO 13 | 14 | # Just run the set clock program after a delay 15 | sleep 20 16 | /usr/bin/mw_set_clock 17 | 18 | exit 0 -------------------------------------------------------------------------------- /init_scripts/mw_startup_sound: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_startup_sound 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_startup_sound 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Play Microwave Startup Sound 11 | # Description: Play Microwave Startup Sound on boot 12 | ### END INIT INFO 13 | 14 | /usr/bin/mpg123 /home/ndbroadbent/raspberry_picrowave/audio/startup.mp3 15 | 16 | exit 0 -------------------------------------------------------------------------------- /init_scripts/mw_voice_control: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_voice_control 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_voice_control 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Microwave Voice Control 11 | # Description: Manage Microwave Voice Control process 12 | ### END INIT INFO 13 | 14 | # Find PID of current process 15 | PID=$(ps aux | grep '[p]ocketsphinx_continuous' | awk '{print $2}' | head -n1) 16 | 17 | case "$1" in 18 | start) 19 | if [ -n "$PID" ]; then 20 | echo "mw_voice_control is already running." 21 | else 22 | echo "Starting mw_voice_control..." 23 | mw_voice_control & 24 | fi 25 | ;; 26 | stop) 27 | if [ -n "$PID" ]; then 28 | echo "Stopping mw_voice_control..." 29 | # Doesn't seem to respond to SIGTERM 30 | kill -9 $PID 31 | else 32 | echo "pocketsphinx_continuous is not running." 33 | fi 34 | ;; 35 | restart) 36 | $0 stop 37 | $0 start 38 | ;; 39 | *) 40 | echo "Usage: /etc/init.d/mw_voice_control {start|stop|restart}" 41 | exit 1 42 | ;; 43 | esac 44 | 45 | exit 0 46 | -------------------------------------------------------------------------------- /init_scripts/mw_web_app: -------------------------------------------------------------------------------- 1 | #! /bin/sh 2 | # /etc/init.d/mw_web_app 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: mw_web_app 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Microwave Web App 11 | # Description: Manage Microwave Web App process 12 | ### END INIT INFO 13 | 14 | # Find PID of current process 15 | PID=$(ps aux | grep '[r]uby \./microwave_webapp\.rb' | awk '{print $2}' | head -n1) 16 | 17 | case "$1" in 18 | start) 19 | if [ -n "$PID" ]; then 20 | echo "mw_web_app is already running." 21 | else 22 | echo "Starting mw_web_app..." 23 | mw_web_app & 24 | fi 25 | ;; 26 | stop) 27 | if [ -n "$PID" ]; then 28 | echo "Stopping mw_web_app..." 29 | kill $PID 30 | else 31 | echo "mw_web_app is not running." 32 | fi 33 | ;; 34 | restart) 35 | $0 stop 36 | $0 start 37 | ;; 38 | *) 39 | echo "Usage: /etc/init.d/mw_web_app {start|stop|restart}" 40 | exit 1 41 | ;; 42 | esac 43 | 44 | exit 0 45 | -------------------------------------------------------------------------------- /init_scripts/piglow_cpu: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # /etc/init.d/piglow_cpu 3 | 4 | ### BEGIN INIT INFO 5 | # Provides: piglow_cpu 6 | # Required-Start: $remote_fs $syslog 7 | # Required-Stop: $remote_fs $syslog 8 | # Default-Start: 2 3 4 5 9 | # Default-Stop: 0 1 6 10 | # Short-Description: Simple script to auto start PiGlow CPU 11 | # Description: Simple script to auto start PiGlow CPU 12 | ### END INIT INFO 13 | 14 | 15 | case "$1" in 16 | start) 17 | sudo python /home/ndbroadbent/PiGlow/Examples/cpu.py & 18 | ;; 19 | stop) 20 | killall python 21 | ;; 22 | *) 23 | exit 1 24 | ;; 25 | 26 | esac 27 | exit 0 -------------------------------------------------------------------------------- /microwave_daemon/.gitignore: -------------------------------------------------------------------------------- 1 | Makefile 2 | *.o 3 | *.so 4 | *.log -------------------------------------------------------------------------------- /microwave_daemon/bin/mw_daemon: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | cd /home/ndbroadbent/raspberry_picrowave/microwave_daemon 3 | ./daemon.rb -------------------------------------------------------------------------------- /microwave_daemon/daemon.rb: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env ruby 2 | # 3 | # Allows multiple programs to communicate with the Arduino 4 | # 5 | require 'rubygems' 6 | require 'socket' 7 | require 'thread' 8 | require 'json' 9 | require File.expand_path('../lib/audio_player', __FILE__) 10 | #require File.expand_path('../microwave', __FILE__) 11 | require File.expand_path('../lib/serial_microwave', __FILE__) 12 | 13 | PORT = 3141 14 | 15 | #@microwave = MicrowaveExt.new 16 | @microwave = SerialMicrowave.new 17 | @server = TCPServer.new(PORT) 18 | 19 | Thread.start(@microwave) do |m| 20 | while true 21 | m.touchpad_loop 22 | end 23 | end 24 | 25 | loop do 26 | Thread.start(@server.accept) do |client| 27 | begin 28 | puts "Client connected." 29 | 30 | while data = client.gets 31 | request = JSON.parse(data) 32 | 33 | if request['get_info'] 34 | # Fetch info and send to TCP client 35 | # client.puts(@microwave.get_info.to_json) 36 | client.puts({}) 37 | 38 | elsif command = request['command'] 39 | # Examples: 40 | # {"command":{"time":10}} 41 | # {"command":{"time":5,"power":7}} 42 | # {"command":"start"} 43 | 44 | commands = [] 45 | if command.is_a?(String) 46 | commands << [command, nil] 47 | 48 | elsif command.is_a?(Hash) 49 | start = command.delete("start") 50 | 51 | command.each {|k, v| commands << [k, v] } 52 | 53 | commands << ["start", nil] if start 54 | end 55 | 56 | reset_time = true 57 | if command['power'] && command['time'] 58 | reset_time = false 59 | end 60 | 61 | commands.each do |cmd| 62 | puts "[MW_DAEMON]: Sending command to Microwave: #{cmd.inspect}" 63 | @microwave.send_command(cmd, reset_time) 64 | end 65 | 66 | end 67 | end 68 | 69 | client.close 70 | puts "Connection closed." 71 | 72 | rescue Exception => ex 73 | puts "Error from microwave daemon!" 74 | p $!, *$@ 75 | 76 | # Close TCP connection 77 | client.close 78 | end 79 | end 80 | end 81 | -------------------------------------------------------------------------------- /microwave_daemon/ext/microwave/extconf.rb: -------------------------------------------------------------------------------- 1 | # Loads mkmf which is used to make makefiles for Ruby extensions 2 | require 'mkmf' 3 | 4 | dir_config('microwave/microwave') 5 | have_library('wiringPi') 6 | create_makefile('microwave/microwave') 7 | -------------------------------------------------------------------------------- /microwave_daemon/ext/microwave/microwave.c: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | #include 5 | #include 6 | 7 | #define DEBUG false 8 | #define SERIAL_TIMEOUT 1000 9 | #define VOICE_COMMAND_TIMEOUT 10000 // Allow voice commands up to 10 seconds after the door closes 10 | 11 | #define scanDataPin 0 12 | #define scanLatchPin 2 13 | #define scanClockPin 3 14 | 15 | #define inputClockPin 12 16 | #define inputLatchPin 13 17 | #define inputDataPin 14 18 | 19 | #define outputDataPin 11 20 | #define outputLatchPin 10 21 | #define outputClockPin 6 22 | 23 | #define btn0 0 24 | #define btn1 1 25 | #define btn2 2 26 | #define btn3 3 27 | #define btn4 4 28 | #define btn5 5 29 | #define btn6 6 30 | #define btn7 7 31 | #define btn8 8 32 | #define btn9 9 33 | #define btnWeightDefrost 10 34 | #define btnJetDefrost 11 35 | #define btnPreset 12 36 | #define btnTime 13 37 | #define btnExpress 14 38 | #define btnCancel 15 39 | #define btnPower 16 40 | #define btnMemory 17 41 | #define btnClock 18 42 | #define btnStart 19 43 | 44 | #define newBtnHigh10s 1 45 | #define newBtnHigh20s 2 46 | #define newBtnHigh30s 3 47 | #define newBtnHigh1m 4 48 | #define newBtnHigh2m 5 49 | #define newBtnMed10s 6 50 | #define newBtnMed20s 7 51 | #define newBtnMed30s 8 52 | #define newBtnMed1m 9 53 | #define newBtnMed2m 0 54 | #define newBtnStart 10 55 | #define newBtnStop 11 56 | #define newBtn10s 12 57 | #define newBtn10m 13 58 | #define newBtnMed 14 59 | #define newBtnDefrost 15 60 | #define newBtn1s 16 61 | #define newBtn1m 17 62 | #define newBtnHigh 18 63 | #define newBtnLow 19 64 | 65 | #define doorSwitch 0x40 // B01000000 66 | #define buttonMask 0x3F // B00111111 67 | 68 | const int MAX_SECONDS = 5999; // (99 * 60) + 59 69 | const int POWER_HIGH = 10; 70 | const int POWER_MEDIUM = 7; 71 | const int POWER_LOW = 5; 72 | const int POWER_DEFROST = 3; 73 | const int POWER_ZERO = 0; 74 | 75 | // btnMatrix[VCC Pin][GND Pin] 76 | int btnMatrix[6][6] = { 77 | {-1, -1, -1, -1, -1, 19}, 78 | {-1, 0, 1, 2, 3, -1}, 79 | {-1, 4, 5, 6, 7, -1}, 80 | {10, 8, 9, 12, 15, -1}, 81 | {-1, 13, 18, 11, 16, -1}, 82 | {17, -1, 14, -1, -1, -1} 83 | }; 84 | 85 | char btnNames[][15] = { 86 | "0", 87 | "1", 88 | "2", 89 | "3", 90 | "4", 91 | "5", 92 | "6", 93 | "7", 94 | "8", 95 | "9", 96 | "Weight Defrost", 97 | "Jet Defrost", 98 | "Pre-set", 99 | "Time", 100 | "Express", 101 | "Cancel", 102 | "Power", 103 | "Memory", 104 | "Clock", 105 | "Start" 106 | }; 107 | 108 | char btnNamesNew[][22] = { 109 | "Quickstart Medium 2m", 110 | "Quickstart High 10s", 111 | "Quickstart High 20s", 112 | "Quickstart High 30s", 113 | "Quickstart High 1m", 114 | "Quickstart High 2m", 115 | "Quickstart Medium 10s", 116 | "Quickstart Medium 20s", 117 | "Quickstart Medium 30s", 118 | "Quickstart Medium 1m", 119 | "Start", 120 | "Stop", 121 | "Time 10s", 122 | "Time 10m", 123 | "Power Medium", 124 | "Power Defrost", 125 | "Time 1s", 126 | "Time 1m", 127 | "Power High", 128 | "Power Low" 129 | }; 130 | 131 | uint8_t inputByte, buttonByte, scanMask; 132 | int currentButton = -1; 133 | int lastButton = -1; 134 | int lastPushedButton = -1; 135 | bool on = false; 136 | bool paused = false; 137 | bool doorOpen = false; 138 | bool pendingStart = false; 139 | bool buttonLock = false; 140 | 141 | VALUE commandFromVoice = Qfalse; 142 | int currentPower = 0; 143 | int currentTime = 0; 144 | 145 | char serCommand, serParams; 146 | 147 | unsigned long serialTimer, buttonTimer, countdownTimer, doorTimer; 148 | 149 | VALUE rbMicrowaveExt, rbAudioPlayerModule; 150 | 151 | void playSound(const char *methodName) { 152 | rb_funcall(rbAudioPlayerModule, rb_intern(methodName), 0, NULL); 153 | } 154 | 155 | void printBinary(uint8_t var) { 156 | uint8_t mask; 157 | for (mask = 0x80; mask; mask >>= 1) { // B10000000 158 | printf(mask & var ? "1" : "0"); 159 | } 160 | printf("\n"); 161 | } 162 | 163 | // Check voice commands 164 | bool voiceCommandAllowed() { 165 | if (commandFromVoice != Qfalse) { 166 | return millis() - VOICE_COMMAND_TIMEOUT < doorTimer; 167 | } 168 | return true; 169 | } 170 | 171 | // If multiple buttons are pressed, this 172 | // function just returns the first detected button. 173 | // Stop pressing so many buttons at once. 174 | int pressedButton(uint8_t vccByte, uint8_t gndByte) { 175 | int vcc, gnd, button; 176 | 177 | for (vcc = 0; vcc < 6; vcc++) { 178 | if (vccByte & (0x40 >> vcc)) { // B01000000 179 | for (gnd = 0; gnd < 6; gnd++) { 180 | if (gndByte & (0x20 >> gnd)) { // B00100000 181 | button = btnMatrix[vcc][gnd]; 182 | if (button != -1) { 183 | return button; 184 | } 185 | } 186 | } 187 | } 188 | } 189 | 190 | return -1; 191 | } 192 | 193 | // Find button in matrix 194 | bool findButton(int button, int pins[]) { 195 | int vcc, gnd; 196 | for (vcc = 0; vcc < 6; vcc++) { 197 | for (gnd = 0; gnd < 6; gnd++) { 198 | if (btnMatrix[vcc][gnd] == button) { 199 | pins[0] = vcc; 200 | pins[1] = gnd; 201 | return true; 202 | } 203 | } 204 | } 205 | return false; 206 | } 207 | 208 | void pushButton(int button) { 209 | int buttonPins[2]; 210 | uint8_t vccByte, gndByte; 211 | 212 | if (DEBUG) { 213 | printf("Pressing: "); 214 | printf("%s", btnNames[button]); 215 | } 216 | 217 | if (findButton(button, buttonPins)) { 218 | // Ensure buttons aren't being pushed by multiple threads. 219 | while (buttonLock) { delay(25); } 220 | buttonLock = true; 221 | 222 | // VCC 1,2,3,4,5,6 = 7,6,5,4,3,2 (second register) 223 | // GND 1,2,3,4,5,6 = 7,6,5,4,3,2 (first register) 224 | vccByte = 0x40 >> buttonPins[0]; // B01000000 225 | gndByte = 0x40 >> buttonPins[1]; // B01000000 226 | 227 | // Only need a 'off' delay when pushing the same button twice 228 | if (lastPushedButton == button) { delay(25); } 229 | 230 | digitalWrite(outputLatchPin, LOW); 231 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, vccByte); 232 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, gndByte); 233 | digitalWrite(outputLatchPin, HIGH); 234 | 235 | // Start button needs a longer press 236 | delay(button == btnStart ? 64 : 25); 237 | 238 | digitalWrite(outputLatchPin, LOW); 239 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, 0); 240 | shiftOut(outputDataPin, outputClockPin, MSBFIRST, 0); 241 | digitalWrite(outputLatchPin, HIGH); 242 | 243 | buttonLock = false; 244 | lastPushedButton = button; 245 | } 246 | } 247 | 248 | void setTime(int totalSeconds) { 249 | int minutes, seconds; 250 | 251 | if (totalSeconds > MAX_SECONDS) { return; } 252 | 253 | // Setting time will stop the microwave 254 | if (on) { on = false; } 255 | 256 | currentTime = totalSeconds; 257 | 258 | pushButton(btnTime); 259 | 260 | minutes = totalSeconds / 60; 261 | seconds = totalSeconds % 60; 262 | 263 | if (minutes != 0) { 264 | if (minutes / 10 != 0) { 265 | pushButton(minutes / 10); 266 | } 267 | pushButton(minutes % 10); 268 | } 269 | if (seconds >= 10 || minutes != 0) { 270 | pushButton(seconds / 10); 271 | } 272 | pushButton(seconds % 10); 273 | } 274 | 275 | void incrementTime(int extraSeconds) { 276 | if (currentTime + extraSeconds > MAX_SECONDS) { currentTime = 0; } 277 | setTime(currentTime + extraSeconds); 278 | } 279 | 280 | void setPower(int power) { 281 | if (power < 0 || power > 10) { return; } 282 | 283 | currentPower = power; 284 | 285 | pushButton(btnPower); 286 | 287 | if (power == 10) { 288 | pushButton(1); 289 | pushButton(0); 290 | } else { 291 | pushButton(power); 292 | } 293 | } 294 | 295 | // time is an int, of the form 'hhmm', without leading zeros. 296 | // Times must be between 1:00 and 12:59 297 | void setClock(unsigned int time) { 298 | if (time > 1259 || time < 100 || time % 100 > 59 ) { return; } 299 | 300 | pushButton(btnClock); 301 | pushButton(btnCancel); 302 | 303 | if (time >= 1000) { pushButton(1); } 304 | pushButton(time % 1000 / 100); 305 | pushButton(time % 100 / 10); 306 | pushButton(time % 10); 307 | 308 | pushButton(btnClock); 309 | } 310 | 311 | void start() { 312 | // Only start if door is closed 313 | if (!doorOpen) { 314 | if (currentTime > 0) { 315 | pushButton(btnStart); 316 | on = true; 317 | pendingStart = false; 318 | // Set door timer to 0, so that no further commands are run 319 | doorTimer = 0; 320 | // Set countdown timer to decrement time remaining 321 | countdownTimer = millis(); 322 | // Only play start sound if microwave wasn't previously paused 323 | if (!paused) { playSound("start"); } 324 | paused = false; 325 | } 326 | } else { 327 | // Record the fact that start was pushed while the door was open. 328 | // Once door is closed, start the microwave. 329 | pendingStart = true; 330 | } 331 | } 332 | 333 | void stop() { 334 | pushButton(btnCancel); 335 | on = false; 336 | paused = false; 337 | pendingStart = false; 338 | currentTime = 0; 339 | currentPower = 0; 340 | } 341 | 342 | void pauseMicrowave() { 343 | // Can only pause when microwave is on 344 | if (on) { 345 | pushButton(btnTime); 346 | on = false; 347 | paused = true; 348 | } 349 | } 350 | 351 | void quickStart(int seconds, int power) { 352 | setTime(seconds); 353 | setPower(power); 354 | start(); 355 | } 356 | 357 | uint8_t shiftIn2(int dataPin, int clockPin, int latchPin) { 358 | int i; 359 | int tmp = 0; 360 | uint8_t dataIn = 0; 361 | 362 | digitalWrite(latchPin, HIGH); 363 | delayMicroseconds(300); 364 | digitalWrite(latchPin, LOW); 365 | 366 | for (i = 7; i >= 0; i--) { 367 | digitalWrite(clockPin, LOW); 368 | delayMicroseconds(300); 369 | tmp = digitalRead(dataPin); 370 | if (tmp) { 371 | dataIn = dataIn | (1 << i); 372 | } 373 | digitalWrite(clockPin, HIGH); 374 | delayMicroseconds(100); 375 | } 376 | 377 | return dataIn; 378 | } 379 | 380 | void pushNewButton(int button) { 381 | // Only play button sound for time and power buttons 382 | switch (button) { 383 | case newBtn10s: 384 | case newBtn10m: 385 | case newBtn1s: 386 | case newBtn1m: 387 | case newBtnHigh: 388 | case newBtnMed: 389 | case newBtnLow: 390 | case newBtnDefrost: 391 | playSound("button"); 392 | break; 393 | } 394 | 395 | switch (button) { 396 | case newBtnHigh10s: quickStart(10, POWER_HIGH); break; 397 | case newBtnHigh20s: quickStart(20, POWER_HIGH); break; 398 | case newBtnHigh30s: quickStart(30, POWER_HIGH); break; 399 | case newBtnHigh1m: quickStart(60, POWER_HIGH); break; 400 | case newBtnHigh2m: quickStart(120, POWER_HIGH); break; 401 | case newBtnMed10s: quickStart(10, POWER_MEDIUM); break; 402 | case newBtnMed20s: quickStart(20, POWER_MEDIUM); break; 403 | case newBtnMed30s: quickStart(30, POWER_MEDIUM); break; 404 | case newBtnMed1m: quickStart(60, POWER_MEDIUM); break; 405 | case newBtnMed2m: quickStart(120, POWER_MEDIUM); break; 406 | case newBtn10s: incrementTime(10); break; 407 | case newBtn10m: incrementTime(600); break; 408 | case newBtn1s: incrementTime(1); break; 409 | case newBtn1m: incrementTime(60); break; 410 | // Can't set power while microwave is on 411 | case newBtnHigh: if (!on) { setPower(POWER_HIGH); }; break; 412 | case newBtnMed: if (!on) { setPower(POWER_MEDIUM); }; break; 413 | case newBtnLow: if (!on) { setPower(POWER_LOW); }; break; 414 | case newBtnDefrost: if (!on) { setPower(POWER_DEFROST); }; break; 415 | case newBtnStart: start(); break; 416 | case newBtnStop: stop(); playSound("stop"); break; 417 | } 418 | } 419 | 420 | // args: command, param, command_from_voice? 421 | static VALUE method_send_command(VALUE self, VALUE args) { 422 | VALUE command, param; 423 | char * cmdStr; 424 | char * paramStr = ""; 425 | int i; 426 | 427 | long len = RARRAY_LEN(args); 428 | 429 | if (len > 3 || len == 0) { 430 | rb_raise(rb_eArgError, "wrong number of arguments"); 431 | } 432 | 433 | command = rb_ary_entry(args, 0); 434 | cmdStr = StringValueCStr(command); 435 | 436 | if (len >= 2) { 437 | param = rb_ary_entry(args, 1); 438 | } 439 | 440 | // Voice - indicates that the command came from latent speech recognition (no keyword prefix). 441 | // The command will only be executed if the microwave door was recently closed. 442 | if (len >= 3) { 443 | commandFromVoice = rb_ary_entry(args, 2); 444 | } else { 445 | commandFromVoice = Qfalse; 446 | } 447 | 448 | if (strcmp(cmdStr, "button") == 0) { 449 | if (TYPE(param) == T_STRING) { 450 | paramStr = StringValueCStr(param); 451 | 452 | for (i = 0; i < sizeof(btnNames) / sizeof(btnNames[0]); i++) { 453 | if (strcmp(btnNames[i], paramStr) == 0) { 454 | pushButton(i); 455 | break; 456 | } 457 | } 458 | } 459 | } 460 | 461 | if (strcmp(cmdStr, "new_button") == 0) { 462 | if (TYPE(param) == T_STRING) { 463 | paramStr = StringValueCStr(param); 464 | 465 | for (i = 0; i < sizeof(btnNamesNew) / sizeof(btnNamesNew[0]); i++) { 466 | if (strcmp(btnNamesNew[i], paramStr) == 0) { 467 | pushNewButton(i); 468 | break; 469 | } 470 | } 471 | } 472 | } 473 | 474 | else if (strcmp(cmdStr, "clock") == 0) { 475 | // clock | 1135 => Set clock to 11:35 476 | setClock(NUM2INT(param)); 477 | } 478 | 479 | else if (strcmp(cmdStr, "time") == 0) { 480 | if (voiceCommandAllowed()) { 481 | setTime(NUM2INT(param)); 482 | } 483 | } 484 | 485 | else if (strcmp(cmdStr, "power") == 0) { 486 | // power (integer or level name) 487 | // Integer: 6 => Set power to 6 488 | // Level name: high => Set power to high (10) 489 | if (voiceCommandAllowed()) { 490 | if (TYPE(param) == T_STRING) { 491 | paramStr = StringValueCStr(param); 492 | if (strcmp(paramStr, "high") == 0) { setPower(POWER_HIGH); } 493 | else if (strcmp(paramStr, "medium") == 0) { setPower(POWER_MEDIUM); } 494 | else if (strcmp(paramStr, "low") == 0) { setPower(POWER_LOW); } 495 | else if (strcmp(paramStr, "defrost") == 0) { setPower(POWER_DEFROST); } 496 | else if (strcmp(paramStr, "off") == 0) { setPower(POWER_ZERO); } 497 | 498 | } else { 499 | setPower(NUM2INT(param)); 500 | } 501 | } 502 | } 503 | 504 | else if (strcmp(cmdStr, "start") == 0) { 505 | if (voiceCommandAllowed()) { start(); } 506 | } 507 | 508 | else if (strcmp(cmdStr, "stop") == 0) { 509 | if (voiceCommandAllowed()) { 510 | stop(); 511 | playSound("stop"); 512 | } 513 | } 514 | 515 | else if (strcmp(cmdStr, "pause") == 0) { 516 | pauseMicrowave(); 517 | } 518 | 519 | return self; 520 | } 521 | 522 | 523 | VALUE method_get_info(VALUE self) { 524 | VALUE info = rb_hash_new(); 525 | 526 | rb_hash_aset(info, ID2SYM(rb_intern("on")), on ? Qtrue : Qfalse); 527 | rb_hash_aset(info, ID2SYM(rb_intern("paused")), paused ? Qtrue : Qfalse); 528 | rb_hash_aset(info, ID2SYM(rb_intern("door_open")), doorOpen ? Qtrue : Qfalse); 529 | rb_hash_aset(info, ID2SYM(rb_intern("power")), INT2FIX(currentPower)); 530 | rb_hash_aset(info, ID2SYM(rb_intern("time")), INT2FIX(currentTime)); 531 | 532 | return info; 533 | } 534 | 535 | 536 | // Can't do an infinite loop in C, or the Ruby interpreter gets locked up 537 | VALUE method_touchpad_loop(VALUE self) { 538 | int validReading = 0; 539 | 540 | inputByte = 0; 541 | // B00000010 B01000000 542 | for (scanMask = 0x2; scanMask <= 0x40; scanMask <<= 1) { 543 | digitalWrite(scanLatchPin, LOW); 544 | shiftOut(scanDataPin, scanClockPin, MSBFIRST, scanMask); 545 | digitalWrite(scanLatchPin, HIGH); 546 | 547 | // printf("scanMask:\n"); 548 | // printBinary(scanMask); 549 | 550 | validReading = 0; 551 | while (validReading == 0) { 552 | // Ignore first bit (floating) 553 | inputByte = shiftIn2(inputDataPin, inputClockPin, inputLatchPin) & 0x7F; // B01111111 554 | delay(2); 555 | if (inputByte == (shiftIn2(inputDataPin, inputClockPin, inputLatchPin) & 0x7F)) 556 | validReading = 1; 557 | } 558 | 559 | // printf("inputByte:\n"); 560 | // printBinary(inputByte); 561 | 562 | // 1 = closed, 0 = open 563 | if (!(inputByte & doorSwitch)) { 564 | // Stop if door is opened 565 | if (on) { stop(); } 566 | if (!doorOpen) { 567 | if (DEBUG) { printf("Door is now open.\n"); } 568 | doorOpen = true; 569 | } 570 | } else { 571 | // Set door state if door is now closed 572 | if (doorOpen) { 573 | if (DEBUG) { printf("Door is now closed.\n"); } 574 | doorOpen = false; 575 | doorTimer = millis(); // Allow voice commands up to 7 seconds after door was closed 576 | 577 | // Check to see if start was pressed while door was open 578 | // If so, start the microwave now. 579 | if (pendingStart) { start(); } 580 | } 581 | } 582 | 583 | buttonByte = inputByte & buttonMask; 584 | 585 | if (buttonByte != 0) { 586 | currentButton = pressedButton(scanMask, buttonByte); 587 | 588 | if (currentButton != -1 && currentButton != lastButton) { 589 | pushNewButton(currentButton); 590 | 591 | lastButton = currentButton; 592 | } 593 | 594 | buttonTimer = millis(); 595 | } else { 596 | // Debounce buttons with 100ms delay 597 | if (lastButton != -1 && millis() - 100 > buttonTimer) { 598 | lastButton = -1; 599 | buttonTimer = 0; 600 | } 601 | } 602 | } 603 | 604 | if (on) { 605 | // Decrement time counter every 1000ms 606 | if (millis() - 1000 > countdownTimer) { 607 | countdownTimer = millis(); 608 | currentTime -= 1; 609 | if (currentTime <= 0) { 610 | stop(); 611 | playSound("finished"); 612 | } 613 | } 614 | } 615 | 616 | delay(10); 617 | 618 | return self; 619 | } 620 | 621 | // The initialization method for this module 622 | void Init_microwave() { 623 | if (wiringPiSetup() == -1) 624 | printf("wiringPi setup failed!\n"); 625 | 626 | // Set pin modes 627 | pinMode(scanDataPin, OUTPUT); 628 | pinMode(scanLatchPin, OUTPUT); 629 | pinMode(scanClockPin, OUTPUT); 630 | 631 | pinMode(inputDataPin, INPUT); 632 | pinMode(inputLatchPin, OUTPUT); 633 | pinMode(inputClockPin, OUTPUT); 634 | 635 | pinMode(outputDataPin, OUTPUT); 636 | pinMode(outputLatchPin, OUTPUT); 637 | pinMode(outputClockPin, OUTPUT); 638 | 639 | // Setup class 640 | rbMicrowaveExt = rb_define_class("MicrowaveExt", rb_cObject); 641 | rb_define_method(rbMicrowaveExt, "touchpad_loop", method_touchpad_loop, 0); 642 | rb_define_method(rbMicrowaveExt, "send_command", method_send_command, -2); 643 | rb_define_method(rbMicrowaveExt, "get_info", method_get_info, 0); 644 | 645 | rbAudioPlayerModule = rb_const_get(rb_cObject, rb_intern("AudioPlayer")); 646 | } 647 | -------------------------------------------------------------------------------- /microwave_daemon/lib/audio_player.rb: -------------------------------------------------------------------------------- 1 | class AudioPlayer 2 | class << self 3 | def button; play "button"; end 4 | def start; play "start"; end 5 | def stop; play "stop"; end 6 | def finished; play "finished"; end 7 | 8 | private 9 | 10 | def play(file) 11 | path = File.expand_path("../../../audio/#{file}.mp3", __FILE__) 12 | if File.exist?(path) 13 | `mpg123 "#{path}" > /dev/null & 2>&1` 14 | else 15 | puts "Error! Sound does not exist: #{path}" 16 | end 17 | end 18 | end 19 | end 20 | -------------------------------------------------------------------------------- /microwave_daemon/lib/client.rb: -------------------------------------------------------------------------------- 1 | require 'socket' 2 | require 'json' 3 | PORT = 3141 4 | 5 | class Microwave 6 | class Daemon 7 | class Client 8 | attr_accessor :info 9 | 10 | def initialize 11 | @socket = TCPSocket.new('localhost', PORT) 12 | @info = {} 13 | end 14 | 15 | def fetch_info 16 | send_request(:get_info => true) 17 | @info = JSON.parse(@socket.gets) 18 | # Symbolize keys 19 | @info = @info.inject({}) do |hash, (k,v)| 20 | hash[k.to_sym] = v 21 | hash 22 | end 23 | end 24 | 25 | def send_request(command) 26 | begin 27 | @socket.puts(command.to_json) 28 | 29 | rescue Exception => ex 30 | puts "Error from Daemon TCP connection!" 31 | puts ex.inspect 32 | # Reset socket 33 | connected = false 34 | while !connected 35 | begin 36 | @socket = TCPSocket.new('localhost', PORT) 37 | connected = true 38 | rescue 39 | sleep 1 40 | end 41 | end 42 | end 43 | end 44 | 45 | def start(time, power_level) 46 | command = {:time => time, :power => power_level, :start => true} 47 | puts "JSON command: #{command.inspect}" 48 | send_request(:command => command) 49 | end 50 | 51 | # Pause by pushing the 'time' button 52 | def pause 53 | puts "Pausing Microwave..." 54 | send_request(:command => :pause) 55 | end 56 | 57 | def stop 58 | puts "Stopping Microwave..." 59 | send_request(:command => :stop) 60 | end 61 | end 62 | end 63 | end 64 | -------------------------------------------------------------------------------- /microwave_daemon/lib/serial_microwave.rb: -------------------------------------------------------------------------------- 1 | require 'serialport' 2 | 3 | class SerialMicrowave 4 | PORT_STR = "/dev/ttyACM0" 5 | 6 | CMD_CLOCK = 0 7 | CMD_MODE = 1 8 | CMD_TIME = 5 9 | CMD_POWER = 4 10 | 11 | POWER_LEVELS = { 12 | 'high' => 10, 13 | 'medium' => 7, 14 | 'low' => 5, 15 | 'defrost' => 3 16 | } 17 | 18 | WEB_BUTTON_MAPPINGS = { 19 | "Quickstart Medium 2m" => [['time', 120], ['power', 'medium']], 20 | "Quickstart High 10s" => [['time', 10], ['power', 'high']], 21 | "Quickstart High 20s" => [['time', 20], ['power', 'high']], 22 | "Quickstart High 30s" => [['time', 30], ['power', 'high']], 23 | "Quickstart High 1m" => [['time', 60], ['power', 'high']], 24 | "Quickstart High 2m" => [['time', 120], ['power', 'high']], 25 | "Quickstart Medium 10s" => [['time', 10], ['power', 'medium']], 26 | "Quickstart Medium 20s" => [['time', 20], ['power', 'medium']], 27 | "Quickstart Medium 30s" => [['time', 30], ['power', 'medium']], 28 | "Quickstart Medium 1m" => [['time', 60], ['power', 'medium']], 29 | "Start" => [['button', 10]], 30 | "Stop" => [['button', 10]], 31 | "Time 10s" => [['time', 120]], 32 | "Time 10m" => [['time', 120]], 33 | "Power Medium" => [['time', 120]], 34 | "Power Defrost" => [['time', 120]], 35 | "Time 1s" => [['time', 120]], 36 | "Time 1m" => [['time', 120]], 37 | "Power High" => [['time', 120]], 38 | "Power Low" => [['time', 120]] 39 | } 40 | 41 | def initialize 42 | unless ENV['DEBUGGING'] 43 | @serial = SerialPort.new(PORT_STR, 9600, 8, 1, SerialPort::NONE) 44 | end 45 | end 46 | 47 | 48 | def send_command(command, reset_time = true) 49 | case command[0] 50 | when 'clock' 51 | hour, min = command[1].to_s.rjust(4, '0').scan(/\d\d/).map(&:to_i) 52 | send_command_packet(0, hour, min) 53 | 54 | when 'time' 55 | send_clear 56 | set_microwave 57 | send_time command[1].to_i 58 | @time = command[1].to_i 59 | 60 | 61 | when 'power' 62 | if reset_time 63 | send_command(['time', @time || 15]) 64 | sleep 0.2 65 | end 66 | 67 | level = POWER_LEVELS[command[1].to_s] || 10 68 | send_power level 69 | 70 | sleep 0.2 71 | 72 | when 'button' 73 | send_button command[1] 74 | 75 | when 'new_button' 76 | puts 'new button!' 77 | puts command[1].inspect 78 | 79 | if web_commands = WEB_BUTTON_MAPPINGS[command[1]] 80 | web_commands.each do |cmd| 81 | send_command cmd, false 82 | end 83 | end 84 | end 85 | end 86 | 87 | 88 | private 89 | 90 | def send_command_packet(cmd, param1, param2 = 0) 91 | puts "sending cmd: [#{cmd}, #{param1}, #{param2}]" 92 | 93 | unless ENV['DEBUGGING'] 94 | @serial.write [0x01, cmd, param1, param2, 0x17].pack('c*') 95 | end 96 | 97 | sleep 0.3 98 | end 99 | 100 | def send_clear 101 | send_command_packet 5, 11 102 | end 103 | 104 | def send_time(time) 105 | send_command_packet 2, 0, time 106 | end 107 | 108 | def send_power(power) 109 | send_command_packet 4, power 110 | end 111 | 112 | def set_microwave 113 | send_command_packet 1, 1 114 | end 115 | 116 | def send_button(button) 117 | send_command_packet 5, button 118 | end 119 | end 120 | -------------------------------------------------------------------------------- /microwave_daemon/mwtest.rb: -------------------------------------------------------------------------------- 1 | require './microwave' 2 | @m = MicrowaveExt.new 3 | -------------------------------------------------------------------------------- /scripts/setup_audio: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | amixer cset numid=3 1 3 | amixer set PCM -- 95% 4 | -------------------------------------------------------------------------------- /setup_bin_and_init: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # Creates /usr/bin/ and /etc/init.d/ symlinks, and runs update-rc.d 3 | for f in $PWD/*/bin/*; do 4 | ln -fs "$f" "/usr/bin/$(basename $f)" 5 | done 6 | 7 | for f in $PWD/init_scripts/*; do 8 | name="$(basename $f)" 9 | ln -fs "$f" "/etc/init.d/$name" 10 | sudo update-rc.d "$name" defaults 11 | done 12 | -------------------------------------------------------------------------------- /sinatra_app/.bundle/config: -------------------------------------------------------------------------------- 1 | --- 2 | BUNDLE_JOBS: 8 3 | -------------------------------------------------------------------------------- /sinatra_app/.gitignore: -------------------------------------------------------------------------------- 1 | recent_barcodes.yml 2 | -------------------------------------------------------------------------------- /sinatra_app/Gemfile: -------------------------------------------------------------------------------- 1 | source 'http://rubygems.org' 2 | 3 | gem 'sinatra' 4 | gem 'thin' -------------------------------------------------------------------------------- /sinatra_app/Gemfile.lock: -------------------------------------------------------------------------------- 1 | GEM 2 | remote: http://rubygems.org/ 3 | specs: 4 | daemons (1.1.9) 5 | eventmachine (1.0.3) 6 | rack (1.5.2) 7 | rack-protection (1.5.0) 8 | rack 9 | sinatra (1.4.3) 10 | rack (~> 1.4) 11 | rack-protection (~> 1.4) 12 | tilt (~> 1.3, >= 1.3.4) 13 | thin (1.5.1) 14 | daemons (>= 1.0.9) 15 | eventmachine (>= 0.12.6) 16 | rack (>= 1.0.0) 17 | tilt (1.4.1) 18 | 19 | PLATFORMS 20 | ruby 21 | 22 | DEPENDENCIES 23 | sinatra 24 | thin 25 | -------------------------------------------------------------------------------- /sinatra_app/bin/mw_web_app: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | cd /home/ndbroadbent/raspberry_picrowave/sinatra_app 3 | ./microwave_webapp.rb -------------------------------------------------------------------------------- /sinatra_app/microwave_webapp.rb: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env ruby 2 | require 'sinatra' 3 | require 'yaml' 4 | require 'json' 5 | require File.expand_path('../../microwave_daemon/lib/client', __FILE__) 6 | 7 | configure do 8 | set server: 'thin', bind: '0.0.0.0', port: ENV['PORT'] || '80', connections: [] 9 | 10 | connected = false 11 | while !connected 12 | begin 13 | set :microwave, Microwave::Daemon::Client.new 14 | connected = true 15 | rescue 16 | puts "Could not connect to microwave daemon... retrying after 1s" 17 | sleep 1 18 | end 19 | end 20 | 21 | set :barcodes_file, File.expand_path("../recent_barcodes.yml", __FILE__) 22 | end 23 | 24 | def fetch_info 25 | begin 26 | settings.microwave.fetch_info 27 | info = settings.microwave.info 28 | 29 | seconds = info[:time].to_i % 60 30 | minutes = info[:time].to_i / 60 31 | info[:formatted_time] = format("%d:%02d", minutes, seconds) 32 | 33 | info[:power_string] = case info[:power] 34 | when 0 35 | "Off" 36 | when 3 37 | "Defrost" 38 | when 5 39 | "Low" 40 | when 7 41 | "Medium" 42 | when 10 43 | "High" 44 | else 45 | info[:power] 46 | end 47 | rescue 48 | info = nil 49 | end 50 | 51 | return info 52 | end 53 | 54 | get '/' do 55 | if File.exists?(settings.barcodes_file) 56 | @barcodes = YAML.load_file(settings.barcodes_file) 57 | else 58 | @barcodes = {known: [], unknown: []} 59 | end 60 | 61 | @info = fetch_info 62 | 63 | erb :touchpad 64 | end 65 | 66 | post '/clear_barcodes' do 67 | if File.exists?(settings.barcodes_file) 68 | File.delete(settings.barcodes_file) 69 | end 70 | redirect to('/') 71 | end 72 | 73 | get '/events', provides: 'text/event-stream' do 74 | response.headers['X-Accel-Buffering'] = 'no' # Disable buffering for nginx 75 | stream :keep_open do |out| 76 | settings.connections << out 77 | out.callback { settings.connections.delete(out) } 78 | end 79 | end 80 | 81 | def format_event(body) 82 | "data: #{body}\n\n" 83 | end 84 | 85 | info_thread = Thread.new do 86 | previous_data = nil 87 | while true 88 | if settings.connections.any? 89 | if File.exists?(settings.barcodes_file) 90 | barcodes = YAML.load_file(settings.barcodes_file) 91 | else 92 | barcodes = {known: [], unknown: []} 93 | end 94 | info = fetch_info || {error: true} 95 | 96 | data = {info: info, barcodes: barcodes} 97 | 98 | if data != previous_data 99 | event = format_event(data.to_json) 100 | settings.connections.each { |out| out << event } 101 | 102 | previous_data = data 103 | end 104 | end 105 | 106 | sleep 0.2 107 | end 108 | end 109 | 110 | get '/button/:name' do 111 | puts "Pressing button: #{params[:name]}" 112 | settings.microwave.send_request(:command => {new_button: params[:name]}) 113 | end 114 | -------------------------------------------------------------------------------- /sinatra_app/public/Raspberry_Pi_Logo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ndbroadbent/raspberry_picrowave/5b762bb7905d54544557618ce6c6ed6c34e72605/sinatra_app/public/Raspberry_Pi_Logo.png -------------------------------------------------------------------------------- /sinatra_app/public/application.css: -------------------------------------------------------------------------------- 1 | body { 2 | background-color: #779; 3 | font-family: 'Merriweather Sans', serif; 4 | color: white; 5 | } 6 | 7 | .btn { 8 | font-family: 'Merriweather Sans', serif; 9 | box-shadow: 0 1px 3px #111 !important; 10 | font-weight: bold; 11 | } 12 | 13 | .container { 14 | margin-top: 40px; 15 | width: 270px; 16 | padding: 12px; 17 | text-align: center; 18 | background-image: url("touchpad-background.jpg"); 19 | } 20 | 21 | .barcodes { 22 | background-color: #668; 23 | border: 3px solid #558; 24 | width: 264px; 25 | padding: 12px; 26 | margin: auto; 27 | } 28 | 29 | .barcodes h3 { 30 | text-align: center; 31 | } 32 | 33 | .barcodes li { 34 | margin-left: 12px; 35 | } 36 | 37 | .barcodes li.divider { 38 | list-style: none; 39 | border-bottom: 1px solid #557; 40 | margin: 15px 0; 41 | } 42 | 43 | .barcodes .btn { 44 | margin-left: 7px; 45 | } 46 | 47 | .barcodes hr { 48 | border-color: #557; 49 | } 50 | 51 | .barcodes form { 52 | margin-top: 20px; 53 | text-align: center; 54 | } 55 | 56 | .screen { 57 | width: 221px; 58 | height: 90px; 59 | background-color: #222; 60 | border: 4px solid #555; 61 | margin: auto; 62 | margin-bottom: 55px; 63 | margin-top: 25px; 64 | } 65 | 66 | .screen table { 67 | font-size: 14px; 68 | text-align: center; 69 | margin: auto; 70 | margin-top: 4px; 71 | } 72 | .screen table th { font-weight: normal; text-align: right; } 73 | .screen table td { font-weight: bold; text-align: left; padding-left: 8px; } 74 | 75 | .buttons { 76 | position: relative; 77 | } 78 | 79 | .btn-row { margin-bottom: 26px; clear: both; } 80 | 81 | .main .btn { 82 | width: 95px; 83 | margin-bottom: 22px; 84 | font-size: 15px; 85 | } 86 | .main .btn-row { padding: 0 28px;} 87 | 88 | .main .btn:first-child { float: left; } 89 | .main .btn:last-child { float: right; } 90 | 91 | .raspberry-pi-logo { 92 | width: 75px; 93 | position: absolute; 94 | top: 120px; 95 | left: 34px; 96 | } 97 | 98 | .controls .btn { 99 | float: right; 100 | } 101 | .power .btn { font-size: 14px; } 102 | 103 | /* .power .btn-row, .time .btn-row { 104 | padding: 0 20px; 105 | }*/ 106 | 107 | .autostart-info { 108 | margin: 0; 109 | } 110 | -------------------------------------------------------------------------------- /sinatra_app/public/application.js: -------------------------------------------------------------------------------- 1 | $(function(){ 2 | $(document).on('click', 'button', function(event) { 3 | var buttonName = $(event.currentTarget).data('name'); 4 | $.get('/button/' + buttonName); 5 | }); 6 | 7 | source = new EventSource('/events'); 8 | source.addEventListener('open', function(e) { 9 | console.log("Connection opened"); 10 | }); 11 | 12 | source.addEventListener('error', function(e) { 13 | console.log("Connection error"); 14 | if (e.readyState == EventSource.CLOSED) { 15 | console.log("Connection closed"); 16 | } 17 | }); 18 | 19 | source.addEventListener('message', function(e) { 20 | data = JSON.parse(e.data) 21 | var info = data.info, barcodes = data.barcodes; 22 | 23 | if (info.error) { 24 | $('.screen .info').hide(); 25 | $('.screen .error').show(); 26 | } else { 27 | $('.screen.error').hide(); 28 | $('.screen .on').html(info.on ? 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  • " + val + 38 | ': Add Product' 39 | "
    • "; 40 | }); 41 | 42 | if (barcodes.unknown.length && barcodes.known.length) { barcodeHTML += '
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