├── .gitignore ├── LICENSE ├── README.md ├── images ├── pm8000.jpg ├── rfexplorer-plot.png └── rfexplorer.jpg ├── lib ├── RFExplorerComm.py └── __init__.py ├── pm8000.py ├── requirements.txt └── rfexplorer.py /.gitignore: -------------------------------------------------------------------------------- 1 | *.pyc 2 | .vscode 3 | .env 4 | __pycache__ 5 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | 676 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # RF tools utils 2 | 3 | This repository is a script toolbox to interact with RF tools like the RF Power Monitor 8000 or the RF Explorer. 4 | 5 | ## Installation 6 | 7 | The scripts in the repo use python 3.X and are meant to be used from a Linux machine. The best way to set up the work environment is using virtualenv. You will also need python-tk. 8 | 9 | ``` 10 | sudo apt-get install python-tk 11 | sudo pip install virtualenv 12 | ``` 13 | 14 | Then prepare your workspace: 15 | 16 | ``` 17 | git clone https://github.com/xoseperez/rf-tools 18 | cd rf-tools 19 | virtualenv --python=python3.5 .env 20 | . ./.env/bin/activate 21 | pip install -r requirements.txt 22 | ``` 23 | 24 | And you are ready to go... 25 | 26 | ## Tools 27 | 28 | ### Power Monitor 8000 29 | 30 | The Power Monitor 8000 is an RF power monitor with a wide range (up to 8GHz) and impressive quality for it's price. You can read more about it in my post about RF power monitor tools on the cheap. 31 | 32 | ![pm8000](images/pm8000.jpg) 33 | 34 | The `pm8000.py` script reads the data from the Power Monitor 8000 via USB port and dumps it in a CSV like style with a timestamp and the amplitude of the signal. You can set the center frequency (integer, MHz) and offset (float, dB) form the command line. 35 | 36 | ``` 37 | $ python pm8000.py -f 169 -o -20.0 38 | timestamp,amplitude 39 | ... 40 | 002257,-72.4 41 | 002383,-72.4 42 | 002509,-72.4 43 | 002635,-72.4 44 | 002760,-72.4 45 | 002886,-72.5 46 | 003012,-72.4 47 | 003138,-72.4 48 | 003264,-72.5 49 | 003389,-21.8 50 | 003515,-72.4 51 | 003641,-72.4 52 | ... 53 | ``` 54 | 55 | ### RF Explorer 56 | 57 | ![rfexplorer](images/rfexplorer.jpg) 58 | 59 | The `rfexplorer.py` script allows you to get data from you RF Explorer Handheld Spectrum Analyzer in different ways. The first thing you can do is to get the help from the device: 60 | 61 | ``` 62 | $ python rfexplorer.py -h 63 | usage: rfexplorer.py [-h] [-m {peak,swipe,plot}] [-r] [-c FREQ_CENTER] 64 | [-s FREQ_SPAN] [-d DURATION] [-p PORT] 65 | 66 | optional arguments: 67 | -h, --help show this help message and exit 68 | -m {peak,swipe,plot} output mode 69 | -r reset RF Explorer 70 | -c FREQ_CENTER frequency center 71 | -s FREQ_SPAN frequency span 72 | -d DURATION monitor for these many seconds 73 | -p PORT USB port to use, otherwise will try to find it 74 | 75 | Usage examples: 76 | 77 | Monitor and print peaks from 862.5 to 873.7 for 60 seconds 78 | python rfexplorer.py -c 868.1 -s 11.2 -t 60 79 | 80 | Plot range of frequencies in real time 81 | python rfexplorer.py -m plot 82 | 83 | (c) 2019-2021 Xose Pérez (@xoseperez) 84 | ``` 85 | 86 | The three different modes have different outputs. The `peak` mode is the default one and it's equivalent to the one in the pm8000 script above: 87 | 88 | ``` 89 | $ python rfexplorer.py 90 | Detected COM ports: 91 | * /dev/ttyS4 92 | * /dev/ttyUSB0 93 | /dev/ttyS4 is a valid available port. 94 | /dev/ttyUSB0 is a valid available port. 95 | RF Explorer Valid Ports found: 2 - /dev/ttyS4 /dev/ttyUSB0 96 | User COM port: /dev/ttyUSB0 97 | Connected: /dev/ttyUSB0, 500000 bauds 98 | RF Explorer 01.28 05-Apr-19 01.04.05 99 | Received RF Explorer device model info:#C2-M:003,005,01.28 100 | #QA:0 101 | New Freq range - buffer cleared. 102 | Frequency center: 868.1MHz start: 862.5MHz stop: 873.7MHz span: 11.2MHz 103 | timestamp,frequency,amplitude 104 | Device serial number: B3A4EML7353958JE 105 | New Freq range - buffer cleared. 106 | 001318,869.97,-104.0 107 | 001402,869.97,-104.5 108 | 001484,869.56,-104.0 109 | 001626,865.93,-104.5 110 | 001718,869.97,-102.0 111 | 001840,869.76,-106.0 112 | 001957,866.94,-100.5 113 | 002079,869.97,-101.0 114 | 002196,868.55,-104.0 115 | 002298,868.76,-104.0 116 | 002415,869.97,-103.0 117 | 002533,869.97,-103.0 118 | 002655,869.97,-103.0 119 | 002772,869.97,-103.0 120 | ``` 121 | 122 | The `swipe` mode will output full range data for the scanned frequencies as a CSV file too: 123 | 124 | ``` 125 | $ python rfexplorer.py -m swipe 126 | Detected COM ports: 127 | * /dev/ttyS4 128 | * /dev/ttyUSB0 129 | /dev/ttyS4 is a valid available port. 130 | /dev/ttyUSB0 is a valid available port. 131 | RF Explorer Valid Ports found: 2 - /dev/ttyS4 /dev/ttyUSB0 132 | User COM port: /dev/ttyUSB0 133 | Connected: /dev/ttyUSB0, 500000 bauds 134 | RF Explorer 01.28 05-Apr-19 01.04.05 135 | Received RF Explorer device model info:#C2-M:003,005,01.28 136 | #QA:0 137 | New Freq range - buffer cleared. 138 | Frequency center: 868.1MHz start: 862.5MHz stop: 873.7MHz span: 11.2MHz 139 | Device serial number: B3A4EML7353958JE 140 | timestamp,862.50,862.60,862.70,862.80,862.90,863.00,863.11,863.21,863.31,863.41,863.51,863.61,863.71,863.81,863.91,864.01,864.11,864.22,864.32,864.42,864.52,864.62,864.72,864.82,864.92,865.02,865.12,865.22,865.33,865.43,865.53,865.63,865.73,865.83,865.93,866.03,866.13,866.23,866.33,866.44,866.54,866.64,866.74,866.84,866.94,867.04,867.14,867.24,867.34,867.44,867.54,867.65,867.75,867.85,867.95,868.05,868.15,868.25,868.35,868.45,868.55,868.65,868.76,868.86,868.96,869.06,869.16,869.26,869.36,869.46,869.56,869.66,869.76,869.87,869.97,870.07,870.17,870.27,870.37,870.47,870.57,870.67,870.77,870.87,870.98,871.08,871.18,871.28,871.38,871.48,871.58,871.68,871.78,871.88,871.98,872.09,872.19,872.29,872.39,872.49,872.59,872.69,872.79,872.89,872.99,873.09,873.20,873.30,873.40,873.50,873.60,873.70 141 | 000000,-116.0,-116.0,-109.0,-115.5,-116.0,-113.0,-114.5,-109.0,-113.0,-116.0,-115.0,-116.0,-110.5,-116.0,-110.5,-112.5,-116.0,-113.5,-114.0,-116.0,-116.0,-112.0,-116.0,-114.0,-116.0,-113.0,-111.5,-112.5,-113.5,-111.0,-113.5,-116.0,-113.5,-116.0,-111.0,-112.5,-111.0,-113.0,-113.5,-115.0,-115.0,-116.0,-116.0,-109.0,-115.5,-115.0,-116.0,-112.5,-110.5,-115.0,-113.0,-107.0,-116.0,-113.5,-116.0,-116.0,-113.5,-109.5,-116.0,-116.0,-115.0,-116.0,-116.0,-116.0,-114.0,-115.0,-112.5,-116.0,-113.0,-116.0,-116.0,-116.0,-112.0,-113.5,-105.0,-108.5,-116.0,-107.0,-112.5,-112.5,-106.0,-116.0,-110.0,-116.0,-116.0,-116.0,-113.5,-116.0,-111.0,-115.0,-116.0,-115.0,-116.0,-116.0,-114.0,-112.0,-113.5,-107.5,-115.5,-116.0,-113.0,-115.5,-114.5,-113.0,-113.0,-116.0,-113.0,-116.0,-113.0,-114.5,-114.5,-116.0 142 | ``` 143 | 144 | Finally the `plot` mode mimics the screen of the RF Explorer in your computer: 145 | 146 | ``` 147 | $ python rfexplorer.py -m plot 148 | Detected COM ports: 149 | * /dev/ttyS4 150 | * /dev/ttyUSB0 151 | /dev/ttyS4 is a valid available port. 152 | /dev/ttyUSB0 is a valid available port. 153 | RF Explorer Valid Ports found: 2 - /dev/ttyS4 /dev/ttyUSB0 154 | User COM port: /dev/ttyUSB0 155 | Connected: /dev/ttyUSB0, 500000 bauds 156 | RF Explorer 01.28 05-Apr-19 01.04.05 157 | Received RF Explorer device model info:#C2-M:003,005,01.28 158 | #QA:0 159 | New Freq range - buffer cleared. 160 | Frequency center: 868.1MHz start: 862.5MHz stop: 873.7MHz span: 11.2MHz 161 | Device serial number: B3A4EML7353958JE 162 | ``` 163 | 164 | ![rfexplorer.py plot mode](images/rfexplorer-plot.png) 165 | 166 | ## License 167 | 168 | Copyright (C) 2019-2021 by Xose Pérez (@xoseperez) 169 | 170 | This program is free software: you can redistribute it and/or modify 171 | it under the terms of the GNU General Public License as published by 172 | the Free Software Foundation, either version 3 of the License, or 173 | (at your option) any later version. 174 | 175 | This program is distributed in the hope that it will be useful, 176 | but WITHOUT ANY WARRANTY; without even the implied warranty of 177 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 178 | GNU General Public License for more details. 179 | 180 | You should have received a copy of the GNU General Public License 181 | along with this program. If not, see . 182 | -------------------------------------------------------------------------------- /images/pm8000.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xoseperez/rf-tools/a9c7ff308fc256dd13031004ee8d34424976644d/images/pm8000.jpg -------------------------------------------------------------------------------- /images/rfexplorer-plot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xoseperez/rf-tools/a9c7ff308fc256dd13031004ee8d34424976644d/images/rfexplorer-plot.png -------------------------------------------------------------------------------- /images/rfexplorer.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xoseperez/rf-tools/a9c7ff308fc256dd13031004ee8d34424976644d/images/rfexplorer.jpg -------------------------------------------------------------------------------- /lib/RFExplorerComm.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/python 2 | 3 | import os 4 | import re 5 | import glob 6 | import time 7 | 8 | import serial.tools.list_ports 9 | import serial 10 | 11 | import RFExplorer 12 | 13 | class RFExplorerComm(RFExplorer.RFECommunicator): 14 | 15 | VENDOR_ID = 0x10c4 16 | PRODUCT_ID = 0xea60 17 | 18 | def __init__(self): 19 | RFExplorer.RFECommunicator.__init__(self) 20 | 21 | def find(self): 22 | """ 23 | Looks for RF Explorer device 24 | """ 25 | devices = [] 26 | 27 | for dn in glob.glob('/sys/bus/usb/devices/*'): 28 | try: 29 | vid = int(open(os.path.join(dn, "idVendor" )).read().strip(), 16) 30 | pid = int(open(os.path.join(dn, "idProduct")).read().strip(), 16) 31 | if ((vid == self.VENDOR_ID) and (pid == self.PRODUCT_ID)): 32 | dns = glob.glob(os.path.join(dn, os.path.basename(dn) + "*")) 33 | for sdn in dns: 34 | for fn in glob.glob(os.path.join(sdn, "*")): 35 | if re.search(r"\/ttyUSB[0-9]+$", fn): 36 | devices.append(os.path.join("/dev", os.path.basename(fn))) 37 | pass 38 | pass 39 | pass 40 | pass 41 | except ( ValueError, TypeError, AttributeError, OSError, IOError ): 42 | pass 43 | pass 44 | 45 | return devices 46 | 47 | def IsConnectedPort(self, sPortName): 48 | """True if it is possible connect to specific port, otherwise False 49 | 50 | Parameters: 51 | sPortName -- Serial port name, can take any form accepted by OS 52 | Returns: 53 | Boolean True if it is possible connect to specific port, otherwise False 54 | """ 55 | self.m_objSerialPort.baudrate = 500000 56 | self.m_objSerialPort.port = sPortName 57 | bOpen = False 58 | try: 59 | self.m_hSerialPortLock.acquire() 60 | self.m_objSerialPort.open() 61 | except Exception as obEx: 62 | None 63 | finally: 64 | if(self.m_objSerialPort.is_open): 65 | bOpen = True 66 | self.m_objSerialPort.close() 67 | self.m_hSerialPortLock.release() 68 | 69 | return bOpen 70 | 71 | def GetConnectedPorts(self): 72 | """ Found the valid available serial port 73 | 74 | Returns: 75 | Boolean True if it found valid available serial port, False otherwise 76 | """ 77 | bOk = True 78 | self.m_arrValidCP2102Ports = [] 79 | 80 | try: 81 | self.m_arrConnectedPorts = list(serial.tools.list_ports.comports()) 82 | if(self.m_arrConnectedPorts): 83 | for objPort in self.m_arrConnectedPorts: 84 | 85 | try: 86 | if (self.IsConnectedPort(objPort.device)): 87 | self.m_arrValidCP2102Ports.append(objPort) 88 | except: 89 | None 90 | 91 | if(len(self.m_arrValidCP2102Ports) > 0): 92 | print("RF Explorer Valid Ports found: " + str(len(self.m_arrValidCP2102Ports)) + " - " + ",".join([objPort.device for objPort in self.m_arrValidCP2102Ports])) 93 | else: 94 | print("Error: not found valid COM Ports") 95 | bOk = False 96 | else: 97 | print("Serial ports not detected") 98 | bOk = False 99 | except Exception as obEx: 100 | print("Error scanning COM ports: " + str(obEx)) 101 | bOk = False 102 | 103 | return bOk 104 | 105 | def connect(self, port = None, baudrate = 500000): 106 | 107 | self.GetConnectedPorts() 108 | 109 | # Find port 110 | if port == None: 111 | ports = self.find() 112 | if len(ports) > 0: 113 | port = ports[0] 114 | if port == None: 115 | return False 116 | 117 | # Connect to available port 118 | return self.ConnectPort(port, baudrate) 119 | 120 | def reset(self): 121 | 122 | # Reset the unit to start fresh 123 | self.SendCommand("r") 124 | 125 | # Wait for unit to notify reset completed 126 | while(self.IsResetEvent): 127 | pass 128 | 129 | # Wait for unit to stabilize 130 | time.sleep(3) 131 | 132 | def init(self): 133 | 134 | #Request RF Explorer configuration 135 | self.SendCommand_RequestConfigData() 136 | 137 | #Wait to receive configuration and model details 138 | while(self.ActiveModel == RFExplorer.RFE_Common.eModel.MODEL_NONE): 139 | 140 | #Process the received configuration 141 | self.ProcessReceivedString(True) 142 | 143 | def range(self, center, span): 144 | 145 | # Check limits 146 | local_span = span 147 | if local_span > self.MaxSpanMHZ: 148 | local_span = self.MaxSpanMHZ 149 | local_start = center - span / 2 150 | local_stop = center + span / 2 151 | 152 | corrected = False 153 | if local_start < self.MinFreqMHZ: 154 | local_stop = local_stop + self.MinFreqMHZ - local_start 155 | local_start = self.MinFreqMHZ 156 | corrected = True 157 | if local_stop > self.MaxFreqMHZ: 158 | if not corrected: 159 | local_start = local_start + self.MaxFreqMHZ - local_stop 160 | local_stop = self.MaxFreqMHZ 161 | local_span = local_stop - local_start 162 | 163 | self.SpanMHZ = local_span 164 | self.StartFrequencyMHZ = local_start 165 | self.UpdateDeviceConfig(local_start, local_stop) 166 | 167 | print("Frequency center: {0}MHz start: {1}MHz stop: {2}MHz span: {3}MHz".format(local_start + local_span / 2, local_start, local_stop, local_span)) 168 | 169 | 170 | 171 | 172 | -------------------------------------------------------------------------------- /lib/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xoseperez/rf-tools/a9c7ff308fc256dd13031004ee8d34424976644d/lib/__init__.py -------------------------------------------------------------------------------- /pm8000.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # -*- coding: utf-8 -*- 3 | 4 | import os 5 | import re 6 | import sys 7 | import glob 8 | import time 9 | import serial 10 | import argparse 11 | import textwrap 12 | 13 | import matplotlib.pyplot as plt 14 | from drawnow import * 15 | 16 | #--------------------------------------------------------- 17 | # Configuration 18 | #--------------------------------------------------------- 19 | 20 | BAUDRATE = 9600 21 | DURATION = 60 22 | VENDOR_ID = 0x1a86 23 | PRODUCT_ID = 0x7523 24 | DBM_MIN = -80 25 | DBM_MAX = 0 26 | DBM_FILTER = 0 27 | PLOT_LAST = 100 28 | DEFAULT_FREQUENCY = 169 29 | 30 | #--------------------------------------------------------- 31 | # Command line arguments 32 | #--------------------------------------------------------- 33 | 34 | def arguments(): 35 | 36 | epilog = """ 37 | Usage examples: 38 | 39 | Plot the amplitude in real time 40 | python {0} -m plot -f 169 -o -20 41 | 42 | (c) 2019-2021 Xose Pérez (@xoseperez)""".format(sys.argv[0]) 43 | 44 | # Parse command line options 45 | parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, epilog=textwrap.dedent(epilog)) 46 | parser.add_argument("-f", dest="freq", help="Center frequency", type=int, default=DEFAULT_FREQUENCY) 47 | parser.add_argument("-o", dest="offset", help="Offset in dB", type=float, default=0) 48 | parser.add_argument("-m", dest="mode", help="Output mode", choices=['peak', 'plot'], default="peak") 49 | parser.add_argument("-t", dest="threshold", help="Annotation threshold", type=int, default=DBM_FILTER) 50 | parser.add_argument("-d", dest="duration", type=int, help="Monitor for these many seconds (0 for non-stop)", default=DURATION) 51 | parser.add_argument("-p", dest="port", help="USB port to use, otherwise will try to find it", default=None) 52 | return parser.parse_args() 53 | 54 | #--------------------------------------------------------- 55 | # Printer functions 56 | #--------------------------------------------------------- 57 | 58 | class Color: 59 | DEFAULT = '\x1b[0m' 60 | GREY = '\x1b[1;37m' 61 | GREEN = '\x1b[1;32m' 62 | BLUE = '\x1b[1;34m' 63 | YELLOW = '\x1b[1;33m' 64 | RED = '\x1b[1;31m' 65 | MAGENTA = '\x1b[1;35m' 66 | CYAN = '\x1b[1;36m' 67 | 68 | class PrinterBase(object): 69 | 70 | start = time.time() 71 | threshold = DBM_FILTER 72 | 73 | def __init__(self, threshold): 74 | self.threshold = threshold 75 | None 76 | 77 | def header(self): 78 | None 79 | 80 | def row(self, value): 81 | None 82 | 83 | class PrintPeak(PrinterBase): 84 | 85 | default_color = Color.BLUE 86 | highlight_color = Color.YELLOW 87 | 88 | def header(self): 89 | print(Color.GREEN + "timestamp,amplitude" + self.default_color) 90 | 91 | def row(self, value): 92 | timestamp = int(1000 * (time.time() - self.start)) 93 | color = self.highlight_color if value > self.threshold else self.default_color 94 | print(color + "{0:06d},{1:.1f}".format(timestamp, value) + self.default_color) 95 | 96 | class PrintPlot(PrinterBase): 97 | 98 | x = [] 99 | y = [] 100 | peaks = [] 101 | font = None 102 | 103 | def plotter(self): 104 | plt.ylim(DBM_MIN, DBM_MAX) 105 | plt.grid(True) 106 | plt.plot(self.x, self.y, 'r-') 107 | plt.xlabel('time (s)', fontdict=self.font) 108 | plt.ylabel('amplitude (dBm)', fontdict=self.font) 109 | for index in range(len(self.peaks)): 110 | peak = self.peaks[index] 111 | plt.text(peak.get("x"), peak.get("y") + 1, peak.get("text"), fontdict=self.font) 112 | 113 | def header(self): 114 | self.x = [0] * PLOT_LAST 115 | self.y = [DBM_MIN] * PLOT_LAST 116 | self.font = {'family': 'serif', 'color': 'darkred', 'weight': 'normal', 'size': 8 } 117 | plt.ion() 118 | 119 | def row(self, value): 120 | 121 | timestamp = time.time() - self.start 122 | 123 | self.x.append(timestamp) 124 | del self.x[0] 125 | self.y.append(value) 126 | del self.y[0] 127 | 128 | if value > self.threshold: 129 | peak = dict( x=timestamp, y=value, text="{0:.2f},{1:.1f}".format(timestamp, value)) 130 | self.peaks.append(peak) 131 | 132 | if len(self.peaks) > 0: 133 | if self.peaks[0].get("x") < self.x[0]: 134 | del self.peaks[0] 135 | 136 | drawnow(self.plotter) 137 | 138 | #--------------------------------------------------------- 139 | # Helper methods 140 | #--------------------------------------------------------- 141 | 142 | def find_devices(vendor_id = None, product_id = None): 143 | """ 144 | Looks for USB devices 145 | optionally filtering by with the provided vendor and product IDs 146 | """ 147 | devices = [] 148 | 149 | for dn in glob.glob('/sys/bus/usb/devices/*'): 150 | try: 151 | vid = int(open(os.path.join(dn, "idVendor" )).read().strip(), 16) 152 | pid = int(open(os.path.join(dn, "idProduct")).read().strip(), 16) 153 | if ((vendor_id is None) or (vid == vendor_id)) and ((product_id is None) or (pid == product_id)): 154 | dns = glob.glob(os.path.join(dn, os.path.basename(dn) + "*")) 155 | for sdn in dns: 156 | for fn in glob.glob(os.path.join(sdn, "*")): 157 | if re.search(r"\/ttyUSB[0-9]+$", fn): 158 | devices.append(os.path.join("/dev", os.path.basename(fn))) 159 | pass 160 | pass 161 | pass 162 | pass 163 | except ( ValueError, TypeError, AttributeError, OSError, IOError ): 164 | pass 165 | pass 166 | 167 | return devices 168 | 169 | #--------------------------------------------------------- 170 | # Main 171 | #--------------------------------------------------------- 172 | 173 | ser = None 174 | 175 | try: 176 | 177 | # Parse arguments 178 | args = arguments() 179 | 180 | port = args.port 181 | if port == None: 182 | ports = find_devices(VENDOR_ID, PRODUCT_ID) 183 | if len(ports) > 0: 184 | port = ports[0] 185 | if port == None: 186 | print("RF Power monitor not found") 187 | sys.exit(1) 188 | ser = serial.Serial(port=port, baudrate=BAUDRATE, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS, timeout=0) 189 | 190 | # Get mode printer 191 | printer = None 192 | if args.mode == "peak": 193 | printer = PrintPeak(args.threshold) 194 | if args.mode == "plot": 195 | printer = PrintPlot(args.threshold) 196 | if printer == None: 197 | print("Invalid mode '{0}'".format(args.mode)) 198 | sys.exit(1) 199 | printer.header() 200 | 201 | pattern = re.compile("\$([\s0-9.-]+).*\$") 202 | startTime = time.time() 203 | 204 | # Configure meter 205 | offset_sign = '-' if args.offset < 0 else '+' 206 | offset_int = abs(int(args.offset)) 207 | offset_dec = abs(10*args.offset) - 10*offset_int 208 | message = "$%04d%s%02d.%1d#" % (args.freq, offset_sign, offset_int, offset_dec) 209 | ser.write(bytes(message, 'utf-8')) 210 | 211 | while ((args.duration == 0) or ((time.time() - startTime) < args.duration)): 212 | try: 213 | line = ser.readline().decode('utf-8') 214 | result = pattern.match(line) 215 | if result: 216 | dbm = float(result.group(1).replace(" ", "")) 217 | printer.row(dbm) 218 | except UnicodeDecodeError: 219 | None 220 | 221 | except KeyboardInterrupt: 222 | None 223 | 224 | except Exception as obEx: 225 | print("Error: " + str(obEx)) 226 | 227 | if ser: 228 | ser.close() 229 | -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | cycler==0.10.0 2 | drawnow==0.72.0 3 | kiwisolver==1.0.1 4 | matplotlib==3.0.3 5 | pyparsing==2.4.0 6 | pyserial==3.4 7 | python-dateutil==2.8.0 8 | RFExplorer==1.26.1806.1 9 | six==1.12.0 10 | -------------------------------------------------------------------------------- /rfexplorer.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # -*- coding: utf-8 -*- 3 | 4 | import sys 5 | import time 6 | import argparse 7 | import textwrap 8 | 9 | import matplotlib.pyplot as plt 10 | from drawnow import * 11 | 12 | from lib.RFExplorerComm import RFExplorerComm 13 | 14 | #--------------------------------------------------------- 15 | # Configuration 16 | #--------------------------------------------------------- 17 | 18 | BAUDRATE = 500000 19 | DURATION = 60 20 | FREQ_CENTER = 866.5 21 | FREQ_SPAN = 7.0 22 | FREQ_FROM = FREQ_CENTER - FREQ_SPAN / 2 23 | FREQ_TO = FREQ_CENTER + FREQ_SPAN / 2 24 | DBM_MIN = -120 25 | DBM_MAX = 0 26 | 27 | #--------------------------------------------------------- 28 | # Command line arguments 29 | #--------------------------------------------------------- 30 | 31 | def arguments(): 32 | 33 | epilog = """ 34 | Usage examples: 35 | 36 | Monitor and print peaks from 863.0 to 870.0 for 60 seconds 37 | python {0} -f 863 -t 870 -d 60 38 | 39 | Plot range of frequencies in real time 40 | python {0} -m plot 41 | 42 | (c) 2019-2024 Xose Pérez (@xoseperez)""".format(sys.argv[0]) 43 | 44 | # Parse command line options 45 | parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, epilog=textwrap.dedent(epilog)) 46 | parser.add_argument("-m", dest="mode", help="output mode", choices=['peak', 'swipe', 'plot'], default="peak") 47 | parser.add_argument("-r", dest="reset", help="reset RF Explorer", action='store_true') 48 | parser.add_argument("-c", dest="freq_center", type=float, help="frequency center", default=None) 49 | parser.add_argument("-s", dest="freq_span", type=float, help="frequency span", default=FREQ_SPAN) 50 | parser.add_argument("-f", dest="freq_from", type=float, help="frequency start", default=None) 51 | parser.add_argument("-t", dest="freq_to", type=float, help="frequency start", default=None) 52 | parser.add_argument("-d", dest="duration", type=int, help="monitor for these many seconds (0 for non-stop)", default=DURATION) 53 | parser.add_argument("-p", dest="port", help="USB port to use, otherwise will try to find it", default=None) 54 | return parser.parse_args() 55 | 56 | #--------------------------------------------------------- 57 | # Printer functions 58 | #--------------------------------------------------------- 59 | 60 | class RFEPrinter(object): 61 | 62 | objAnalyzer = None 63 | start = time.time() 64 | 65 | def __init__(self, objAnalyzer): 66 | self.objAnalyzer = objAnalyzer 67 | 68 | def header(self): 69 | None 70 | 71 | def row(self): 72 | None 73 | 74 | class PrintPeak(RFEPrinter): 75 | 76 | MM_SIZE = 10 77 | ring = [0] * MM_SIZE 78 | average = 0 79 | position = 0 80 | 81 | 82 | def header(self): 83 | print("timestamp,frequency,amplitude") 84 | 85 | def row(self): 86 | nIndex = self.objAnalyzer.SweepData.Count - 1 87 | objSweepTemp = self.objAnalyzer.SweepData.GetData(nIndex) 88 | nStep = objSweepTemp.GetPeakStep() 89 | fAmplitudeDBM = objSweepTemp.GetAmplitude_DBM(nStep) 90 | fCenterFreq = objSweepTemp.GetFrequencyMHZ(nStep) 91 | timestamp = int(1000 * (time.time() - self.start)) 92 | print("%06d,%.2f,%.1f" % (timestamp, fCenterFreq, fAmplitudeDBM)) 93 | 94 | class PrintSwipe(RFEPrinter): 95 | 96 | def header(self): 97 | self.objAnalyzer.ProcessReceivedString(True) 98 | nIndex = self.objAnalyzer.SweepData.Count - 1 99 | objSweepTemp = self.objAnalyzer.SweepData.GetData(nIndex) 100 | sResult = "" 101 | for nStep in range(objSweepTemp.TotalSteps): 102 | sResult += str(',{0:.2f}'.format(objSweepTemp.GetFrequencyMHZ(nStep))) 103 | print("timestamp{0}".format(sResult)) 104 | 105 | def row(self): 106 | nIndex = self.objAnalyzer.SweepData.Count - 1 107 | objSweepTemp = self.objAnalyzer.SweepData.GetData(nIndex) 108 | timestamp = int(1000 * (time.time() - startTime)) 109 | sResult = "" 110 | for nStep in range(objSweepTemp.TotalSteps): 111 | sResult += str(',{:.1f}'.format(objSweepTemp.GetAmplitudeDBM(nStep, None, False))) 112 | print("{0:06d}{1}".format(timestamp, sResult)) 113 | 114 | class PrintPlot(RFEPrinter): 115 | 116 | y = [] 117 | x = [] 118 | h = [] 119 | peak = DBM_MIN 120 | text = None 121 | peak_freq = 0 122 | font = None 123 | 124 | def plotter(self): 125 | plt.ylim(DBM_MIN, DBM_MAX) 126 | plt.grid(True) 127 | plt.plot(self.x, self.h, 'k-', alpha=0.2) 128 | plt.plot(self.x, self.y, 'r-') 129 | plt.xlabel('frequency (MHz)', fontdict=self.font) 130 | plt.ylabel('amplitude (dBm)', fontdict=self.font) 131 | plt.text(self.peak_freq, self.peak+1, self.text, fontdict=self.font) 132 | 133 | def header(self): 134 | self.objAnalyzer.ProcessReceivedString(True) 135 | nIndex = self.objAnalyzer.SweepData.Count - 1 136 | objSweepTemp = self.objAnalyzer.SweepData.GetData(nIndex) 137 | self.x = [0] * objSweepTemp.TotalSteps 138 | for nStep in range(objSweepTemp.TotalSteps): 139 | self.x[nStep] = objSweepTemp.GetFrequencyMHZ(nStep) 140 | self.y = [DBM_MIN] * objSweepTemp.TotalSteps 141 | self.h = [DBM_MIN] * objSweepTemp.TotalSteps 142 | self.font = {'family': 'serif', 'color': 'darkred', 'weight': 'normal', 'size': 8 } 143 | plt.ion() 144 | 145 | def row(self): 146 | nIndex = self.objAnalyzer.SweepData.Count - 1 147 | objSweepTemp = self.objAnalyzer.SweepData.GetData(nIndex) 148 | for nStep in range(objSweepTemp.TotalSteps): 149 | value = objSweepTemp.GetAmplitudeDBM(nStep, None, False) 150 | self.y[nStep] = value 151 | if value > self.h[nStep]: 152 | self.h[nStep] = value 153 | if value > self.peak: 154 | self.peak = value 155 | self.peak_freq = objSweepTemp.GetFrequencyMHZ(nStep) 156 | self.text = "{0:.2f},{1:.1f}".format(self.peak_freq, value) 157 | 158 | drawnow(self.plotter) 159 | 160 | #--------------------------------------------------------- 161 | # Main processing loop 162 | #--------------------------------------------------------- 163 | 164 | try: 165 | 166 | # Parse arguments 167 | args = arguments() 168 | 169 | # Initialize object and thread 170 | objRFE = RFExplorerComm() 171 | objRFE.AutoConfigure = False 172 | 173 | # Frequecy span 174 | center = args.freq_center 175 | span = args.freq_span 176 | if not center: 177 | start = args.freq_from or FREQ_FROM 178 | end = args.freq_to or FREQ_TO 179 | if end > start: 180 | center = (start + end) / 2 181 | span = end - start 182 | else: 183 | center = FREQ_CENTER 184 | 185 | # Connect 186 | if objRFE.connect(args.port, BAUDRATE): 187 | 188 | # User requested a reset? 189 | if args.reset: 190 | objRFE.reset() 191 | 192 | # Request RF Explorer configuration 193 | objRFE.init() 194 | 195 | # If object is an analyzer, we can scan for received sweeps 196 | if (objRFE.IsAnalyzer()): 197 | 198 | # Define frequency span 199 | objRFE.range(center, span) 200 | 201 | # Get mode printer 202 | printer = None 203 | if args.mode == "peak": 204 | printer = PrintPeak(objRFE) 205 | if args.mode == "swipe": 206 | printer = PrintSwipe(objRFE) 207 | if args.mode == "plot": 208 | printer = PrintPlot(objRFE) 209 | if printer == None: 210 | print("Invalid mode '{0}'".format(args.mode)) 211 | sys.exit(1) 212 | printer.header() 213 | 214 | # Process until we complete scan time 215 | last = 0 216 | startTime = time.time() 217 | 218 | while ((args.duration == 0) or ((time.time() - startTime) < args.duration)): 219 | 220 | # Process all received data from device 221 | objRFE.ProcessReceivedString(True) 222 | 223 | # Print data if received new sweep only 224 | if (objRFE.SweepData.Count > last): 225 | last = objRFE.SweepData.Count 226 | printer.row() 227 | 228 | else: 229 | print("Error: Device connected is a Signal Generator. \nPlease, connect a Spectrum Analyzer") 230 | 231 | else: 232 | print("Not Connected") 233 | 234 | except KeyboardInterrupt: 235 | None 236 | 237 | except Exception as obEx: 238 | print("Error: " + str(obEx)) 239 | 240 | #--------------------------------------------------------- 241 | # Close object and release resources 242 | #--------------------------------------------------------- 243 | 244 | objRFE.Close() #Finish the thread and close port 245 | objRFE = None 246 | --------------------------------------------------------------------------------