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cc1101-tool-esp8266-wifi-ap.ino
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cc1101-tool-esp8266-wifi-ap.ino
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//
// CC1101 interactive terminal tool
// allows for sending / receiving data over serial port
// on selected radio channel, modulation, ..
//
// (C) Adam Loboda '2023 , [email protected]
//
// based on great SmartRC library by Little_S@tan
// Please download ZIP from
// https://github.com/LSatan/SmartRC-CC1101-Driver-Lib
// and attach it as ZIP library for Arduino
//
// Also uses Arduino Command Line interpreter by Edgar Bonet
// from https://gist.github.com/edgar-bonet/607b387260388be77e96
//
// This code will ONLY work with ESP8266 board, WIFI version
//
#include <ELECHOUSE_CC1101_SRC_DRV.h>
#include <EEPROM.h>
#include <ESP8266WiFi.h>
#define CCBUFFERSIZE 64
#define RECORDINGBUFFERSIZE 4096 // Buffer for recording the frames
#define EPROMSIZE 4096 // Size of EEPROM in your Arduino chip. For ESP8266 size is 4096
#define BUF_LENGTH 128 // Buffer for the incoming command.
// defining PINs set for ESP8266 - WEMOS D1 MINI module
byte sck = 14; // GPIO 14
byte miso = 12; // GPIO 12
byte mosi = 13; // GPIO 13
byte ss = 15; // GPIO 15
int gdo0 = 5; // GPIO 5
int gdo2 = 4; // GPIO 4
// You need to attach ESP8266 board to your own WIFI router
#define LED_BUILTIN 2
#define TCP_PORT (23) // Choose any port you want
WiFiServer tcpserver(TCP_PORT);
WiFiClient tcpclient ; // class for handling incoming telnet connection
IPAddress ip(192, 168, 1, 100); // Local Static IP address
IPAddress gateway(192, 168, 1, 1); // Gateway IP address
IPAddress subnet(255, 255, 255, 0); // Subnet Mask
const char ssid[] = "cc1101"; // Change to your ESP8266 AP SSID
const char password[] = "cc1101"; // Change to your ESP8266 AP Password
// position in big recording buffer
int bigrecordingbufferpos = 0;
// number of frames in big recording buffer
int framesinbigrecordingbuffer = 0;
// check if CLI receiving mode enabled
int receivingmode = 0;
// check if CLI jamming mode enabled
int jammingmode = 0;
// check if CLI recording mode enabled
int recordingmode = 0;
// check if CLI chat mode enabled
int chatmode = 0;
static bool do_echo = true;
// buffer for receiving CC1101
byte ccreceivingbuffer[CCBUFFERSIZE] = {0};
// buffer for sending CC1101
byte ccsendingbuffer[CCBUFFERSIZE] = {0};
//char ccsendingbuffer[CCBUFFERSIZE] = {0};
// buffer for recording and replaying of many frames
byte bigrecordingbuffer[RECORDINGBUFFERSIZE] = {0};
// buffer for hex to ascii conversions
byte textbuffer[BUF_LENGTH];
//char textbuffer[BUF_LENGTH];
// convert bytes in table to string with hex numbers
void asciitohex(byte *ascii_ptr, byte *hex_ptr,int len)
{
byte i,j,k;
for(i = 0; i < len; i++)
{
// high byte first
j = ascii_ptr[i] / 16;
if (j>9)
{ k = j - 10 + 65; }
else
{ k = j + 48; }
hex_ptr[2*i] = k ;
// low byte second
j = ascii_ptr[i] % 16;
if (j>9)
{ k = j - 10 + 65; }
else
{ k = j + 48; }
hex_ptr[(2*i)+1] = k ;
};
hex_ptr[(2*i)+2] = '\0' ;
}
// convert string with hex numbers to array of bytes
void hextoascii(byte *ascii_ptr, byte *hex_ptr,int len)
{
byte i,j;
for(i = 0; i < (len/2); i++)
{
j = hex_ptr[i*2];
if ((j>47) && (j<58)) ascii_ptr[i] = (j - 48) * 16;
if ((j>64) && (j<71)) ascii_ptr[i] = (j - 55) * 16;
if ((j>96) && (j<103)) ascii_ptr[i] = (j - 87) * 16;
j = hex_ptr[i*2+1];
if ((j>47) && (j<58)) ascii_ptr[i] = ascii_ptr[i] + (j - 48);
if ((j>64) && (j<71)) ascii_ptr[i] = ascii_ptr[i] + (j - 55);
if ((j>96) && (j<103)) ascii_ptr[i] = ascii_ptr[i] + (j - 87);
};
ascii_ptr[i++] = '\0' ;
}
// Initialize CC1101 board with default settings, you may change your preferences here
static void cc1101initialize(void)
{
// initializing library with custom pins selected
ELECHOUSE_cc1101.setSpiPin(sck, miso, mosi, ss);
ELECHOUSE_cc1101.setGDO(gdo0, gdo2);
// Main part to tune CC1101 with proper frequency, modulation and encoding
ELECHOUSE_cc1101.Init(); // must be set to initialize the cc1101!
ELECHOUSE_cc1101.setGDO0(gdo0); // set lib internal gdo pin (gdo0). Gdo2 not use for this example.
ELECHOUSE_cc1101.setCCMode(1); // set config for internal transmission mode. value 0 is for RAW recording/replaying
ELECHOUSE_cc1101.setModulation(2); // set modulation mode. 0 = 2-FSK, 1 = GFSK, 2 = ASK/OOK, 3 = 4-FSK, 4 = MSK.
ELECHOUSE_cc1101.setMHZ(433.92); // Here you can set your basic frequency. The lib calculates the frequency automatically (default = 433.92).The cc1101 can: 300-348 MHZ, 387-464MHZ and 779-928MHZ. Read More info from datasheet.
ELECHOUSE_cc1101.setDeviation(47.60); // Set the Frequency deviation in kHz. Value from 1.58 to 380.85. Default is 47.60 kHz.
ELECHOUSE_cc1101.setChannel(0); // Set the Channelnumber from 0 to 255. Default is cahnnel 0.
ELECHOUSE_cc1101.setChsp(199.95); // The channel spacing is multiplied by the channel number CHAN and added to the base frequency in kHz. Value from 25.39 to 405.45. Default is 199.95 kHz.
ELECHOUSE_cc1101.setRxBW(812.50); // Set the Receive Bandwidth in kHz. Value from 58.03 to 812.50. Default is 812.50 kHz.
ELECHOUSE_cc1101.setDRate(9.6); // Set the Data Rate in kBaud. Value from 0.02 to 1621.83. Default is 99.97 kBaud!
ELECHOUSE_cc1101.setPA(10); // Set TxPower. The following settings are possible depending on the frequency band. (-30 -20 -15 -10 -6 0 5 7 10 11 12) Default is max!
ELECHOUSE_cc1101.setSyncMode(2); // Combined sync-word qualifier mode. 0 = No preamble/sync. 1 = 16 sync word bits detected. 2 = 16/16 sync word bits detected. 3 = 30/32 sync word bits detected. 4 = No preamble/sync, carrier-sense above threshold. 5 = 15/16 + carrier-sense above threshold. 6 = 16/16 + carrier-sense above threshold. 7 = 30/32 + carrier-sense above threshold.
ELECHOUSE_cc1101.setSyncWord(211, 145); // Set sync word. Must be the same for the transmitter and receiver. Default is 211,145 (Syncword high, Syncword low)
ELECHOUSE_cc1101.setAdrChk(0); // Controls address check configuration of received packages. 0 = No address check. 1 = Address check, no broadcast. 2 = Address check and 0 (0x00) broadcast. 3 = Address check and 0 (0x00) and 255 (0xFF) broadcast.
ELECHOUSE_cc1101.setAddr(0); // Address used for packet filtration. Optional broadcast addresses are 0 (0x00) and 255 (0xFF).
ELECHOUSE_cc1101.setWhiteData(0); // Turn data whitening on / off. 0 = Whitening off. 1 = Whitening on.
ELECHOUSE_cc1101.setPktFormat(0); // Format of RX and TX data. 0 = Normal mode, use FIFOs for RX and TX. 1 = Synchronous serial mode, Data in on GDO0 and data out on either of the GDOx pins. 2 = Random TX mode; sends random data using PN9 generator. Used for test. Works as normal mode, setting 0 (00), in RX. 3 = Asynchronous serial mode, Data in on GDO0 and data out on either of the GDOx pins.
ELECHOUSE_cc1101.setLengthConfig(1); // 0 = Fixed packet length mode. 1 = Variable packet length mode. 2 = Infinite packet length mode. 3 = Reserved
ELECHOUSE_cc1101.setPacketLength(0); // Indicates the packet length when fixed packet length mode is enabled. If variable packet length mode is used, this value indicates the maximum packet length allowed.
ELECHOUSE_cc1101.setCrc(0); // 1 = CRC calculation in TX and CRC check in RX enabled. 0 = CRC disabled for TX and RX.
ELECHOUSE_cc1101.setCRC_AF(0); // Enable automatic flush of RX FIFO when CRC is not OK. This requires that only one packet is in the RXIFIFO and that packet length is limited to the RX FIFO size.
ELECHOUSE_cc1101.setDcFilterOff(0); // Disable digital DC blocking filter before demodulator. Only for data rates ≤ 250 kBaud The recommended IF frequency changes when the DC blocking is disabled. 1 = Disable (current optimized). 0 = Enable (better sensitivity).
ELECHOUSE_cc1101.setManchester(0); // Enables Manchester encoding/decoding. 0 = Disable. 1 = Enable.
ELECHOUSE_cc1101.setFEC(0); // Enable Forward Error Correction (FEC) with interleaving for packet payload (Only supported for fixed packet length mode. 0 = Disable. 1 = Enable.
ELECHOUSE_cc1101.setPRE(0); // Sets the minimum number of preamble bytes to be transmitted. Values: 0 : 2, 1 : 3, 2 : 4, 3 : 6, 4 : 8, 5 : 12, 6 : 16, 7 : 24
ELECHOUSE_cc1101.setPQT(0); // Preamble quality estimator threshold. The preamble quality estimator increases an internal counter by one each time a bit is received that is different from the previous bit, and decreases the counter by 8 each time a bit is received that is the same as the last bit. A threshold of 4∙PQT for this counter is used to gate sync word detection. When PQT=0 a sync word is always accepted.
ELECHOUSE_cc1101.setAppendStatus(0); // When enabled, two status bytes will be appended to the payload of the packet. The status bytes contain RSSI and LQI values, as well as CRC OK.
}
// Execute a complete CC1101 command.
static void exec(char *cmdline)
{
char *command = strsep(&cmdline, " ");
char destination[8];
int setting, setting2, len;
byte j, k;
uint16_t brute, poweroftwo;
float settingf1;
float settingf2;
// variables for frequency scanner
float freq;
long compare_freq;
float mark_freq;
int rssi;
int mark_rssi=-100;
// identification of the command & actions
if (strcmp_P(command, PSTR("help")) == 0) {
tcpclient.write(
"setmodulation <mode> : Set modulation mode. 0 = 2-FSK, 1 = GFSK, 2 = ASK/OOK, 3 = 4-FSK, 4 = MSK.\r\n\r\n"
"setmhz <frequency> : Here you can set your basic frequency. default = 433.92).The cc1101 can: 300-348 MHZ, 387-464MHZ and 779-928MHZ.\r\n\r\n"
"setdeviation <deviation> : Set the Frequency deviation in kHz. Value from 1.58 to 380.85.\r\n\r\n"
"setchannel <channel> : Set the Channelnumber from 0 to 255. Default is cahnnel 0.\r\n\r\n"
"setchsp <spacing> : The channel spacing is multiplied by the channel number CHAN and added to the base frequency in kHz. Value from 25.39 to 405.45. \r\n\r\n"
"setrxbw <Receive bndwth> : Set the Receive Bandwidth in kHz. Value from 58.03 to 812.50. \r\n\r\n"
"setdrate <datarate> : Set the Data Rate in kBaud. Value from 0.02 to 1621.83.\r\n\r\n"
"setpa <power value> : Set RF transmission power. The following settings are possible depending on the frequency band. (-30 -20 -15 -10 -6 0 5 7 10 11 12) Default is max!\r\n\r\n"
"setsyncmode <sync mode> : Combined sync-word qualifier mode. 0 = No preamble/sync. 1 = 16 sync word bits detected. 2 = 16/16 sync word bits detected. 3 = 30/32 sync word bits detected. 4 = No preamble/sync, carrier-sense above threshold. 5 = 15/16 + carrier-sense above threshold. 6 = 16/16 + carrier-sense above threshold. 7 = 30/32 + carrier-sense above threshold.\r\n"
);
yield();
tcpclient.write(
"setsyncword <decimal LOW, decimal HIGH> : Set sync word. Must be the same for the transmitter and receiver. (Syncword high, Syncword low) Default is 211,145\r\n\r\n"
"setadrchk <address chk> : Controls address check configuration of received packages. 0 = No address check. 1 = Address check, no broadcast. 2 = Address check and 0 (0x00) broadcast. 3 = Address check and 0 (0x00) and 255 (0xFF) broadcast.\r\n\r\n"
"setaddr <address> : Address used for packet filtration. Optional broadcast addresses are 0 (0x00) and 255 (0xFF).\r\n\r\n"
"setwhitedata <whitening> : Turn data whitening on / off. 0 = Whitening off. 1 = Whitening on.\r\n\r\n"
"setpktformat <pktformat> : Format of RX and TX data. 0 = Normal mode, use FIFOs for RX and TX. 1 = Synchronous serial mode, Data in on GDO0 and data out on either of the GDOx pins. 2 = Random TX mode; sends random data using PN9 generator. 3 = Asynchronous serial mode\r\n\r\n"
"setlengthconfig <mode> : Set packet Length mode : 0 = Fixed packet length mode. 1 = Variable packet length mode. 2 = Infinite packet length mode. 3 = Reserved \r\n\r\n"
"setpacketlength <mode> : Indicates the packet length when fixed packet length mode is enabled. If variable packet length mode is used, this value indicates the maximum packet length allowed.\r\n\r\n"
"setcrc <mode> : Switches on/of CRC calculation and check. 1 = CRC calculation in TX and CRC check in RX enabled. 0 = CRC disabled for TX and RX.\r\n\r\n"
"setcrcaf <mode> : Enable automatic flush of RX FIFO when CRC is not OK. This requires that only one packet is in the RXIFIFO and that packet length is limited to the RX FIFO size.\r\n"
);
yield();
tcpclient.write(
"setdcfilteroff <mode> : Disable digital DC blocking filter before demodulator. Only for data rates ≤ 250 kBaud The recommended IF frequency changes when the DC blocking is disabled. 1 = Disable (current optimized). 0 = Enable (better sensitivity).\r\n\r\n"
"setmanchester <mode> : Enables Manchester encoding/decoding. 0 = Disable. 1 = Enable.\r\n\r\n"
"setfec <mode> : Enable Forward Error Correction (FEC) with interleaving for packet payload (Only supported for fixed packet length mode. 0 = Disable. 1 = Enable.\r\n\r\n"
"setpre <mode> : Sets the minimum number of preamble bytes to be transmitted. Values: 0 : 2, 1 : 3, 2 : 4, 3 : 6, 4 : 8, 5 : 12, 6 : 16, 7 : 24\r\n\r\n"
"setpqt <mode> : Preamble quality estimator threshold. \r\n\r\n"
"setappendstatus <mode> : When enabled, two status bytes will be appended to the payload of the packet. The status bytes contain RSSI and LQI values, as well as CRC OK.\r\n\r\n"
"getrssi : Display quality information about last received frames over RF\r\n\r\n"
"scan <start> <stop> : Scan frequency range for the highest signal.\r\n\r\n"
"chat : Enable chat mode between many devices. No exit available, disconnect device to quit\r\n"
);
yield();
tcpclient.write(
"rx : Sniffer. Enable or disable printing of received RF packets on serial terminal.\r\n\r\n"
"tx <hex-vals> : Send packet of max 60 bytes <hex values> over RF\r\n\r\n"
"jam : Enable or disable continous jamming on selected band.\r\n\r\n"
"brute <microseconds> <number-of-bits> : Brute force garage gate with <nb-of-bits> keyword where symbol time is <usec>.\r\n\r\n"
"rec : Enable or disable recording frames in the buffer.\r\n\r\n"
"add <hex-vals> : Manually add single frame payload (max 64 hex values) to the buffer so it can be replayed\r\n\r\n"
"show : Show content of recording buffer\r\n\r\n"
"flush : Clear the recording buffer\r\n\r\n"
"play <N> : Replay 0 = all frames or N-th recorded frame previously stored in the buffer.\r\n\r\n"
"rxraw <microseconds> : Sniffs radio by sampling with <microsecond> interval and prints received bytes in hex.\r\n\r\n"
"recraw <microseconds> : Recording RAW RF data with <microsecond> sampling interval.\r\n"
);
yield();
tcpclient.write(
"addraw <hex-vals> : Manually add chunks (max 60 hex values) to the buffer so they can be further replayed.\r\n\r\n"
"showraw : Showing content of recording buffer in RAW format.\r\n\r\n"
"playraw <microseconds> : Replaying previously recorded RAW RF data with <microsecond> sampling interval.\r\n\r\n"
"showbit : Showing content of recording buffer in RAW format as a stream of bits.\r\n\r\n"
"save : Store recording buffer content in non-volatile memory\r\n\r\n"
"load : Load the content from non-volatile memory to the recording buffer\r\n\r\n"
"echo <mode> : Enable or disable Echo on serial terminal. 1 = enabled, 0 = disabled\r\n\r\n"
"x : Stops jamming/receiving/recording packets.\r\n\r\n"
"init : Restarts CC1101 board with default parameters\r\n\r\n"
);
yield();
// Handling SETMODULATION command
} else if (strcmp_P(command, PSTR("setmodulation")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setModulation(setting);
tcpclient.write("\r\nModulation: ");
if (setting == 0) { tcpclient.write("2-FSK"); }
else if (setting == 1) { tcpclient.write("GFSK"); }
else if (setting == 2) { tcpclient.write("ASK/OOK"); }
else if (setting == 3) { tcpclient.write("4-FSK"); }
else if (setting == 4) { tcpclient.write("MSK"); };
tcpclient.write(" \r\n");
yield();
// Handling SETMHZ command
} else if (strcmp_P(command, PSTR("setmhz")) == 0) {
settingf1 = atof(cmdline);
ELECHOUSE_cc1101.setMHZ(settingf1);
tcpclient.write("\r\nFrequency: ");
dtostrf(settingf1, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" MHz\r\n");
yield();
// Handling SETDEVIATION command
} else if (strcmp_P(command, PSTR("setdeviation")) == 0) {
settingf1 = atof(cmdline);
ELECHOUSE_cc1101.setDeviation(settingf1);
tcpclient.write("\r\nDeviation: ");
dtostrf(settingf1, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" KHz\r\n");
yield();
// Handling SETCHANNEL command
} else if (strcmp_P(command, PSTR("setchannel")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setChannel(setting);
tcpclient.write("\r\nChannel:");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write("\r\n");
yield();
// Handling SETCHSP command
} else if (strcmp_P(command, PSTR("setchsp")) == 0) {
settingf1 = atof(cmdline);
ELECHOUSE_cc1101.setChsp(settingf1);
tcpclient.write("\r\nChann spacing: ");
dtostrf(settingf1, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" kHz\r\n");
yield();
// Handling SETRXBW command
} else if (strcmp_P(command, PSTR("setrxbw")) == 0) {
settingf1 = atof(cmdline);
ELECHOUSE_cc1101.setRxBW(settingf1);
tcpclient.write("\r\nRX bandwidth: ");
dtostrf(settingf1, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" kHz \r\n");
yield();
// Handling SETDRATE command
} else if (strcmp_P(command, PSTR("setdrate")) == 0) {
settingf1 = atof(cmdline);
ELECHOUSE_cc1101.setDRate(settingf1);
tcpclient.write("\r\nDatarate: ");
dtostrf(settingf1, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" kbaud\r\n");
yield();
// Handling SETPA command
} else if (strcmp_P(command, PSTR("setpa")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setPA(setting);
tcpclient.write("\r\nTX PWR: ");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write(" dBm\r\n");
yield();
// Handling SETSYNCMODE command
} else if (strcmp_P(command, PSTR("setsyncmode")) == 0) {
int setting = atoi(cmdline);
ELECHOUSE_cc1101.setSyncMode(setting);
tcpclient.write("\r\nSynchronization: ");
if (setting == 0) { tcpclient.write("No preamble"); }
else if (setting == 1) { tcpclient.write("16 sync bits"); }
else if (setting == 2) { tcpclient.write("16/16 sync bits"); }
else if (setting == 3) { tcpclient.write("30/32 sync bits"); }
else if (setting == 4) { tcpclient.write("No preamble/sync, carrier-sense"); }
else if (setting == 5) { tcpclient.write("15/16 + carrier-sense"); }
else if (setting == 6) { tcpclient.write("16/16 + carrier-sense"); }
else if (setting == 7) { tcpclient.write("30/32 + carrier-sense"); };
tcpclient.write("\r\n");
yield();
// Handling SETSYNCWORD command
} else if (strcmp_P(command, PSTR("setsyncword")) == 0) {
setting = atoi(strsep(&cmdline, " "));
setting2 = atoi(cmdline);
ELECHOUSE_cc1101.setSyncWord(setting2, setting);
tcpclient.write("\r\nSynchronization:\r\n");
tcpclient.write("high = ");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write("\r\nlow = ");
itoa(setting2,destination,10);
tcpclient.write(destination);
tcpclient.write("\r\n");
yield();
// Handling SETADRCHK command
} else if (strcmp_P(command, PSTR("setadrchk")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setAdrChk(setting);
tcpclient.write("\r\nAddress checking:");
if (setting == 0) { tcpclient.write("No adr chk"); }
else if (setting == 1) { tcpclient.write("Adr chk, no bcast"); }
else if (setting == 2) { tcpclient.write("Adr chk and 0 bcast"); }
else if (setting == 3) { tcpclient.write("Adr chk and 0 and FF bcast"); };
tcpclient.write("\r\n");
yield();
// Handling SETADDR command
} else if (strcmp_P(command, PSTR("setaddr")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setAddr(setting);
tcpclient.write("\r\nAddress: ");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write("\r\n");
yield();
// Handling SETWHITEDATA command
} else if (strcmp_P(command, PSTR("setwhitedata")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setWhiteData(setting);
tcpclient.write("\r\nWhitening ");
if (setting == 0) { tcpclient.write("OFF"); }
else if (setting == 1) { tcpclient.write("ON"); }
tcpclient.write("\r\n");
yield();
// Handling SETPKTFORMAT command
} else if (strcmp_P(command, PSTR("setpktformat")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setPktFormat(setting);
tcpclient.write("\r\nPacket format: ");
if (setting == 0) { tcpclient.write("Normal mode"); }
else if (setting == 1) { tcpclient.write("Synchronous serial mode"); }
else if (setting == 2) { tcpclient.write("Random TX mode"); }
else if (setting == 3) { tcpclient.write("Asynchronous serial mode"); };
tcpclient.write("\r\n");
yield();
// Handling SETLENGTHCONFIG command
} else if (strcmp_P(command, PSTR("setlengthconfig")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setLengthConfig(setting);
tcpclient.write("\r\nPkt length mode: ");
if (setting == 0) { tcpclient.write("Fixed"); }
else if (setting == 1) { tcpclient.write("Variable"); }
else if (setting == 2) { tcpclient.write("Infinite"); }
else if (setting == 3) { tcpclient.write("Reserved"); };
tcpclient.write("\r\n");
// Handling SETPACKETLENGTH command
} else if (strcmp_P(command, PSTR("setpacketlength")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setPacketLength(setting);
tcpclient.write("\r\nPkt length: ");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write(" bytes\r\n");
yield();
// Handling SETCRC command
} else if (strcmp_P(command, PSTR("setcrc")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setCrc(setting);
tcpclient.write("\r\nCRC checking: ");
if (setting == 0) { tcpclient.write("Disabled"); }
else if (setting == 1) { tcpclient.write("Enabled"); };
tcpclient.write("\r\n");
yield();
// Handling SETCRCAF command
} else if (strcmp_P(command, PSTR("setcrcaf")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setCRC_AF(setting);
tcpclient.write("\r\nCRC Autoflush: ");
if (setting == 0) { tcpclient.write("Disabled"); }
else if (setting == 1) { tcpclient.write("Enabled"); };
tcpclient.write("\r\n");
// Handling SETDCFILTEROFF command
} else if (strcmp_P(command, PSTR("setdcfilteroff")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setDcFilterOff(setting);
tcpclient.write("\r\nDC filter: ");
if (setting == 0) { tcpclient.write("Enabled"); }
else if (setting == 1) { tcpclient.write("Disabled"); };
tcpclient.write("\r\n");
yield();
// Handling SETMANCHESTER command
} else if (strcmp_P(command, PSTR("setmanchester")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setManchester(setting);
tcpclient.write("\r\nManchester coding: ");
if (setting == 0) { tcpclient.write("Disabled"); }
else if (setting == 1) { tcpclient.write("Enabled"); };
tcpclient.write("\r\n");
yield();
// Handling SETFEC command
} else if (strcmp_P(command, PSTR("setfec")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setFEC(setting);
tcpclient.write("\r\nForward Error Correction: ");
if (setting == 0) { tcpclient.write("Disabled"); }
else if (setting == 1) { tcpclient.write("Enabled"); };
tcpclient.write("\r\n");
yield();
// Handling SETPRE command
} else if (strcmp_P(command, PSTR("setpre")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setPRE(setting);
tcpclient.write("\r\nMinimum preamble bytes:");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write(" means 0 = 2 bytes, 1 = 3b, 2 = 4b, 3 = 6b, 4 = 8b, 5 = 12b, 6 = 16b, 7 = 24 bytes\r\n");
tcpclient.write("\r\n");
yield();
// Handling SETPQT command
} else if (strcmp_P(command, PSTR("setpqt")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setPQT(setting);
tcpclient.write("\r\nPQT: ");
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write("\r\n");
yield();
// Handling SETAPPENDSTATUS command
} else if (strcmp_P(command, PSTR("setappendstatus")) == 0) {
setting = atoi(cmdline);
ELECHOUSE_cc1101.setAppendStatus(setting);
tcpclient.write("\r\nStatus bytes appending: ");
if (setting == 0) { tcpclient.write("Enabled"); }
else if (setting == 1) { tcpclient.write("Disabled"); };
tcpclient.write("\r\n");
yield();
// Handling GETRSSI command
} else if (strcmp_P(command, PSTR("getrssi")) == 0) {
//Rssi Level in dBm
tcpclient.write("Rssi: ");
setting = ELECHOUSE_cc1101.getRssi();
itoa(setting,destination,10);
tcpclient.write(destination);
//Link Quality Indicator
tcpclient.write(" LQI: ");
setting = ELECHOUSE_cc1101.getLqi();
itoa(setting,destination,10);
tcpclient.write(destination);
tcpclient.write("\r\n");
yield();
// Handling SCAN command - frequency scanner by Little S@tan !
} else if (strcmp_P(command, PSTR("scan")) == 0) {
settingf1 = atof(strsep(&cmdline, " "));
settingf2 = atof(cmdline);
tcpclient.write("\r\nScanning frequency range from : ");
// dtostrf(floatValue, minStringWidth, numAfterDecimal, charBuf_to_store_string);
dtostrf(settingf1, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" MHz to ");
dtostrf(settingf2, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" MHz, press any key for stop or wait...\r\n");
// initialize parameters for scanning
ELECHOUSE_cc1101.Init();
ELECHOUSE_cc1101.setRxBW(58);
ELECHOUSE_cc1101.SetRx();
// Do scanning until some key pressed
freq = settingf1; // start frequency for scanning
mark_rssi=-100;
while (tcpclient.read()<0)
{
// feed the watchdog
ESP.wdtFeed();
yield();
ELECHOUSE_cc1101.setMHZ(freq);
rssi = ELECHOUSE_cc1101.getRssi();
if (rssi>-75)
{
if (rssi > mark_rssi)
{
mark_rssi = rssi;
mark_freq = freq;
};
};
freq+=0.01;
if (freq > settingf2)
{
freq = settingf1;
if (mark_rssi>-75)
{
long fr = mark_freq*100;
if (fr == compare_freq)
{
tcpclient.write("\r\nSignal found at ");
tcpclient.write("Freq: ");
// dtostrf(floatValue, minStringWidth, numAfterDecimal, charBuf_to_store_string);
dtostrf(mark_freq, 6,2 , destination);
tcpclient.write(destination);
tcpclient.write(" Rssi: ");
itoa(mark_rssi,destination,10);
tcpclient.write(destination);
mark_rssi=-100;
compare_freq = 0;
mark_freq = 0;
}
else
{
compare_freq = mark_freq*100;
freq = mark_freq -0.10;
mark_freq=0;
mark_rssi=-100;
};
};
}; // end of IF freq>stop frequency
}; // End of While
// handling SAVE command
} else if (strcmp_P(command, PSTR("save")) == 0) {
//start saving recording buffer content into EEPROM non-volatile memory
tcpclient.write("\r\nSaving recording buffer content into the non-volatile memory...\r\n");
for (setting=0; setting<EPROMSIZE ; setting++)
{ // copying byte after byte from SRAM to EEPROM
EEPROM.write(setting, bigrecordingbuffer[setting] );
};
// following command is required for ESP32
EEPROM.commit();
// print confirmation
tcpclient.write("\r\nSaving complete.\r\n\r\n");
yield();
// handling LOAD command
} else if (strcmp_P(command, PSTR("load")) == 0) {
// first flushing bigrecordingbuffer with zeros and rewinding all the pointers
for (setting = 0; setting<RECORDINGBUFFERSIZE; setting++) bigrecordingbuffer[setting] = 0;
// and rewinding all the pointers to the recording buffer
bigrecordingbufferpos = 0;
framesinbigrecordingbuffer = 0;
//start loading EEPROM non-volatile memory content into recording buffer
tcpclient.write("\r\nLoading content from the non-volatile memory into the recording buffer...\r\n");
for (setting=0; setting<EPROMSIZE ; setting++)
{ // copying byte after byte from EEPROM to SRAM
bigrecordingbuffer[setting] = EEPROM.read(setting);
}
tcpclient.write("\r\nLoading complete. Enter 'show' or 'showraw' to see the buffer content.\r\n\r\n");
yield();
// Handling RX command
} else if (strcmp_P(command, PSTR("rx")) == 0) {
tcpclient.write("\r\nReceiving and printing RF packet changed to ");
if (receivingmode == 1) {
receivingmode = 0;
tcpclient.write("Disabled"); }
else if (receivingmode == 0)
{ ELECHOUSE_cc1101.SetRx();
tcpclient.write("Enabled");
receivingmode = 1;
jammingmode = 0;
recordingmode = 0;
};
tcpclient.write("\r\n");
yield();
// Handling CHAT command
} else if (strcmp_P(command, PSTR("chat")) == 0) {
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
delay(200);
tcpclient.write("\r\nEntering chat mode:\r\n\r\n");
//
if (chatmode == 0)
{
chatmode = 1;
jammingmode = 0;
receivingmode = 0;
recordingmode = 0;
};
// Handling JAM command
} else if (strcmp_P(command, PSTR("jam")) == 0) {
tcpclient.write("\r\nJamming changed to ");
if (jammingmode == 1)
{ tcpclient.write("Disabled");
jammingmode = 0;
}
else if (jammingmode == 0)
{
tcpclient.write("Enabled");
jammingmode = 1;
receivingmode = 0; };
tcpclient.write("\r\n");
yield();
// handling BRUTE command
} else if (strcmp_P(command, PSTR("brute")) == 0) {
// take interval period for sampling
setting = atoi(strsep(&cmdline, " "));
// take number of bits for brute forcing
setting2 = atoi(cmdline);
// calculate power of 2 upon setting
poweroftwo = 1 << setting2;
if (setting>0)
{
// setup async mode on CC1101 and go into TX mode
// with GDO0 pin processing
ELECHOUSE_cc1101.setCCMode(0);
ELECHOUSE_cc1101.setPktFormat(3);
ELECHOUSE_cc1101.SetTx();
//start playing RF with setting GDO0 bit state with bitbanging
tcpclient.write("\r\nStarting Brute Forcing press any key to stop...\r\n");
pinMode(gdo0, OUTPUT);
for (brute = 0; brute < poweroftwo ; brute++)
{
// blink ESP8266 led - turn it on
digitalWrite(LED_BUILTIN, HIGH);
for(int j = (setting2 -1); j > -1; j--) // j bits in a value brute
{
digitalWrite(gdo0, bitRead(brute, j)); // Set GDO0 according to actual brute force value
delayMicroseconds(setting); // delay for selected sampling interval
};
// checking if key pressed
if (tcpclient.read()>0) break;
// blink ESP8266 led - turn it off
digitalWrite(LED_BUILTIN, LOW);
// watchdog
yield();
// feed the watchdog in ESP8266
ESP.wdtFeed();
};
tcpclient.write("\r\nBrute forcing complete.\r\n\r\n");
// setting normal pkt format again
ELECHOUSE_cc1101.setCCMode(1);
ELECHOUSE_cc1101.setPktFormat(0);
ELECHOUSE_cc1101.SetTx();
// pinMode(gdo0pin, INPUT);
} // end of IF
else { tcpclient.write("Wrong parameters.\r\n"); };
// Handling TX command
} else if (strcmp_P(command, PSTR("tx")) == 0) {
// convert hex array to set of bytes
if ((strlen(cmdline)<=120) && (strlen(cmdline)>0) )
{
hextoascii(textbuffer,(byte *)cmdline, strlen(cmdline));
memcpy(ccsendingbuffer, textbuffer, strlen(cmdline)/2 );
ccsendingbuffer[strlen(cmdline)/2] = 0x00;
tcpclient.write("\r\nTransmitting RF packets.\r\n");
// blink ESP8266 led - turn it on
digitalWrite(LED_BUILTIN, HIGH);
// send these data to radio over CC1101
ELECHOUSE_cc1101.SendData(ccsendingbuffer, (byte)(strlen(cmdline)/2));
// blink ESP8266 led - turn it off
digitalWrite(LED_BUILTIN, LOW);
// for DEBUG only
asciitohex(ccsendingbuffer, textbuffer, strlen(cmdline)/2 );
tcpclient.write("Sent frame: ");
tcpclient.write((char *)textbuffer);
tcpclient.write("\r\n"); }
else { tcpclient.write("Wrong parameters.\r\n"); };
yield();
// handling RECRAW command
} else if (strcmp_P(command, PSTR("recraw")) == 0) {
// take interval period for samplink
setting = atoi(cmdline);
if (setting>0)
{
// setup async mode on CC1101 with GDO0 pin processing
ELECHOUSE_cc1101.setCCMode(0);
ELECHOUSE_cc1101.setPktFormat(3);
ELECHOUSE_cc1101.SetRx();
//start recording to the buffer with bitbanging of GDO0 pin state
tcpclient.write("\r\nWaiting for radio signal to start RAW recording...\r\n");
pinMode(gdo0, INPUT);
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
// this is only for ESP32 boards because they are getting some noise on the beginning
setting2 = digitalRead(gdo0);
delay(1);
// waiting for some data first
// feed the watchdog while waiting for the RF signal
while ( digitalRead(gdo0) == LOW )
{ yield();
// feed the watchdog in ESP8266
ESP.wdtFeed();
};
//start recording to the buffer with bitbanging of GDO0 pin state
tcpclient.write("\r\nStarting RAW recording to the buffer...\r\n");
pinMode(gdo0, INPUT);
// temporarly disable WDT for the time of recording
// ESP.wdtDisable();
// start recording RF signal
for (int i=0; i<RECORDINGBUFFERSIZE ; i++)
{
byte receivedbyte = 0;
for(int j=7; j > -1; j--) // 8 bits in a byte
{
bitWrite(receivedbyte, j, digitalRead(gdo0)); // Capture GDO0 state into the byte
delayMicroseconds(setting); // delay for selected sampling interval
};
// store the output into recording buffer
bigrecordingbuffer[i] = receivedbyte;
// feed the watchdog in ESP8266
ESP.wdtFeed();
// needed for ESP8266
yield();
}
// enable WDT
// ESP.wdtEnable(5000);
tcpclient.write("\r\nRecording RAW data complete.\r\n\r\n");
// setting normal pkt format again
ELECHOUSE_cc1101.setCCMode(1);
ELECHOUSE_cc1101.setPktFormat(0);
ELECHOUSE_cc1101.SetRx();
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
}
else { tcpclient.write("Wrong parameters.\r\n"); };
// handling RXRAW command - sniffer
} else if (strcmp_P(command, PSTR("rxraw")) == 0) {
// take interval period for samplink
setting = atoi(cmdline);
if (setting>0)
{
// setup async mode on CC1101 with GDO0 pin processing
ELECHOUSE_cc1101.setCCMode(0);
ELECHOUSE_cc1101.setPktFormat(3);
ELECHOUSE_cc1101.SetRx();
//start recording to the buffer with bitbanging of GDO0 pin state
tcpclient.write("\r\nSniffer enabled...\r\n");
pinMode(gdo0, INPUT);
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
// temporarly disable WDT for the time of recording
// ESP.wdtDisable();
// Any received char over Serial port stops printing RF received bytes
while (tcpclient.read()<0)
{
// we have to use the buffer not to introduce delays
for (int i=0; i<RECORDINGBUFFERSIZE ; i++)
{
byte receivedbyte = 0;
for(int j=7; j > -1; j--) // 8 bits in a byte
{
bitWrite(receivedbyte, j, digitalRead(gdo0)); // Capture GDO0 state into the byte
delayMicroseconds(setting); // delay for selected sampling interval
};
// store the output into recording buffer
bigrecordingbuffer[i] = receivedbyte;
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266;
yield();
};
// enable WDT
// ESP.wdtEnable(5000);
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
// when buffer full print the ouptput to serial port
for (int i = 0; i < RECORDINGBUFFERSIZE ; i = i + 32)
{
asciitohex(&bigrecordingbuffer[i], textbuffer, 32);
tcpclient.write((char *)textbuffer);
// feed the watchdog
ESP.wdtFeed();
// needed foe ESP8266
yield();
};
}; // end of While loop
tcpclient.write("\r\nStopping the sniffer.\n\r\n");
// setting normal pkt format again
ELECHOUSE_cc1101.setCCMode(1);
ELECHOUSE_cc1101.setPktFormat(0);
ELECHOUSE_cc1101.SetRx();
}
else { tcpclient.write("Wrong parameters.\r\n"); };
// handling PLAYRAW command
} else if (strcmp_P(command, PSTR("playraw")) == 0) {
// take interval period for sampling
setting = atoi(cmdline);
if (setting>0)
{
// setup async mode on CC1101 and go into TX mode
// with GDO0 pin processing
ELECHOUSE_cc1101.setCCMode(0);
ELECHOUSE_cc1101.setPktFormat(3);
ELECHOUSE_cc1101.SetTx();
// blink ESP8266 led - turn it on
digitalWrite(LED_BUILTIN, HIGH);
//start replaying GDO0 bit state from data in the buffer with bitbanging
tcpclient.write("\r\nReplaying RAW data from the buffer...\r\n");
pinMode(gdo0, OUTPUT);
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
// temporarly disable WDT for the time of recording
// ESP.wdtDisable();
// start RF replay
for (int i=1; i<RECORDINGBUFFERSIZE ; i++)
{
byte receivedbyte = bigrecordingbuffer[i];
for(int j=7; j > -1; j--) // 8 bits in a byte
{
digitalWrite(gdo0, bitRead(receivedbyte, j)); // Set GDO0 according to recorded byte
delayMicroseconds(setting); // delay for selected sampling interval
};
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
};
// Enable WDT
// ESP.wdtEnable(5000);
// blink ESP8266 led - turn it off
digitalWrite(LED_BUILTIN, LOW);
tcpclient.write("\r\nReplaying RAW data complete.\r\n\r\n");
// setting normal pkt format again
ELECHOUSE_cc1101.setCCMode(1);
ELECHOUSE_cc1101.setPktFormat(0);
ELECHOUSE_cc1101.SetTx();
// pinMode(gdo0pin, INPUT);
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
}
else { tcpclient.write("Wrong parameters.\r\n"); };
// handling SHOWRAW command
} else if (strcmp_P(command, PSTR("showraw")) == 0) {
// show the content of recorded RAW signal as hex numbers
tcpclient.write("\r\nRecorded RAW data:\r\n");
for (int i = 0; i < RECORDINGBUFFERSIZE ; i = i + 32)
{
asciitohex(&bigrecordingbuffer[i], textbuffer, 32);
tcpclient.write((char *)textbuffer);
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
};
tcpclient.write("\r\n\r\n");
// feed the watchdog
ESP.wdtFeed();
// needed for ESP8266
yield();
// handling SHOWBIT command
} else if (strcmp_P(command, PSTR("showbit")) == 0) {
// show the content of recorded RAW signal as hex numbers
tcpclient.write("\r\nRecorded RAW data as bit stream:\r\n");
for (int i = 0; i < RECORDINGBUFFERSIZE ; i = i + 32)
{ // first convert to hex numbers
asciitohex((byte *)&bigrecordingbuffer[i], (byte *)textbuffer, 32);
// now decode as binary and print
for (setting = 0; setting < 64 ; setting++)
{
setting2 = textbuffer[setting];
switch( setting2 )
{
case '0':
tcpclient.write("____");
break;
case '1':