Refer to the YouTube video for an explanation.
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>
int debug = 0;
const int numChars = 14;
volatile long freq = 0;
boolean newCATcmd = false;
char CATcmd[numChars] = {'0'}; // an array to store the received CAT data
int freq10GHz = 0;
int freq1GHz = 0;
int freq100MHz = 0;
int freq10MHz = 1;
int freq1MHz = 4;
int freq100kHz = 1;
int freq10kHz = 2;
int freq1kHz = 3;
int freq100Hz = 4;
int freq10Hz = 5;
int freq1Hz = 6;
int RIT, XIT, MEM1, MEM2, RX, TX, VFO, SCAN, SIMPLEX, CTCSS, TONE1, TONE2 = 0;
int MODE = 2;
SoftwareSerial mySerial(31, 32); // RX, TX
LiquidCrystal_I2C lcd(0x3F, 16, 2);
void setup()
{
lcd.begin();
lcd.backlight();
CalcFreq();
Serial.begin(9600);
// Debug serial port
mySerial.begin(9600);
}
void loop()
{
rxCATcmd();
analyseCATcmd();
}
void rxCATcmd()
{
int index = 0;
char endMarker = ';';
char data; // CAT commands are ASCII characters
while ((Serial.available() > 0) && (newCATcmd == false))
{
data = Serial.read();
if (data != endMarker)
{
CATcmd[index] = data;
index++;
if (index >= numChars)
index = numChars - 1; // leave space for the \0 array termination
}
else
{
CATcmd[index] = ';'; // Indicate end of command
debug = index; // Needed later to print out the command
CATcmd[index + 1] = '\0'; // terminate the array
index = 0; // reset for next CAT command
newCATcmd = true;
}
}
}
void analyseCATcmd()
{
if (newCATcmd == true)
{
newCATcmd = false; // reset for next CAT time
// Debug printing
mySerial.println();
for (int x = 0; x <= debug; x++)
mySerial.print(CATcmd[x]);
mySerial.print("\t");
if ((CATcmd[0] == 'F') && (CATcmd[1] == 'A') && (CATcmd[2] == ';')) // must be freq get command
Command_GETFreqA();
else if ((CATcmd[0] == 'F') && (CATcmd[1] == 'A') && (CATcmd[13] == ';')) // must be freq set command
Command_SETFreqA();
else if ((CATcmd[0] == 'I') && (CATcmd[1] == 'F') && (CATcmd[2] == ';'))
Command_IF();
else if ((CATcmd[0] == 'I') && (CATcmd[1] == 'D') && (CATcmd[2] == ';'))
Command_ID();
else if ((CATcmd[0] == 'P') && (CATcmd[1] == 'S') && (CATcmd[2] == ';'))
Command_PS();
else if ((CATcmd[0] == 'P') && (CATcmd[1] == 'S') && (CATcmd[2] == '1'))
Command_PS1();
else if ((CATcmd[0] == 'A') && (CATcmd[1] == 'I') && (CATcmd[2] == ';'))
Command_AI();
else if ((CATcmd[0] == 'A') && (CATcmd[1] == 'I') && (CATcmd[2] == '0'))
Command_AI0();
else if ((CATcmd[0] == 'M') && (CATcmd[1] == 'D') && (CATcmd[2] == ';'))
Command_MD();
else if ((CATcmd[0] == 'R') && (CATcmd[1] == 'X') && (CATcmd[2] == ';'))
Command_RX();
else if ((CATcmd[0] == 'T') && (CATcmd[1] == 'X') && (CATcmd[2] == ';'))
Command_TX();
else if ((CATcmd[0] == 'T') && (CATcmd[1] == 'X') && (CATcmd[2] == '1'))
Command_TX1();
else if ((CATcmd[0] == 'R') && (CATcmd[1] == 'S') && (CATcmd[2] == ';'))
Command_RS();
Serial.flush(); // Get ready for next command
//delay(50); // Needed to eliminate WSJT-X connection errors
}
}
void Command_ID()
{
Serial.print("ID020;");
mySerial.print("ID020;");
}
void Command_PS()
{
Serial.print("PS1;");
mySerial.print("PS1;");
}
void Command_PS1()
{
Serial.print("PS1;");
mySerial.print("PS1;");
}
void Command_GETFreqA()
{
Serial.print("FA");
Serial.print(freq10GHz);
Serial.print(freq1GHz);
Serial.print(freq100MHz);
Serial.print(freq10MHz);
Serial.print(freq1MHz);
Serial.print(freq100kHz);
Serial.print(freq10kHz);
Serial.print(freq1kHz);
Serial.print(freq100Hz);
Serial.print(freq10Hz);
Serial.print(freq1Hz);
Serial.print(";");
mySerial.print("FA");
mySerial.print(freq10GHz);
mySerial.print(freq1GHz);
mySerial.print(freq100MHz);
mySerial.print(freq10MHz);
mySerial.print(freq1MHz);
mySerial.print(freq100kHz);
mySerial.print(freq10kHz);
mySerial.print(freq1kHz);
mySerial.print(freq100Hz);
mySerial.print(freq10Hz);
mySerial.print(freq1Hz);
mySerial.print(";");
}
void Command_SETFreqA()
{
freq10GHz = CATcmd[2] - 48; // convert ASCII char to int equivalent. int 0 = ASCII 48;
freq1GHz = CATcmd[3] - 48;
freq100MHz = CATcmd[4] - 48;
freq10MHz = CATcmd[5] - 48;
freq1MHz = CATcmd[6] - 48;
freq100kHz = CATcmd[7] - 48;
freq10kHz = CATcmd[8] - 48;
freq1kHz = CATcmd[9] - 48;
freq100Hz = CATcmd[10] - 48;
freq10Hz = CATcmd[11] - 48;
freq1Hz = CATcmd[12] - 48;
//Command_GETFreqA(); // now RSP with FA
Serial.print("FA");
Serial.print(freq10GHz);
Serial.print(freq1GHz);
Serial.print(freq100MHz);
Serial.print(freq10MHz);
Serial.print(freq1MHz);
Serial.print(freq100kHz);
Serial.print(freq10kHz);
Serial.print(freq1kHz);
Serial.print(freq100Hz);
Serial.print(freq10Hz);
Serial.print(freq1Hz);
Serial.print(";");
mySerial.print("FA");
mySerial.print(freq10GHz);
mySerial.print(freq1GHz);
mySerial.print(freq100MHz);
mySerial.print(freq10MHz);
mySerial.print(freq1MHz);
mySerial.print(freq100kHz);
mySerial.print(freq10kHz);
mySerial.print(freq1kHz);
mySerial.print(freq100Hz);
mySerial.print(freq10Hz);
mySerial.print(freq1Hz);
mySerial.print(";");
CalcFreq();
}
void CalcFreq()
{
freq = (
(10000000000L * freq10GHz) +
(1000000000L * freq1GHz) +
(100000000L * freq100MHz) +
(10000000L * freq10MHz) +
(1000000L * freq1MHz) +
(100000L * freq100kHz) +
(10000L * freq10kHz) +
(1000L * freq1kHz) +
(100L * freq100Hz) +
(10L * freq10Hz) +
freq1Hz);
// Debug print
lcd.setCursor(0, 1);
lcd.print(freq10GHz);
lcd.print(freq1GHz);
lcd.print(freq100MHz);
lcd.print(freq10MHz);
lcd.print(freq1MHz);
lcd.print(freq100kHz);
lcd.print(freq10kHz);
lcd.print(freq1kHz);
lcd.print(freq100Hz);
lcd.print(freq10Hz);
lcd.print(freq1Hz);
lcd.setCursor(0, 0); // Col, Row
lcd.print(" ");
lcd.setCursor(0, 0);
lcd.print(freq);
}
void Command_IF()
{
Serial.print("IF");
Serial.print(freq10GHz); // P1
Serial.print(freq1GHz);
Serial.print(freq100MHz);
Serial.print(freq10MHz);
Serial.print(freq1MHz);
Serial.print(freq100kHz);
Serial.print(freq10kHz);
Serial.print(freq1kHz);
Serial.print(freq100Hz);
Serial.print(freq10Hz);
Serial.print(freq1Hz);
Serial.print("00000"); // P2 Always five 0s
Serial.print("+0000"); // P3 RIT/XIT freq +/-9990
Serial.print(RIT); // P4
Serial.print(XIT); // P5
Serial.print("0"); // P6 Always 0
Serial.print(MEM1); // P7
Serial.print(MEM2);
Serial.print(RX); // P8
Serial.print(MODE); // P9
Serial.print(VFO); // P10 FR/FT 0=VFO
Serial.print(SCAN); // P11
Serial.print(SIMPLEX); // P12
Serial.print(CTCSS); // P13
Serial.print(TONE1); // P14
Serial.print(TONE2);
Serial.print("0"); // P15 Always 0
Serial.print(";");
mySerial.print("IF");
mySerial.print(freq10GHz); // P1
mySerial.print(freq1GHz);
mySerial.print(freq100MHz);
mySerial.print(freq10MHz);
mySerial.print(freq1MHz);
mySerial.print(freq100kHz);
mySerial.print(freq10kHz);
mySerial.print(freq1kHz);
mySerial.print(freq100Hz);
mySerial.print(freq10Hz);
mySerial.print(freq1Hz);
mySerial.print("00000"); // P2 Always five 0s
mySerial.print("+0000"); // P3 RIT/XIT freq +/-9990
mySerial.print(RIT); // P4
mySerial.print(XIT); // P5
mySerial.print("0"); // P6 Always 0
mySerial.print(MEM1); // P7
mySerial.print(MEM2);
mySerial.print(RX); // P8
mySerial.print(MODE); // P9
mySerial.print(VFO); // P10 FR/FT 0=VFO
mySerial.print(SCAN); // P11
mySerial.print(SIMPLEX); // P12
mySerial.print(CTCSS); // P13
mySerial.print(TONE1); // P14
mySerial.print(TONE2);
mySerial.print("0"); // P15 Always 0
mySerial.print(";");
}
void Command_AI()
{
Serial.print("AI0;");
mySerial.print("AI0;");
}
void Command_MD()
{
Serial.print("MD2;");
mySerial.print("MD2;");
}
void Command_AI0()
{
Serial.print("AI0;");
mySerial.print("AI0;");
}
void Command_RX()
{
RX = 0;
TX = 0;
Serial.print("RX0;");
mySerial.print("RX0;");
}
void Command_TX()
{
RX = 1;
TX = 1;
Serial.print("TX0;");
mySerial.print("TX0;");
}
void Command_TX1()
{
RX = 1;
TX = 1;
Serial.print("TX2;");
mySerial.print("TX2;");
}
void Command_RS()
{
Serial.print("RS0;");
mySerial.print("RS0;");
}
***********************************************************
Additional code to enable audio and serial data across the single USB connection. This is test code only at this stage.
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>
#include <Audio.h> // Teensy audio library
int debug = 0;
const int numChars = 14;
volatile long freq = 0;
boolean newCATcmd = false;
char CATcmd[numChars] = {'0'}; // an array to store the received CAT data
int freq10GHz = 0;
int freq1GHz = 0;
int freq100MHz = 0;
int freq10MHz = 1;
int freq1MHz = 4;
int freq100kHz = 1;
int freq10kHz = 2;
int freq1kHz = 3;
int freq100Hz = 4;
int freq10Hz = 5;
int freq1Hz = 6;
int RIT, XIT, MEM1, MEM2, RX, TX, VFO, SCAN, SIMPLEX, CTCSS, TONE1, TONE2 = 0;
int MODE = 2;
SoftwareSerial mySerial(31, 32); // RX, TX
AudioControlSGTL5000 audioShield;
// Audio objects
AudioInputUSB audioInputUSB;
AudioSynthWaveformSine TestOsc;
AudioOutputUSB audioOutputUSB;
AudioOutputI2S audioOutputHeadphones;
// Audio connections
AudioConnection patchCord5(TestOsc, 0, audioOutputUSB, 0);
AudioConnection patchCord10(TestOsc, 0, audioOutputUSB, 1);
AudioConnection patchCord15(audioInputUSB, 0, audioOutputHeadphones, 0);
AudioConnection patchCord20(audioInputUSB, 1, audioOutputHeadphones, 1);
void setup()
{
CalcFreq();
Serial.begin(9600);
mySerial.begin(9600);
// Setup the audio shield
AudioNoInterrupts();
AudioMemory(12);
audioShield.enable();
TestOsc.amplitude(0.1);
TestOsc.frequency(700);
audioShield.unmuteHeadphone(); // Output to the audio amplifier
audioShield.volume(0.8);
AudioInterrupts();
}
void loop()
{
rxCATcmd();
analyseCATcmd();
}
void rxCATcmd()
{
int index = 0;
char endMarker = ';';
char data; // CAT commands are ASCII characters
while ((Serial.available() > 0) && (newCATcmd == false))
{
data = Serial.read();
if (data != endMarker)
{
CATcmd[index] = data;
index++;
if (index >= numChars)
index = numChars - 1; // leave space for the \0 array termination
}
else
{
CATcmd[index] = ';'; // Indicate end of command
debug = index; // Needed later to print out the command
CATcmd[index + 1] = '\0'; // terminate the array
index = 0; // reset for next CAT command
newCATcmd = true;
}
}
}
void analyseCATcmd()
{
if (newCATcmd == true)
{
newCATcmd = false; // reset for next CAT time
// Debug printing
mySerial.println();
for (int x = 0; x <= debug; x++)
mySerial.print(CATcmd[x]);
mySerial.print("\t");
if ((CATcmd[0] == 'F') && (CATcmd[1] == 'A') && (CATcmd[2] == ';')) // must be freq get command
Command_GETFreqA();
else if ((CATcmd[0] == 'F') && (CATcmd[1] == 'A') && (CATcmd[13] == ';')) // must be freq set command
Command_SETFreqA();
else if ((CATcmd[0] == 'I') && (CATcmd[1] == 'F') && (CATcmd[2] == ';'))
Command_IF();
else if ((CATcmd[0] == 'I') && (CATcmd[1] == 'D') && (CATcmd[2] == ';'))
Command_ID();
else if ((CATcmd[0] == 'P') && (CATcmd[1] == 'S') && (CATcmd[2] == ';'))
Command_PS();
else if ((CATcmd[0] == 'P') && (CATcmd[1] == 'S') && (CATcmd[2] == '1'))
Command_PS1();
else if ((CATcmd[0] == 'A') && (CATcmd[1] == 'I') && (CATcmd[2] == ';'))
Command_AI();
else if ((CATcmd[0] == 'A') && (CATcmd[1] == 'I') && (CATcmd[2] == '0'))
Command_AI0();
else if ((CATcmd[0] == 'M') && (CATcmd[1] == 'D') && (CATcmd[2] == ';'))
Command_MD();
else if ((CATcmd[0] == 'R') && (CATcmd[1] == 'X') && (CATcmd[2] == ';'))
Command_RX();
else if ((CATcmd[0] == 'T') && (CATcmd[1] == 'X') && (CATcmd[2] == ';'))
Command_TX();
else if ((CATcmd[0] == 'T') && (CATcmd[1] == 'X') && (CATcmd[2] == '1'))
Command_TX1();
else if ((CATcmd[0] == 'R') && (CATcmd[1] == 'S') && (CATcmd[2] == ';'))
Command_RS();
Serial.flush(); // Get ready for next command
//delay(50); // Needed to eliminate WSJT-X connection errors
}
}
void Command_ID()
{
Serial.print("ID020;");
mySerial.print("ID020;");
}
void Command_PS()
{
Serial.print("PS1;");
mySerial.print("PS1;");
}
void Command_PS1()
{
Serial.print("PS1;");
mySerial.print("PS1;");
}
void Command_GETFreqA()
{
Serial.print("FA");
Serial.print(freq10GHz);
Serial.print(freq1GHz);
Serial.print(freq100MHz);
Serial.print(freq10MHz);
Serial.print(freq1MHz);
Serial.print(freq100kHz);
Serial.print(freq10kHz);
Serial.print(freq1kHz);
Serial.print(freq100Hz);
Serial.print(freq10Hz);
Serial.print(freq1Hz);
Serial.print(";");
mySerial.print("FA");
mySerial.print(freq10GHz);
mySerial.print(freq1GHz);
mySerial.print(freq100MHz);
mySerial.print(freq10MHz);
mySerial.print(freq1MHz);
mySerial.print(freq100kHz);
mySerial.print(freq10kHz);
mySerial.print(freq1kHz);
mySerial.print(freq100Hz);
mySerial.print(freq10Hz);
mySerial.print(freq1Hz);
mySerial.print(";");
}
void Command_SETFreqA()
{
freq10GHz = CATcmd[2] - 48; // convert ASCII char to int equivalent. int 0 = ASCII 48;
freq1GHz = CATcmd[3] - 48;
freq100MHz = CATcmd[4] - 48;
freq10MHz = CATcmd[5] - 48;
freq1MHz = CATcmd[6] - 48;
freq100kHz = CATcmd[7] - 48;
freq10kHz = CATcmd[8] - 48;
freq1kHz = CATcmd[9] - 48;
freq100Hz = CATcmd[10] - 48;
freq10Hz = CATcmd[11] - 48;
freq1Hz = CATcmd[12] - 48;
//Command_GETFreqA(); // now RSP with FA
Serial.print("FA");
Serial.print(freq10GHz);
Serial.print(freq1GHz);
Serial.print(freq100MHz);
Serial.print(freq10MHz);
Serial.print(freq1MHz);
Serial.print(freq100kHz);
Serial.print(freq10kHz);
Serial.print(freq1kHz);
Serial.print(freq100Hz);
Serial.print(freq10Hz);
Serial.print(freq1Hz);
Serial.print(";");
mySerial.print("FA");
mySerial.print(freq10GHz);
mySerial.print(freq1GHz);
mySerial.print(freq100MHz);
mySerial.print(freq10MHz);
mySerial.print(freq1MHz);
mySerial.print(freq100kHz);
mySerial.print(freq10kHz);
mySerial.print(freq1kHz);
mySerial.print(freq100Hz);
mySerial.print(freq10Hz);
mySerial.print(freq1Hz);
mySerial.print(";");
CalcFreq();
}
void CalcFreq()
{
freq = (
(10000000000L * freq10GHz) +
(1000000000L * freq1GHz) +
(100000000L * freq100MHz) +
(10000000L * freq10MHz) +
(1000000L * freq1MHz) +
(100000L * freq100kHz) +
(10000L * freq10kHz) +
(1000L * freq1kHz) +
(100L * freq100Hz) +
(10L * freq10Hz) +
freq1Hz);
}
void Command_IF()
{
Serial.print("IF");
Serial.print(freq10GHz); // P1
Serial.print(freq1GHz);
Serial.print(freq100MHz);
Serial.print(freq10MHz);
Serial.print(freq1MHz);
Serial.print(freq100kHz);
Serial.print(freq10kHz);
Serial.print(freq1kHz);
Serial.print(freq100Hz);
Serial.print(freq10Hz);
Serial.print(freq1Hz);
Serial.print("00000"); // P2 Always five 0s
Serial.print("+0000"); // P3 RIT/XIT freq +/-9990
Serial.print(RIT); // P4
Serial.print(XIT); // P5
Serial.print("0"); // P6 Always 0
Serial.print(MEM1); // P7
Serial.print(MEM2);
Serial.print(RX); // P8
Serial.print(MODE); // P9
Serial.print(VFO); // P10 FR/FT 0=VFO
Serial.print(SCAN); // P11
Serial.print(SIMPLEX); // P12
Serial.print(CTCSS); // P13
Serial.print(TONE1); // P14
Serial.print(TONE2);
Serial.print("0"); // P15 Always 0
Serial.print(";");
mySerial.print("IF");
mySerial.print(freq10GHz); // P1
mySerial.print(freq1GHz);
mySerial.print(freq100MHz);
mySerial.print(freq10MHz);
mySerial.print(freq1MHz);
mySerial.print(freq100kHz);
mySerial.print(freq10kHz);
mySerial.print(freq1kHz);
mySerial.print(freq100Hz);
mySerial.print(freq10Hz);
mySerial.print(freq1Hz);
mySerial.print("00000"); // P2 Always five 0s
mySerial.print("+0000"); // P3 RIT/XIT freq +/-9990
mySerial.print(RIT); // P4
mySerial.print(XIT); // P5
mySerial.print("0"); // P6 Always 0
mySerial.print(MEM1); // P7
mySerial.print(MEM2);
mySerial.print(RX); // P8
mySerial.print(MODE); // P9
mySerial.print(VFO); // P10 FR/FT 0=VFO
mySerial.print(SCAN); // P11
mySerial.print(SIMPLEX); // P12
mySerial.print(CTCSS); // P13
mySerial.print(TONE1); // P14
mySerial.print(TONE2);
mySerial.print("0"); // P15 Always 0
mySerial.print(";");
}
void Command_AI()
{
Serial.print("AI0;");
mySerial.print("AI0;");
}
void Command_MD()
{
Serial.print("MD2;");
mySerial.print("MD2;");
}
void Command_AI0()
{
Serial.print("AI0;");
mySerial.print("AI0;");
}
void Command_RX()
{
RX = 0;
TX = 0;
Serial.print("RX0;");
mySerial.print("RX0;");
}
void Command_TX()
{
RX = 1;
TX = 1;
Serial.print("TX0;");
mySerial.print("TX0;");
}
void Command_TX1()
{
RX = 1;
TX = 1;
Serial.print("TX2;");
mySerial.print("TX2;");
}
void Command_RS()
{
Serial.print("RS0;");
mySerial.print("RS0;");
}
*************************************************************************
RF Splitter/Combiner
