96 lines
2.4 KiB
C++
Executable File
96 lines
2.4 KiB
C++
Executable File
/*
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Indentifier
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Arduino audio overlay example
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*/
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#include <HamShield.h>
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#define DOT 100
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#define PWM_PIN 3
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#define RESET_PIN A3
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#define SWITCH_PIN 2
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HamShield radio;
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const char *bascii = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,?'!/()&:;=+-_\"$@",
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*bitu[] = { ".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--..","-----",".----","..---","...--","....-",".....","-....","--...","---..","----.",".-.-.-","--..--","..--..",".----.","-.-.--","-..-.","-.--.","-.--.-",".-...","---...","-.-.-.","-...-",".-.-.","-....-","..--.-",".-..-.","...-..-",".--.-."
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};
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const char *callsign = {"1ZZ9ZZ/B"} ;
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char morsebuffer[8];
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void setup() {
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// NOTE: if not using PWM out, it should be held low to avoid tx noise
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pinMode(PWM_PIN, OUTPUT);
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digitalWrite(PWM_PIN, LOW);
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// prep the switch
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pinMode(SWITCH_PIN, INPUT_PULLUP);
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// set up the reset control pin
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pinMode(RESET_PIN, OUTPUT);
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digitalWrite(RESET_PIN, HIGH);
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Serial.begin(9600);
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Serial.println("starting up..");
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Serial.print("Radio status: ");
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int result = radio.testConnection();
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Serial.println(result,DEC);
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radio.initialize();
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radio.frequency(446000);
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radio.setVolume1(0xF);
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radio.setVolume2(0xF);
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radio.setModeReceive();
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radio.setTxSourceMic();
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radio.setSQLoThresh(80);
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radio.setSQOn();
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Serial.println("Done with radio beacon setup. Press and hold a key to transmit.");
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}
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int state = 0;
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long timer = 0;
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int morseletter = 0;
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int morsesymbol = 0;
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long keyer = 0;
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char symbol;
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void loop() {
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if(Serial.available() > 0) {
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if(state == 0) {
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state = 10;
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radio.setModeTransmit();
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timer = millis();
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keyer = millis();
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}
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if(state == 10) {
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timer = millis();
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}
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}
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if(millis() > (timer + 500)) { radio.setModeReceive(); morseletter = 0; morsesymbol = 0; state = 0; }
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if(state == 10) {
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if(millis() > (keyer + (DOT * 3))) {
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keyer = millis();
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symbol = lookup(callsign[morseletter],morsesymbol);
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if(symbol == '-') { tone(9,1000,DOT*3); }
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if(symbol == '.') { tone(9,1000,DOT); }
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if(symbol == 0) { morsesymbol = 0; morseletter++; }
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if(callsign[morseletter] == 0) { morsesymbol = 0; morseletter = 0; }
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}
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}
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}
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char lookup(char letter, int morsesymbol) {
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for(int x = 0; x < 54; x++) {
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if(letter == bascii[x]) {
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return bitu[x][morsesymbol];
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}
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}
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}
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