45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
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Morse Code Beacon
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Test beacon will transmit and wait 30 seconds.
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Beacon will check to see if the channel is clear before it will transmit.
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*/
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#include <HamShield.h>
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#include <Wire.h>
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HamShield radio;
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void setup() {
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Serial.begin(9600);
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Serial.println("starting up..");
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Wire.begin();
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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(); // setup radio
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radio.frequency(446000); // set to 70 cm call frequency
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Serial.println("Done with radio beacon setup.");
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}
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void loop() {
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if(radio.waitForChannel(30000,2000,-50)) { // wait up to 30 seconds for a clear channel, and then 2 seconds of empty channel
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Serial.println("Signal is clear -- Transmitting");
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radio.setModeTransmit(); // turn on the transmitter
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radio.morseOut("1ZZ9ZZ/B CN87 ARDUINO HAMSHIELD");
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radio.setModeReceive(); // turn off the transmitter (receive mode)
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Serial.print("TX Off");
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delay(30000);
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} else {
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Serial.print("The channel was busy. Waiting 10 seconds. RSSI: ");
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Serial.println(radio.readRSSI());
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delay(10000);
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}
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}
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