52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/* Hamshield
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* Example: Just Transmit
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* This example continuously transmits.
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* Connect the HamShield to your Arduino. Screw the antenna
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* into the HamShield RF jack. Plug a pair of headphones with
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* built-in mic into the HamShield. Connect the Arduino to
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* wall power and then to your computer via USB. After
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* uploading this program to your Arduino, open the Serial
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* Monitor to monitor the program's progress. After setup is
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* complete, tune a HandyTalkie (HT) to 144.025MHz. Listen on
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* the HT for the HamShield broadcasting from the mic.
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*/
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#include <HamShield.h>
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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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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("If the sketch freezes at radio status, there is something wrong with power or the shield");
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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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Serial.println("Setting radio to its defaults..");
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radio.initialize();
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radio.setRfPower(0);
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}
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void loop() {
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radio.bypassPreDeEmph();
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radio.frequency(144025);
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// radio.setTxSourceNone();
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radio.setModeTransmit();
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for(;;) { }
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}
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