Slight rearranging, and added comments to FM Beacon example sketch.

This commit is contained in:
Nigel Vander Houwen 2015-06-28 10:20:57 -07:00
parent 0126665e4c
commit 2d5deedf54
1 changed files with 41 additions and 17 deletions

View File

@ -1,44 +1,68 @@
/*
Morse Code Beacon
Test beacon will transmit and wait 30 seconds.
Beacon will check to see if the channel is clear before it will transmit.
*/
// Include the HamSheild and Wire (I2C) libraries
#include <HamShield.h>
#include <Wire.h>
// Create a new instance of our HamSheild class, called 'radio'
HamShield radio;
// Run our start up things here
void setup() {
// Set up the serial port at 9600 Baud
Serial.begin(9600);
Serial.println("starting up..");
// Send a quick serial string
Serial.println("HamShield FM Beacon Example Sketch");
// Start the Wire (I2C) library
Wire.begin();
// Query the HamShield for status information
Serial.print("Radio status: ");
int result = radio.testConnection();
Serial.println(result,DEC);
radio.initialize(); // setup radio
radio.frequency(446000); // set to 70 cm call frequency
Serial.println("Done with radio beacon setup.");
// Tell the HamShield to start up
radio.initialize();
// Configure the HamShield to transmit and recieve on 446.000MHz
radio.frequency(446000);
Serial.println("Radio Configured.");
}
void loop() {
if(radio.waitForChannel(30000,2000,-50)) { // wait up to 30 seconds for a clear channel, and then 2 seconds of empty channel
Serial.println("Signal is clear -- Transmitting");
radio.setModeTransmit(); // turn on the transmitter
radio.morseOut("1ZZ9ZZ/B CN87 ARDUINO HAMSHIELD");
radio.setModeReceive(); // turn off the transmitter (receive mode)
Serial.print("TX Off");
// We'll wait up to 30 seconds for a clear channel, requiring that the channel is clear for 2 seconds before we transmit
if (radio.waitForChannel(30000,2000,-50)) {
// If we get here, the channel is clear. Let's print the RSSI to the serial port as well.
Serial.print("Signal is clear, RSSI: ");
Serial.println(radio.readRSSI());
// Start transmitting by putting the radio into transmit mode.
Serial.print("Transmitting... ");
radio.setModeTransmit();
// Send a message out in morse code
radio.morseOut("CALLSIGN LOCATOR ARDUINO HAMSHIELD");
// We're done sending the message, set the radio back into recieve mode.
radio.setModeReceive();
Serial.println("Done.");
// Wait 30 seconds before we send our beacon again.
delay(30000);
} else {
} else {
// If we get here, the channel is busy. Let's also print out the RSSI.
Serial.print("The channel was busy. Waiting 10 seconds. RSSI: ");
Serial.println(radio.readRSSI());
// Wait 10 seconds and check the channel again.
delay(10000);
}
}
}