Initial commit of HamShield library and example sketches. Probably not fully functional.

examples/FoxHunt/FoxHunt.ino

@@ -0,0 +1,37 @@
+/* Fox Hunt */
+
+#include <HAMShield.h>
+#include <Wire.h>
+
+// transmit for 1 minute, every 10 minutes 
+
+#define TRANSMITLENGTH 1
+#define INTERVAL 10
+#define RANDOMCHANCE 3
+
+HAMShield radio;
+
+void setup() { 
+  Wire.begin();
+  radio.initialize();
+  radio.setFrequency(145510);
+  radio.setModeReceive();
+}
+
+void loop() {
+   waitMinute(INTERVAL + random(0,RANDOMCHANCE));     // wait before transmitting, randomly up to 3 minutes later
+   if(radio.waitForChannel(30000,2000)) {             // wait for a clear channel, abort after 30 seconds, wait 2 seconds of dead air for breakers
+     radio.setModeTransmit();                         // turn on transmit mode
+     tone(1000,11,TRANSMITLENGTH * 60 * 1000);        // play a long solid tone
+     radio.morseOut("1ZZ9ZZ/B FOXHUNT");              // identify the fox hunt transmitter
+     radio.setModeReceive();                          // turn off the transmit mode
+   }
+}
+
+// a function so we can wait by minutes
+
+void waitMinute(int period) { 
+  delay(period * 60 * 1000);
+}
+
+