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

examples/SSTV/SSTV.ino

@@ -0,0 +1,45 @@
+/* 
+
+Sends an SSTV test pattern 
+
+*/
+
+#define DOT 100
+#define CALLSIGN "1ZZ9ZZ/B"
+
+/* Standard libraries and variable init */
+
+#include <HAMShield.h>
+#include <Wire.h>
+
+HAMShield radio;
+int16_t rssi;
+
+/* get our radio ready */
+
+void setup() { 
+  Wire.begin();
+  Serial.begin(9600);
+  Serial.print("Radio status: ");
+  int result = radio.testConnection();
+  Serial.println(result);
+  radio.initialize();
+  radio.setFrequency(446000);
+  radio.setModeReceive();
+}
+
+/* main program loop */
+
+
+void loop() {
+     if(radio.waitForChannel(1000,2000)) {        // Wait forever for calling frequency to open, then wait 2 seconds for breakers 
+       radio.setModeTransmit();                   // Turn on the transmitter
+       delay(250);                               // Wait a moment
+       radio.SSTVTestPattern(MARTIN1);            // send a MARTIN1 test pattern
+       delay(250);
+       radio.setModeReceive();                    // Turn off the transmitter
+     } else { delay(30000); }                     // someone broke in fast after prior transmission, was it an emergency? wait 30 secs.
+     
+     delay(60000);                                // Wait a minute
+}
+