Diff: main.cpp

Revision:

0:9cf641b3b681

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jan 24 06:56:34 2017 +0000
@@ -0,0 +1,49 @@
+#include "mbed.h"
+#include "Adafruit_Si4713.h"
+
+/* For the demo use PWM (p25) connected to LIN to play... */
+PwmOut muzak(p25);
+float frequency[]={659, 554, 659, 554, 440, 494, 554, 587, 494, 659, 554, 440};
+float beat[]={1,1,1,1,1,0.5,0.5,1,1,1,1,2};
+
+uint16_t fmstation = 9350;      // 9350 == 93.5 MHz
+
+I2C myi2c(p9,p10);
+Adafruit_Si4713 radio = Adafruit_Si4713(myi2c, p5, 0x63<<1);
+
+int main() {
+  printf("Adafruit Radio - Si4713 Test\r\n");
+
+  if (! radio.begin()) {
+    printf("Couldn't find radio?\r\n");
+    while (1);
+  }
+
+  // Uncomment to scan power of entire range from 87.5 to 108.0 MHz
+  for (uint16_t f  = 8750; f<10800; f+=10) {
+    radio.readTuneMeasure(f);
+    printf("Measuring %.1f\t",f/100.0);
+    radio.readTuneStatus();
+    printf("%i\r\n",radio.currNoiseLevel);
+  }
+
+  printf("\n\rSet TX power");
+  radio.setTXpower(115);  // dBuV, 88-115 max
+
+  printf("\n\rTuning into %.1f\r\n",fmstation/100.0); 
+  radio.tuneFM(fmstation);
+
+  // This will tell you the status in case you want to read it from the chip
+  radio.readTuneStatus();
+  printf("\tCurr freq: %d\r\n", radio.currFreq); 
+  printf("\tCurr freqdBuV: %d\r\n", radio.currdBuV); 
+  printf("\tCurr ANTcap: %d\r\n", radio.currAntCap); 
+
+  while (1) {
+        for (int i = 0; i<=11; i++) {
+            muzak.period(1/(2*frequency[i]));
+            muzak = 0.5;
+            wait(0.4*beat[i]);
+        }
+  }
+}