ECE4180proj
Basic_sine_wave_generator
Dependencies: 4DGL-uLCD-SE mbed-rtos mbed
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ECE4180proj
Diff: main.cpp
- Revision:
- 0:52af3c50f548
- Child:
- 1:fb8f053747d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Nov 25 15:24:52 2015 +0000
@@ -0,0 +1,26 @@
+#include "mbed.h"
+
+// Initialize a pins to perform analog and digital output fucntions
+AnalogOut aout(p18);
+DigitalOut dout(LED1);
+
+const double pi = 3.1416;
+float fs=100;
+float offset=0.5;
+uint16_t sample = 0;
+
+float freq=2; //Hz
+float amp=1; //Sacle factor, 1=full range
+float x;
+
+
+int main(void){
+ while (1){
+ for (float t = 0.0f; t < 1/freq; t += 1/fs) {
+ x=amp*(cos(2*pi*freq*t)+1);
+ sample=(uint16_t) (x*32767);
+ aout.write_u16(sample);;
+ wait(1/fs);
+ }
+ }
+}