ESE519
part0
Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:5b76a88c40dc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Feb 10 20:38:16 2015 +0000
@@ -0,0 +1,20 @@
+//Lab2 part 0
+//create a waveform
+
+#include "mbed.h"
+
+//Initialize Pwm and freq
+PwmOut PWM1(p21);
+float freq = 400;
+
+//used for debugging
+Serial pc(USBTX, USBRX);
+
+//play tone continuously
+int main() {
+ //Print frequency for debut
+ pc.printf("%f",freq);
+ //Start PWM with appropriate freq
+ PWM1.period(1/freq); // set PWM period to 10 ms
+ PWM1=0.5; // set duty cycle to 50%
+ }