Analog Out sine wave
Dependencies: LSM9DS1_Library mbed
Diff: main.cpp
- Revision:
- 0:9d458257852d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Feb 27 22:25:09 2017 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+
+//double CosineInterpolate(
+// double y1, double y2,
+// double mu)
+//{
+// double mu2;
+//
+// mu2 = (1-cos(mu*PI))/2;
+// return(y1*(1-mu2)+y2*mu2);
+//}
+
+AnalogOut scope(p18);
+
+int main() {
+
+ //double voltOut;
+// double logicOut;
+//
+// while(1) {
+// scope =
+// }
+
+ const double pi = 3.141592653589793238462;
+ const double amplitude = 0.5f;
+ const double offset = 65535/2;
+ double rad = 0.0;
+ uint16_t sample = 0;
+
+ while(1) {
+ for(int i = 0; i < 360; i++){
+ rad = (pi * i) / 180.0f;
+ sample = (uint16_t)(amplitude * (offset * (cos(rads + pi))) + offset);
+ aout.write_u16(sample);
+ }
+ }
+}