Roberto Vázquez
convertidor digital. analogico
Revision 0:02e65197aa23, committed 2015-06-24
- Comitter:
- rvazquezc
- Date:
- Wed Jun 24 00:14:15 2015 +0000
- Commit message:
- convertidor-Digital-analogico
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jun 24 00:14:15 2015 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"
+
+// The sinewave is created on this pin
+AnalogOut aout(DAC0_OUT);
+
+int main()
+{
+ const double pi = 3.141592653589793238462;
+ const double amplitude = 0.5f;
+ const double offset = 65535/2;
+ double rads = 0.0;
+ uint16_t sample = 0;
+
+ while(1) {
+ // sinewave output
+ for (int i = 0; i < 360; i++) {
+ rads = (pi * i) / 180.0f;
+ sample = (uint16_t)(amplitude * (offset * (cos(rads + pi))) + offset);
+ aout.write_u16(sample);
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jun 24 00:14:15 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e188a91d3eaa \ No newline at end of file