Yasushi TAUCHI
/
Sound_PWM_1
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Revision 0:862276502fe2, committed 2011-12-26
- Comitter:
- yueee_yt
- Date:
- Mon Dec 26 12:45:32 2011 +0000
- Commit message:
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 Mon Dec 26 12:45:32 2011 +0000
@@ -0,0 +1,24 @@
+#define mC 261.626
+#define mD 293.665
+#define mE 329.628
+#define mF 349.228
+#define mG 391.995
+#define mA 440.000
+#define mB 493.883
+
+#include "mbed.h"
+
+PwmOut sp1(p25);
+
+int main() {
+ float mm[]={mC,mD,mE,mF,mG,mA,mB,mC*2};
+ int i;
+
+ for (i=0;i<sizeof(mm);i++) {
+ sp1.period(1.0/mm[i]);
+ sp1.write(0.5f);
+ wait(0.5f);
+ sp1.write(0.0f);
+ }
+ while (1);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Dec 26 12:45:32 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/078e4b97a13e