ARM Shanghai IoT Team (Internal)
/
AnalogOutClassDemo_JacobShi
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Dependencies: mbed
Revision 5:093723e0eea2, committed 2014-10-21
- Comitter:
- shiyilei
- Date:
- Tue Oct 21 15:22:55 2014 +0000
- Parent:
- 4:6c49a5b891dc
- Commit message:
- use the Analogout class to generate a rectangle wave period :1S dutycycle:50%
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Mon Sep 22 20:19:09 2014 +0000
+++ b/main.cpp Tue Oct 21 15:22:55 2014 +0000
@@ -1,13 +1,22 @@
+/**********************************************
+*file:rectangle wave generation
+*Creator:JacobShi
+*Time :2014/10/17
+*Description: use the analogout class
+*to generate a rectangle wave
+*period :1s and the dutycycle:0.5
+***********************************************/
#include "mbed.h"
-
-AnalogOut signal(PTE30); // change this to match your board
+AnalogOut pin(p18);
-// ramp up the output in 10% incriments, drop to zero, repeat
-int main() {
- while(1) {
- for(float i=0.0; i<1.0; i+=0.1) {
- signal = i;
- wait(0.1);
- }
- }
+int main(void)
+{
+ while(1)
+ {
+ pin=1;
+ wait(0.5);
+ pin=0;
+ wait(0.5);
+ }
+
}
\ No newline at end of file