Simon Ford
Revision 0:c795e64e9eb0, committed 2009-12-01
- Comitter:
- simon
- Date:
- Tue Dec 01 11:01:48 2009 +0000
- Child:
- 1:4115ae4cbc76
- 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 Tue Dec 01 11:01:48 2009 +0000
@@ -0,0 +1,34 @@
+// Testing PWM channel 0 vs channel 1 behaviour, sford
+
+#include "mbed.h"
+
+PwmOut pwm1(p26);
+PwmOut pwm2(p25);
+
+int main() {
+
+ uint32_t t = 10000;
+
+ // set period
+ LPC_PWM1->MR0 = t;
+ LPC_PWM1->LER |= 1 << 0;
+
+ while (1) {
+
+ // set pulsewidth to 100%
+ LPC_PWM1->MR1 = t;
+ LPC_PWM1->MR2 = t;
+ LPC_PWM1->LER |= 0x6;
+
+ // wait for update
+ while (LPC_PWM1->LER);
+
+ // set pulsewidth less than 100%
+ LPC_PWM1->MR1 = t - 500;
+ LPC_PWM1->MR2 = t - 500;
+ LPC_PWM1->LER |= 0x6;
+
+ // wait for update
+ while (LPC_PWM1->LER);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Dec 01 11:01:48 2009 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/32af5db564d4