Junichi Nagayama
Manual PWM implementation
main.cpp@0:4e272b6d58a9, 2011-01-22 (annotated)
- Committer:
- junTMUG
- Date:
- Sat Jan 22 01:03:39 2011 +0000
- Revision:
- 0:4e272b6d58a9
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| junTMUG | 0:4e272b6d58a9 | 1 | #include "mbed.h" |
| junTMUG | 0:4e272b6d58a9 | 2 | |
| junTMUG | 0:4e272b6d58a9 | 3 | AnalogIn ain(p20); |
| junTMUG | 0:4e272b6d58a9 | 4 | DigitalOut myled(p21); |
| junTMUG | 0:4e272b6d58a9 | 5 | |
| junTMUG | 0:4e272b6d58a9 | 6 | int main() { |
| junTMUG | 0:4e272b6d58a9 | 7 | while (1){ |
| junTMUG | 0:4e272b6d58a9 | 8 | int ledpwm = (int)ain * 256; |
| junTMUG | 0:4e272b6d58a9 | 9 | int i; |
| junTMUG | 0:4e272b6d58a9 | 10 | for (i = 0; i < 256; i++){ |
| junTMUG | 0:4e272b6d58a9 | 11 | if (i < ledpwm) |
| junTMUG | 0:4e272b6d58a9 | 12 | myled = 1; |
| junTMUG | 0:4e272b6d58a9 | 13 | else |
| junTMUG | 0:4e272b6d58a9 | 14 | myled = 0; |
| junTMUG | 0:4e272b6d58a9 | 15 | |
| junTMUG | 0:4e272b6d58a9 | 16 | wait_us(100); |
| junTMUG | 0:4e272b6d58a9 | 17 | } |
| junTMUG | 0:4e272b6d58a9 | 18 | } |
| junTMUG | 0:4e272b6d58a9 | 19 | } |