hige dura
PWM_generator
main.cpp@0:566768f53e4b, 2012-12-05 (annotated)
- Committer:
- higedura
- Date:
- Wed Dec 05 05:27:10 2012 +0000
- Revision:
- 0:566768f53e4b
- Child:
- 1:1d1a7680a3fe
PWM_generator
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| higedura | 0:566768f53e4b | 1 | #include "mbed.h" |
| higedura | 0:566768f53e4b | 2 | |
| higedura | 0:566768f53e4b | 3 | Serial pc(USBTX, USBRX); // tx, rx |
| higedura | 0:566768f53e4b | 4 | PwmOut esc(p22); |
| higedura | 0:566768f53e4b | 5 | |
| higedura | 0:566768f53e4b | 6 | int main() { |
| higedura | 0:566768f53e4b | 7 | |
| higedura | 0:566768f53e4b | 8 | int pulse_buf = 0; |
| higedura | 0:566768f53e4b | 9 | double pulse = 0; |
| higedura | 0:566768f53e4b | 10 | |
| higedura | 0:566768f53e4b | 11 | esc.period(0.018); |
| higedura | 0:566768f53e4b | 12 | esc.pulsewidth(0.001); |
| higedura | 0:566768f53e4b | 13 | |
| higedura | 0:566768f53e4b | 14 | while (1) { |
| higedura | 0:566768f53e4b | 15 | |
| higedura | 0:566768f53e4b | 16 | pulse_buf = pc.getc()-48; |
| higedura | 0:566768f53e4b | 17 | pulse = 0.001+0.0001*(double)pulse_buf; |
| higedura | 0:566768f53e4b | 18 | if( pulse<0.001 ){ pulse = 0.001; } |
| higedura | 0:566768f53e4b | 19 | if( 0.0019<pulse ){ pulse = 0.0019; } |
| higedura | 0:566768f53e4b | 20 | esc.pulsewidth(pulse); |
| higedura | 0:566768f53e4b | 21 | pc.printf("%f\r\n", pulse); |
| higedura | 0:566768f53e4b | 22 | |
| higedura | 0:566768f53e4b | 23 | } |
| higedura | 0:566768f53e4b | 24 | |
| higedura | 0:566768f53e4b | 25 | } |