Felix Pachay
/
Tutoria_Pachay
Intensidad_Led
main.cpp@0:5248e12b2868, 2020-02-08 (annotated)
- Committer:
- fpachays
- Date:
- Sat Feb 08 02:48:22 2020 +0000
- Revision:
- 0:5248e12b2868
UPS_Maestria_pwm
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
fpachays | 0:5248e12b2868 | 1 | #include "mbed.h" |
fpachays | 0:5248e12b2868 | 2 | Serial pc(PA_2, PA_3,115200); //tx, rx |
fpachays | 0:5248e12b2868 | 3 | PwmOut led(PA_0); |
fpachays | 0:5248e12b2868 | 4 | float brightness=0.0; |
fpachays | 0:5248e12b2868 | 5 | |
fpachays | 0:5248e12b2868 | 6 | int main() |
fpachays | 0:5248e12b2868 | 7 | { |
fpachays | 0:5248e12b2868 | 8 | pc.printf("control of LED dimmer by host terminal\n\r"); |
fpachays | 0:5248e12b2868 | 9 | pc.printf("Press 'u' = brighter, 'd' = dimmer\n\r"); |
fpachays | 0:5248e12b2868 | 10 | while (1) { |
fpachays | 0:5248e12b2868 | 11 | char c = pc.getc(); |
fpachays | 0:5248e12b2868 | 12 | wait(0.001); |
fpachays | 0:5248e12b2868 | 13 | if((c == 'u') && (brightness < 1)) { |
fpachays | 0:5248e12b2868 | 14 | brightness += 0.1; |
fpachays | 0:5248e12b2868 | 15 | motor= brightness; |
fpachays | 0:5248e12b2868 | 16 | } |
fpachays | 0:5248e12b2868 | 17 | if(( c == 'd') && (brightness > 0)) { |
fpachays | 0:5248e12b2868 | 18 | brightness -= 0.1; |
fpachays | 0:5248e12b2868 | 19 | motor = brightness; |
fpachays | 0:5248e12b2868 | 20 | } |
fpachays | 0:5248e12b2868 | 21 | |
fpachays | 0:5248e12b2868 | 22 | pc.printf("%c %1.3f \n \r",c,brightness); |
fpachays | 0:5248e12b2868 | 23 | |
fpachays | 0:5248e12b2868 | 24 | } |
fpachays | 0:5248e12b2868 | 25 | } |
fpachays | 0:5248e12b2868 | 26 |