Bernd Eisenberger
/
TINF_003_PWM
One LED switching between 50 and 100% PWM with one button.
Switching PWM
TINF_003_PWM
#include "mbed.h" PwmOut led(D5); DigitalIn btn(D6); int main() { btn.mode(PullDown); led=0.5; while(1) { if(btn == 1) { wait_ms(200); if(led==1.0&&btn==1) { wait_ms(500); led=0.5; } if(led==0.5&&btn==1) { wait_ms(500); led=1.0; } } }}
main.cpp@0:3079ec8681d1, 2020-01-27 (annotated)
- Committer:
- Berndii__
- Date:
- Mon Jan 27 11:24:40 2020 +0000
- Revision:
- 0:3079ec8681d1
Switching between 2 PWM signals
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Berndii__ | 0:3079ec8681d1 | 1 | #include "mbed.h" |
Berndii__ | 0:3079ec8681d1 | 2 | |
Berndii__ | 0:3079ec8681d1 | 3 | |
Berndii__ | 0:3079ec8681d1 | 4 | PwmOut led(D5); |
Berndii__ | 0:3079ec8681d1 | 5 | DigitalIn btn(D6); |
Berndii__ | 0:3079ec8681d1 | 6 | |
Berndii__ | 0:3079ec8681d1 | 7 | |
Berndii__ | 0:3079ec8681d1 | 8 | |
Berndii__ | 0:3079ec8681d1 | 9 | int main() { |
Berndii__ | 0:3079ec8681d1 | 10 | |
Berndii__ | 0:3079ec8681d1 | 11 | |
Berndii__ | 0:3079ec8681d1 | 12 | btn.mode(PullDown); |
Berndii__ | 0:3079ec8681d1 | 13 | |
Berndii__ | 0:3079ec8681d1 | 14 | led=0.5; |
Berndii__ | 0:3079ec8681d1 | 15 | |
Berndii__ | 0:3079ec8681d1 | 16 | while(1) { |
Berndii__ | 0:3079ec8681d1 | 17 | |
Berndii__ | 0:3079ec8681d1 | 18 | |
Berndii__ | 0:3079ec8681d1 | 19 | if(btn == 1) |
Berndii__ | 0:3079ec8681d1 | 20 | { |
Berndii__ | 0:3079ec8681d1 | 21 | wait_ms(200); |
Berndii__ | 0:3079ec8681d1 | 22 | |
Berndii__ | 0:3079ec8681d1 | 23 | if(led==1.0&&btn==1) |
Berndii__ | 0:3079ec8681d1 | 24 | { |
Berndii__ | 0:3079ec8681d1 | 25 | wait_ms(500); |
Berndii__ | 0:3079ec8681d1 | 26 | led=0.5; |
Berndii__ | 0:3079ec8681d1 | 27 | |
Berndii__ | 0:3079ec8681d1 | 28 | } |
Berndii__ | 0:3079ec8681d1 | 29 | if(led==0.5&&btn==1) |
Berndii__ | 0:3079ec8681d1 | 30 | { |
Berndii__ | 0:3079ec8681d1 | 31 | wait_ms(500); |
Berndii__ | 0:3079ec8681d1 | 32 | led=1.0; |
Berndii__ | 0:3079ec8681d1 | 33 | |
Berndii__ | 0:3079ec8681d1 | 34 | } |
Berndii__ | 0:3079ec8681d1 | 35 | |
Berndii__ | 0:3079ec8681d1 | 36 | |
Berndii__ | 0:3079ec8681d1 | 37 | } |
Berndii__ | 0:3079ec8681d1 | 38 | |
Berndii__ | 0:3079ec8681d1 | 39 | }} |