final project update
Dependencies: mbed
Fork of DISCO_SMT32L4_pwm_PB3 by
Diff: main.cpp
- Revision:
- 3:9aa9bfe031bb
- Parent:
- 0:4860a91fb495
- Child:
- 4:9d26d117fa69
--- a/main.cpp Wed Jun 07 13:22:25 2017 +0000 +++ b/main.cpp Mon Mar 19 20:01:16 2018 +0000 @@ -4,15 +4,44 @@ DigitalOut myled(LED1); +#define UP 1 +#define DOWN 2 + int main() { + uint8_t i; + uint8_t count_dir; + + mypwm.period_ms(10); mypwm.pulsewidth_ms(1); printf("pwm set to %.2f %%\n", mypwm.read() * 100); + count_dir = UP; while(1) { myled = !myled; - wait(1); + for(i = 0; i < 10; i++ ) + { + wait(0.1); + if(count_dir == UP) + { + mypwm = mypwm + 0.01; + if(mypwm == 1.00) // if hit one, start counting down + { + count_dir = DOWN; + } + } + else if(count_dir == DOWN) + { + mypwm = mypwm - 0.01; + if(mypwm == 0.0) // if hit zero, start counting up + { + count_dir = UP; + } + } + + } + printf("pwm set to %.2f %%\n\r", mypwm.read() * 100); } }