
first commit
main.cpp@0:28a7761e2484, 2021-08-08 (annotated)
- Committer:
- t00221549
- Date:
- Sun Aug 08 19:40:31 2021 +0000
- Revision:
- 0:28a7761e2484
first
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
t00221549 | 0:28a7761e2484 | 1 | #include "mbed.h" |
t00221549 | 0:28a7761e2484 | 2 | Serial pc(USBTX, USBRX); // tx, rx |
t00221549 | 0:28a7761e2484 | 3 | PwmOut led(LED1); |
t00221549 | 0:28a7761e2484 | 4 | float brightness = 0.0; |
t00221549 | 0:28a7761e2484 | 5 | int main() |
t00221549 | 0:28a7761e2484 | 6 | { |
t00221549 | 0:28a7761e2484 | 7 | pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down \r\n"); |
t00221549 | 0:28a7761e2484 | 8 | while(1) { |
t00221549 | 0:28a7761e2484 | 9 | char c = pc.getc(); |
t00221549 | 0:28a7761e2484 | 10 | if((c == 'u') && (brightness < 0.5)) { |
t00221549 | 0:28a7761e2484 | 11 | pc.putc('^'); |
t00221549 | 0:28a7761e2484 | 12 | brightness += 0.01; |
t00221549 | 0:28a7761e2484 | 13 | led = brightness; |
t00221549 | 0:28a7761e2484 | 14 | } |
t00221549 | 0:28a7761e2484 | 15 | if((c == 'd') && (brightness > 0.0)) { |
t00221549 | 0:28a7761e2484 | 16 | pc.putc('v'); |
t00221549 | 0:28a7761e2484 | 17 | brightness -= 0.01; |
t00221549 | 0:28a7761e2484 | 18 | led = brightness; |
t00221549 | 0:28a7761e2484 | 19 | } |
t00221549 | 0:28a7761e2484 | 20 | } |
t00221549 | 0:28a7761e2484 | 21 | } |