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CA 2.1 modified Code Serial Communications
Diff: main.cpp
- Revision:
- 0:0947800a78ea
diff -r 000000000000 -r 0947800a78ea main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun Jul 26 20:42:22 2020 +0000 @@ -0,0 +1,25 @@ +#include "mbed.h" + +Serial pc(USBTX, USBRX); // tx, rx +PwmOut led(LED1); + +float brightness = 0.0; + +int main() { +pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n"); + +while(1) { +char c = pc.getc(); +if((c == 'u') && (brightness < 0.5)) { +brightness += 0.01; +led = brightness; +pc.putc('^'); +} +if((c == 'd') && (brightness > 0.0)) { +brightness -= 0.01; +led = brightness; +pc.putc('v'); +} +} +} +