M A / Mbed 2 deprecated nucleo_pwm_serial_keyboard

Increase or decrease LED brightness with keyboard via serial port.

Dependencies:   mbed

main.cpp

Committer:
mbedaddict
Date:
2015-03-10
Revision:
0:f83df7d9548d

File content as of revision 0:f83df7d9548d:

#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;
        }
        if((c == 'd') && (brightness > 0.0)) {
            brightness -= 0.01;
            led = brightness;
        }

    }
}