Lee Nam Cheol / Mbed OS lab02-led-dimmer

using DAC0_OUT to adjust the brightness of a led

main.cpp

Committer:
namcheol
Date:
2020-04-15
Revision:
1:aa352db03d0c
Parent:
0:f31836d48420

File content as of revision 1:aa352db03d0c:

#include "mbed.h"

AnalogOut led(DAC0_OUT);  //led = DAC0_OUT

int main()
{
    float f;
    
    while (true) {
        for(f = 0.5; f <= 1.0; f += 0.01){   //led from 50% of brightness to 100%
            led.write(f);
            thread_sleep_for(3000/50);
            }
        for(f = 1.0; f >= 0.5; f -= 0.01){  //led from 100% to 50%
            led.write(f);
            thread_sleep_for(3000/50);
            }
    }
}