University of Plymouth - Stages 1, 2 and 3 / Mbed OS PWM-as-DAC

Use a PWM to simulate a DAC (needs additional filter)

main.cpp

Committer:
noutram
Date:
2017-10-10
Revision:
0:5d9c5cd32f43

File content as of revision 0:5d9c5cd32f43:

#include "mbed.h"

DigitalOut led1(LED1);
DigitalOut pin(D7);
PwmOut pwm(D6); 

// main() runs in its own thread in the OS
int main() {
    pwm.period_us(10);      // 1 second period
    pwm = 0.5f;      // 50% duty cycle, relative to period
    while (true) {
        led1 = !led1;
        pin = !pin;
        wait(0.5);
    }
}