Giles Barton-Owen / Mbed 2 deprecated PWMAverage_test

A test program for the PWMAverage library. This program will print the average duty cycle of a signal (1Hz-100kHz) after a button is pressed for a few seconds.

Dependencies:   PWMAverage mbed

main.cpp

Committer:
p07gbar
Date:
2012-08-29
Revision:
0:a84599c324fb

File content as of revision 0:a84599c324fb:

// Measure and print the average duty cycle of a signal connected to p29 and p30 (together) while the button (p16) is pulled high

#include "mbed.h"
#include "PWMAverage.h"

DigitalOut myled(LED1);

PWMAverage pa(p29,p30);

DigitalIn button (p16);

Timer tmr;

int main()
{
    button.mode(PullDown);
    while(1)
    {
        pa.reset();
    
        while (!button) {}
        pa.start();
        tmr.start();
        myled=1;
    
        while (button) {}
        pa.stop();
        tmr.stop();
        myled=0;
    
        printf("Average dudy cycle over %d us was %.4f\n\r",tmr.read_us(),pa.read());
    }
}