interruptExample - Interval Interrupt Example

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Interval Interrupt Example

main.cpp@0:ec454e4339e4, 2010-10-05 (annotated)

User	Revision	Line number	New contents of line
kdelraso	0:ec454e4339e4	1	#include "mbed.h"
kdelraso	0:ec454e4339e4	2
kdelraso	0:ec454e4339e4	3	// A class for flip()-ing a DigitalOut
kdelraso	0:ec454e4339e4	4	class Flipper {
kdelraso	0:ec454e4339e4	5	public:
kdelraso	0:ec454e4339e4	6	Flipper(PinName pin) : _pin(pin) {
kdelraso	0:ec454e4339e4	7	_pin = 0;
kdelraso	0:ec454e4339e4	8	}
kdelraso	0:ec454e4339e4	9	void flip() {
kdelraso	0:ec454e4339e4	10	_pin = !_pin;
kdelraso	0:ec454e4339e4	11	}
kdelraso	0:ec454e4339e4	12	private:
kdelraso	0:ec454e4339e4	13	DigitalOut _pin;
kdelraso	0:ec454e4339e4	14	};
kdelraso	0:ec454e4339e4	15
kdelraso	0:ec454e4339e4	16	DigitalOut led1(LED1);
kdelraso	0:ec454e4339e4	17	DigitalOut led3(LED3);
kdelraso	0:ec454e4339e4	18
kdelraso	0:ec454e4339e4	19	Flipper f(LED2);
kdelraso	0:ec454e4339e4	20	Ticker t;
kdelraso	0:ec454e4339e4	21
kdelraso	0:ec454e4339e4	22	int main() {
kdelraso	0:ec454e4339e4	23	t.attach_us(&f, &Flipper::flip, 25); // the address of the object, member function, and interval
kdelraso	0:ec454e4339e4	24	// 25 us = 40kHz
kdelraso	0:ec454e4339e4	25	led3 = 1;
kdelraso	0:ec454e4339e4	26
kdelraso	0:ec454e4339e4	27	// spin in a main loop. flipper will interrupt it to call flip
kdelraso	0:ec454e4339e4	28	while(1) {
kdelraso	0:ec454e4339e4	29	led1 = !led1;
kdelraso	0:ec454e4339e4	30	wait(0.2);
kdelraso	0:ec454e4339e4	31	}
kdelraso	0:ec454e4339e4	32	}