main.cpp

00001 #include "mbed.h"
00002 Serial pc(USBTX, USBRX);
00003 // A class for flip()-ing a DigitalOut 
00004 class Flipper {
00005     int     ii;
00006 public:
00007     Flipper(PinName pin) : _pin(pin) {
00008         _pin = 0;
00009         ii = 0;
00010     }
00011     void flip() {
00012         ii++;
00013         if( ii > 4000 ) {
00014             _pin = !_pin;
00015             ii=0;
00016         }     
00017     }
00018 private:
00019 
00020     DigitalOut _pin;
00021 };
00022 
00023 DigitalOut led(LED1);
00024 DigitalOut led2(LED2);
00025 Flipper f(LED3);
00026 Ticker t;
00027  
00028 int main() {
00029     t.attach_us(&f, &Flipper::flip, 25 ); // the address of the object, member function, and interval
00030                                             // 25 us = 40kHz
00031     //led3 = 1;
00032  
00033     // spin in a main loop. flipper will interrupt it to call flip
00034     while(1) {
00035         led = !led;
00036         wait(0.5);
00037     }
00038 }