/* $Id$ */ /* * Copyright (c) 2011 Dimitri Sokolyuk * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "kernel.h" #include "tasks.h" #define PIN PB0 void heartbeat(void *arg) { /* 80bpm: 100ms on, 50ms off, 100ms on, 500ms off */ DDRB |= _BV(PIN); PORTB &= ~_BV(PIN); for (;;) { PORTB |= _BV(PIN); sleep(MSEC(100)); PORTB &= ~_BV(PIN); sleep(MSEC(50)); PORTB |= _BV(PIN); sleep(MSEC(100)); PORTB &= ~_BV(PIN); sleep(MSEC(500)); } }