84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,2011 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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---
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes ChibiOS/RT, without being obliged to provide
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the source code for any proprietary components. See the file exception.txt
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for full details of how and when the exception can be applied.
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*/
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#include "ch.h"
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#if !defined(SYSTEM_CLOCK)
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#define SYSTEM_CLOCK 8000000
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#endif
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static uint32_t seconds_counter;
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static uint32_t minutes_counter;
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/*
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* This is a periodic thread that does absolutely nothing except increasing
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* the seconds counter.
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*/
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static WORKING_AREA(waThread1, 128);
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static msg_t Thread1(void *arg) {
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(void)arg;
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while (TRUE) {
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chThdSleepMilliseconds(1000);
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seconds_counter++;
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}
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}
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/*
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* Application entry point.
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*/
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int main(void) {
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/**
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* Hardware initialization, in this simple demo just the systick timer is
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* initialized.
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*/
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STBase->RVR = SYSTEM_CLOCK / CH_FREQUENCY - 1;
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STBase->CVR = 0;
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STBase->CSR = CLKSOURCE_CORE_BITS | ENABLE_ON_BITS | TICKINT_ENABLED_BITS;
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/*
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* System initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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chSysInit();
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/*
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* Creates the example thread.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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/*
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* Normal main() thread activity, in this demo it does nothing except
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* increasing the minutes counter.
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*/
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while (TRUE) {
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chThdSleepSeconds(60);
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minutes_counter++;
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}
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}
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