74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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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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