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