96 lines
2.3 KiB
C
96 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/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "ch.h"
|
||
|
|
#include "hal.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* GPT1 callback.
|
||
|
|
*/
|
||
|
|
static void gpt1cb(GPTDriver *gptp) {
|
||
|
|
|
||
|
|
(void)gptp;
|
||
|
|
palClearPad(IOPORT3, GPIOC_LED);
|
||
|
|
chSysLockFromIsr();
|
||
|
|
gptStartOneShotI(&GPTD2, 200); /* 0.02 second pulse.*/
|
||
|
|
chSysUnlockFromIsr();
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* GPT2 callback.
|
||
|
|
*/
|
||
|
|
static void gpt2cb(GPTDriver *gptp) {
|
||
|
|
|
||
|
|
(void)gptp;
|
||
|
|
palSetPad(IOPORT3, GPIOC_LED);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* GPT1 configuration.
|
||
|
|
*/
|
||
|
|
static const GPTConfig gpt1cfg = {
|
||
|
|
10000, /* 10KHz timer clock.*/
|
||
|
|
gpt1cb /* Timer callback.*/
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* GPT2 configuration.
|
||
|
|
*/
|
||
|
|
static const GPTConfig gpt2cfg = {
|
||
|
|
10000, /* 10KHz timer clock.*/
|
||
|
|
gpt2cb /* Timer callback.*/
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Application entry point.
|
||
|
|
*/
|
||
|
|
int main(void) {
|
||
|
|
|
||
|
|
/*
|
||
|
|
* System initializations.
|
||
|
|
* - HAL initialization, this also initializes the configured device drivers
|
||
|
|
* and performs the board-specific initializations.
|
||
|
|
* - Kernel initialization, the main() function becomes a thread and the
|
||
|
|
* RTOS is active.
|
||
|
|
*/
|
||
|
|
halInit();
|
||
|
|
chSysInit();
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Initializes the GPT drivers 1 and 2.
|
||
|
|
*/
|
||
|
|
gptStart(&GPTD1, &gpt1cfg);
|
||
|
|
gptPolledDelay(&GPTD1, 10); /* Small dealy.*/
|
||
|
|
gptStart(&GPTD2, &gpt2cfg);
|
||
|
|
gptPolledDelay(&GPTD2, 10); /* Small dealy.*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Normal main() thread activity, it changes the GPT1 period every
|
||
|
|
* five seconds.
|
||
|
|
*/
|
||
|
|
while (TRUE) {
|
||
|
|
gptStartContinuous(&GPTD1, 5000);
|
||
|
|
chThdSleepMilliseconds(5000);
|
||
|
|
gptStartContinuous(&GPTD1, 2500);
|
||
|
|
chThdSleepMilliseconds(5000);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|