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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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"
/*
* Red LEDs blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
(void)arg;
while (TRUE) {
palClearPad(IOPORT3, GPIOC_LED);
chThdSleepMilliseconds(500);
palSetPad(IOPORT3, GPIOC_LED);
chThdSleepMilliseconds(500);
}
return 0;
}
static void pwmpcb(PWMDriver *pwmp) {
(void)pwmp;
}
static void pwmc1cb(PWMDriver *pwmp) {
(void)pwmp;
}
static PWMConfig pwmcfg = {
pwmpcb,
{
{PWM_OUTPUT_ACTIVE_HIGH, pwmc1cb},
{PWM_OUTPUT_DISABLED, NULL},
{PWM_OUTPUT_DISABLED, NULL},
{PWM_OUTPUT_DISABLED, NULL}
},
(uint16_t)(STM32_TIMCLK2 / 10000 - 1), /* 100 uS clock.*/
(uint16_t)(10000 - 1), /* Period 1S.*/
0
};
/*
* Entry point, note, the main() function is already a thread in the system
* on entry.
*/
int main(int argc, char **argv) {
(void)argc;
(void)argv;
/*
* Creates the blinker thread.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
* Initializes the PWM driver 1.
*/
pwmStart(&PWMD1, &pwmcfg);
palSetPadMode(IOPORT1, 8, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
chThdSleepMilliseconds(2000);
/*
* Starts the channel 0 with 50% duty cycle.
*/
pwmEnableChannel(&PWMD1, 0, 4999); /* 50% */
chThdSleepMilliseconds(5000);
/*
* Changes the channel 0 with 75% duty cycle.
*/
pwmEnableChannel(&PWMD1, 0, 7499); /* 75% */
chThdSleepMilliseconds(5000);
/*
* Disables channel 0.
*/
pwmDisableChannel(&PWMD1, 0);
/*
* Normal main() thread activity, in this demo it does nothing.
*/
while (TRUE) {
chThdSleepMilliseconds(500);
}
return 0;
}
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