100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
|
|
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
#include "ch.h"
|
|
#include "hal.h"
|
|
|
|
static void led4off(void *arg) {
|
|
|
|
(void)arg;
|
|
palClearPad(GPIOC, GPIOC_LED4);
|
|
}
|
|
|
|
/* Triggered when the button is pressed or released. The LED4 is set to ON.*/
|
|
static void extcb1(EXTDriver *extp, expchannel_t channel) {
|
|
static VirtualTimer vt4;
|
|
|
|
(void)extp;
|
|
(void)channel;
|
|
palSetPad(GPIOC, GPIOC_LED4);
|
|
chSysLockFromIsr();
|
|
if (chVTIsArmedI(&vt4))
|
|
chVTResetI(&vt4);
|
|
/* LED4 set to OFF after 200mS.*/
|
|
chVTSetI(&vt4, MS2ST(200), led4off, NULL);
|
|
chSysUnlockFromIsr();
|
|
}
|
|
|
|
static const EXTConfig extcfg = {
|
|
{
|
|
{EXT_CH_MODE_BOTH_EDGES | EXT_CH_MODE_AUTOSTART | EXT_MODE_GPIOA, extcb1},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL},
|
|
{EXT_CH_MODE_DISABLED, NULL}
|
|
}
|
|
};
|
|
|
|
/*
|
|
* 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();
|
|
|
|
/*
|
|
* Activates the EXT driver 1.
|
|
*/
|
|
extStart(&EXTD1, &extcfg);
|
|
|
|
/*
|
|
* Normal main() thread activity, in this demo it enables and disables the
|
|
* button EXT channel using 5 seconds intervals.
|
|
*/
|
|
while (TRUE) {
|
|
chThdSleepMilliseconds(5000);
|
|
extChannelDisable(&EXTD1, 0);
|
|
chThdSleepMilliseconds(5000);
|
|
extChannelEnable(&EXTD1, 0);
|
|
}
|
|
}
|