I have a problem where the external exti2 interrupt is not working. i work on bord stm32f769 i need 4 channel interrupt where i set on GPIOC 2,GPIOC 3,GPIOC 8,GPIOC 11. all interrupts work except GPIOC 2. i need enlightenment
thank you
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/*
ChibiOS - Copyright (C) 2006..2018 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"
// #include "rt_test_root.h"
// #include "oslib_test_root.h"
// #include "chprintf.h"
int xx=0;
// #define printf(fmt, ...)
// chprintf((BaseSequentialStream*)&SD1, fmt, ##__VA_ARGS__)
/*
* This is a periodic thread that does absolutely nothing except flashing
* a LED.
*/
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {
(void)arg;
chRegSetThreadName("blinker");
palSetPadMode(GPIOD,4,PAL_MODE_OUTPUT_PUSHPULL |PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(GPIOC, 2U, PAL_MODE_INPUT_PULLDOWN);
while (true) {
// palToggleLine(PAL_LINE(GPIOD, 4U));
chThdSleepMilliseconds(500);
// palClearLine(PAL_LINE(GPIOD, 4U));
// chThdSleepMilliseconds(500);
}
}
static void button_cb(void *arg){
(void)arg;
chSysLockFromISR();
// xx++;
palToggleLine(PAL_LINE(GPIOD, 4U));
chSysUnlockFromISR();
}
/*
* 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();
palEnablePadEvent(GPIOC, 2U, PAL_EVENT_MODE_RISING_EDGE);
palSetPadCallback(GPIOC, 2U, button_cb, NULL);
palEnableLineEvent(PAL_LINE(GPIOC, 3U), PAL_EVENT_MODE_RISING_EDGE);
palSetLineCallback(PAL_LINE(GPIOC, 3U), button_cb, NULL);
/*
* ARD_D13 is programmed as output (board LED).
*/
// palClearLine(LINE_ARD_D13);
// palSetLineMode(LINE_ARD_D13, PAL_MODE_OUTPUT_PUSHPULL);
/*
* Activates the serial driver 1 using the driver default configuration.
*/
// sdStart(&SD1, NULL);
/*
* Creates the example thread.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
* Normal main() thread activity, in this demo it does nothing except
* sleeping in a loop and check the button state.
*/
while (true) {
// if (palReadLine(LINE_BUTTON_USER)) {
// // test_execute((BaseSequentialStream *)&SD1, &rt_test_suite);
// // test_execute((BaseSequentialStream *)&SD1, &oslib_test_suite);
// }
// printf("data %d\r\n",xx);
chThdSleepMilliseconds(500);
}
}
