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LibrePilot/flight/PiOS/STM32F10x/pios_exti.c
chebuzz 7fcde2f248 OP-377 PiOS/BMP085 Update BMP085 driver to be FreeRTOS agnostic
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@3161 ebee16cc-31ac-478f-84a7-5cbb03baadba
2011-04-14 09:53:04 +00:00

99 lines
2.6 KiB
C

/**
******************************************************************************
*
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_EXTI External Interrupt Handlers
* @brief External interrupt handler functions
* @note Currently deals with BMP085 readings
* @{
*
* @file pios_exti.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief External Interrupt Handlers
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program 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.
*
* This program 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Project Includes */
#include "pios.h"
#if defined(PIOS_INCLUDE_EXTI)
/**
* Handle external lines 15 to 10 interrupt requests
*/
void EXTI15_10_IRQHandler(void)
{
#if defined(PIOS_INCLUDE_FREERTOS)
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
#endif
#if defined(PIOS_INCLUDE_BMP085)
if (EXTI_GetITStatus(PIOS_BMP085_EOC_EXTI_LINE) != RESET) {
/* Read the ADC Value */
#if defined(PIOS_INCLUDE_FREERTOS)
xSemaphoreGiveFromISR(PIOS_BMP085_EOC, &xHigherPriorityTaskWoken);
#else
PIOS_BMP085_EOC=1;
#endif
/* Clear the EXTI line pending bit */
EXTI_ClearITPendingBit(PIOS_BMP085_EOC_EXTI_LINE);
}
#endif
#if defined(PIOS_INCLUDE_FREERTOS)
/* Yield From ISR if needed */
portEND_SWITCHING_ISR(xHigherPriorityTaskWoken);
#endif
}
/**
* Handle external lines 9 to 5 interrupt requests
*/
extern void PIOS_HMC5843_IRQHandler(void);
void EXTI9_5_IRQHandler(void)
{
#if defined(PIOS_INCLUDE_HMC5843)
if (EXTI_GetITStatus(PIOS_HMC5843_DRDY_EXTI_LINE) != RESET) {
PIOS_HMC5843_IRQHandler();
EXTI_ClearITPendingBit(PIOS_HMC5843_DRDY_EXTI_LINE);
}
#endif
}
/**
* Handle external line 4 interrupt requests
*/
#if defined(PIOS_INCLUDE_USB)
void EXTI4_IRQHandler(void)
{
if (EXTI_GetITStatus(PIOS_USB_DETECT_EXTI_LINE) != RESET) {
/* Clear the EXTI line pending bit */
EXTI_ClearITPendingBit(PIOS_USB_DETECT_EXTI_LINE);
}
}
#endif
#endif
/**
* @}
* @}
*/