72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/** @addtogroup exti_file EXTI peripheral API
|
|
* @ingroup peripheral_apis
|
|
*
|
|
* @author @htmlonly © @endhtmlonly 2019 Guillaume Revaillot <g.revaillot@gmail.com>
|
|
*
|
|
* @date 10 January 2019
|
|
*
|
|
* LGPL License Terms @ref lgpl_license
|
|
*/
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**@{*/
|
|
|
|
#include <libopencm3/stm32/exti.h>
|
|
|
|
/* @brief Get the rising edge interrupt requestf flag of a given EXTI interrupt.
|
|
*
|
|
* @param[in] exti unsigned int32 Exti line.
|
|
*
|
|
* */
|
|
uint32_t exti_get_rising_flag_status(uint32_t exti)
|
|
{
|
|
return (EXTI_RPR1 & exti);
|
|
}
|
|
|
|
/* @brief Get the rising edge interrupt request flag of a given EXTI interrupt.
|
|
*
|
|
* @param[in] exti unsigned int32 Exti line.
|
|
*
|
|
* */
|
|
uint32_t exti_get_falling_flag_status(uint32_t exti)
|
|
{
|
|
return (EXTI_FPR1 & exti);
|
|
}
|
|
|
|
/* @brief Resets the rising edge interrupt request pending flag of a given EXTI interrupt.
|
|
*
|
|
* @param[in] exti unsigned int32 Exti line.
|
|
*
|
|
* */
|
|
void exti_reset_rising_request(uint32_t extis)
|
|
{
|
|
EXTI_RPR1 = extis;
|
|
}
|
|
|
|
/* @brief Resets the falling edge interrupt request pending flag of a given EXTI interrupt.
|
|
*
|
|
* @param[in] exti unsigned int32 Exti line.
|
|
*
|
|
* */
|
|
void exti_reset_falling_request(uint32_t extis)
|
|
{
|
|
EXTI_FPR1 = extis;
|
|
}
|
|
|
|
/**@}*/
|