72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
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/** @addtogroup exti_file EXTI peripheral API
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* @ingroup peripheral_apis
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*
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* @author @htmlonly © @endhtmlonly 2019 Guillaume Revaillot <g.revaillot@gmail.com>
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*
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* @date 10 January 2019
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*
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* LGPL License Terms @ref lgpl_license
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**@{*/
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#include <libopencm3/stm32/exti.h>
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/* @brief Get the rising edge interrupt requestf flag of a given EXTI interrupt.
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*
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* @param[in] exti unsigned int32 Exti line.
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*
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* */
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uint32_t exti_get_rising_flag_status(uint32_t exti)
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{
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return (EXTI_RPR1 & exti);
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}
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/* @brief Get the rising edge interrupt request flag of a given EXTI interrupt.
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*
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* @param[in] exti unsigned int32 Exti line.
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*
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* */
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uint32_t exti_get_falling_flag_status(uint32_t exti)
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{
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return (EXTI_FPR1 & exti);
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}
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/* @brief Resets the rising edge interrupt request pending flag of a given EXTI interrupt.
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*
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* @param[in] exti unsigned int32 Exti line.
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*
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* */
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void exti_reset_rising_request(uint32_t extis)
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{
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EXTI_RPR1 = extis;
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}
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/* @brief Resets the falling edge interrupt request pending flag of a given EXTI interrupt.
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*
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* @param[in] exti unsigned int32 Exti line.
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*
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* */
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void exti_reset_falling_request(uint32_t extis)
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{
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EXTI_FPR1 = extis;
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}
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/**@}*/
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