75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/*
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* Copyright 2021 MindMotion Microelectronics Co., Ltd.
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "hal_exti.h"
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void EXTI_EnableLineInterrupt(EXTI_Type * EXTIx, uint32_t lines, bool enable)
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{
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if (enable)
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{
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EXTIx->IMR |= lines;
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}
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else
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{
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EXTIx->IMR &= ~ lines;
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}
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}
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void EXTI_EnableLineEvent(EXTI_Type * EXTIx, uint32_t lines, bool enable)
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{
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if (enable)
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{
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EXTIx->EMR |= lines;
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}
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else
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{
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EXTIx->EMR &= ~ lines;
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}
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}
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void EXTI_SetTriggerIn(EXTI_Type * EXTIx, uint32_t lines, EXTI_TriggerIn_Type trgin)
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{
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switch (trgin)
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{
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case EXTI_TriggerIn_Disable:
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EXTIx->RTSR &= ~ lines;
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EXTIx->FTSR &= ~ lines;
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break;
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case EXTI_TriggerIn_RisingEdge:
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EXTI->RTSR |= lines;
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EXTIx->FTSR &= ~ lines;
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break;
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case EXTI_TriggerIn_FallingEdge:
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EXTI->RTSR &= ~ lines;
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EXTI->FTSR |= lines;
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break;
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case EXTI_TriggerIn_BothEdges:
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EXTI->RTSR |= lines;
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EXTI->FTSR |= lines;
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break;
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default:
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break;
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}
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}
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void EXTI_DoSwTrigger(EXTI_Type * EXTIx, uint32_t lines)
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{
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EXTIx->SWIER = lines;
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}
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uint32_t EXTI_GetLineStatus(EXTI_Type * EXTIx)
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{
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return EXTIx->PR;
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}
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void EXTI_ClearLineStatus(EXTI_Type * EXTIx, uint32_t lines)
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{
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EXTIx->PR |= lines;
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}
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/* EOF. */
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