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rt-thread-official/bsp/yichip/yc3122-pos/Libraries/sdk/yc_exti.c

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/*
* Copyright (c) 2006-2020, YICHIP Development Team
* @file yc_exit.c
* @brief source file for setting exit
*
* Change Logs:
* Date Author Version Notes
* 2021-12-24 yangzhengfeng V1.0.0 Modify the register module configuration
* 2021-01-03 wangjingfan V1.0.1 Compile error correction
* 2021-01-20 yangzhengfeng V1.0.2 Update library function
*/
#include "yc_exti.h"
/**
* @brief Clear interrupt flag
* @param EXTI_Line:EXTI_Line_0...EXTI_Line_4
* @param EXTI_PinSource:EXTI_PinSource0...EXTI_PinSource15
* @retval none
*/
void EXTI_ClearITPendingBit(EXTI_LineTypeDef EXTI_Line, EXTI_PIN_TypeDef EXTI_PinSource)
{
_ASSERT(IS_EXTI_LINE(EXTI_Line));
_ASSERT(IS_EXTI_PIN_SOURCE(EXTI_PinSource));
MGPIO->IRQ_STATUS.reg[EXTI_Line] |= EXTI_PinSource;
}
/**
* @brief Deinitializes the EXTI registers to default reset values.
* @param none
* @retval none
*/
void EXTI_DeInit()
{
uint32_t i;
for (i = 0; i < EXIT_Num; i++)
{
MGPIO->INTR.reg[i] = 0;
MGPIO->IRQ_LEVEL.reg[i] = 0;
MGPIO->IRQ_RISE.reg[i] = 0;
MGPIO->IRQ_FALL.reg[i] = 0;
}
}
/**
* @brief get interrupt status
* @param EXTI_Line:EXTI_Line_0...EXTI_Line_4
* @retval none
*/
uint16_t EXTI_GetITLineStatus(EXTI_LineTypeDef EXTI_Line)
{
_ASSERT(IS_EXTI_LINE(EXTI_Line));
return MGPIO->INTR.reg[EXTI_Line];
}
/**
* @brief get interrupt pinsource status
* @param EXTI_Line:EXTI_Line_0...EXTI_Line_4
* @param EXTI_PinSource:EXTI_PinSource0...EXTI_PinSource15
* @retval none
*/
uint16_t EXTI_GetITEXTI_PinSourceStatus(EXTI_LineTypeDef EXTI_Line, EXTI_PIN_TypeDef EXTI_PinSource)
{
_ASSERT(IS_EXTI_LINE(EXTI_Line));
_ASSERT(IS_EXTI_PIN_SOURCE(EXTI_PinSource));
if(MGPIO->INTR.reg[EXTI_Line] & EXTI_PinSource)
{
return ENABLE;
}
else
{
return DISABLE;
}
}
/**
* @brief EXTI LineConfig
* @param EXTI_Line:EXTI_Line_0...EXTI_Line_4
* @param EXTI_PinSource:EXTI_PinSource0...EXTI_PinSource15
* @param EXTI_Trigger:EXTI Trigger mode
* @retval none
*/
void EXTI_LineConfig(EXTI_LineTypeDef EXTI_Line, EXTI_PIN_TypeDef EXTI_PinSource, EXTI_TriggerTypeDef EXTI_Trigger)
{
_ASSERT(IS_EXTI_LINE(EXTI_Line));
_ASSERT(IS_EXTI_PIN_SOURCE(EXTI_PinSource));
_ASSERT(IS_TRIG_TYPEDEF(EXTI_Trigger));
uint16_t val_intr_lts,val_intr_rts,val_intr_fts,val_intr_en;
switch (EXTI_Trigger)
{
case EXTI_Trigger_Off:
val_intr_en = ~EXTI_PinSource;
val_intr_lts = ~EXTI_PinSource;
val_intr_rts = ~EXTI_PinSource;
val_intr_fts = ~EXTI_PinSource;
break;
case EXTI_Trigger_HighLev:
val_intr_en = EXTI_PinSource;
val_intr_lts = ~EXTI_PinSource;
val_intr_rts = ~EXTI_PinSource;
val_intr_fts = ~EXTI_PinSource;
break;
case EXTI_Trigger_LowLev:
val_intr_en = EXTI_PinSource;
val_intr_lts = EXTI_PinSource;
val_intr_rts = ~EXTI_PinSource;
val_intr_fts = ~EXTI_PinSource;
break;
case EXTI_Trigger_Rising:
val_intr_en = EXTI_PinSource;
val_intr_lts = ~EXTI_PinSource;
val_intr_rts = EXTI_PinSource;
val_intr_fts = ~EXTI_PinSource;
break;
case EXTI_Trigger_Falling:
val_intr_en = EXTI_PinSource;
val_intr_lts = ~EXTI_PinSource;
val_intr_rts = ~EXTI_PinSource;
val_intr_fts = EXTI_PinSource;
break;
case EXTI_Trigger_Rising_Falling:
val_intr_en = EXTI_PinSource;
val_intr_lts = ~EXTI_PinSource;
val_intr_rts = EXTI_PinSource;
val_intr_fts = EXTI_PinSource;
break;
default:
break;
}
if (EXTI_Trigger == EXTI_Trigger_Off)
{
MGPIO->INTR.reg[EXTI_Line] &= val_intr_en;
MGPIO->IRQ_LEVEL.reg[EXTI_Line] &= val_intr_lts;
MGPIO->IRQ_RISE.reg[EXTI_Line] &= val_intr_rts;
MGPIO->IRQ_FALL.reg[EXTI_Line] &= val_intr_fts;
}
else if (EXTI_Trigger == EXTI_Trigger_HighLev )
{
MGPIO->IRQ_LEVEL.reg[EXTI_Line] &= val_intr_lts;
MGPIO->IRQ_RISE.reg[EXTI_Line] &= val_intr_rts;
MGPIO->IRQ_FALL.reg[EXTI_Line] &= val_intr_fts;
MGPIO->INTR.reg[EXTI_Line] |= val_intr_en;
}
else if (EXTI_Trigger == EXTI_Trigger_LowLev )
{
MGPIO->IRQ_LEVEL.reg[EXTI_Line] |= val_intr_lts;
MGPIO->IRQ_RISE.reg[EXTI_Line] &= val_intr_rts;
MGPIO->IRQ_FALL.reg[EXTI_Line] &= val_intr_fts;
MGPIO->INTR.reg[EXTI_Line] |= val_intr_en;
}
else if (EXTI_Trigger == EXTI_Trigger_Rising )
{
MGPIO->IRQ_LEVEL.reg[EXTI_Line] &= val_intr_lts;
MGPIO->IRQ_RISE.reg[EXTI_Line] |= val_intr_rts;
MGPIO->IRQ_FALL.reg[EXTI_Line] &= val_intr_fts;
MGPIO->INTR.reg[EXTI_Line] |= val_intr_en;
}
else if (EXTI_Trigger == EXTI_Trigger_Falling )
{
MGPIO->IRQ_LEVEL.reg[EXTI_Line] &= val_intr_lts;
MGPIO->IRQ_RISE.reg[EXTI_Line] &= val_intr_rts;
MGPIO->IRQ_FALL.reg[EXTI_Line] |= val_intr_fts;
MGPIO->INTR.reg[EXTI_Line] |= val_intr_en;
}
else if (EXTI_Trigger == EXTI_Trigger_Rising_Falling )
{
MGPIO->IRQ_LEVEL.reg[EXTI_Line] &= val_intr_lts;
MGPIO->IRQ_RISE.reg[EXTI_Line] |= val_intr_rts;
MGPIO->IRQ_FALL.reg[EXTI_Line] |= val_intr_fts;
MGPIO->INTR.reg[EXTI_Line] |= val_intr_en;
}
}
//extern void VBAT_IRQHandler(void);
//extern void EXTI0_IRQHandler(void);
//extern void EXTI1_IRQHandler(void);
//extern void EXTI2_IRQHandler(void);
//extern void EXTI3_IRQHandler(void);
//extern void EXTI4_IRQHandler(void);
//void GPIO_IRQHandler()
//{
// uint8_t Exti_irq_index;
// NVIC_DisableIRQ(GPIO_IRQn);
// if (MSYSCTRL->CHGR_EVENT_IRQ.bit.VBAT_OV & MSYSCTRL->CHGR_EVENT_ICTRL.bit.VBAT_OV_IE)
// {
// //VBAT_IRQHandler();
// }
// Exti_irq_index = MGPIO->IRQ_NUM.reg;
// if(MGPIO->INTR.reg[Exti_irq_index/EXIT_Pin_Num] &(1 << (Exti_irq_index%EXIT_Pin_Num)))
// {
// switch (Exti_irq_index/EXIT_Pin_Num)
// {
// case EXTI_Line_0:
// EXTI0_IRQHandler();
// break;
// case EXTI_Line_1:
// EXTI1_IRQHandler();
// break;
// case EXTI_Line_2:
// EXTI2_IRQHandler();
// break;
// case EXTI_Line_3:
// EXTI3_IRQHandler();
// break;
// case EXTI_Line_4:
// EXTI4_IRQHandler();
// break;
// default:
// break;
// }
// EXTI_ClearITPendingBit((EXTI_LineTypeDef)(Exti_irq_index/EXIT_Pin_Num),(EXTI_PIN_TypeDef)(BIT(Exti_irq_index%EXIT_Pin_Num)));
// }
// NVIC_EnableIRQ(GPIO_IRQn);
//}
/************************ (C) COPYRIGHT Yichip Microelectronics *****END OF FILE****/
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