38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
//
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// Created by Luca on 10/8/2025.
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//
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#ifndef SHMINGO_HAL_SHAL_EXTI_REG_L432KC_H
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#define SHMINGO_HAL_SHAL_EXTI_REG_L432KC_H
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#include "SHAL_CORE.h"
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#include "SHAL_EXTI_TYPES.h"
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#define EXTI_PENDING_REG(line) ((line) < 32 ? EXTI->PR1 : EXTI->PR2)
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static inline SHAL_EXTI_Control_Register getEXTIControlRegister(uint32_t line){
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uint8_t maskOffset = line % 4; //Each register has four 4-bit wide fields
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uint8_t registerOffset = line / 4; //Composed of four registers with 4 fields each
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SHAL_EXTI_Control_Register res = {&SYSCFG->EXTICR[registerOffset], maskOffset};
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return res;
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}
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static inline SHAL_EXTI_Interrupt_Mask_Register getEXTIInterruptMaskRegister(uint32_t line){
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volatile uint32_t* reg = line < 32 ? &EXTI->IMR1 : &EXTI->IMR2;
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return {reg};;
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}
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static inline SHAL_EXTI_Rising_Trigger_Selection_Register getEXTIRisingTriggerSelectionRegister(uint32_t line){
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volatile uint32_t* reg = line < 32 ? &EXTI->RTSR1 : &EXTI->RTSR2;
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return {reg};
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}
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static inline SHAL_EXTI_Falling_Trigger_Selection_Register getEXTIFallingTriggerSelectionRegister(uint32_t line){
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volatile uint32_t* reg = line < 32 ? &EXTI->FTSR1 : &EXTI->FTSR2;
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return {reg};
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}
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#endif //SHMINGO_HAL_SHAL_EXTI_REG_L432KC_H
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