57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
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/**
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* \file
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*
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* \section Purpose
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*
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* Methods and definitions for configuring interrupts.
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*
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* \section Usage
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* -# Enable or disable interrupt generation of a particular source with
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* IRQ_EnableIT and IRQ_DisableIT.
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* -# Start or stop the timer clock using TC_Start() and TC_Stop().
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*/
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#ifndef AIC_H
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#define AIC_H
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/*------------------------------------------------------------------------------
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* Headers
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*------------------------------------------------------------------------------*/
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#include "chip.h"
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#include <stdint.h>
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/*------------------------------------------------------------------------------
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* Global functions
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*------------------------------------------------------------------------------*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*ISRFunction_t)( void *param );
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enum {
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IRQ_TYPE_EDGE_BOTH,
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IRQ_TYPE_EDGE_RISING,
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IRQ_TYPE_EDGE_FALLING,
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IRQ_TYPE_LEVEL_HIGH,
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IRQ_TYPE_LEVEL_LOW,
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};
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extern void AIC_Initialize(void);
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extern void AIC_EnableIT( uint32_t source);
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extern void AIC_DisableIT(uint32_t source);
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extern int32_t request_irq(uint32_t irq_source, int32_t priority, ISRFunction_t func, void *param);
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extern int32_t free_irq(uint32_t irq_source);
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extern void AIC_IrqHandler(void);
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extern uint8_t interrupt_get_nest(void);
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#ifdef __cplusplus
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}
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#endif
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#endif //#ifndef AIC_H
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