extint.h

实现功能ATmega单片机上处理GSM模块的数据

#ifndef EXTINT_H
#define EXTINT_H

#include "global.h"

#define EXTINT0					0x00	///< External Interrupt 0
#define EXTINT1					0x01	///< External Interrupt 1
#define EXTINT2					0x02	///< External Interrupt 2
#define EXTINT3					0x03	///< External Interrupt 3
#define EXTINT4					0x04	///< External Interrupt 4
#define EXTINT5					0x05	///< External Interrupt 5
#define EXTINT6					0x06	///< External Interrupt 6
#define EXTINT7					0x07	///< External Interrupt 7

#define EXTINT_LEVEL_LOW		0x00	///< Trigger on low level
#define EXTINT_EDGE_ANY			0x01	///< Trigger on any edge
#define EXTINT_EDGE_FALLING		0x02	///< Trigger on falling edge
#define EXTINT_EDGE_RISING		0x03	///< Trigger on rising edge

#ifndef EXTINT_INTERRUPT_HANDLER
#define EXTINT_INTERRUPT_HANDLER	SIGNAL
#endif

#ifdef SIG_INTERRUPT7
	#define EXTINT_NUM_INTERRUPTS	8
#else
#ifdef SIG_INTERRUPT2
	#define EXTINT_NUM_INTERRUPTS	3
#else
#ifdef SIG_INTERRUPT1
	#define EXTINT_NUM_INTERRUPTS	2
#else
	#define EXTINT_NUM_INTERRUPTS	1
#endif
#endif
#endif

void extintInit(void);

void extintConfigure(u08 interruptNum, u08 configuration);

void extintAttach(u08 interruptNum, void (*userHandler)(void) );
void extintDetach(u08 interruptNum);

#endif