isr.h

usb host在ARM7上的实现

#ifndef _ISR_H
#define _ISR_H

#define	interrupt
/****************************************************************************/
/*	constants																*/
/****************************************************************************/

/*	ISR and utility routines  */

#define		HcuInterrupt_SOFITInt			0x01
#define		HcuInterrupt_ATLInt				0x02
#define		HcuInterrupt_AllEOTInterrupt	0x04
#define		HcuInterrupt_OPR_Reg			0x10
#define		HcuInterrupt_HCSuspend			0x20
#define		HcuInterrupt_ClkReady			0x40

#define		HcInterruptStatus_SO			0x01
#define		HcInterruptStatus_SF			0x04
#define		HcInterruptStatus_RD			0x08
#define		HcInterruptStatus_UE			0x10
#define		HcInterruptStatus_FNO			0x20
#define		HcInterruptStatus_RHSC			0x40
#define		HcInterruptStatus_ATD			0x80

/*
**		bit position definitions for "g_isr_flag"	
*/

#define		SOFITInt			HcuInterrupt_SOFITInt
#define		ATLInt				HcuInterrupt_ATLInt
#define		AllEOTInterrupt		HcuInterrupt_AllEOTInterrupt
#define		OPR_Reg				HcuInterrupt_OPR_Reg
#define		HCSuspend			HcuInterrupt_HCSuspend
#define		ClkReady			HcuInterrupt_ClkReady
#define		SO					HcInterruptStatus_SO << 8
#define		SF					HcInterruptStatus_SF << 8
#define		RD					HcInterruptStatus_RD << 8
#define		UE					HcInterruptStatus_UE << 8
#define		FNO					HcInterruptStatus_FNO << 8
#define		RHSC				HcInterruptStatus_RHSC << 8
#define		ATD					HcInterruptStatus_ATD << 8

#define		MAXMUM_NUMBER_OF_SOF_SERVICE_ROUTINE_METHOD		2
#define		SERVICE_ROUTINE_INITIALIZE						{ NULL, NULL }



extern OS_EVENT	*OS_rhsc_event;
/****************************************************************************/
/*	types																	*/
/****************************************************************************/

typedef			void interrupt		(* isrPtr)( void );
typedef			void 				(* isrPtr)( void );
typedef			void 				(* funcPtr)( void );


/****************************************************************************/
/*	global vars																*/
/****************************************************************************/

extern volatile unsigned long		g_sof_counter;
//extern unsigned long	g_operation_time;

extern volatile unsigned short		g_isr_flag;
extern volatile unsigned short		g_event_marker;	// 事件标记
extern volatile unsigned short		g_event_counter;

extern unsigned short	hardware_configuration_setting;


/****************************************************************************/
/*	function prototypes														*/
/****************************************************************************/
void USB_Host_Serve(void);
void  	isr_USB_Hc( void );
void			enable_Hc( unsigned short intr_en );
unsigned short	disable_Hc( void );
funcPtr			install_SOF_service_routine( unsigned char number, funcPtr function_ptr );
funcPtr			install_ATLInt_service_routine( unsigned char number, funcPtr function_ptr );

void wait_ms( unsigned long timeout );

#endif