tr_scheduler.h

ARM读写U盘驱动软件包源程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                     graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name: TR_SCHEDULER.h
** Last modified Date: 2005-04-22
** Last Version: V1.0 
** Description: 
**
**------------------------------------------------------------------------------------------------------
** Created By: Lishan Zhou
** Created date: 2005-04-22
** Version: V1.0 
** Description:
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Description:
**
********************************************************************************************************/

#ifndef _TR_SCHEDULER_H
#define _TR_SCHEDULER_H


/****************************************************************************/
/*	includes																*/
/****************************************************************************/
#include	"..\dev_ep.h"
#include	"..\transfer.h"


/****************************************************************************/
/*	constants																*/
/****************************************************************************/

#define		CompletionCode_NoEror				0x0
#define		CompletionCode_CRC					0x1
#define		CompletionCode_BitStuffing			0x2
#define		CompletionCode_DataToggleMismatch	0x3
#define		CompletionCode_Stall				0x4
#define		CompletionCode_DeviceNotResponding	0x5
#define		CompletionCode_PIDCheckFailure		0x6
#define		CompletionCode_UnexpectedPID		0x7
#define		CompletionCode_DataOverrun			0x8
#define		CompletionCode_DataUnderrun			0x9
#define		CompletionCode_BufferOverrun		0xC
#define		CompletionCode_BufferUnderrun		0xD

#define		Speed_Full							0
#define		Speed_Low							1

#define		DirectionPID_SETUP					0
#define		DirectionPID_OUT					1
#define		DirectionPID_IN						2
#define		NoDirection_Just_Hold				3

#define		SETUP								DirectionPID_SETUP
#define		OUT									DirectionPID_OUT
#define		IN									DirectionPID_IN
#define		HOLD								NoDirection_Just_Hold


#define		ATL_FULL_RW							0x0
#define		ATL_SHORT_READ						0x1
#define		ATL_SHORT_WRITE						0x2

#define		NO_OPEN_ATL_TRANSFER		(void *)0xFFFFFFFF
#define		ATL_ENDPOINT_ERR				NO_OPEN_ATL_TRANSFER


#define		Format_Async						0
#define		Format_Iso							1


#define		MAX_DATA_SIZE_IN_A_FRAME			512



/****************************************************************************/
/*	types																	*/
/****************************************************************************/

typedef struct	PTD_h{
	unsigned char		byte[ 8 ];
}PTD_header;
									
typedef struct	PTD_h_p{
	unsigned short		ActualBytes;
	unsigned char		CompletionCode;
	unsigned char		Active;
	unsigned char		Toggle;
	unsigned short		MaxPacketSize;
	unsigned char		EndpointNumber;
	unsigned char		Last;
	unsigned char		Speed;
	unsigned short		TotalBytes;
	unsigned char		DirectionPID;
	unsigned char		Format;
	unsigned char		FunctionAddress;
	unsigned char		test;
}PTD_header_param;


/****************************************************************************/
/*	function prototypes														*/
/****************************************************************************/

void				atl_initialize( void );
transfer_instance *atl_open_transfer_instance( endpoint_info * epi_ptr);


 unsigned char 	atl_set_transfer( transfer_instance *tr_inst_ptr,
								  unsigned char *buffer_ptr, 						// 数据缓冲区指针
								  unsigned short length, 							// 传输数据长度
								  unsigned char direction, 							// 传输方向
								  void (*callback)(transfer_instance *tr_inst_ptr));// 传输完成回调函数

void				atl_close_transfer_instance( transfer_instance *tr_instance_ptr );

void				re_enable_interrupt_transfer( transfer_instance *tr_inst_ptr );
void				atl_SOF_interrupt_service( void );
void				atl_ATL_transfer_mixer( void );
unsigned char		is_fatal_error( transfer_instance *tr_inst_ptr );
#endif //_ATL_MNG_H