usbdisk.h

增强型51单片机fs7821cf卡读写程序

/*
**********************************************************************************************
* Project:	TK7821
* File:		UsbDisk.h
* Contents: 
*           The public definition header file
*
* $Date: 02/25/05    Jason    v0.1
*        04/21/05    Mingo    v0.2   www.fameg.com
*
* Copyright (c) 2005 Fameg, Inc. All rights reserved
***********************************************************************************************
*/

#ifndef UsbDiskH
#define UsbDiskH

#include "SotaType.h"
sfr STRETCH = 0x8f;


  #define PREFETCH
  #define CF

sbit POWER_LED_CTRL  = P2^4;
//----------------------------------------------------------------------------
// Status code 0x00 ~ 0x3f for storage media
//----------------------------------------------------------------------------
#define STATUS_SUCCESS       0x00
#define STATUS_PARAM_ERROR   0x01
#define STATUS_FLASH_ERROR   0x02
#define STATUS_WRITE_PROTECT 0x03
#define STATUS_CIS_ERROR     0x04
#define STATUS_BLOCK_ERROR   0x05
#define STATUS_DATA_ERROR    0x06
#define STATUS_ECC_1ERROR    0x07
#define STATUS_ECC_2ERROR    0x08
#define STATUS_NO_BLOCK      0x09
#define STATUS_INVALID_BLOCK 0x0a
#define STATUS_NO_MEDIA      0x0b
#define STATUS_MEDIA_CHANGE  0x0c
#define STATUS_MEDIA_BUSY    0x0d
#define STATUS_AUTH_ERROR    0x0e
#define STATUS_CMD_ERROR     0x0f

//----------------------------------------------------------------------------
// Tool function declare
//----------------------------------------------------------------------------
UINT16 ConvertEndian16(UINT16 Src);
UINT32 ConvertEndian32(UINT32 Src);
void ConvertBufEndian16(UINT16 Buffer, UINT16 Length);
bool EvenParity(UINT16 Data);
void Reset();

//----------------------------------------------------------------------------
// USB function declare
//----------------------------------------------------------------------------
void UsbInit();
void UsbCtrlIntHandler(BYTE IntEvent);
void UsbBulkIntHandler(BYTE IntEvent);

#define LoSpeed() STRETCH = 5
#define NormalSpeed() STRETCH = 3;
#define HiSpeed() STRETCH = 1
#define FifoClkUsb(Buffer)\
{\
  if (Buffer == DMA_BUFFER0)\
    CSRWrite(USB_BASE + FIFO_CLK_CTRL, CSRRead(USB_BASE + FIFO_CLK_CTRL) & ~FIFO0_CLK);\
  else\
    CSRWrite(USB_BASE + FIFO_CLK_CTRL, CSRRead(USB_BASE + FIFO_CLK_CTRL) & ~FIFO1_CLK);\
}
#define FifoClkCpu(Buffer)\
{\
  if (Buffer == DMA_BUFFER0)\
    CSRWrite(USB_BASE + FIFO_CLK_CTRL, CSRRead(USB_BASE + FIFO_CLK_CTRL) | FIFO0_CLK);\
  else\
    CSRWrite(USB_BASE + FIFO_CLK_CTRL, CSRRead(USB_BASE + FIFO_CLK_CTRL) | FIFO1_CLK);\
}
#define Fifo2ClkUsb() CSRWrite(USB_BASE + FIFO_CLK_CTRL, CSRRead(USB_BASE + FIFO_CLK_CTRL) & ~FIFO2_CLK)
#define Fifo2ClkCpu() CSRWrite(USB_BASE + FIFO_CLK_CTRL, CSRRead(USB_BASE + FIFO_CLK_CTRL) | FIFO2_CLK)
#define CSRRead(Addr) (*(volatile BYTE xdata *)(Addr))
#define CSRWrite(Addr, Data) (*(volatile BYTE xdata *)(Addr) = (Data))
#define cli() EA = 0
#define sti() EA = 1
#define ClearRegBit(Reg, BitMask)  CSRWrite(Reg, (CSRRead(Reg) & BitMask))
#define Delay(Time)\
{\
  DelayTimer = (Time)/10;\
  while (DelayTimer);\
}
#define HwId() (((UINT16)CSRRead(USB_BASE + MAJOR_ID) << 8) | CSRRead(USB_BASE + MINOR_ID))
#define HwVersion() (((UINT16)CSRRead(USB_BASE + MAJOR_VERSION) << 8) | CSRRead(USB_BASE + MINOR_VERSION))
#define SOTA_MAGIC_NUM0  0x55
#define SOTA_MAGIC_NUM1  0xAA

extern bit ResetFlag;
extern xdata UINT16 DelayTimer;
extern xdata BYTE ClkIdx;

#endif