📄 ufi.c

📁 sl811 c8051F驱动程序保证绝对可以使用 USB通信协议USB1.1
💻 C
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//************************************************************************
//author:dragon
//web:8dragon.com
//2004.2.5完成于桃龙源
//*************************************************************************
#include <c8051F020.h>
#include "host_811.h"
#include "ufi.h"
#include <stdio.h>
BLOCK  idata BlockCommand;
extern idata USBDEV uDev;
extern BYTE bBUF[256];
//*********************************************************************
//*底层的批量传输函数
//*********************************************************************
BYTE BulkOut(BYTE *pbBuffer,UINT len,UINT lba)
{
	WORD j;
	
	////////////////////////////////////////////////////////////////////////
	lba = lba;
	while(len>0)
	{
		if (len >64)
			j = 64;
		else				
			j= len;
		if(!usbXfer(0x01,uDev.bEpOut,PID_OUT,64,j,pbBuffer)) 
			return FALSE;
		len-=j;
		pbBuffer=pbBuffer+j;
	}

	return TRUE;
}
BYTE BulkIn(BYTE *pbBuffer,UINT len)
{
	BYTE i;
	////////////////////////////////////////////////////////////////////////
	if(len)
	{
		i=2;
		while(!usbXfer(0x01,uDev.bEpin,PID_IN,64,len,pbBuffer))
		{
			 i--;
		 }
		if(i<=0)
		  return FALSE;
	}
	return TRUE;
}
//**********************************************************************
//获取U盘的硬件信息
//**********************************************************************
BYTE Inquiry(void)
{
	BlockCommand.CbwBlock.dCBW_Signature=CBW_SIGNATURE;
	BlockCommand.CbwBlock.dCBW_Tag=0x60a624de;
	BlockCommand.CbwBlock.dCBW_DataXferLen=0x24000000;
	BlockCommand.CbwBlock.bCBW_Flag=0x80;
	BlockCommand.CbwBlock.bCBW_LUN=0;
	BlockCommand.CbwBlock.bCBW_CDBLen=sizeof(INQUIRY);
	//-----------------------------------------------------------------
	//包含在CBWCB中的Inquiry命令
	//------------------------------------------------------------------
	BlockCommand.CbwBlock.CBWCommand.Ufi_Inquiry.OperationCode=UFI_CMD_INQUIRY;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Inquiry.Reserved0=0;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Inquiry.PageCode=0;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Inquiry.AllocationLen=0x24;
	DelayMs(20);
	if(!BulkOut((BYTE *)&BlockCommand.CbwBlock,sizeof(BlockCommand.CbwBlock),TRUE))
		return FALSE;	
	DelayMs(20);
	if(!BulkIn(bBUF,38))
		return FALSE;
	if(!BulkIn((BYTE *)&BlockCommand.CswBlock,13))
		return FALSE;
	return TRUE;	
}
//**********************************************************************
//测试U盘是否可用www.8dragon.com
//**********************************************************************
BYTE TestUnit(void)
{
	BlockCommand.CbwBlock.dCBW_Signature=CBW_SIGNATURE;
	BlockCommand.CbwBlock.dCBW_Tag=0x60a624de;
	BlockCommand.CbwBlock.dCBW_DataXferLen=0x00000000;
	BlockCommand.CbwBlock.bCBW_Flag=0x00;
	BlockCommand.CbwBlock.bCBW_LUN=0;
	BlockCommand.CbwBlock.bCBW_CDBLen=sizeof(TEST_UNIT);
	//-----------------------------------------------------------------
	//包含在CBWCB中的TestUnit命令
	//------------------------------------------------------------------
	BlockCommand.CbwBlock.CBWCommand.Ufi_TestUnit.OperationCode=UFI_CMD_TESTUNITREADY;
	DelayMs(70);
	if(!BulkOut((BYTE *)&BlockCommand.CbwBlock,sizeof(BlockCommand.CbwBlock),TRUE))
		return FALSE;
	DelayMs(150);
	if(!BulkIn((BYTE *)&BlockCommand.CswBlock,13))
		return FALSE;
	return TRUE;
}
//**********************************************************************
//让U盘传回必要数据
//**********************************************************************
BYTE RequestSense(void)
{
	BlockCommand.CbwBlock.dCBW_Signature=CBW_SIGNATURE;
	BlockCommand.CbwBlock.dCBW_Tag=0x60a624de;
	BlockCommand.CbwBlock.dCBW_DataXferLen=0x0e000000;
	BlockCommand.CbwBlock.bCBW_Flag=0x80;
	BlockCommand.CbwBlock.bCBW_LUN=0;
	BlockCommand.CbwBlock.bCBW_CDBLen=sizeof(REQUEST_SENSE);
	//-----------------------------------------------------------------
	//包含在CBWCB中的RSEQUESTSENS命令
	//------------------------------------------------------------------	
	BlockCommand.CbwBlock.CBWCommand.Ufi_RequestSense.OperationCode=UFI_CMD_REQUESTSENSE;
	BlockCommand.CbwBlock.CBWCommand.Ufi_RequestSense.AllocationLen=0x0e;
	DelayMs(45);
	if(!BulkOut((BYTE *)&BlockCommand.CbwBlock,sizeof(BlockCommand.CbwBlock),0))
		return FALSE;
	DelayMs(45);
	if(!BulkIn((BYTE *)bBUF,18))
		return FALSE;
	DelayMs(45);
	if(!BulkIn((BYTE *)&BlockCommand.CswBlock,13))
		return FALSE;
	return TRUE;	
}
//**********************************************************************
//读取已格U盘的容量
//**********************************************************************
BYTE ReadCapacity(void)
{
	BlockCommand.CbwBlock.dCBW_Signature=CBW_SIGNATURE;
	BlockCommand.CbwBlock.dCBW_Tag=0x60a624de;
	BlockCommand.CbwBlock.dCBW_DataXferLen=0x08000000;
	BlockCommand.CbwBlock.bCBW_Flag=0x80;
	BlockCommand.CbwBlock.bCBW_LUN=0;	
	//BlockCommand.CbwBlock.CBW_CDBLen=sizeof(READ_CAPACITY);
	BlockCommand.CbwBlock.bCBW_CDBLen=sizeof(READ_CAPACITY);
	//-----------------------------------------------------------------
	//包含在CBWCB中的READCAPACITY命令
	//------------------------------------------------------------------	
	BlockCommand.CbwBlock.CBWCommand.Ufi_ReadCapacity.OperationCode=UFI_CMD_READCAPACITY;
	DelayMs(45);
	if(!BulkOut((BYTE *)&BlockCommand.CbwBlock,sizeof(BlockCommand.CbwBlock),0))
		return FALSE;
	DelayMs(45);
	if(!BulkIn((BYTE *)bBUF,8))
		return FALSE;
	DelayMs(45);
	if(!BulkIn((BYTE *)&BlockCommand.CswBlock,13))
		return FALSE;	
	return TRUE;
}
//**********************************************************************
//读取U盘中的数据
//**********************************************************************
BYTE Read(DWORD dlba,BYTE blen,BYTE *pbBuffer)
{	BYTE i;
	////////////////////////////////////////////////////////////////////////
	BlockCommand.CbwBlock.dCBW_Signature=CBW_SIGNATURE;
	BlockCommand.CbwBlock.dCBW_Tag=0x60a624de;
	BlockCommand.CbwBlock.dCBW_DataXferLen=DWordSwap(blen*512);
	BlockCommand.CbwBlock.bCBW_Flag=0x80;
	BlockCommand.CbwBlock.bCBW_LUN=0;
	BlockCommand.CbwBlock.bCBW_CDBLen=sizeof(READ);
	//-----------------------------------------------------------------
	//包含在CBWCB中的READ命令
	//------------------------------------------------------------------
	BlockCommand.CbwBlock.CBWCommand.Ufi_Read.OperationCode=UFI_CMD_READ;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Read.Reserved1=0;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Read.LBA=dlba;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Read.ReadLength=blen;
	DelayMs(100);
	if(!BulkOut((BYTE *)&BlockCommand.CbwBlock,sizeof(BlockCommand.CbwBlock),0))
		return FALSE;
	i=100;
	while(i--)
	{
		DelayMs(1);
		if(BulkIn(pbBuffer,blen*512))
			break;
	}	
	if(i==0)
		return FALSE;
	DelayMs(2);
	if(!BulkIn((BYTE *)&BlockCommand.CswBlock,13))
		return FALSE;
	return TRUE;
}
//**********************************************************************
//写数据到U盘
//**********************************************************************
BYTE Write(DWORD dlba,BYTE blen,BYTE *pbBuffer,BYTE bWaitTime)
{
	BYTE i;
	////////////////////////////////////////////////////////////////////////
	BlockCommand.CbwBlock.dCBW_Signature=CBW_SIGNATURE;
	BlockCommand.CbwBlock.dCBW_Tag=0xb4d977c1;
	BlockCommand.CbwBlock.dCBW_DataXferLen=DWordSwap(blen*512);
	BlockCommand.CbwBlock.bCBW_Flag=0x0;
	BlockCommand.CbwBlock.bCBW_LUN=0;
	BlockCommand.CbwBlock.bCBW_CDBLen=sizeof(WRITE);
	//-----------------------------------------------------------------
	//包含在CBWCB中的WRITE命令
	//------------------------------------------------------------------
	BlockCommand.CbwBlock.CBWCommand.Ufi_Write.OperationCode=UFI_CMD_WRITE;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Write.Reserved1=0;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Write.LBA=dlba;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Write.WriteLength=blen;
	BlockCommand.CbwBlock.CBWCommand.Ufi_Write.Reserved2=0;	
	if(!BulkOut((BYTE *)&BlockCommand.CbwBlock,sizeof(BlockCommand.CbwBlock),0))	
		return FALSE;
	DelayMs(bWaitTime);	
	DelayMs(200);
	if(!BulkOut(pbBuffer,512*blen,dlba))
		return FALSE;				
	i=10;
	while(i--)
	{
		if(BulkIn((BYTE *)&BlockCommand.CswBlock,13))
			break;
	}
	if(i==0)
		return FALSE;
	return TRUE;	
}
BYTE PollDisk(void)
{
	//也许需要延长一定的时间，在每个测试参数后面
//	BYTE Cache[512];
//	BYTE i;
	DelayMs(100);
	printf("hehe1");
	if(!Inquiry())
	{ printf("hehe1");
	
		return FALSE;
		}
	if(!TestUnit())
{ 	printf("hehe2");
		return FALSE; }
	if(!RequestSense())
{ 	 printf("hehe3");
		return FALSE;}
	if(!TestUnit())
 {   printf("hehe4");
		return FALSE;}
	if(!ReadCapacity())
{ 	printf("hehe5");
		return FALSE; }	
	if(!RequestSense())
{ 	printf("hehe6");
		return FALSE; }
	if(!TestUnit())
{ 	printf("hehe7");
		return FALSE; }
	if(!ReadCapacity())
{ 	 printf("hehe8");
		return FALSE; }	
	if(!TestUnit())
{ 	 printf("hehe9");
        return FALSE;  }
    if(!RequestSense())
{ 	  printf("hehe10");
		return FALSE; }
    printf("hehe11");
	return TRUE;
}
//************************************************************************
//author:dragon
//web:8dragon.com
//2004.2.5完成于桃龙源
//*************************************************************************
💿 文件大小 311 K
👤 上传用户 xieqinplay
📂 所属分类嵌入式/单片机编程
🏷️ 相关标签

#USB #c8051F #811 #1.1
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