mass_conmmand.c

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: PORT_CTL.c
** 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:
**
********************************************************************************************************/

#include "HostStack.h"


void MCom_INQUIRY(uint8 *ComBuffPtr)
{
	INQUIRY_COMMAND *inquiry_ptr;
	
	memset( ComBuffPtr , 0x00 , 12 );				
	inquiry_ptr = (INQUIRY_COMMAND *)ComBuffPtr ;
	
	
	inquiry_ptr->OperationCode = UFI_INQUIRY;		
	inquiry_ptr->AllocationLength = 0x24 ;			
}




void MCom_Read10(uint8 *ComBuffPtr,uint32 LBA, uint16 TrBlocks)
{
	READ_10		*read10_ptr;
	memset( ComBuffPtr , 0x00 , 12 );	
	read10_ptr = (READ_10 *)ComBuffPtr ;

	
	read10_ptr->OperationCode = UFI_READ10;		 
	read10_ptr->LBA_0 = (uint8)LBA;
	read10_ptr->LBA_1 = (uint8)(LBA/0x100);
	read10_ptr->LBA_2 = (uint8)(LBA/0x10000);
	read10_ptr->LBA_3 = (uint8)(LBA/0x1000000);
	
	read10_ptr->TransferLength_0= (uint8)TrBlocks;
	read10_ptr->TransferLength_1= (uint8)(TrBlocks/0x100);
}



void MCom_ReadCapacity(uint8 *ComBuffPtr)
{
	READ_CAPACITY *read_capacity_ptr;
	memset( ComBuffPtr , 0x00 , 12 );	
	read_capacity_ptr = (READ_CAPACITY *)ComBuffPtr ;

	
	read_capacity_ptr->OperationCode = UFI_READCAPACITY;		

}




void MCom_Write10(uint8 *ComBuffPtr, uint32 LBA, uint16 TrBlocks)
{
	WRITE_10		*write10_ptr;
	memset( ComBuffPtr , 0x00 , 12 );	
	write10_ptr = (WRITE_10 *)ComBuffPtr ;
	
	
	write10_ptr->OperationCode = UFI_WRITE10;		
	write10_ptr->LBA_0 = (uint8)LBA;
	write10_ptr->LBA_1 = (uint8)(LBA/0x100);
	write10_ptr->LBA_2 = (uint8)(LBA/0x10000);
	write10_ptr->LBA_3 = (uint8)(LBA/0x1000000);
	
	write10_ptr->TransferLength_0= (uint8)TrBlocks;
	write10_ptr->TransferLength_1= (uint8)(TrBlocks/0x100);
}




void MCom_RequestSense( uint8 *ComBuffPtr )
{
	REQUEST_SENSE	*RequestSense_ptr;
	memset( ComBuffPtr , 0x00 , 12 );	
	RequestSense_ptr =(REQUEST_SENSE	*) ComBuffPtr;
	RequestSense_ptr->OperationCode = UFI_REQUESTSENSE ;
	RequestSense_ptr->AllocationLength = 18;
}