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minidso
2016-04-30 20:56:50 +05:00
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S100App/Src/USB_scsi.c Normal file
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/******************** (C) COPYRIGHT 2015 e-Design Co., Ltd. ********************
File Name : USB_scsi.c
Version : STM32 USB Disk Ver 3.4 Author : MCD Application Team & bure
*******************************************************************************/
#include "USB_scsi.h"
#include "USB_bot.h"
#include "USB_regs.h"
#include "usb_lib.h"
#include "Disk.h"
u8 Page00_Inquiry_Data[] ={ 0, 0, 0, 0, 0};
u8 Mode_Sense6_data[] ={0x03, 0x00, 0x00, 0x00};
u8 Mode_Sense10_data[] ={0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
u8 Scsi_Sense_Data[] ={0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
u8 ReadCapacity10_Data[] ={ 0, 0, 0, 0, 0, 0, 0, 0};
u8 ReadFormatCapacity[] ={ 0, 0, 0, 8, 0, 0, 0, 0, 2, 0, 0, 0};
#ifdef DFU_MODE
uc8 Disk_Inquiry_Str[] ={0x00, 0x80, 0x02, 0x02, 36-4, 0x00, 0x00, 0x00,
'V', 'i', 'r', 't', 'u', 'a', 'l', ' ',
'D', 'F', 'U', ' ', 'D', 'i', 's', 'k',
' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
' ', ' ', ' ', ' ', };
#else
uc8 Disk_Inquiry_Str[] ={0x00, 0x80, 0x02, 0x02, 36-4, 0x00, 0x00, 0x00,
'M', 'i', 'n', 'i', ' ', 'D', 'S', 'O',
'D', 'i', 's', 'k', ' ', ' ', ' ', ' ',
' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
' ', ' ', ' ', ' ', };
#endif
/*******************************************************************************
SCSI_Inquiry_Cmd: SCSI Inquiry Command routine.
*******************************************************************************/
void SCSI_Inquiry_Cmd(void)
{
u8* Inquiry_Data;
u16 Inquiry_Data_Length;
if (CBW.CB[1] & 0x01){ // Evpd is set
Inquiry_Data = Page00_Inquiry_Data;
Inquiry_Data_Length = 5;
} else {
Inquiry_Data = (u8*)Disk_Inquiry_Str;
if (CBW.CB[4] <= STANDARD_INQUIRY_DATA_LEN) Inquiry_Data_Length = CBW.CB[4];
else Inquiry_Data_Length = STANDARD_INQUIRY_DATA_LEN;
}
Transfer_Data_Request(Inquiry_Data, Inquiry_Data_Length);
}
/*******************************************************************************
SCSI_ReadFormatCapacity_Cmd: SCSI ReadFormatCapacity Command routine.
*******************************************************************************/
void SCSI_ReadFormatCapacity_Cmd(void)
{
ReadFormatCapacity[ 4] = (u8)(SECTOR_SIZE >> 24);
ReadFormatCapacity[ 5] = (u8)(SECTOR_SIZE >> 16);
ReadFormatCapacity[ 6] = (u8)(SECTOR_SIZE >> 8);
ReadFormatCapacity[ 7] = (u8)(SECTOR_SIZE);
ReadFormatCapacity[ 9] = (u8)(SECTOR_SIZE >> 16);
ReadFormatCapacity[10] = (u8)(SECTOR_SIZE >> 8);
ReadFormatCapacity[11] = (u8)(SECTOR_SIZE);
Transfer_Data_Request(ReadFormatCapacity, READ_FORMAT_CAPACITY_DATA_LEN);
}
/*******************************************************************************
SCSI_ReadCapacity10_Cmd: SCSI ReadCapacity10 Command routine.
*******************************************************************************/
void SCSI_ReadCapacity10_Cmd(void)
{
ReadCapacity10_Data[0] = (u8)(SECTOR_CNT - 1 >> 24);
ReadCapacity10_Data[1] = (u8)(SECTOR_CNT - 1 >> 16);
ReadCapacity10_Data[2] = (u8)(SECTOR_CNT - 1 >> 8);
ReadCapacity10_Data[3] = (u8)(SECTOR_CNT - 1);
ReadCapacity10_Data[4] = (u8)(SECTOR_SIZE >> 24);
ReadCapacity10_Data[5] = (u8)(SECTOR_SIZE >> 16);
ReadCapacity10_Data[6] = (u8)(SECTOR_SIZE >> 8);
ReadCapacity10_Data[7] = (u8)(SECTOR_SIZE);
Transfer_Data_Request(ReadCapacity10_Data, READ_CAPACITY10_DATA_LEN);
}
/*******************************************************************************
SCSI_ModeSense6_Cmd: SCSI ModeSense6 Command routine.
*******************************************************************************/
void SCSI_ModeSense6_Cmd (void)
{
Transfer_Data_Request(Mode_Sense6_data, MODE_SENSE6_DATA_LEN);
}
/*******************************************************************************
SCSI_ModeSense10_Cmd: SCSI ModeSense10 Command routine.
*******************************************************************************/
void SCSI_ModeSense10_Cmd (void)
{
Transfer_Data_Request(Mode_Sense10_data, MODE_SENSE10_DATA_LEN);
}
/*******************************************************************************
SCSI_RequestSense_Cmd: SCSI RequestSense Command routine.
*******************************************************************************/
void SCSI_RequestSense_Cmd (void)
{
u8 Request_Sense_data_Length;
if (CBW.CB[4] <= REQUEST_SENSE_DATA_LEN) Request_Sense_data_Length = CBW.CB[4];
else Request_Sense_data_Length = REQUEST_SENSE_DATA_LEN;
Transfer_Data_Request(Scsi_Sense_Data, Request_Sense_data_Length);
}
/*******************************************************************************
Set_Scsi_Sense_Data: Set Scsi Sense Data routine.
*******************************************************************************/
void Set_Scsi_Sense_Data(u8 Sens_Key, u8 Asc)
{
Scsi_Sense_Data[2] = Sens_Key;
Scsi_Sense_Data[12] = Asc;
}
/*******************************************************************************
SCSI_Start_Stop_Unit_Cmd: SCSI Start_Stop_Unit Command routine.
*******************************************************************************/
void SCSI_Start_Stop_Unit_Cmd(void)
{
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
/*******************************************************************************
SCSI_Read10_Cmd: SCSI Read10 Command routine.
*******************************************************************************/
void SCSI_Read10_Cmd(u32 LBA , u32 BlockNbr)
{
if (Bot_State == BOT_IDLE){
if (!(SCSI_Address_Management(SCSI_READ10, LBA, BlockNbr))) return;//address out of range
if ((CBW.bmFlags & 0x80) != 0){
Bot_State = BOT_DATA_IN;
Read_Memory(LBA , BlockNbr);
} else {
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_ENABLE);
}
return;
} else if (Bot_State == BOT_DATA_IN) Read_Memory(LBA , BlockNbr);
}
/*******************************************************************************
SCSI_Write10_Cmd: SCSI Write10 Command routine.
*******************************************************************************/
void SCSI_Write10_Cmd(u32 LBA , u32 BlockNbr)
{
if (Bot_State == BOT_IDLE){
if (!(SCSI_Address_Management(SCSI_WRITE10 , LBA, BlockNbr))) return;//address out of range
if ((CBW.bmFlags & 0x80) == 0){
Bot_State = BOT_DATA_OUT;
SetEPRxStatus(ENDP2, EP_RX_VALID);
} else {
Bot_Abort(DIR_IN);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
return;
} else if (Bot_State == BOT_DATA_OUT) Write_Memory(LBA , BlockNbr);
}
/*******************************************************************************
SCSI_Verify10_Cmd: SCSI Verify10 Command routine.
*******************************************************************************/
void SCSI_Verify10_Cmd(void)
{
if ((CBW.dDataLength == 0) && !(CBW.CB[1] & BLKVFY)){ // BLKVFY not set
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
} else {
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
}
/*******************************************************************************
SCSI_Valid_Cmd: Valid Commands routine.
*******************************************************************************/
void SCSI_Valid_Cmd(void)
{
if (CBW.dDataLength != 0){
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
} else Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
/*******************************************************************************
SCSI_Valid_Cmd: Valid Commands routine.
*******************************************************************************/
void SCSI_TestUnitReady_Cmd(void)
{
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
}
/*******************************************************************************
SCSI_Invalid_Cmd: Invalid Commands routine
*******************************************************************************/
void SCSI_Invalid_Cmd(void)
{
if (CBW.dDataLength == 0) Bot_Abort(DIR_IN);
else{
if ((CBW.bmFlags & 0x80) != 0) Bot_Abort(DIR_IN);
else Bot_Abort(BOTH_DIR);
}
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
/*******************************************************************************
SCSI_Address_Management: Test the received address.
Input: Cmd the command can be SCSI_READ10 or SCSI_WRITE10.
Return: Read\Write status (bool).
*******************************************************************************/
u8 SCSI_Address_Management(u8 Cmd , u32 LBA , u32 BlockNbr)
{
if ((LBA + BlockNbr) > SECTOR_CNT){
if (Cmd == SCSI_WRITE10) Bot_Abort(BOTH_DIR);
Bot_Abort(DIR_IN);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
return (FALSE);
}
if (CBW.dDataLength != BlockNbr * SECTOR_SIZE){
if (Cmd == SCSI_WRITE10) Bot_Abort(BOTH_DIR);
else Bot_Abort(DIR_IN);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
return (FALSE);
}
return (TRUE);
}
/********************************* END OF FILE ******************************/