/*******************************************************************************
* Function Name : Mass_Storage_In
* Description : Mass Storage IN transfer.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Mass_Storage_In (void)
{
switch (Bot_State)
{
case BOT_CSW_Send:
case BOT_ERROR:
Bot_State = BOT_IDLE;
SetEPRxStatus(ENDP2, EP_RX_VALID);/* enable the Endpoint to recive the next cmd*/
break;
case BOT_DATA_IN:
switch (CBW.CB[0])
{
case SCSI_READ10:
SCSI_Read10_Cmd(SCSI_LBA , SCSI_BlkLen);
break;
}
break;
case BOT_DATA_IN_LAST:
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
SetEPRxStatus(ENDP2, EP_RX_VALID);
break;
default:
break;
}
}
/*******************************************************************************
* Function Name : Mass_Storage_In
* Description : Mass Storage IN transfer.
* Input : None.
* Output : None.
* Return : None.
//设备->USB
*******************************************************************************/
void Mass_Storage_In (void)
{
USB_STATUS_REG|=0X10;//标记轮询
//printf("Bot_State_in:%d",Bot_State);
switch (Bot_State)
{
case BOT_CSW_Send:
case BOT_ERROR:
Bot_State = BOT_IDLE;
SetEPRxStatus(ENDP4, EP_RX_VALID);/* enable the Endpoint to recive the next cmd*/
break;
case BOT_DATA_IN: //USB从设备读数据
switch (CBW.CB[0])
{
case SCSI_READ10:
USB_STATUS_REG|=0X02;//标记正在读数据
SCSI_Read10_Cmd(CBW.bLUN , SCSI_LBA , SCSI_BlkLen);
break;
}
break;
case BOT_DATA_IN_LAST:
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
SetEPRxStatus(ENDP4, EP_RX_VALID);
break;
default:
break;
}
}
/*******************************************************************************
* Function Name : Mass_Storage_In
* Description : Mass Storage IN transfer.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Mass_Storage_In (void)
{
USB_STATUS_REG|=0X10;//标记轮询
switch (Bot_State)
{
case BOT_CSW_Send:
case BOT_ERROR:
Bot_State = BOT_IDLE;
SetEPRxStatus(ENDP2, EP_RX_VALID);/* enable the Endpoint to receive the next cmd*/
if (GetEPRxStatus(EP2_OUT) == EP_RX_STALL)
{
SetEPRxStatus(EP2_OUT, EP_RX_VALID);/* enable the Endpoint to receive the next cmd*/
}
break;
case BOT_DATA_IN:
switch (CBW.CB[0])
{
case SCSI_READ10:
USB_STATUS_REG|=0X02;//标记正在读数据
SCSI_Read10_Cmd(CBW.bLUN , SCSI_LBA , SCSI_BlkLen);
break;
}
break;
case BOT_DATA_IN_LAST:
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
SetEPRxStatus(ENDP2, EP_RX_VALID);
break;
default:
break;
}
}
/*******************************************************************************
* Function Name : Mass_Storage_In
* Description : Mass Storage IN transfer.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Mass_Storage_In (void)
{
switch (Bot_State)
{
case BOT_CSW_Send:
case BOT_ERROR:
Bot_State = BOT_IDLE;
#ifndef STM32F10X_CL
SetEPRxStatus(ENDP2, EP_RX_VALID);/* enable the Endpoint to receive the next cmd*/
#else
if (GetEPRxStatus(EP2_OUT) == EP_RX_STALL)
{
SetEPRxStatus(EP2_OUT, EP_RX_VALID);/* enable the Endpoint to receive the next cmd*/
}
#endif /* STM32F10X_CL */
break;
case BOT_DATA_IN:
switch (CBW.CB[0])
{
case SCSI_READ10:
//DBG("SCSI_READ10\n");
SCSI_Read10_Cmd(CBW.bLUN , SCSI_LBA , SCSI_BlkLen);
break;
}
break;
case BOT_DATA_IN_LAST:
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
#ifndef STM32F10X_CL
SetEPRxStatus(ENDP2, EP_RX_VALID);
#else
if (GetEPRxStatus(EP2_OUT) == EP_RX_STALL)
{
SetEPRxStatus(EP2_OUT, EP_RX_VALID);/* enable the Endpoint to receive the next cmd*/
}
#endif /* STM32F10X_CL */
break;
default:
break;
}
}
/*******************************************************************************
* Function Name : CBW_Decode
* Description : Decode the received CBW and call the related SCSI command
* routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void CBW_Decode(void)
{
u32 Counter;
for (Counter = 0; Counter < Data_Len; Counter++)
{
*((u8 *)&CBW + Counter) = Bulk_Data_Buff[Counter];
}
CSW.dTag = CBW.dTag;
CSW.dDataResidue = CBW.dDataLength;
if (Data_Len != BOT_CBW_PACKET_LENGTH)
{
Bot_Abort(BOTH_DIR);
/* reset the CBW.dSignature to desible the clear feature until receiving a Mass storage reset*/
CBW.dSignature = 0;
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, PARAMETER_LIST_LENGTH_ERROR);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
return;
}
if ((CBW.CB[0] == SCSI_READ10 ) || (CBW.CB[0] == SCSI_WRITE10 ))
{
/* Calculate Logical Block Address */
SCSI_LBA = (CBW.CB[2] << 24) | (CBW.CB[3] << 16) | (CBW.CB[4] << 8) | CBW.CB[5];
/* Calculate the Number of Blocks to transfer */
SCSI_BlkLen = (CBW.CB[7] << 8) | CBW.CB[8];
}
if (CBW.dSignature == BOT_CBW_SIGNATURE)
{
/* Valid CBW */
if ((CBW.bLUN > Max_Lun) || (CBW.bCBLength < 1) || (CBW.bCBLength > 16))
{
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
else
{
switch (CBW.CB[0])
{
case SCSI_REQUEST_SENSE:
SCSI_RequestSense_Cmd ();
break;
case SCSI_INQUIRY:
SCSI_Inquiry_Cmd();
break;
case SCSI_START_STOP_UNIT:
SCSI_Start_Stop_Unit_Cmd();
break;
case SCSI_ALLOW_MEDIUM_REMOVAL:
SCSI_Start_Stop_Unit_Cmd();
break;
case SCSI_MODE_SENSE6:
SCSI_ModeSense6_Cmd ();
break;
case SCSI_MODE_SENSE10:
SCSI_ModeSense10_Cmd ();
break;
case SCSI_READ_FORMAT_CAPACITIES:
SCSI_ReadFormatCapacity_Cmd();
break;
case SCSI_READ_CAPACITY10:
SCSI_ReadCapacity10_Cmd();
break;
case SCSI_TEST_UNIT_READY:
SCSI_TestUnitReady_Cmd();
break;
case SCSI_READ10:
SCSI_Read10_Cmd(SCSI_LBA , SCSI_BlkLen);
break;
case SCSI_WRITE10:
SCSI_Write10_Cmd(SCSI_LBA , SCSI_BlkLen);
break;
case SCSI_VERIFY10:
SCSI_Verify10_Cmd();
break;
case SCSI_FORMAT_UNIT:
SCSI_Format_Cmd();
break;
/*Unsupported command*/
case SCSI_MODE_SELECT10:
SCSI_Mode_Select10_Cmd();
break;
case SCSI_MODE_SELECT6:
SCSI_Mode_Select6_Cmd();
break;
case SCSI_SEND_DIAGNOSTIC:
SCSI_Send_Diagnostic_Cmd();
break;
case SCSI_READ6:
SCSI_Read6_Cmd();
break;
case SCSI_READ12:
SCSI_Read12_Cmd();
break;
case SCSI_READ16:
SCSI_Read16_Cmd();
break;
case SCSI_READ_CAPACITY16:
SCSI_READ_CAPACITY16_Cmd();
break;
case SCSI_WRITE6:
SCSI_Write6_Cmd();
break;
case SCSI_WRITE12:
SCSI_Write12_Cmd();
break;
case SCSI_WRITE16:
SCSI_Write16_Cmd();
break;
case SCSI_VERIFY12:
SCSI_Verify12_Cmd();
break;
case SCSI_VERIFY16:
SCSI_Verify16_Cmd();
break;
default:
{
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
}
}
}
else
{
/* Invalid CBW */
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_COMMAND);
Set_CSW (CSW_CMD_FAILED, SEND_CSW_DISABLE);
}
}