/*FUNCTION*-------------------------------------------------------------
*
* Function Name : _usb_device_shutdown
* Returned Value : USB_OK or error code
* Comments :
* Shutdown an initialized USB device
*
*END*-----------------------------------------------------------------*/
void _usb_device_shutdown(_usb_device_handle handle)
{ /* Body */
USB_DEV_STATE_STRUCT_PTR usb_dev_ptr;
SERVICE_STRUCT_PTR service_ptr;
int ep;
ARC_DEBUG_TRACE(ARC_DEBUG_FLAG_CTRL, "shutdown\n");
usb_dev_ptr = (USB_DEV_STATE_STRUCT_PTR)handle;
for(ep=0; ep<(usb_dev_ptr->MAX_ENDPOINTS); ep++)
{
/* Cancel all transfers on all endpoints */
while(_usb_device_get_transfer_status(handle, ep, ARC_USB_RECV) !=
ARC_USB_STATUS_IDLE)
{
_usb_device_cancel_transfer(handle, ep, ARC_USB_RECV);
}
while(_usb_device_get_transfer_status(handle, ep, ARC_USB_SEND) !=
ARC_USB_STATUS_IDLE)
{
_usb_device_cancel_transfer(handle, ep, ARC_USB_SEND);
}
}
_usb_dci_vusb20_shutdown(usb_dev_ptr);
/* Free all the Callback function structure memory */
for( service_ptr = usb_dev_ptr->SERVICE_HEAD_PTR; service_ptr;
service_ptr = service_ptr->NEXT)
{
USB_printf("_usb_device_shutdown: free service_ptr = 0x%x\n",
service_ptr);
USB_memfree(service_ptr);
}
usb_dev_ptr->SERVICE_HEAD_PTR = NULL;
_usb_device_cleanup(usb_dev_ptr);
} /* EndBody */
/**************************************************************************//*!
*
* @name msc_write_command
*
* @brief command requests that the Device write the data transferred by the
* Host Computer to the medium.
*
* @param controller_ID: To identify the controller
* @param cbw_ptr : pointer to Command Block Wrapper sent by host
* @param csw_residue_ptr: pointer to dCSWDataResidue of Command Status Wrapper
* @param csw_status_ptr : pointer to bCSWStatus of Command Status Wrapper
*
* @return error
*
*****************************************************************************/
uint_8 msc_write_command
(
uint_8 controller_ID,
PTR_CBW cbw_ptr,
uint_32* csw_residue_ptr,
uint_8* csw_status_ptr
)
{
uint_32 lba = 0;
uint_32 num_lba_rx = 0;
uint_8 error = USBERR_RX_FAILED;
/* initialize sense code values */
g_msc_scsi.request_sense.sense_key = NO_SENSE;
g_msc_scsi.request_sense.add_sense_code = NO_SENSE;
g_msc_scsi.request_sense.add_sense_code_qual = NO_SENSE;
lba = ((uint_32)cbw_ptr->command_block[2] << 24);
lba |= ((uint_32)cbw_ptr->command_block[3] << 16);
lba |= ((uint_32)cbw_ptr->command_block[4] << 8);
lba |= ((uint_32)cbw_ptr->command_block[5]);
if(cbw_ptr->command_block[0] == WRITE_10_COMMAND)
{
num_lba_rx = (uint_16)((uint_16)cbw_ptr->command_block[7] << 8);
num_lba_rx |= (uint_16)cbw_ptr->command_block[8];
}
else if(cbw_ptr->command_block[0] == WRITE_12_COMMAND)
{
num_lba_rx = ((uint_32)cbw_ptr->command_block[6] << 24);
num_lba_rx |= ((uint_32)cbw_ptr->command_block[7] << 16);
num_lba_rx |= ((uint_32)cbw_ptr->command_block[8] << 8);
num_lba_rx |= ((uint_32)cbw_ptr->command_block[9]);
}
g_msc_scsi.thirteen_case_struct.controller_ID = controller_ID;
g_msc_scsi.thirteen_case_struct.host_expected_data_len = cbw_ptr->data_length;
g_msc_scsi.thirteen_case_struct.host_expected_direction =
(uint_8)(cbw_ptr->flag >> USB_CBW_DIRECTION_SHIFT);
g_msc_scsi.thirteen_case_struct.device_expected_direction = USB_RECV;
g_msc_scsi.thirteen_case_struct.csw_status_ptr = csw_status_ptr;
g_msc_scsi.thirteen_case_struct.csw_residue_ptr = csw_residue_ptr;
g_msc_scsi.thirteen_case_struct.buffer_ptr = NULL;
if(_usb_device_get_transfer_status(&controller_ID,
BULK_OUT_ENDPOINT, USB_RECV) != USB_STATUS_IDLE)
{
(void)_usb_device_cancel_transfer(&controller_ID,BULK_OUT_ENDPOINT,
USB_RECV);
}
g_msc_scsi.thirteen_case_struct.device_expected_data_len =
g_msc_scsi.device_info.length_of_each_lba_of_device * num_lba_rx;
g_msc_scsi.thirteen_case_struct.lba_txrx_select = TRUE;
g_msc_scsi.thirteen_case_struct.lba_info.starting_lba = lba;
g_msc_scsi.thirteen_case_struct.lba_info.lba_transfer_num = num_lba_rx;
error = msc_thirteen_cases_check(&(g_msc_scsi.thirteen_case_struct));
return error;
}
