/**
* @brief USBH_CDC_InterfaceInit
* The function init the CDC class.
* @param phost: Host handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_CDC_InterfaceInit (USBH_HandleTypeDef *phost)
{
USBH_StatusTypeDef status = USBH_FAIL ;
uint8_t interface;
CDC_HandleTypeDef *CDC_Handle;
interface = USBH_FindInterface(phost,
COMMUNICATION_INTERFACE_CLASS_CODE,
ABSTRACT_CONTROL_MODEL,
COMMON_AT_COMMAND);
if(interface == 0xFF) /* No Valid Interface */
{
USBH_DbgLog ("Cannot Find the interface for Communication Interface Class.", phost->pActiveClass->Name);
}
else
{
USBH_SelectInterface (phost, interface);
phost->pActiveClass->pData = (CDC_HandleTypeDef *)USBH_malloc (sizeof(CDC_HandleTypeDef));
CDC_Handle = (CDC_HandleTypeDef*) phost->pActiveClass->pData;
/*Collect the notification endpoint address and length*/
if(phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].bEndpointAddress & 0x80)
{
CDC_Handle->CommItf.NotifEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].bEndpointAddress;
CDC_Handle->CommItf.NotifEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].wMaxPacketSize;
}
/*Allocate the length for host channel number in*/
CDC_Handle->CommItf.NotifPipe = USBH_AllocPipe(phost, CDC_Handle->CommItf.NotifEp);
/* Open pipe for Notification endpoint */
USBH_OpenPipe (phost,
CDC_Handle->CommItf.NotifPipe,
CDC_Handle->CommItf.NotifEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_INTR,
CDC_Handle->CommItf.NotifEpSize);
USBH_LL_SetToggle (phost, CDC_Handle->CommItf.NotifPipe, 0);
interface = USBH_FindInterface(phost,
DATA_INTERFACE_CLASS_CODE,
RESERVED,
NO_CLASS_SPECIFIC_PROTOCOL_CODE);
if(interface == 0xFF) /* No Valid Interface */
{
USBH_DbgLog ("Cannot Find the interface for Data Interface Class.", phost->pActiveClass->Name);
}
else
{
/*Collect the class specific endpoint address and length*/
if(phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].bEndpointAddress & 0x80)
{
CDC_Handle->DataItf.InEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].bEndpointAddress;
CDC_Handle->DataItf.InEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].wMaxPacketSize;
}
else
{
CDC_Handle->DataItf.OutEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].bEndpointAddress;
CDC_Handle->DataItf.OutEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[0].wMaxPacketSize;
}
if(phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[1].bEndpointAddress & 0x80)
{
CDC_Handle->DataItf.InEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[1].bEndpointAddress;
CDC_Handle->DataItf.InEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[1].wMaxPacketSize;
}
else
{
CDC_Handle->DataItf.OutEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[1].bEndpointAddress;
CDC_Handle->DataItf.OutEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[1].wMaxPacketSize;
}
/*Allocate the length for host channel number out*/
CDC_Handle->DataItf.OutPipe = USBH_AllocPipe(phost, CDC_Handle->DataItf.OutEp);
/*Allocate the length for host channel number in*/
CDC_Handle->DataItf.InPipe = USBH_AllocPipe(phost, CDC_Handle->DataItf.InEp);
/* Open channel for OUT endpoint */
USBH_OpenPipe (phost,
CDC_Handle->DataItf.OutPipe,
CDC_Handle->DataItf.OutEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_BULK,
CDC_Handle->DataItf.OutEpSize);
/* Open channel for IN endpoint */
USBH_OpenPipe (phost,
CDC_Handle->DataItf.InPipe,
CDC_Handle->DataItf.InEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_BULK,
CDC_Handle->DataItf.InEpSize);
CDC_Handle->state = CDC_IDLE_STATE;
USBH_LL_SetToggle (phost, CDC_Handle->DataItf.OutPipe,0);
USBH_LL_SetToggle (phost, CDC_Handle->DataItf.InPipe,0);
status = USBH_OK;
}
}
return status;
}
/**
* @brief USBH_HID_InterfaceInit
* The function init the HID class.
* @param phost: Host handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_HID_InterfaceInit (USBH_HandleTypeDef *phost)
{
uint8_t max_ep;
uint8_t num = 0;
uint8_t interface;
USBH_StatusTypeDef status = USBH_FAIL ;
HID_HandleTypeDef *HID_Handle;
interface = USBH_FindInterface(phost, phost->pActiveClass->ClassCode, HID_BOOT_CODE, 0xFF);
if(interface == 0xFF) /* No Valid Interface */
{
status = USBH_FAIL;
USBH_DbgLog ("Cannot Find the interface for %s class.", phost->pActiveClass->Name);
}
else
{
USBH_SelectInterface (phost, interface);
phost->pActiveClass->pData = (HID_HandleTypeDef *)USBH_malloc (sizeof(HID_HandleTypeDef));
HID_Handle = (HID_HandleTypeDef *) phost->pActiveClass->pData;
HID_Handle->state = HID_ERROR;
/*Decode Bootclass Protocol: Mouse or Keyboard*/
if(phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].bInterfaceProtocol == HID_KEYBRD_BOOT_CODE)
{
USBH_UsrLog ("KeyBoard device found!");
HID_Handle->Init = USBH_HID_KeybdInit;
}
else if(phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].bInterfaceProtocol == HID_MOUSE_BOOT_CODE)
{
USBH_UsrLog ("Mouse device found!");
HID_Handle->Init = USBH_HID_MouseInit;
}
else
{
USBH_UsrLog ("Protocol not supported.");
return USBH_FAIL;
}
HID_Handle->state = HID_INIT;
HID_Handle->ctl_state = HID_REQ_INIT;
HID_Handle->ep_addr = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].bEndpointAddress;
HID_Handle->length = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].wMaxPacketSize;
HID_Handle->poll = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].bInterval ;
if (HID_Handle->poll < HID_MIN_POLL)
{
HID_Handle->poll = HID_MIN_POLL;
}
/* Check fo available number of endpoints */
/* Find the number of EPs in the Interface Descriptor */
/* Choose the lower number in order not to overrun the buffer allocated */
max_ep = ( (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].bNumEndpoints <= USBH_MAX_NUM_ENDPOINTS) ?
phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].bNumEndpoints :
USBH_MAX_NUM_ENDPOINTS);
/* Decode endpoint IN and OUT address from interface descriptor */
for ( ;num < max_ep; num++)
{
if(phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[num].bEndpointAddress & 0x80)
{
HID_Handle->InEp = (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[num].bEndpointAddress);
HID_Handle->InPipe =\
USBH_AllocPipe(phost, HID_Handle->InEp);
/* Open pipe for IN endpoint */
USBH_OpenPipe (phost,
HID_Handle->InPipe,
HID_Handle->InEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_INTR,
HID_Handle->length);
USBH_LL_SetToggle (phost, HID_Handle->InPipe, 0);
}
else
{
HID_Handle->OutEp = (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[num].bEndpointAddress);
HID_Handle->OutPipe =\
USBH_AllocPipe(phost, HID_Handle->OutEp);
/* Open pipe for OUT endpoint */
USBH_OpenPipe (phost,
HID_Handle->OutPipe,
HID_Handle->OutEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_INTR,
HID_Handle->length);
USBH_LL_SetToggle (phost, HID_Handle->OutPipe, 0);
}
}
status = USBH_OK;
}
return status;
}
/**
* @brief USBH_MTP_InterfaceInit
* The function init the MTP class.
* @param phost: Host handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_MTP_InterfaceInit (USBH_HandleTypeDef *phost)
{
USBH_StatusTypeDef status = USBH_OK ;
uint8_t interface, endpoint;
MTP_HandleTypeDef *MTP_Handle;
interface = USBH_FindInterface(phost,
USB_MTP_CLASS,
1,
1);
if(interface == 0xFF) /* No Valid Interface */
{
status = USBH_FAIL;
USBH_DbgLog ("Cannot Find the interface for Still Image Class.");
}
else
{
USBH_SelectInterface (phost, interface);
endpoint = MTP_FindCtlEndpoint(phost);
phost->pActiveClass->pData = (MTP_HandleTypeDef *)USBH_malloc (sizeof(MTP_HandleTypeDef));
MTP_Handle = phost->pActiveClass->pData;
if( MTP_Handle == NULL)
{
status = USBH_FAIL;
USBH_DbgLog ("Cannot allocate RAM for MTP Handle");
}
/*Collect the control endpoint address and length*/
MTP_Handle->NotificationEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].bEndpointAddress;
MTP_Handle->NotificationEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].wMaxPacketSize;
MTP_Handle->NotificationPipe = USBH_AllocPipe(phost, MTP_Handle->NotificationEp);
MTP_Handle->events.poll = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].bInterval;
/* Open pipe for Notification endpoint */
USBH_OpenPipe (phost,
MTP_Handle->NotificationPipe,
MTP_Handle->NotificationEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_INTR,
MTP_Handle->NotificationEpSize);
USBH_LL_SetToggle (phost, MTP_Handle->NotificationPipe, 0);
endpoint = MTP_FindDataInEndpoint(phost);
/*Collect the control endpoint address and length*/
MTP_Handle->DataInEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].bEndpointAddress;
MTP_Handle->DataInEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].wMaxPacketSize;
MTP_Handle->DataInPipe = USBH_AllocPipe(phost, MTP_Handle->DataInEp);
/* Open pipe for DATA IN endpoint */
USBH_OpenPipe (phost,
MTP_Handle->DataInPipe,
MTP_Handle->DataInEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_BULK,
MTP_Handle->DataInEpSize);
USBH_LL_SetToggle (phost, MTP_Handle->DataInPipe, 0);
endpoint = MTP_FindDataOutEndpoint(phost);
/*Collect the DATA OUT endpoint address and length*/
MTP_Handle->DataOutEp = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].bEndpointAddress;
MTP_Handle->DataOutEpSize = phost->device.CfgDesc.Itf_Desc[interface].Ep_Desc[endpoint].wMaxPacketSize;
MTP_Handle->DataOutPipe = USBH_AllocPipe(phost, MTP_Handle->DataOutEp);
/* Open pipe for DATA OUT endpoint */
USBH_OpenPipe (phost,
MTP_Handle->DataOutPipe,
MTP_Handle->DataOutEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_BULK,
MTP_Handle->DataOutEpSize);
USBH_LL_SetToggle (phost, MTP_Handle->DataOutPipe, 0);
MTP_Handle->state = MTP_OPENSESSION;
MTP_Handle->is_ready = 0;
MTP_Handle->events.state = MTP_EVENTS_INIT;
return USBH_PTP_Init(phost);
}
return status;
}
/**
* @brief USBH_MSC_BOT_Process
* The function handle the BOT protocol.
* @param phost: Host handle
* @param lun: Logical Unit Number
* @retval USBH Status
*/
USBH_StatusTypeDef USBH_MSC_BOT_Process (USBH_HandleTypeDef *phost, uint8_t lun)
{
USBH_StatusTypeDef status = USBH_BUSY;
USBH_StatusTypeDef error = USBH_BUSY;
BOT_CSWStatusTypeDef CSW_Status = BOT_CSW_CMD_FAILED;
USBH_URBStateTypeDef URB_Status = USBH_URB_IDLE;
MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) phost->pActiveClass->pData;
uint8_t toggle = 0;
switch (MSC_Handle->hbot.state)
{
case BOT_SEND_CBW:
MSC_Handle->hbot.cbw.field.LUN = lun;
MSC_Handle->hbot.state = BOT_SEND_CBW_WAIT;
USBH_BulkSendData (phost,
MSC_Handle->hbot.cbw.data,
BOT_CBW_LENGTH,
MSC_Handle->OutPipe,
1);
break;
case BOT_SEND_CBW_WAIT:
URB_Status = USBH_LL_GetURBState(phost, MSC_Handle->OutPipe);
if(URB_Status == USBH_URB_DONE)
{
if ( MSC_Handle->hbot.cbw.field.DataTransferLength != 0 )
{
/* If there is Data Transfer Stage */
if (((MSC_Handle->hbot.cbw.field.Flags) & USB_REQ_DIR_MASK) == USB_D2H)
{
/* Data Direction is IN */
MSC_Handle->hbot.state = BOT_DATA_IN;
}
else
{
/* Data Direction is OUT */
MSC_Handle->hbot.state = BOT_DATA_OUT;
}
}
else
{/* If there is NO Data Transfer Stage */
MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_NOTREADY)
{
/* Re-send CBW */
MSC_Handle->hbot.state = BOT_SEND_CBW;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_STALL)
{
MSC_Handle->hbot.state = BOT_ERROR_OUT;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
break;
case BOT_DATA_IN:
/* Send first packet */
USBH_BulkReceiveData (phost,
MSC_Handle->hbot.pbuf,
MSC_Handle->InEpSize ,
MSC_Handle->InPipe);
MSC_Handle->hbot.state = BOT_DATA_IN_WAIT;
break;
case BOT_DATA_IN_WAIT:
URB_Status = USBH_LL_GetURBState(phost, MSC_Handle->InPipe);
if(URB_Status == USBH_URB_DONE)
{
/* Adjust Data pointer and data length */
if(MSC_Handle->hbot.cbw.field.DataTransferLength > MSC_Handle->InEpSize)
{
MSC_Handle->hbot.pbuf += MSC_Handle->InEpSize;
MSC_Handle->hbot.cbw.field.DataTransferLength -= MSC_Handle->InEpSize;
}
else
{
MSC_Handle->hbot.cbw.field.DataTransferLength = 0;
}
/* More Data To be Received */
if(MSC_Handle->hbot.cbw.field.DataTransferLength > 0)
{
/* Send next packet */
USBH_BulkReceiveData (phost,
MSC_Handle->hbot.pbuf,
MSC_Handle->InEpSize ,
MSC_Handle->InPipe);
}
else
{
/* If value was 0, and successful transfer, then change the state */
MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
}
else if(URB_Status == USBH_URB_STALL)
{
/* This is Data IN Stage STALL Condition */
MSC_Handle->hbot.state = BOT_ERROR_IN;
/* Refer to USB Mass-Storage Class : BOT (www.usb.org)
6.7.2 Host expects to receive data from the device
3. On a STALL condition receiving data, then:
The host shall accept the data received.
The host shall clear the Bulk-In pipe.
4. The host shall attempt to receive a CSW.*/
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
break;
case BOT_DATA_OUT:
USBH_BulkSendData (phost,
MSC_Handle->hbot.pbuf,
MSC_Handle->OutEpSize ,
MSC_Handle->OutPipe,
1);
MSC_Handle->hbot.state = BOT_DATA_OUT_WAIT;
break;
case BOT_DATA_OUT_WAIT:
URB_Status = USBH_LL_GetURBState(phost, MSC_Handle->OutPipe);
if(URB_Status == USBH_URB_DONE)
{
/* Adjust Data pointer and data length */
if(MSC_Handle->hbot.cbw.field.DataTransferLength > MSC_Handle->OutEpSize)
{
MSC_Handle->hbot.pbuf += MSC_Handle->OutEpSize;
MSC_Handle->hbot.cbw.field.DataTransferLength -= MSC_Handle->OutEpSize;
}
else
{
MSC_Handle->hbot.cbw.field.DataTransferLength = 0;
}
/* More Data To be Sent */
if(MSC_Handle->hbot.cbw.field.DataTransferLength > 0)
{
USBH_BulkSendData (phost,
MSC_Handle->hbot.pbuf,
MSC_Handle->OutEpSize ,
MSC_Handle->OutPipe,
1);
}
else
{
/* If value was 0, and successful transfer, then change the state */
MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_NOTREADY)
{
/* Resend same data */
MSC_Handle->hbot.state = BOT_DATA_OUT;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_STALL)
{
MSC_Handle->hbot.state = BOT_ERROR_OUT;
/* Refer to USB Mass-Storage Class : BOT (www.usb.org)
6.7.3 Ho - Host expects to send data to the device
3. On a STALL condition sending data, then:
" The host shall clear the Bulk-Out pipe.
4. The host shall attempt to receive a CSW.
*/
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
break;
case BOT_RECEIVE_CSW:
USBH_BulkReceiveData (phost,
MSC_Handle->hbot.csw.data,
BOT_CSW_LENGTH ,
MSC_Handle->InPipe);
MSC_Handle->hbot.state = BOT_RECEIVE_CSW_WAIT;
break;
case BOT_RECEIVE_CSW_WAIT:
URB_Status = USBH_LL_GetURBState(phost, MSC_Handle->InPipe);
/* Decode CSW */
if(URB_Status == USBH_URB_DONE)
{
MSC_Handle->hbot.state = BOT_SEND_CBW;
MSC_Handle->hbot.cmd_state = BOT_CMD_SEND;
CSW_Status = USBH_MSC_DecodeCSW(phost);
if(CSW_Status == BOT_CSW_CMD_PASSED)
{
status = USBH_OK;
}
else
{
status = USBH_FAIL;
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_STALL)
{
MSC_Handle->hbot.state = BOT_ERROR_IN;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
break;
case BOT_ERROR_IN:
error = USBH_MSC_BOT_Abort(phost, lun, BOT_DIR_IN);
if (error == USBH_OK)
{
MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
}
else if (error == USBH_UNRECOVERED_ERROR)
{
/* This means that there is a STALL Error limit, Do Reset Recovery */
MSC_Handle->hbot.state = BOT_UNRECOVERED_ERROR;
}
break;
case BOT_ERROR_OUT:
error = USBH_MSC_BOT_Abort(phost, lun, BOT_DIR_OUT);
if ( error == USBH_OK)
{
toggle = USBH_LL_GetToggle(phost, MSC_Handle->OutPipe);
USBH_LL_SetToggle(phost, MSC_Handle->OutPipe, 1- toggle);
USBH_LL_SetToggle(phost, MSC_Handle->InPipe, 0);
MSC_Handle->hbot.state = BOT_ERROR_IN;
}
else if (error == USBH_UNRECOVERED_ERROR)
{
MSC_Handle->hbot.state = BOT_UNRECOVERED_ERROR;
}
break;
case BOT_UNRECOVERED_ERROR:
status = USBH_MSC_BOT_REQ_Reset(phost);
if ( status == USBH_OK)
{
MSC_Handle->hbot.state = BOT_SEND_CBW;
}
break;
default:
break;
}
return status;
}
/**
* @brief USBH_MSC_InterfaceInit
* The function init the MSC class.
* @param phost: Host handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_MSC_InterfaceInit (USBH_HandleTypeDef *phost)
{
uint8_t interface = 0;
USBH_StatusTypeDef status = USBH_FAIL ;
MSC_HandleTypeDef *MSC_Handle;
interface = USBH_FindInterface(phost, phost->pActiveClass->ClassCode, MSC_TRANSPARENT, MSC_BOT);
if(interface == 0xFF) /* Not Valid Interface */
{
USBH_DbgLog ("Cannot Find the interface for %s class.", phost->pActiveClass->Name);
status = USBH_FAIL;
}
else
{
USBH_SelectInterface (phost, interface);
phost->pActiveClass->pData = (MSC_HandleTypeDef *)USBH_malloc (sizeof(MSC_HandleTypeDef));
MSC_Handle = (MSC_HandleTypeDef *) phost->pActiveClass->pData;
if(phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].bEndpointAddress & 0x80)
{
MSC_Handle->InEp = (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].bEndpointAddress);
MSC_Handle->InEpSize = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].wMaxPacketSize;
}
else
{
MSC_Handle->OutEp = (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].bEndpointAddress);
MSC_Handle->OutEpSize = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].wMaxPacketSize;
}
if(phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[1].bEndpointAddress & 0x80)
{
MSC_Handle->InEp = (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[1].bEndpointAddress);
MSC_Handle->InEpSize = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[1].wMaxPacketSize;
}
else
{
MSC_Handle->OutEp = (phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[1].bEndpointAddress);
MSC_Handle->OutEpSize = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[1].wMaxPacketSize;
}
MSC_Handle->current_lun = 0;
MSC_Handle->rw_lun = 0;
MSC_Handle->state = MSC_INIT;
MSC_Handle->error = MSC_OK;
MSC_Handle->req_state = MSC_REQ_IDLE;
MSC_Handle->OutPipe = USBH_AllocPipe(phost, MSC_Handle->OutEp);
MSC_Handle->InPipe = USBH_AllocPipe(phost, MSC_Handle->InEp);
USBH_MSC_BOT_Init(phost);
/* De-Initialize LUNs information */
USBH_memset(MSC_Handle->unit, 0, sizeof(MSC_Handle->unit));
/* Open the new channels */
USBH_OpenPipe (phost,
MSC_Handle->OutPipe,
MSC_Handle->OutEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_BULK,
MSC_Handle->OutEpSize);
USBH_OpenPipe (phost,
MSC_Handle->InPipe,
MSC_Handle->InEp,
phost->device.address,
phost->device.speed,
USB_EP_TYPE_BULK,
MSC_Handle->InEpSize);
USBH_LL_SetToggle (phost, MSC_Handle->InPipe,0);
USBH_LL_SetToggle (phost, MSC_Handle->OutPipe,0);
status = USBH_OK;
}
return status;
}
