static void CDC_ProcessReception(USBH_HandleTypeDef *phost)
{
CDC_HandleTypeDef *CDC_Handle = (CDC_HandleTypeDef*) phost->pActiveClass->pData;
USBH_URBStateTypeDef URB_Status = USBH_URB_IDLE;
uint16_t length;
switch(CDC_Handle->data_rx_state)
{
case CDC_RECEIVE_DATA:
USBH_BulkReceiveData (phost,
CDC_Handle->pRxData,
CDC_Handle->DataItf.InEpSize,
CDC_Handle->DataItf.InPipe);
CDC_Handle->data_rx_state = CDC_RECEIVE_DATA_WAIT;
break;
case CDC_RECEIVE_DATA_WAIT:
URB_Status = USBH_LL_GetURBState(phost, CDC_Handle->DataItf.InPipe);
/*Check the status done for reception*/
if(URB_Status == USBH_URB_DONE )
{
length = USBH_LL_GetLastXferSize(phost, CDC_Handle->DataItf.InPipe);
if(((CDC_Handle->RxDataLength - length) > 0) && (length > CDC_Handle->DataItf.InEpSize))
{
CDC_Handle->RxDataLength -= length ;
CDC_Handle->pRxData += length;
CDC_Handle->data_rx_state = CDC_RECEIVE_DATA;
}
else
{
CDC_Handle->data_rx_state = CDC_IDLE;
USBH_CDC_ReceiveCallback(phost);
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CLASS_EVENT, 0);
#endif
}
break;
default:
break;
}
}
static USBH_StatusTypeDef USBH_AOA_InHandle(USBH_HandleTypeDef *phost)
{
USBH_URBStateTypeDef URB_Status;
uint32_t size;
AOA_HandleTypeDef* aoa = phost->pActiveClass->pData;
switch (aoa->inState)
{
case AOA_RECV_DATA:
USBH_BulkReceiveData(phost, aoa->inbuff, USBH_AOA_DATA_SIZE,
aoa->hc_num_in);
aoa->inState = AOA_RECV_DATA_WAIT;
break;
case AOA_RECV_DATA_WAIT:
URB_Status = USBH_LL_GetURBState(phost, aoa->hc_num_in);
if (URB_Status == USBH_URB_DONE)
{
size = USBH_LL_GetLastXferSize(phost, aoa->hc_num_in);
if (size > 0) {
if (DebugConfig.print_aoa_recvdata)
{
if (printable(aoa->inbuff, size)) {
aoa->inbuff[size] = '\0';
USBH_UsrLog("AOA: in %u bytes, \"%s\"", (unsigned int)size, aoa->inbuff);
}
else {
USBH_UsrLog("AOA: in %u bytes, %s", (unsigned int)size, bytes2bin(aoa->inbuff, size));
}
}
if (aoa->recvCallback)
{
aoa->recvCallback(phost, aoa->inbuff, size);
}
aoa->inState = AOA_RECV_DATA;
}
}
break;
}
return USBH_OK;
}
/**
* @brief Handle HID Control process
* @param phost: Host handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_MTP_Events (USBH_HandleTypeDef *phost)
{
USBH_StatusTypeDef status = USBH_BUSY ;
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
switch(MTP_Handle->events.state)
{
case MTP_EVENTS_INIT:
if((phost->Timer & 1) == 0)
{
MTP_Handle->events.timer = phost->Timer;
USBH_InterruptReceiveData(phost,
(uint8_t *)&(MTP_Handle->events.container),
MTP_Handle->NotificationEpSize,
MTP_Handle->NotificationPipe);
MTP_Handle->events.state = MTP_EVENTS_GETDATA ;
}
break;
case MTP_EVENTS_GETDATA:
if(USBH_LL_GetURBState(phost , MTP_Handle->NotificationPipe) == USBH_URB_DONE)
{
MTP_DecodeEvent(phost);
}
if(( phost->Timer - MTP_Handle->events.timer) >= MTP_Handle->events.poll)
{
MTP_Handle->events.timer = phost->Timer;
USBH_InterruptReceiveData(phost,
(uint8_t *)&(MTP_Handle->events.container),
MTP_Handle->NotificationEpSize,
MTP_Handle->NotificationPipe);
}
break;
default:
break;
}
return status;
}
/**
* @brief The function is responsible for sending data to the device
* @param pdev: Selected device
* @retval None
*/
static void CDC_ProcessTransmission(USBH_HandleTypeDef *phost)
{
CDC_HandleTypeDef *CDC_Handle = (CDC_HandleTypeDef*) phost->pActiveClass->pData;
USBH_URBStateTypeDef URB_Status = USBH_URB_IDLE;
switch(CDC_Handle->data_tx_state)
{
case CDC_SEND_DATA:
if(CDC_Handle->TxDataLength > CDC_Handle->DataItf.OutEpSize)
{
USBH_BulkSendData (phost,
CDC_Handle->pTxData,
CDC_Handle->DataItf.OutEpSize,
CDC_Handle->DataItf.OutPipe,
1);
}
else
{
USBH_BulkSendData (phost,
CDC_Handle->pTxData,
CDC_Handle->TxDataLength,
CDC_Handle->DataItf.OutPipe,
1);
}
CDC_Handle->data_tx_state = CDC_SEND_DATA_WAIT;
break;
case CDC_SEND_DATA_WAIT:
URB_Status = USBH_LL_GetURBState(phost, CDC_Handle->DataItf.OutPipe);
/*Check the status done for transmission*/
if(URB_Status == USBH_URB_DONE )
{
if(CDC_Handle->TxDataLength > CDC_Handle->DataItf.OutEpSize)
{
CDC_Handle->TxDataLength -= CDC_Handle->DataItf.OutEpSize ;
CDC_Handle->pTxData += CDC_Handle->DataItf.OutEpSize;
}
else
{
CDC_Handle->TxDataLength = 0;
}
if( CDC_Handle->TxDataLength > 0)
{
CDC_Handle->data_tx_state = CDC_SEND_DATA;
}
else
{
CDC_Handle->data_tx_state = CDC_IDLE;
USBH_CDC_TransmitCallback(phost);
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CLASS_EVENT, 0);
#endif
}
else if( URB_Status == USBH_URB_NOTREADY )
{
CDC_Handle->data_tx_state = CDC_SEND_DATA;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CLASS_EVENT, 0);
#endif
}
break;
default:
break;
}
}
/**
* @brief USBH_HID_Process
* The function is for managing state machine for HID data transfers
* @param phost: Host handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_HID_Process(USBH_HandleTypeDef *phost)
{
USBH_StatusTypeDef status = USBH_OK;
HID_HandleTypeDef *HID_Handle = (HID_HandleTypeDef *) phost->pActiveClass->pData;
switch (HID_Handle->state)
{
case HID_INIT:
HID_Handle->Init(phost);
case HID_IDLE:
if(USBH_HID_GetReport (phost,
0x01,
0,
HID_Handle->pData,
HID_Handle->length) == USBH_OK)
{
fifo_write(&HID_Handle->fifo, HID_Handle->pData, HID_Handle->length);
HID_Handle->state = HID_SYNC;
}
break;
case HID_SYNC:
/* Sync with start of Even Frame */
if(phost->Timer & 1)
{
HID_Handle->state = HID_GET_DATA;
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
break;
case HID_GET_DATA:
USBH_InterruptReceiveData(phost,
HID_Handle->pData,
HID_Handle->length,
HID_Handle->InPipe);
HID_Handle->state = HID_POLL;
HID_Handle->timer = phost->Timer;
HID_Handle->DataReady = 0;
break;
case HID_POLL:
if(USBH_LL_GetURBState(phost , HID_Handle->InPipe) == USBH_URB_DONE)
{
if(HID_Handle->DataReady == 0)
{
fifo_write(&HID_Handle->fifo, HID_Handle->pData, HID_Handle->length);
HID_Handle->DataReady = 1;
USBH_HID_EventCallback(phost);
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
#endif
}
}
else if(USBH_LL_GetURBState(phost , HID_Handle->InPipe) == USBH_URB_STALL) /* IN Endpoint Stalled */
{
/* Issue Clear Feature on interrupt IN endpoint */
if(USBH_ClrFeature(phost,
HID_Handle->ep_addr) == USBH_OK)
{
/* Change state to issue next IN token */
HID_Handle->state = HID_GET_DATA;
}
}
break;
default:
break;
}
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_HandleControl
* Handles the USB control transfer state machine
* @param phost: Host Handle
* @retval USBH Status
*/
static USBH_StatusTypeDef USBH_HandleControl (USBH_HandleTypeDef *phost)
{
uint8_t direction;
USBH_StatusTypeDef status = USBH_BUSY;
USBH_URBStateTypeDef URB_Status = USBH_URB_IDLE;
switch (phost->Control.state)
{
case CTRL_SETUP:
/* send a SETUP packet */
USBH_CtlSendSetup (phost,
(uint8_t *)phost->Control.setup.d8 ,
phost->Control.pipe_out);
phost->Control.state = CTRL_SETUP_WAIT;
break;
case CTRL_SETUP_WAIT:
URB_Status = USBH_LL_GetURBState(phost, phost->Control.pipe_out);
/* case SETUP packet sent successfully */
if(URB_Status == USBH_URB_DONE)
{
direction = (phost->Control.setup.b.bmRequestType & USB_REQ_DIR_MASK);
/* check if there is a data stage */
if (phost->Control.setup.b.wLength.w != 0 )
{
if (direction == USB_D2H)
{
/* Data Direction is IN */
phost->Control.state = CTRL_DATA_IN;
}
else
{
/* Data Direction is OUT */
phost->Control.state = CTRL_DATA_OUT;
}
}
/* No DATA stage */
else
{
/* If there is No Data Transfer Stage */
if (direction == USB_D2H)
{
/* Data Direction is IN */
phost->Control.state = CTRL_STATUS_OUT;
}
else
{
/* Data Direction is OUT */
phost->Control.state = CTRL_STATUS_IN;
}
}
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_ERROR)
{
phost->Control.state = CTRL_ERROR;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
break;
case CTRL_DATA_IN:
/* Issue an IN token */
phost->Control.timer = phost->Timer;
USBH_CtlReceiveData(phost,
phost->Control.buff,
phost->Control.length,
phost->Control.pipe_in);
phost->Control.state = CTRL_DATA_IN_WAIT;
break;
case CTRL_DATA_IN_WAIT:
URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_in);
/* check is DATA packet transfered successfully */
if (URB_Status == USBH_URB_DONE)
{
phost->Control.state = CTRL_STATUS_OUT;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
/* manage error cases*/
if (URB_Status == USBH_URB_STALL)
{
/* In stall case, return to previous machine state*/
status = USBH_NOT_SUPPORTED;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if (URB_Status == USBH_URB_ERROR)
{
/* Device error */
phost->Control.state = CTRL_ERROR;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
break;
case CTRL_DATA_OUT:
USBH_CtlSendData (phost,
phost->Control.buff,
phost->Control.length ,
phost->Control.pipe_out,
1);
phost->Control.timer = phost->Timer;
phost->Control.state = CTRL_DATA_OUT_WAIT;
break;
case CTRL_DATA_OUT_WAIT:
URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_out);
if (URB_Status == USBH_URB_DONE)
{ /* If the Setup Pkt is sent successful, then change the state */
phost->Control.state = CTRL_STATUS_IN;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
/* handle error cases */
else if (URB_Status == USBH_URB_STALL)
{
/* In stall case, return to previous machine state*/
phost->Control.state = CTRL_STALLED;
status = USBH_NOT_SUPPORTED;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if (URB_Status == USBH_URB_NOTREADY)
{
/* Nack received from device */
phost->Control.state = CTRL_DATA_OUT;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if (URB_Status == USBH_URB_ERROR)
{
/* device error */
phost->Control.state = CTRL_ERROR;
status = USBH_FAIL;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
break;
case CTRL_STATUS_IN:
/* Send 0 bytes out packet */
USBH_CtlReceiveData (phost,
0,
0,
phost->Control.pipe_in);
phost->Control.timer = phost->Timer;
phost->Control.state = CTRL_STATUS_IN_WAIT;
break;
case CTRL_STATUS_IN_WAIT:
URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_in);
if ( URB_Status == USBH_URB_DONE)
{ /* Control transfers completed, Exit the State Machine */
phost->Control.state = CTRL_COMPLETE;
status = USBH_OK;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if (URB_Status == USBH_URB_ERROR)
{
phost->Control.state = CTRL_ERROR;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if(URB_Status == USBH_URB_STALL)
{
/* Control transfers completed, Exit the State Machine */
status = USBH_NOT_SUPPORTED;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
break;
case CTRL_STATUS_OUT:
USBH_CtlSendData (phost,
0,
0,
phost->Control.pipe_out,
1);
phost->Control.timer = phost->Timer;
phost->Control.state = CTRL_STATUS_OUT_WAIT;
break;
case CTRL_STATUS_OUT_WAIT:
URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_out);
if (URB_Status == USBH_URB_DONE)
{
status = USBH_OK;
phost->Control.state = CTRL_COMPLETE;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if (URB_Status == USBH_URB_NOTREADY)
{
phost->Control.state = CTRL_STATUS_OUT;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
else if (URB_Status == USBH_URB_ERROR)
{
phost->Control.state = CTRL_ERROR;
#if (USBH_USE_OS == 1)
osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
#endif
}
break;
case CTRL_ERROR:
/*
After a halt condition is encountered or an error is detected by the
host, a control endpoint is allowed to recover by accepting the next Setup
PID; i.e., recovery actions via some other pipe are not required for control
endpoints. For the Default Control Pipe, a device reset will ultimately be
required to clear the halt or error condition if the next Setup PID is not
accepted.
*/
if (++ phost->Control.errorcount <= USBH_MAX_ERROR_COUNT)
{
/* try to recover control */
USBH_LL_Stop(phost);
/* Do the transmission again, starting from SETUP Packet */
phost->Control.state = CTRL_SETUP;
phost->RequestState = CMD_SEND;
}
else
{
phost->Control.errorcount = 0;
USBH_ErrLog("Control error");
status = USBH_FAIL;
}
break;
default:
break;
}
return status;
}
static USBH_StatusTypeDef USBH_AOA_OutHandle(USBH_HandleTypeDef *phost)
{
USBH_URBStateTypeDef URB_Status;
AOA_HandleTypeDef* aoa = phost->pActiveClass->pData;
switch (aoa->outState)
{
case AOA_SEND_IDLE:
break;
case AOA_SEND_DATA:
USBH_BulkSendData(phost, aoa->outbuff, aoa->outSize,
aoa->hc_num_out, 0);
aoa->outState = AOA_SEND_DATA_WAIT;
break;
case AOA_SEND_DATA_WAIT:
URB_Status = USBH_LL_GetURBState(phost, aoa->hc_num_out);
switch (URB_Status)
{
case USBH_URB_DONE:
aoa->outbuff[aoa->outSize] = '\0';
DEBUG_LOG("AOA: out %d bytes, \"%s\"", aoa->outSize, aoa->outbuff);
if (aoa->sendDoneCallback)
{
aoa->sendDoneCallback(phost, aoa->outbuff, aoa->outSize);
}
aoa->outbuff = NULL;
aoa->outSize = 0;
aoa->outState = AOA_SEND_IDLE;
break;
case USBH_URB_NOTREADY:
DEBUG_LOG("AOA: OUT URB_NOTREADY. Retry");
aoa->outState = AOA_SEND_DATA;
break;
case USBH_URB_STALL:
// TODO These codes are not tested
/* Issue Clear Feature */
if (USBH_ClrFeature(phost, aoa->BulkOutEp) == USBH_OK)
{
aoa->outState = AOA_SEND_DATA;
DEBUG_LOG("AOA: OUT URB_STALL. Clear feature on EP. Retry.");
}
break;
case USBH_URB_ERROR:
aoa->outbuff[aoa->outSize] = '\0';
DEBUG_LOG("AOA: SEND Fail");
if (aoa->sendDoneCallback)
{
aoa->sendDoneCallback(phost, aoa->outbuff, -1);
}
aoa->outbuff = NULL;
aoa->outSize = 0;
aoa->outState = AOA_SEND_IDLE;
break;
default:
break;
}
break;
}
return USBH_OK;
}
