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@ -36,11 +36,12 @@
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static USBH_StatusTypeDef USBH_MSC_BOT_Abort(USBH_HandleTypeDef *phost, uint8_t lun, uint8_t dir);
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static BOT_CSWStatusTypeDef USBH_MSC_DecodeCSW(USBH_HandleTypeDef *phost);
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void USBH_MSC_BOT_Read_FreePacketCallback(DownstreamPacketTypeDef* freePacket);
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void USBH_MSC_BOT_Read_PrepareURB(USBH_HandleTypeDef *phost);
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void USBH_MSC_BOT_Write_ReceivePacketCallback(DownstreamPacketTypeDef* receivedPacket,
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void USBH_MSC_BOT_Read_Multipacket_FreePacketCallback(DownstreamPacketTypeDef* freePacket);
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void USBH_MSC_BOT_Read_Multipacket_PrepareURB(USBH_HandleTypeDef *phost);
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void USBH_MSC_BOT_Write_Multipacket_ReceivePacketCallback(DownstreamPacketTypeDef* receivedPacket,
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uint16_t dataLength);
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void USBH_MSC_BOT_Write_PrepareURB(USBH_HandleTypeDef *phost);
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void USBH_MSC_BOT_Write_Multipacket_PrepareURB(USBH_HandleTypeDef *phost);
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USBH_HandleTypeDef *Callback_MSC_phost;
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@ -175,13 +176,26 @@ USBH_StatusTypeDef USBH_MSC_BOT_Process (USBH_HandleTypeDef *phost, uint8_t lun)
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}
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break;
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case BOT_DATA_IN:
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/* Get first packet */
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Callback_MSC_phost = phost;
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case BOT_DATA_IN:
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MSC_Handle->hbot.state = BOT_DATA_IN_WAIT;
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if (Downstream_GetFreePacket(USBH_MSC_BOT_Read_FreePacketCallback) != HAL_OK)
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if (MSC_Handle->hbot.pbuf != NULL)
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{
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//Simple single-buffer operation
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MSC_Handle->hbot.this_URB_size = MIN(MSC_Handle->hbot.cbw.field.DataTransferLength,
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MSC_Handle->InEpSize);
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USBH_BulkReceiveData (phost,
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MSC_Handle->hbot.pbuf,
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MSC_Handle->hbot.this_URB_size,
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MSC_Handle->InPipe);
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}
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else
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{
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MSC_Handle->hbot.state = BOT_ERROR_IN;
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//Asynchronous multi-packet operation: get first packet
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Callback_MSC_phost = phost;
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if (Downstream_GetFreePacket(USBH_MSC_BOT_Read_Multipacket_FreePacketCallback) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_IN;
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}
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}
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break;
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@ -191,39 +205,49 @@ USBH_StatusTypeDef USBH_MSC_BOT_Process (USBH_HandleTypeDef *phost, uint8_t lun)
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if (URB_Status == USBH_URB_DONE)
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{
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MSC_Handle->hbot.cbw.field.DataTransferLength -= MSC_Handle->hbot.this_URB_size;
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MSC_Handle->hbot.bot_packet_bytes_remaining -= MSC_Handle->hbot.this_URB_size;
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MSC_Handle->hbot.pbuf += MSC_Handle->hbot.this_URB_size;
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if (MSC_Handle->hbot.cbw.field.DataTransferLength == 0)
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if (MSC_Handle->hbot.pbuf != NULL)
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{
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//End of reception: dispatch last packet
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MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
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Downstream_MSC_PutStreamDataPacket(MSC_Handle->hbot.bot_packet,
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(BOT_PAGE_LENGTH - MSC_Handle->hbot.bot_packet_bytes_remaining));
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//Simple single-buffer operation: everything must fit in one URB
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MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
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}
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else
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{
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//Still more data to receive
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if (MSC_Handle->hbot.bot_packet_bytes_remaining == 0)
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{
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//Dispatch current bot_packet, then get a new one
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if (Downstream_MSC_PutStreamDataPacket(MSC_Handle->hbot.bot_packet,
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(BOT_PAGE_LENGTH - MSC_Handle->hbot.bot_packet_bytes_remaining)) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_IN;
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break;
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}
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if (Downstream_GetFreePacket(USBH_MSC_BOT_Read_FreePacketCallback) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_IN;
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break;
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}
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}
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else
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{
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//Continue filling the current bot_packet
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USBH_MSC_BOT_Read_PrepareURB(phost);
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}
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//Asynchronous multi-packet operation
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MSC_Handle->hbot.bot_packet_bytes_remaining -= MSC_Handle->hbot.this_URB_size;
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MSC_Handle->hbot.bot_packet_pbuf += MSC_Handle->hbot.this_URB_size;
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if (MSC_Handle->hbot.cbw.field.DataTransferLength == 0)
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{
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//End of reception: dispatch last packet
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MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
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Downstream_MSC_PutStreamDataPacket(MSC_Handle->hbot.bot_packet,
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(BOT_PAGE_LENGTH - MSC_Handle->hbot.bot_packet_bytes_remaining));
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}
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else
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{
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//Still more data to receive
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if (MSC_Handle->hbot.bot_packet_bytes_remaining == 0)
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{
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//Dispatch current bot_packet, then get a new one
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if (Downstream_MSC_PutStreamDataPacket(MSC_Handle->hbot.bot_packet,
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(BOT_PAGE_LENGTH - MSC_Handle->hbot.bot_packet_bytes_remaining)) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_IN;
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break;
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}
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if (Downstream_GetFreePacket(USBH_MSC_BOT_Read_Multipacket_FreePacketCallback) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_IN;
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break;
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}
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}
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else
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{
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//Continue filling the current bot_packet
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USBH_MSC_BOT_Read_Multipacket_PrepareURB(phost);
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}
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}
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}
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}
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@ -242,11 +266,26 @@ USBH_StatusTypeDef USBH_MSC_BOT_Process (USBH_HandleTypeDef *phost, uint8_t lun)
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break;
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case BOT_DATA_OUT:
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Callback_MSC_phost = phost;
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MSC_Handle->hbot.state = BOT_DATA_OUT_WAIT;
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if (Downstream_MSC_GetStreamDataPacket(USBH_MSC_BOT_Write_ReceivePacketCallback) != HAL_OK)
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if (MSC_Handle->hbot.pbuf != NULL)
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{
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MSC_Handle->hbot.state = BOT_ERROR_OUT;
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//Simple single-buffer operation
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MSC_Handle->hbot.this_URB_size = MIN(MSC_Handle->hbot.cbw.field.DataTransferLength,
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MSC_Handle->OutEpSize);
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USBH_BulkSendData (phost,
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MSC_Handle->hbot.pbuf,
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MSC_Handle->hbot.this_URB_size,
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MSC_Handle->OutPipe,
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1);
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}
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else
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{
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//Asynchronous multi-packet operation: get first packet
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Callback_MSC_phost = phost;
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if (Downstream_MSC_GetStreamDataPacket(USBH_MSC_BOT_Write_Multipacket_ReceivePacketCallback) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_OUT;
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}
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}
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break;
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@ -256,30 +295,39 @@ USBH_StatusTypeDef USBH_MSC_BOT_Process (USBH_HandleTypeDef *phost, uint8_t lun)
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if(URB_Status == USBH_URB_DONE)
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{
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MSC_Handle->hbot.cbw.field.DataTransferLength -= MSC_Handle->hbot.this_URB_size;
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MSC_Handle->hbot.bot_packet_bytes_remaining -= MSC_Handle->hbot.this_URB_size;
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MSC_Handle->hbot.pbuf += MSC_Handle->hbot.this_URB_size;
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if (MSC_Handle->hbot.cbw.field.DataTransferLength == 0)
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{
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//End of reception
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MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
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}
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if (MSC_Handle->hbot.pbuf != NULL)
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{
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//Simple single-buffer operation: everything must fit in one URB
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MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
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}
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else
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{
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//Still more data to receive
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if (MSC_Handle->hbot.bot_packet_bytes_remaining == 0)
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{
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//Get next bot_packet
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if (Downstream_MSC_GetStreamDataPacket(USBH_MSC_BOT_Write_ReceivePacketCallback) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_OUT;
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}
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}
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else
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{
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//Continue reading the current bot_packet
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USBH_MSC_BOT_Write_PrepareURB(phost);
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}
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//Asynchronous multi-packet operation
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MSC_Handle->hbot.bot_packet_bytes_remaining -= MSC_Handle->hbot.this_URB_size;
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MSC_Handle->hbot.bot_packet_pbuf += MSC_Handle->hbot.this_URB_size;
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if (MSC_Handle->hbot.cbw.field.DataTransferLength == 0)
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{
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//End of transmission
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MSC_Handle->hbot.state = BOT_RECEIVE_CSW;
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}
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else
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{
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//Still more data to send
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if (MSC_Handle->hbot.bot_packet_bytes_remaining == 0)
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{
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//Get next bot_packet
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if (Downstream_MSC_GetStreamDataPacket(USBH_MSC_BOT_Write_Multipacket_ReceivePacketCallback) != HAL_OK)
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{
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MSC_Handle->hbot.state = BOT_ERROR_OUT;
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}
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}
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else
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{
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//Continue writing the current bot_packet
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USBH_MSC_BOT_Write_Multipacket_PrepareURB(phost);
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}
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}
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}
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}
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@ -385,7 +433,7 @@ USBH_StatusTypeDef USBH_MSC_BOT_Process (USBH_HandleTypeDef *phost, uint8_t lun)
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}
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void USBH_MSC_BOT_Read_FreePacketCallback(DownstreamPacketTypeDef* freePacket)
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void USBH_MSC_BOT_Read_Multipacket_FreePacketCallback(DownstreamPacketTypeDef* freePacket)
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{
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MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) Callback_MSC_phost->pActiveClass->pData;
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@ -396,13 +444,13 @@ void USBH_MSC_BOT_Read_FreePacketCallback(DownstreamPacketTypeDef* freePacket)
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}
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MSC_Handle->hbot.bot_packet = freePacket;
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MSC_Handle->hbot.pbuf = freePacket->Data;
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MSC_Handle->hbot.bot_packet_pbuf = freePacket->Data;
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MSC_Handle->hbot.bot_packet_bytes_remaining = BOT_PAGE_LENGTH;
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USBH_MSC_BOT_Read_PrepareURB(Callback_MSC_phost);
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USBH_MSC_BOT_Read_Multipacket_PrepareURB(Callback_MSC_phost);
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}
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void USBH_MSC_BOT_Read_PrepareURB(USBH_HandleTypeDef *phost)
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void USBH_MSC_BOT_Read_Multipacket_PrepareURB(USBH_HandleTypeDef *phost)
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{
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MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) phost->pActiveClass->pData;
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@ -417,14 +465,14 @@ void USBH_MSC_BOT_Read_PrepareURB(USBH_HandleTypeDef *phost)
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}
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USBH_BulkReceiveData(phost,
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MSC_Handle->hbot.pbuf,
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MSC_Handle->hbot.bot_packet_pbuf,
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MSC_Handle->hbot.this_URB_size,
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MSC_Handle->InPipe);
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}
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void USBH_MSC_BOT_Write_ReceivePacketCallback(DownstreamPacketTypeDef* receivedPacket,
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uint16_t dataLength)
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void USBH_MSC_BOT_Write_Multipacket_ReceivePacketCallback(DownstreamPacketTypeDef* receivedPacket,
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uint16_t dataLength)
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{
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MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) Callback_MSC_phost->pActiveClass->pData;
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@ -435,13 +483,13 @@ void USBH_MSC_BOT_Write_ReceivePacketCallback(DownstreamPacketTypeDef* receivedP
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}
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MSC_Handle->hbot.bot_packet = receivedPacket;
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MSC_Handle->hbot.pbuf = receivedPacket->Data;
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MSC_Handle->hbot.bot_packet_pbuf = receivedPacket->Data;
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MSC_Handle->hbot.bot_packet_bytes_remaining = dataLength;
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USBH_MSC_BOT_Write_PrepareURB(Callback_MSC_phost);
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USBH_MSC_BOT_Write_Multipacket_PrepareURB(Callback_MSC_phost);
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}
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void USBH_MSC_BOT_Write_PrepareURB(USBH_HandleTypeDef *phost)
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void USBH_MSC_BOT_Write_Multipacket_PrepareURB(USBH_HandleTypeDef *phost)
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{
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MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) phost->pActiveClass->pData;
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@ -455,7 +503,7 @@ void USBH_MSC_BOT_Write_PrepareURB(USBH_HandleTypeDef *phost)
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MSC_Handle->hbot.this_URB_size = MSC_Handle->OutEpSize;
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}
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USBH_BulkSendData (phost,
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MSC_Handle->hbot.pbuf,
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MSC_Handle->hbot.bot_packet_pbuf,
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MSC_Handle->hbot.this_URB_size,
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MSC_Handle->OutPipe,
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1);
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