@@ -474,33 +474,33 @@ static uint8_t USBD_CDC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
474474 (void )USBD_LL_OpenEP (pdev , CDC_IN_EP , USBD_EP_TYPE_BULK ,
475475 CDC_DATA_HS_IN_PACKET_SIZE );
476476
477- pdev -> ep_in [CDC_IN_EP & 0xFU ].is_used = 1U ;
477+ pdev -> ep_in [CDC_IN_EP & 0xFU ].is_used = 1U ;
478478
479- /* Open EP OUT */
480- (void )USBD_LL_OpenEP (pdev , CDC_OUT_EP , USBD_EP_TYPE_BULK ,
481- CDC_DATA_HS_OUT_PACKET_SIZE );
479+ /* Open EP OUT */
480+ (void )USBD_LL_OpenEP (pdev , CDC_OUT_EP , USBD_EP_TYPE_BULK ,
481+ CDC_DATA_HS_OUT_PACKET_SIZE );
482482
483- pdev -> ep_out [CDC_OUT_EP & 0xFU ].is_used = 1U ;
483+ pdev -> ep_out [CDC_OUT_EP & 0xFU ].is_used = 1U ;
484484
485- /* Set bInterval for CDC CMD Endpoint */
486- pdev -> ep_in [CDC_CMD_EP & 0xFU ].bInterval = CDC_HS_BINTERVAL ;
485+ /* Set bInterval for CDC CMD Endpoint */
486+ pdev -> ep_in [CDC_CMD_EP & 0xFU ].bInterval = CDC_HS_BINTERVAL ;
487487 }
488488 else
489489 {
490490 /* Open EP IN */
491491 (void )USBD_LL_OpenEP (pdev , CDC_IN_EP , USBD_EP_TYPE_BULK ,
492492 CDC_DATA_FS_IN_PACKET_SIZE );
493493
494- pdev -> ep_in [CDC_IN_EP & 0xFU ].is_used = 1U ;
494+ pdev -> ep_in [CDC_IN_EP & 0xFU ].is_used = 1U ;
495495
496- /* Open EP OUT */
497- (void )USBD_LL_OpenEP (pdev , CDC_OUT_EP , USBD_EP_TYPE_BULK ,
498- CDC_DATA_FS_OUT_PACKET_SIZE );
496+ /* Open EP OUT */
497+ (void )USBD_LL_OpenEP (pdev , CDC_OUT_EP , USBD_EP_TYPE_BULK ,
498+ CDC_DATA_FS_OUT_PACKET_SIZE );
499499
500- pdev -> ep_out [CDC_OUT_EP & 0xFU ].is_used = 1U ;
500+ pdev -> ep_out [CDC_OUT_EP & 0xFU ].is_used = 1U ;
501501
502- /* Set bInterval for CMD Endpoint */
503- pdev -> ep_in [CDC_CMD_EP & 0xFU ].bInterval = CDC_FS_BINTERVAL ;
502+ /* Set bInterval for CMD Endpoint */
503+ pdev -> ep_in [CDC_CMD_EP & 0xFU ].bInterval = CDC_FS_BINTERVAL ;
504504 }
505505
506506 /* Open Command IN EP */
@@ -540,7 +540,6 @@ static uint8_t USBD_CDC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
540540static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef * pdev , uint8_t cfgidx )
541541{
542542 UNUSED (cfgidx );
543- uint8_t ret = 0U ;
544543
545544 /* Close EP IN */
546545 (void )USBD_LL_CloseEP (pdev , CDC_IN_EP );
@@ -563,7 +562,7 @@ static uint8_t USBD_CDC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
563562 pdev -> pClassData = NULL ;
564563 }
565564
566- return ret ;
565+ return ( uint8_t ) USBD_OK ;
567566}
568567
569568/**
@@ -583,81 +582,81 @@ static uint8_t USBD_CDC_Setup(USBD_HandleTypeDef *pdev,
583582
584583 switch (req -> bmRequest & USB_REQ_TYPE_MASK )
585584 {
586- case USB_REQ_TYPE_CLASS :
587- if (req -> wLength != 0U )
588- {
589- if ((req -> bmRequest & 0x80U ) != 0U )
585+ case USB_REQ_TYPE_CLASS :
586+ if (req -> wLength != 0U )
590587 {
591- ((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> Control (req -> bRequest ,
592- (uint8_t * )hcdc -> data ,
593- req -> wLength );
588+ if ((req -> bmRequest & 0x80U ) != 0U )
589+ {
590+ ((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> Control (req -> bRequest ,
591+ (uint8_t * )hcdc -> data ,
592+ req -> wLength );
594593
595594 (void )USBD_CtlSendData (pdev , (uint8_t * )hcdc -> data , req -> wLength );
595+ }
596+ else
597+ {
598+ hcdc -> CmdOpCode = req -> bRequest ;
599+ hcdc -> CmdLength = (uint8_t )req -> wLength ;
600+
601+ (void )USBD_CtlPrepareRx (pdev , (uint8_t * )hcdc -> data , req -> wLength );
602+ }
596603 }
597604 else
598605 {
599- hcdc -> CmdOpCode = req -> bRequest ;
600- hcdc -> CmdLength = (uint8_t )req -> wLength ;
601-
602- (void )USBD_CtlPrepareRx (pdev , (uint8_t * )hcdc -> data , req -> wLength );
603- }
604- }
605- else
606- {
607- ((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> Control (req -> bRequest ,
608- (uint8_t * )req , 0U );
609- }
610- break ;
611-
612- case USB_REQ_TYPE_STANDARD :
613- switch (req -> bRequest )
614- {
615- case USB_REQ_GET_STATUS :
616- if (pdev -> dev_state == USBD_STATE_CONFIGURED )
617- {
618- (void )USBD_CtlSendData (pdev , (uint8_t * )& status_info , 2U );
619- }
620- else
621- {
622- USBD_CtlError (pdev , req );
623- ret = USBD_FAIL ;
624- }
625- break ;
626-
627- case USB_REQ_GET_INTERFACE :
628- if (pdev -> dev_state == USBD_STATE_CONFIGURED )
629- {
630- (void )USBD_CtlSendData (pdev , & ifalt , 1U );
631- }
632- else
633- {
634- USBD_CtlError (pdev , req );
635- ret = USBD_FAIL ;
606+ ((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> Control (req -> bRequest ,
607+ (uint8_t * )req , 0U );
636608 }
637609 break ;
638610
639- case USB_REQ_SET_INTERFACE :
640- if ( pdev -> dev_state != USBD_STATE_CONFIGURED )
611+ case USB_REQ_TYPE_STANDARD :
612+ switch ( req -> bRequest )
641613 {
642- USBD_CtlError (pdev , req );
643- ret = USBD_FAIL ;
614+ case USB_REQ_GET_STATUS :
615+ if (pdev -> dev_state == USBD_STATE_CONFIGURED )
616+ {
617+ (void )USBD_CtlSendData (pdev , (uint8_t * )& status_info , 2U );
618+ }
619+ else
620+ {
621+ USBD_CtlError (pdev , req );
622+ ret = USBD_FAIL ;
623+ }
624+ break ;
625+
626+ case USB_REQ_GET_INTERFACE :
627+ if (pdev -> dev_state == USBD_STATE_CONFIGURED )
628+ {
629+ (void )USBD_CtlSendData (pdev , & ifalt , 1U );
630+ }
631+ else
632+ {
633+ USBD_CtlError (pdev , req );
634+ ret = USBD_FAIL ;
635+ }
636+ break ;
637+
638+ case USB_REQ_SET_INTERFACE :
639+ if (pdev -> dev_state != USBD_STATE_CONFIGURED )
640+ {
641+ USBD_CtlError (pdev , req );
642+ ret = USBD_FAIL ;
643+ }
644+ break ;
645+
646+ case USB_REQ_CLEAR_FEATURE :
647+ break ;
648+
649+ default :
650+ USBD_CtlError (pdev , req );
651+ ret = USBD_FAIL ;
652+ break ;
644653 }
645654 break ;
646655
647- case USB_REQ_CLEAR_FEATURE :
648- break ;
649-
650656 default :
651657 USBD_CtlError (pdev , req );
652658 ret = USBD_FAIL ;
653659 break ;
654- }
655- break ;
656-
657- default :
658- USBD_CtlError (pdev , req );
659- ret = USBD_FAIL ;
660- break ;
661660 }
662661
663662 return (uint8_t )ret ;
@@ -694,7 +693,11 @@ static uint8_t USBD_CDC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
694693 else
695694 {
696695 hcdc -> TxState = 0U ;
697- ((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> TransmitCplt (hcdc -> TxBuffer , & hcdc -> TxLength , epnum );
696+
697+ if (((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> TransmitCplt != NULL )
698+ {
699+ ((USBD_CDC_ItfTypeDef * )pdev -> pUserData )-> TransmitCplt (hcdc -> TxBuffer , & hcdc -> TxLength , epnum );
700+ }
698701 }
699702
700703 return (uint8_t )USBD_OK ;
@@ -743,7 +746,6 @@ static uint8_t USBD_CDC_EP0_RxReady(USBD_HandleTypeDef *pdev)
743746 (uint8_t * )hcdc -> data ,
744747 (uint16_t )hcdc -> CmdLength );
745748 hcdc -> CmdOpCode = 0xFFU ;
746-
747749 }
748750
749751 return (uint8_t )USBD_OK ;
@@ -778,7 +780,7 @@ static uint8_t *USBD_CDC_GetHSCfgDesc(uint16_t *length)
778780}
779781
780782/**
781- * @brief USBD_CDC_GetCfgDesc
783+ * @brief USBD_CDC_GetOtherSpeedCfgDesc
782784 * Return configuration descriptor
783785 * @param speed : current device speed
784786 * @param length : pointer data length
@@ -792,11 +794,11 @@ static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc(uint16_t *length)
792794}
793795
794796/**
795- * @brief DeviceQualifierDescriptor
796- * return Device Qualifier descriptor
797- * @param length : pointer data length
798- * @retval pointer to descriptor buffer
799- */
797+ * @brief USBD_CDC_GetDeviceQualifierDescriptor
798+ * return Device Qualifier descriptor
799+ * @param length : pointer data length
800+ * @retval pointer to descriptor buffer
801+ */
800802uint8_t * USBD_CDC_GetDeviceQualifierDescriptor (uint16_t * length )
801803{
802804 * length = (uint16_t )sizeof (USBD_CDC_DeviceQualifierDesc );
@@ -805,7 +807,7 @@ uint8_t *USBD_CDC_GetDeviceQualifierDescriptor(uint16_t *length)
805807}
806808
807809/**
808- * @brief USBD_CDC_RegisterInterface
810+ * @brief USBD_CDC_RegisterInterface
809811 * @param pdev: device instance
810812 * @param fops: CD Interface callback
811813 * @retval status
@@ -840,7 +842,6 @@ uint8_t USBD_CDC_SetTxBuffer(USBD_HandleTypeDef *pdev,
840842 return (uint8_t )USBD_OK ;
841843}
842844
843-
844845/**
845846 * @brief USBD_CDC_SetRxBuffer
846847 * @param pdev: device instance
@@ -889,7 +890,6 @@ uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev)
889890 return (uint8_t )ret ;
890891}
891892
892-
893893/**
894894 * @brief USBD_CDC_ReceivePacket
895895 * prepare OUT Endpoint for reception
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