UM10462 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2016. All rights reserved.
User manual Rev. 5.5 — 21 December 2016 220 of 523
NXP Semiconductors
UM10462
Chapter 10: LPC11U3x/2x/1x USB on-chip drivers
MSC_Ep0_Hdlr
ErrorCode_t(* USBD_MSC_INIT_PARAM::MSC_Ep0_Hdlr)(USBD_HANDLE_T hUsb, void *data, uint32_t
event)
Optional user overridable function to replace the default MSC class handler.
The application software could override the default EP0 class handler with their own by
providing the handler function address as this data member of the parameter structure.
Application which like the default handler should set this data member to zero before calling
the USBD_MSC_API::Init().
Remark:
Parameters:
1. hUsb = Handle to the USB device stack.
2. data = Pointer to the data which will be passed when callback function is called by the
stack.
3. event = Type of endpoint event. See USBD_EVENT_T for more details.
Returns:
The call back should returns ErrorCode_t type to indicate success or error condition.
Return values:
1. LPC_OK = On success.
2. ERR_USBD_UNHANDLED = Event is not handled hence pass the event to next in line.
3. ERR_USBD_xxx = For other error conditions.
Table 210. USBD_MSC_INIT_PARAM class structure
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