575 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			575 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/***********************************************************************
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* $Id:: mw_usbd_core.h 202 2011-06-12 21:50:01Z usb06052                      $
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*
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* Project: USB device ROM Stack
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*
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* Description:
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*     USB core controller structure defnitions and function prototypes.
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*
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***********************************************************************
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*   Copyright(C) 2011, NXP Semiconductor
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*   All rights reserved.
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*
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* products. This software is supplied "AS IS" without any warranties.
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* NXP Semiconductors assumes no responsibility or liability for the
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* use of the software, conveys no license or title under any patent,
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* copyright, or mask work right to the product. NXP Semiconductors
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* reserves the right to make changes in the software without
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* notification. NXP Semiconductors also make no representation or
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* warranty that such application will be suitable for the specified
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* use without further testing or modification.
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**********************************************************************/
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#ifndef __MW_USBD_CORE_H__
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#define __MW_USBD_CORE_H__
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#include "error.h"
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#include "mw_usbd.h"
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/** \file
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 *  \brief ROM API for USB device stack.
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 *
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 *  Definition of functions exported by core layer of ROM based USB device stack.
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 *
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 */
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/** \ingroup Group_USBD
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 *  @defgroup USBD_Core USB Core Layer
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 *  \section Sec_CoreModDescription Module Description
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 *  The USB Core Layer implements the device abstraction defined in the <em> Universal Serial Bus Specification, </em>
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 *  for applications to interact with the USB device interface on the device. The software in this layer responds to 
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 *  standard requests and returns standard descriptors. In current stack the Init() routine part of 
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 *  \ref USBD_HW_API_T structure initializes both hardware layer and core layer.
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 */
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/* function pointer types */
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/** \ingroup USBD_Core 
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 *  \typedef USB_CB_T
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 *  \brief USB device stack's event callback function type.
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 *
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 *  The USB device stack exposes several event triggers through callback to application layer. The
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 *  application layer can register methods to be called when such USB event happens.
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 *  
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 *  \param[in] hUsb Handle to the USB device stack. 
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 *  \return The call back should returns \ref ErrorCode_t type to indicate success or error condition.
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 *          \retval LPC_OK On success
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 *          \retval ERR_USBD_UNHANDLED  Event is not handled hence pass the event to next in line. 
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 *          \retval ERR_USBD_xxx  Other error conditions. 
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 *                                             
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 */
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typedef ErrorCode_t (*USB_CB_T) (USBD_HANDLE_T hUsb);
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/** \ingroup USBD_Core 
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 *  \typedef USB_PARAM_CB_T
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 *  \brief USB device stack's event callback function type.
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 *
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 *  The USB device stack exposes several event triggers through callback to application layer. The
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 *  application layer can register methods to be called when such USB event happens.
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 *  
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 *  \param[in] hUsb Handle to the USB device stack. 
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 *  \param[in] param1 Extra information related to the event. 
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 *  \return The call back should returns \ref ErrorCode_t type to indicate success or error condition.
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 *          \retval LPC_OK On success
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 *          \retval ERR_USBD_UNHANDLED  Event is not handled hence pass the event to next in line. 
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 *          \retval ERR_USBD_xxx  For other error conditions. 
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 *                                             
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 */
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typedef ErrorCode_t (*USB_PARAM_CB_T) (USBD_HANDLE_T hUsb, uint32_t param1);
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/** \ingroup USBD_Core
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 *  \typedef USB_EP_HANDLER_T
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 *  \brief USBD setup request and endpoint event handler type.
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 *
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 *  The application layer should define the custom class's EP0 handler with function signature. 
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 *  The stack calls all the registered class handlers on any EP0 event before going through default 
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 *  handling of the event. This gives the class handlers to implement class specific request handlers
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 *  and also to override the default stack handling for a particular event targeted to the interface.
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 *  If an event is not handled by the callback the function should return ERR_USBD_UNHANDLED. For all
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 *  other return codes the stack assumes that callback has taken care of the event and hence will not
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 *  process the event any further and issues a STALL condition on EP0 indicating error to the host.
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 *  \n
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 *  For endpoint interrupt handler the return value is ignored by the stack.
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 *  \n
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 *  \param[in] hUsb Handle to the USB device stack. 
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 *  \param[in] data Pointer to the data which will be passed when callback function is called by the stack. 
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 *  \param[in] event  Type of endpoint event. See \ref USBD_EVENT_T for more details.
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 *  \return The call back should returns \ref ErrorCode_t type to indicate success or error condition.
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 *          \retval LPC_OK On success.
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 *          \retval ERR_USBD_UNHANDLED  Event is not handled hence pass the event to next in line. 
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 *          \retval ERR_USBD_xxx  For other error conditions. 
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 *                                             
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 */
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typedef ErrorCode_t (*USB_EP_HANDLER_T)(USBD_HANDLE_T hUsb, void* data, uint32_t event);
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/** \ingroup USBD_Core 
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 *  \brief USB descriptors data structure.
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 *  \ingroup USBD_Core
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 *
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 *  \details  This structure is used as part of USB device stack initialisation 
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 *  parameter structure \ref USBD_API_INIT_PARAM_T. This structure contains
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 *  pointers to various descriptor arrays needed by the stack. These descriptors
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 *  are reported to USB host as part of enumerations process.
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 *
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 *  \note All descriptor pointers assigned in this structure should be on 4 byte
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 *  aligned address boundary.
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 */
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typedef struct _USB_CORE_DESCS_T
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{
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  uint8_t *device_desc; /**< Pointer to USB device descriptor */
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  uint8_t *string_desc; /**< Pointer to array of USB string descriptors */
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  uint8_t *full_speed_desc; /**< Pointer to USB device configuration descriptor
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                            * when device is operating in full speed mode.
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                            */
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  uint8_t *high_speed_desc; /**< Pointer to USB device configuration descriptor
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                            * when device is operating in high speed mode. For
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                            * full-speed only implementation this pointer should
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                            * be same as full_speed_desc.
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                            */
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  uint8_t *device_qualifier; /**< Pointer to USB device qualifier descriptor. For
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                             * full-speed only implementation this pointer should
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                             * be set to null (0).
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                             */
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} USB_CORE_DESCS_T;
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/** \brief USB device stack initilization parameter data structure.
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 *  \ingroup USBD_Core
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 *
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 *  \details  This data structure is used to pass initialization parameters to the 
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 *  USB device stack's init function.
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 *
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 */
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typedef struct USBD_API_INIT_PARAM
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{
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  uint32_t usb_reg_base; /**< USB device controller's base register address. */ 
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  uint32_t mem_base;  /**< Base memory location from where the stack can allocate
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                      data and buffers. \note The memory address set in this field
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                      should be accessible by USB DMA controller. Also this value
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                      should be aligned on 2048 byte boundary.
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                      */
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  uint32_t mem_size;  /**< The size of memory buffer which stack can use. 
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                      \note The \em mem_size should be greater than the size 
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                      returned by USBD_HW_API::GetMemSize() routine.*/
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  uint8_t max_num_ep; /**< max number of endpoints supported by the USB device 
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                      controller instance (specified by \em usb_reg_base field)
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                      to which this instance of stack is attached. 
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                      */
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  uint8_t pad0[3];
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  /* USB Device Events Callback Functions */
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	/** Event for USB interface reset. This event fires when the USB host requests that the device 
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	 *  reset its interface. This event fires after the control endpoint has been automatically
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	 *  configured by the library.
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	 *  \n
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	 *  \note This event is called from USB_ISR context and hence is time-critical. Having delays in this
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	 *  callback will prevent the device from enumerating correctly or operate properly.
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	 *
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	 */
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  USB_CB_T USB_Reset_Event;
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	/** Event for USB suspend. This event fires when the USB host suspends the device by halting its
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	 *  transmission of Start Of Frame pulses to the device. This is generally hooked in order to move
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	 *  the device over to a low power state until the host wakes up the device. 
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	 *  \n
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	 *  \note This event is called from USB_ISR context and hence is time-critical. Having delays in this
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	 *  callback will cause other system issues.
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	 */
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  USB_CB_T USB_Suspend_Event;
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	/** Event for USB wake up or resume. This event fires when a the USB device interface is suspended 
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	 *  and the host wakes up the device by supplying Start Of Frame pulses. This is generally
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	 *  hooked to pull the user application out of a low power state and back into normal operating
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	 *  mode. 
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	 *  \n
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	 *  \note This event is called from USB_ISR context and hence is time-critical. Having delays in this
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	 *  callback will cause other system issues.
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	 *
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	 */
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  USB_CB_T USB_Resume_Event;
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  /** Reserved parameter should be set to zero. */
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  USB_CB_T reserved_sbz;
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  /** Event for USB Start Of Frame detection, when enabled. This event fires at the start of each USB
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	 *  frame, once per millisecond in full-speed mode or once per 125 microseconds in high-speed mode,
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   *  and is synchronized to the USB bus. 
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	 *
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	 *  This event is time-critical; it is run once per millisecond (full-speed mode) and thus long handlers 
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	 *  will significantly degrade device performance. This event should only be enabled when needed to 
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   *  reduce device wake-ups.
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	 *
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	 *  \note This event is not normally active - it must be manually enabled and disabled via the USB interrupt
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	 *        register.
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	 *        \n\n
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	 */  
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  USB_CB_T USB_SOF_Event;
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  /** Event for remote wakeup configururation, when enabled. This event fires when the USB host
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	 *  request the device to configure itself for remote wake-up capability. The USB host sends
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   *  this request to device which report remote wakeup capable in their device descriptors,
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   *  before going to low-power state. The application layer should implement this callback if
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   *  they have any special on board circuit to trigerr remote wake up event. Also application
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   *  can use this callback to differntiate the following SUSPEND event is caused by cable plug-out
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   *  or host SUSPEND request. The device can wakeup host only after reciving this callback and
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   *  remote wakeup feature is enabled by host. To signal remote wakeup the device has to generate
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   *  resume signaling on bus by calling usapi.hw->WakeUp() routine.
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	 *
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	 *  \n\n
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   *  \param[in] hUsb Handle to the USB device stack. 
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   *  \param[in] param1 When 0 - Clear the wakeup configuration, 1 - Enable the wake-up configuration. 
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   *  \return The call back should return \ref ErrorCode_t type to indicate success or error condition.
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	 */  
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  USB_PARAM_CB_T USB_WakeUpCfg;
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  /** Reserved parameter should be set to zero. */
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  USB_PARAM_CB_T USB_Power_Event;
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  /** Event for error condition. This event fires when USB device controller detect 
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	 *  an error condition in the system.  
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	 *
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	 *  \n\n
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   *  \param[in] hUsb Handle to the USB device stack. 
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   *  \param[in] param1 USB device interrupt status register. 
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   *  \return The call back should return \ref ErrorCode_t type to indicate success or error condition.
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   */  
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  USB_PARAM_CB_T USB_Error_Event;
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  /* USB Core Events Callback Functions */
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  /** Event for USB configuration number changed. This event fires when a the USB host changes the
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   *  selected configuration number. On receiving configuration change request from host, the stack
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   *  enables/configures the endpoints needed by the new configuration before calling this callback
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   *  function.
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	 *  \n
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	 *  \note This event is called from USB_ISR context and hence is time-critical. Having delays in this
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	 *  callback will prevent the device from enumerating correctly or operate properly.
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   *
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   */
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  USB_CB_T USB_Configure_Event;
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  /** Event for USB interface setting changed. This event fires when a the USB host changes the
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   *  interface setting to one of alternate interface settings. On receiving interface change 
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   *  request from host, the stack enables/configures the endpoints needed by the new alternate 
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   *  interface setting before calling this callback function.
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	 *  \n
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	 *  \note This event is called from USB_ISR context and hence is time-critical. Having delays in this
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	 *  callback will prevent the device from enumerating correctly or operate properly.
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   *
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   */
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  USB_CB_T USB_Interface_Event;
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  /** Event for USB feature changed. This event fires when a the USB host send set/clear feature
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   *  request. The stack handles this request for USB_FEATURE_REMOTE_WAKEUP, USB_FEATURE_TEST_MODE
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   *  and USB_FEATURE_ENDPOINT_STALL features only. On receiving feature request from host, the  
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   *  stack handle the request appropriately and then calls this callback function.
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	 *  \n
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	 *  \note This event is called from USB_ISR context and hence is time-critical. Having delays in this
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	 *  callback will prevent the device from enumerating correctly or operate properly.
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   *
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   */
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 USB_CB_T USB_Feature_Event;
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  /* cache and mmu translation functions */
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  /** Reserved parameter for future use. should be set to zero. */
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  uint32_t (* virt_to_phys)(void* vaddr);
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  /** Reserved parameter for future use. should be set to zero. */
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  void (* cache_flush)(uint32_t* start_adr, uint32_t* end_adr);
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} USBD_API_INIT_PARAM_T;
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/** \brief USBD stack Core API functions structure.
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 *  \ingroup USBD_Core
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 *
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 *  \details  This module exposes functions which interact directly with USB device stack's core layer.
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 *  The application layer uses this component when it has to implement custom class function driver or 
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 *  standard class function driver which is not part of the current USB device stack.
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 *  The functions exposed by this interface are to register class specific EP0 handlers and corresponding
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 *  utility functions to manipulate EP0 state machine of the stack. This interface also exposes
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 *  function to register custom endpoint interrupt handler.
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 *
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 */
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typedef struct USBD_CORE_API 
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{
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 /** \fn ErrorCode_t RegisterClassHandler(USBD_HANDLE_T hUsb, USB_EP_HANDLER_T pfn, void* data)
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  *  Function to register class specific EP0 event handler with USB device stack.
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  *
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  *  The application layer uses this function when it has to register the custom class's EP0 handler. 
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  *  The stack calls all the registered class handlers on any EP0 event before going through default 
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  *  handling of the event. This gives the class handlers to implement class specific request handlers
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  *  and also to override the default stack handling for a particular event targeted to the interface.
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  *  Check USB_EP_HANDLER_T for more details on how the callback function should be implemented. Also
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  *  application layer could use this function to register EP0 handler which responds to vendor specific 
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  *  requests.
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  *  
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  *  \param[in] hUsb Handle to the USB device stack. 
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  *  \param[in] pfn  Class specific EP0 handler function.
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  *  \param[in] data Pointer to the data which will be passed when callback function is called by the stack. 
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  *  \return Returns \ref ErrorCode_t type to indicate success or error condition.
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  *          \retval LPC_OK On success
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  *          \retval ERR_USBD_TOO_MANY_CLASS_HDLR(0x0004000c)  The number of class handlers registered is 
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                        greater than the number of handlers allowed by the stack.
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  *                                             
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  */
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  ErrorCode_t (*RegisterClassHandler)(USBD_HANDLE_T hUsb, USB_EP_HANDLER_T pfn, void* data);
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 /** \fn ErrorCode_t RegisterEpHandler(USBD_HANDLE_T hUsb, uint32_t ep_index, USB_EP_HANDLER_T pfn, void* data)
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  *  Function to register interrupt/event handler for the requested endpoint with USB device stack.
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  *
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  *  The application layer uses this function to register the custom class's EP0 handler. 
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  *  The stack calls all the registered class handlers on any EP0 event before going through default 
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  *  handling of the event. This gives the class handlers to implement class specific request handlers
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  *  and also to override the default stack handling for a particular event targeted to the interface.
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  *  Check USB_EP_HANDLER_T for more details on how the callback function should be implemented.
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  *  
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  *  \param[in] hUsb Handle to the USB device stack. 
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  *  \param[in] ep_index  Class specific EP0 handler function.
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  *  \param[in] pfn  Class specific EP0 handler function.
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  *  \param[in] data Pointer to the data which will be passed when callback function is called by the stack. 
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  *  \return Returns \ref ErrorCode_t type to indicate success or error condition.
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  *          \retval LPC_OK On success
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  *          \retval ERR_USBD_TOO_MANY_CLASS_HDLR(0x0004000c)  Too many endpoint handlers. 
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  *                                             
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  */
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  ErrorCode_t (*RegisterEpHandler)(USBD_HANDLE_T hUsb, uint32_t ep_index, USB_EP_HANDLER_T pfn, void* data);
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  /** \fn void SetupStage(USBD_HANDLE_T hUsb)
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   *  Function to set EP0 state machine in setup state.
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   *
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   *  This function is called by USB stack and the application layer to 
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   *  set the EP0 state machine in setup state. This function will read
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   *  the setup packet received from USB host into stack's buffer. 
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   *  \n
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   *  \note This interface is provided to users to invoke this function in other 
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   *  scenarios which are not handle by current stack. In most user applications 
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   *  this function is not called directly.Also this function can be used by  
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   *  users who are selectively modifying the USB device stack's standard handlers 
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   *  through callback interface exposed by the stack.
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   *  
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   *  \param[in] hUsb Handle to the USB device stack. 
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   *  \return Nothing.
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   */
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  void (*SetupStage )(USBD_HANDLE_T hUsb); 
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						|
  
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  /** \fn void DataInStage(USBD_HANDLE_T hUsb)
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   *  Function to set EP0 state machine in data_in state.
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   *
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   *  This function is called by USB stack and the application layer to 
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   *  set the EP0 state machine in data_in state. This function will write
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   *  the data present in EP0Data buffer to EP0 FIFO for tranmission to host. 
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   *  \n
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   *  \note This interface is provided to users to invoke this function in other 
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   *  scenarios which are not handle by current stack. In most user applications 
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   *  this function is not called directly.Also this function can be used by  
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   *  users who are selectively modifying the USB device stack's standard handlers 
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   *  through callback interface exposed by the stack.
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   *  
 | 
						|
   *  \param[in] hUsb Handle to the USB device stack. 
 | 
						|
   *  \return Nothing.
 | 
						|
   */
 | 
						|
  void (*DataInStage)(USBD_HANDLE_T hUsb);
 | 
						|
 | 
						|
  /** \fn void DataOutStage(USBD_HANDLE_T hUsb)
 | 
						|
   *  Function to set EP0 state machine in data_out state.
 | 
						|
   *
 | 
						|
   *  This function is called by USB stack and the application layer to 
 | 
						|
   *  set the EP0 state machine in data_out state. This function will read
 | 
						|
   *  the control data (EP0 out packets) received from USB host into EP0Data buffer. 
 | 
						|
   *  \n
 | 
						|
   *  \note This interface is provided to users to invoke this function in other 
 | 
						|
   *  scenarios which are not handle by current stack. In most user applications 
 | 
						|
   *  this function is not called directly.Also this function can be used by  
 | 
						|
   *  users who are selectively modifying the USB device stack's standard handlers 
 | 
						|
   *  through callback interface exposed by the stack.
 | 
						|
   *  
 | 
						|
   *  \param[in] hUsb Handle to the USB device stack. 
 | 
						|
   *  \return Nothing.
 | 
						|
   */
 | 
						|
  void (*DataOutStage)(USBD_HANDLE_T hUsb); 
 | 
						|
 | 
						|
  /** \fn void StatusInStage(USBD_HANDLE_T hUsb)
 | 
						|
   *  Function to set EP0 state machine in status_in state.
 | 
						|
   *
 | 
						|
   *  This function is called by USB stack and the application layer to 
 | 
						|
   *  set the EP0 state machine in status_in state. This function will send
 | 
						|
   *  zero length IN packet on EP0 to host, indicating positive status. 
 | 
						|
   *  \n
 | 
						|
   *  \note This interface is provided to users to invoke this function in other 
 | 
						|
   *  scenarios which are not handle by current stack. In most user applications 
 | 
						|
   *  this function is not called directly.Also this function can be used by  
 | 
						|
   *  users who are selectively modifying the USB device stack's standard handlers 
 | 
						|
   *  through callback interface exposed by the stack.
 | 
						|
   *  
 | 
						|
   *  \param[in] hUsb Handle to the USB device stack. 
 | 
						|
   *  \return Nothing.
 | 
						|
   */
 | 
						|
  void (*StatusInStage)(USBD_HANDLE_T hUsb); 
 | 
						|
  /** \fn void StatusOutStage(USBD_HANDLE_T hUsb)
 | 
						|
   *  Function to set EP0 state machine in status_out state.
 | 
						|
   *
 | 
						|
   *  This function is called by USB stack and the application layer to 
 | 
						|
   *  set the EP0 state machine in status_out state. This function will read
 | 
						|
   *  the zero length OUT packet received from USB host on EP0. 
 | 
						|
   *  \n
 | 
						|
   *  \note This interface is provided to users to invoke this function in other 
 | 
						|
   *  scenarios which are not handle by current stack. In most user applications 
 | 
						|
   *  this function is not called directly.Also this function can be used by  
 | 
						|
   *  users who are selectively modifying the USB device stack's standard handlers 
 | 
						|
   *  through callback interface exposed by the stack.
 | 
						|
   *  
 | 
						|
   *  \param[in] hUsb Handle to the USB device stack. 
 | 
						|
   *  \return Nothing.
 | 
						|
   */
 | 
						|
  void (*StatusOutStage)(USBD_HANDLE_T hUsb);
 | 
						|
 | 
						|
  /** \fn void StallEp0(USBD_HANDLE_T hUsb)
 | 
						|
   *  Function to set EP0 state machine in stall state.
 | 
						|
   *
 | 
						|
   *  This function is called by USB stack and the application layer to 
 | 
						|
   *  generate STALL signalling on EP0 endpoint. This function will also 
 | 
						|
   *  reset the EP0Data buffer. 
 | 
						|
   *  \n
 | 
						|
   *  \note This interface is provided to users to invoke this function in other 
 | 
						|
   *  scenarios which are not handle by current stack. In most user applications 
 | 
						|
   *  this function is not called directly.Also this function can be used by  
 | 
						|
   *  users who are selectively modifying the USB device stack's standard handlers 
 | 
						|
   *  through callback interface exposed by the stack.
 | 
						|
   *  
 | 
						|
   *  \param[in] hUsb Handle to the USB device stack. 
 | 
						|
   *  \return Nothing.
 | 
						|
   */
 | 
						|
  void (*StallEp0)(USBD_HANDLE_T hUsb);
 | 
						|
 | 
						|
} USBD_CORE_API_T;
 | 
						|
 | 
						|
/*-----------------------------------------------------------------------------
 | 
						|
 *  Private functions & structures prototypes
 | 
						|
 *-----------------------------------------------------------------------------*/
 | 
						|
 | 
						|
 /** @cond  ADVANCED_API */
 | 
						|
 | 
						|
/* forward declaration */
 | 
						|
struct _USB_CORE_CTRL_T;
 | 
						|
typedef struct _USB_CORE_CTRL_T  USB_CORE_CTRL_T;
 | 
						|
 | 
						|
/* USB device Speed status defines */
 | 
						|
#define USB_FULL_SPEED    0
 | 
						|
#define USB_HIGH_SPEED    1
 | 
						|
 | 
						|
/* USB Endpoint Data Structure */
 | 
						|
typedef struct _USB_EP_DATA
 | 
						|
{
 | 
						|
  uint8_t  *pData;
 | 
						|
  uint16_t   Count;
 | 
						|
  uint16_t pad0;
 | 
						|
} USB_EP_DATA;
 | 
						|
 | 
						|
 | 
						|
/* USB core controller data structure */
 | 
						|
struct _USB_CORE_CTRL_T
 | 
						|
{
 | 
						|
  /* overridable function pointers ~ c++ style virtual functions*/
 | 
						|
  USB_CB_T USB_EvtSetupHandler;
 | 
						|
  USB_CB_T USB_EvtOutHandler;
 | 
						|
  USB_PARAM_CB_T USB_ReqVendor;
 | 
						|
  USB_CB_T USB_ReqGetStatus;
 | 
						|
  USB_CB_T USB_ReqGetDescriptor;
 | 
						|
  USB_CB_T USB_ReqGetConfiguration;
 | 
						|
  USB_CB_T USB_ReqSetConfiguration;
 | 
						|
  USB_CB_T USB_ReqGetInterface;
 | 
						|
  USB_CB_T USB_ReqSetInterface;
 | 
						|
  USB_PARAM_CB_T USB_ReqSetClrFeature;
 | 
						|
 | 
						|
  /* USB Device Events Callback Functions */
 | 
						|
  USB_CB_T USB_Reset_Event;
 | 
						|
  USB_CB_T USB_Suspend_Event;
 | 
						|
  USB_CB_T USB_Resume_Event;
 | 
						|
  USB_CB_T USB_SOF_Event;
 | 
						|
  USB_PARAM_CB_T USB_Power_Event;
 | 
						|
  USB_PARAM_CB_T USB_Error_Event;
 | 
						|
  USB_PARAM_CB_T USB_WakeUpCfg;
 | 
						|
 | 
						|
  /* USB Core Events Callback Functions */
 | 
						|
  USB_CB_T USB_Configure_Event;
 | 
						|
  USB_CB_T USB_Interface_Event;
 | 
						|
  USB_CB_T USB_Feature_Event;
 | 
						|
 | 
						|
  /* cache and mmu translation functions */
 | 
						|
  uint32_t (* virt_to_phys)(void* vaddr);
 | 
						|
  void (* cache_flush)(uint32_t* start_adr, uint32_t* end_adr);
 | 
						|
 | 
						|
  /* event handlers for endpoints. */
 | 
						|
  USB_EP_HANDLER_T  ep_event_hdlr[2 * USB_MAX_EP_NUM];
 | 
						|
  void*  ep_hdlr_data[2 * USB_MAX_EP_NUM];
 | 
						|
 | 
						|
  /* USB class handlers */
 | 
						|
  USB_EP_HANDLER_T  ep0_hdlr_cb[USB_MAX_IF_NUM];
 | 
						|
  void*  ep0_cb_data[USB_MAX_IF_NUM];
 | 
						|
  uint8_t num_ep0_hdlrs;
 | 
						|
  /* USB Core data Variables */
 | 
						|
  uint8_t max_num_ep; /* max number of endpoints supported by the HW */
 | 
						|
  uint8_t device_speed;
 | 
						|
  uint8_t  num_interfaces;
 | 
						|
  uint8_t  device_addr;
 | 
						|
  uint8_t  config_value;
 | 
						|
  uint16_t device_status;
 | 
						|
  uint8_t *device_desc;
 | 
						|
  uint8_t *string_desc;
 | 
						|
  uint8_t *full_speed_desc;
 | 
						|
  uint8_t *high_speed_desc;
 | 
						|
  uint8_t *device_qualifier;
 | 
						|
  uint32_t ep_mask;
 | 
						|
  uint32_t ep_halt;
 | 
						|
  uint32_t ep_stall;
 | 
						|
  uint8_t  alt_setting[USB_MAX_IF_NUM];
 | 
						|
  /* HW driver data pointer */
 | 
						|
  void* hw_data;
 | 
						|
 | 
						|
  /* USB Endpoint 0 Data Info */
 | 
						|
  USB_EP_DATA EP0Data;
 | 
						|
 | 
						|
  /* USB Endpoint 0 Buffer */
 | 
						|
  //ALIGNED(4)
 | 
						|
  uint8_t  EP0Buf[64];
 | 
						|
 | 
						|
  /* USB Setup Packet */
 | 
						|
  //ALIGNED(4)
 | 
						|
  USB_SETUP_PACKET SetupPacket;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
/* USB Core Functions */
 | 
						|
extern void mwUSB_InitCore(USB_CORE_CTRL_T* pCtrl, USB_CORE_DESCS_T* pdescr, USBD_API_INIT_PARAM_T* param);
 | 
						|
extern void mwUSB_ResetCore(USBD_HANDLE_T hUsb);
 | 
						|
 | 
						|
/* inline functions */
 | 
						|
static __inline void USB_SetSpeedMode(USB_CORE_CTRL_T* pCtrl, uint8_t mode)
 | 
						|
{
 | 
						|
  pCtrl->device_speed = mode;
 | 
						|
}
 | 
						|
 | 
						|
/** @cond  DIRECT_API */
 | 
						|
/* midleware API */
 | 
						|
extern ErrorCode_t mwUSB_RegisterClassHandler(USBD_HANDLE_T hUsb, USB_EP_HANDLER_T pfn, void* data);
 | 
						|
extern ErrorCode_t mwUSB_RegisterEpHandler(USBD_HANDLE_T hUsb, uint32_t ep_index, USB_EP_HANDLER_T pfn, void* data);
 | 
						|
extern void mwUSB_SetupStage (USBD_HANDLE_T hUsb); 
 | 
						|
extern void mwUSB_DataInStage(USBD_HANDLE_T hUsb);
 | 
						|
extern void mwUSB_DataOutStage(USBD_HANDLE_T hUsb); 
 | 
						|
extern void mwUSB_StatusInStage(USBD_HANDLE_T hUsb); 
 | 
						|
extern void mwUSB_StatusOutStage(USBD_HANDLE_T hUsb);
 | 
						|
extern void mwUSB_StallEp0(USBD_HANDLE_T hUsb);
 | 
						|
extern ErrorCode_t mwUSB_RegisterClassHandler(USBD_HANDLE_T hUsb, USB_EP_HANDLER_T pfn, void* data);
 | 
						|
extern ErrorCode_t mwUSB_RegisterEpHandler(USBD_HANDLE_T hUsb, uint32_t ep_index, USB_EP_HANDLER_T pfn, void* data);
 | 
						|
extern void mwUSB_SetupStage (USBD_HANDLE_T hUsb); 
 | 
						|
extern void mwUSB_DataInStage(USBD_HANDLE_T hUsb);
 | 
						|
extern void mwUSB_DataOutStage(USBD_HANDLE_T hUsb); 
 | 
						|
extern void mwUSB_StatusInStage(USBD_HANDLE_T hUsb); 
 | 
						|
extern void mwUSB_StatusOutStage(USBD_HANDLE_T hUsb);
 | 
						|
extern void mwUSB_StallEp0(USBD_HANDLE_T hUsb);
 | 
						|
/** @endcond */
 | 
						|
 | 
						|
/** @endcond */
 | 
						|
 | 
						|
#endif  /* __MW_USBD_CORE_H__ */
 |