at91_svc_usbctl.h

ａｒｍ_9200开发板ｕｓｂ通讯程序。 ａｒｍ_9200开发板ｕｓｂ通讯程序。

//*----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : AT91_SVC_USBCTL.h
//* Object              : DMA service for USB control endpoint
//*
//* 1.0 Jul 30 2002 	: ODi Creation
//*----------------------------------------------------------------------------
#ifndef AT91_SVC_USBCTL
#define AT91_SVC_USBCTL
#include "AT91RM9200.h"


typedef struct _AT91S_SVC_USBCTL {
	// Public Method:
	// ==============
	// TxHandler is invoked by IT handler
	void (*Handler) (struct _AT91S_SVC_USBCTL *);
	// Read return the number of bytes read in circular buffer
	void (*Read) (
		struct _AT91S_SVC_USBCTL *,
		char *, unsigned int,
		void (*)(struct _AT91S_SVC_USBCTL *));
	void (*Write) (
		struct _AT91S_SVC_USBCTL *,
		const char *, unsigned int,
		void (*)(struct _AT91S_SVC_USBCTL *));

	// Private Datas:
	// ==============
	// Callbacks initialized by Read and Write functions
	void (*DisptachSetup) (struct _AT91S_SVC_USBCTL *);
	void (*RWComplete) (struct _AT91S_SVC_USBCTL *);

	char pSetup[8];
	// One transfer descriptor
	char *pBuffer;
	unsigned int bufferSize;
	// Following stands as UDP static variables
	AT91PS_UDP pUdp;        // Pointer to UDP registers
	char eot;
} AT91S_SVC_USBCTL, *AT91PS_SVC_USBCTL;

typedef void (*AT91PF_SVC_USBCTL_DispatchSetup)  (AT91PS_SVC_USBCTL);
typedef void (*AT91PF_SVC_USBCTL_RWComplete)  (AT91PS_SVC_USBCTL);

//* ====================================================================================
extern AT91PS_SVC_USBCTL AT91F_SVC_USBCTL_Open(
	AT91PS_SVC_USBCTL pSvcUdp,  // \arg Pointer to an USBCTL service previously allocated
	AT91PS_UDP pUdp);           // \arg Pointer to UDP registers

extern void AT91F_SVC_USBCTL_Handler(
	AT91PS_SVC_USBCTL pSvcUdp);    // Pointer to an USBCTL service

extern void AT91F_SVC_USBCTL_Write(
	AT91PS_SVC_USBCTL pSvcUdp,     // Pointer to an USBCTL service
	const char *pBuffer,                 // Pointer to the client buffer to send
	unsigned int bufferSize,       // Client buffer size
	AT91PF_SVC_USBCTL_RWComplete Callback); // Callback to invoke when buffer is Sent

extern void AT91F_SVC_USBCTL_Read(
	AT91PS_SVC_USBCTL pSvcUdp,     // Pointer to an USBCTL service
	char *pBuffer,          // Pointer to the client buffer to fill
	unsigned int bufferSize,       // Client buffer size
	AT91PF_SVC_USBCTL_RWComplete Callback); // Callback to invoke when buffer is Full

#endif // AT91_SVC_USBCTL