chap_9.h

周立功的LPC214x固件程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			Chap_9.h
** Last modified Date:	2005-8-6
** Last Version:		V1.0
** Descriptions:		chap_9.c头文件, 实现USB1.1协议
**						The header file of chap_9.c, realize USB1.1 protocol
**------------------------------------------------------------------------------------------------------
** Created by:			郑明远 		MingYuan Zheng
** Created date:		2005-8-6
** Version:				V1.0
** Descriptions:		初始版本	The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			
** Modified date:
** Version:				
** Descriptions:
**
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version:	
** Descriptions: 
**
********************************************************************************************************/

#ifndef __CHAP_9_H__
#define __CHAP_9_H__

#define MSB(x)    (((x) >> 8) & 0xFF)

#define MAX_ENDPOINTS      						  (INT8U)0x3

// the value of Get Status command 
#define USB_GETSTATUS_SELF_POWERED                0x01
#define USB_GETSTATUS_REMOTE_WAKEUP_ENABLED       0x02

/********* USB Status value  **************/ 
#define USB_IDLE           0
#define USB_TRANSMIT       1
#define USB_RECEIVE        2


   //*************************************************************************
   // Chap_9.c  used structure
   //*************************************************************************

typedef struct _device_request				 //该结构体是根据USB1.1协议的设备请求规范来定义的
{													
	INT8U bmRequestType;						//请求类型
	INT8U bRequest;								//USB请求
	INT16U wValue;								//USB数值
	INT16U wIndex;								//USB请求索引
	INT16U wLength;								//长度
} DEVICE_REQUEST;


/*********** control transfer structure ************/
#define MAX_CONTROLDATA_SIZE	64

typedef struct _control_xfer				
{
	DEVICE_REQUEST DeviceRequest;				 //USB控制传输结构体  8 bytes  见struct _device_request
	INT16U wLength;								 //传输数据的总字节数
	INT16U wCount;								 //传输字节数统计
	INT8U * pData;								 //传输数据的指针
	INT8U dataBuffer[MAX_CONTROLDATA_SIZE];		 //请求的数据
} CONTROL_XFER;


   //*************************************************************************
   // USB standard device request service program
   //*************************************************************************

void get_status(void);
void clear_feature(void);
void set_feature(void);
void set_address(void);
void get_descriptor(void);
void get_configuration(void);
void set_configuration(void);
void get_interface(void);
void set_interface(void);
void reserved(void);
void stall_ep0(void);
void ep0_txdone(void);
void ep0_rxdone(void);

void init_unconfig(void);
void init_config(void);
void single_transmit(INT8U * pData, INT8U len);
void code_transmit(INT8U * pRomData, INT16U len);
void control_handler(void);

#endif