descriptor.c

LPC2148 USB固件程序,是学习固件不可多的的范例.

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			Descriptor.c
** Last modified Date:	2005-8-6
** Last Version:		V1.0
** Descriptions:		USB 设备描述符
**						USB device descriptor
**------------------------------------------------------------------------------------------------------
** 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: 
**
********************************************************************************************************/


#include "config.h"
#include "USBConfig.h"
#include "Descriptor.h"

/* device descriptor: test device type */
#define USB_CLASS_CODE_TEST_CLASS_DEVICE                    0xdc			   /* 设备描述符: 测试设备类型 */

/* interface descriptor: subclass code */
#define USB_SUBCLASS_CODE_TEST_CLASS_D12                    0xA0			   /* 接口描述符: 子类代码 */

/* interface descriptor: protocol code */
#define USB_PROTOCOL_CODE_TEST_CLASS_D12                    0xB0			   /* 接口描述符: 协议代码 */

/* device descriptor */
const USB_DEVICE_DESCRIPTOR DeviceDescr =
{
	sizeof(USB_DEVICE_DESCRIPTOR),					// 设备描述符长度,= 12H    	   device descriptor length = 12H
	USB_DEVICE_DESCRIPTOR_TYPE,						// 设备描述符类型,= 01H        device descriptor type = 01H
	0x00,0x01,										// 协议版本,= 1.10             protocol version = 1.10
	USB_CLASS_CODE_TEST_CLASS_DEVICE,				// 测试设备类型, = 0DCH		   Class code = 0DCH
	0, 0,											// 设备子类,设备协议       	   Subclass code, Protocol code
	EP0_PACKET_SIZE,								// 端点0最大数据包大小,= 40H   Maximum packet size for endpoint 0, = 40H
	0x71,0x04,										// PHILIPS公司的设备ID	       Vendor ID = PHILIPS Semiconductor,Inc.	
	0x99,0x09,										// 设备制造商定的产品ID        Product ID
	0x00,0x01,										// 设备系列号                  Device release number in binary-coded decimal
	0, 0, 0,										// 索引                        Index
	1												// 可能的配置数                Number of possible configurations
};


const USB_DESCRIPTOR usb_descr =
{
//configuration descriptor							// 配置描述符
{
	sizeof(USB_CONFIGURATION_DESCRIPTOR),			// 配置描述符长度,= 09H        Size of this descriptor in bytes = 09H
	USB_CONFIGURATION_DESCRIPTOR_TYPE,				// 配置描述符类型,= 02H        configuration descriptor type = 02H
	CONFIG_DESCRIPTOR_LENGTH,0x00,					// 描述符总长度, = 002EH       Total length of data returned for this configuration, = 002EH
	1,												// 只支持1个接口               only support a interface
	1,												// 配置值                      configuration value 
	0,												// 字符串描述符指针(无)        Index of string descriptor describing this configuration(no)
	0x60,											// 自供电,支持远程唤醒         Configuration characteristics: support Self-powered, Remote Wakeup
	0x32											// 最大功耗(100mA) 			   Maximum power consumption(100mA)
},
//interface descriptor								// 接口描述符
{
	sizeof(USB_INTERFACE_DESCRIPTOR),				// 接口描述符长度,= 09H 	   Size of this descriptor in bytes = 09H
	USB_INTERFACE_DESCRIPTOR_TYPE,					// 接口描述符类型,= 04H        interface descriptor type = 04H
	0,												// 接口数,只有1个              Number of this interface, only one
	0,												// 可选配置,只有1个            optional configuration, only one
	NUM_ENDPOINTS,									// 除端点0的端点索引数目,=04H  Number of endpoints used by this interface (excluding endpoint zero) = 04H
	USB_CLASS_CODE_TEST_CLASS_DEVICE,				// 测试设备类型,= 0DCH         Class code = 0DCH
	USB_SUBCLASS_CODE_TEST_CLASS_D12,				// 子类代码,= 0A0H             Subclass code = 0A0H
	USB_PROTOCOL_CODE_TEST_CLASS_D12,				// 协议代码,= 0B0H             Protocol code = 0B0H
	0												// 字符串描述符索引            Index of string descriptor describing this interface
},
//endpoint descriptor, logic endpoint 1 IN			// 逻辑端点 1 输入	
{
	sizeof(USB_ENDPOINT_DESCRIPTOR),				// 端点描述符长度,= 07H        endpoint descriptor length = 07H
	USB_ENDPOINT_DESCRIPTOR_TYPE,					// 端点描述符类型,= 05H        endpoint descriptor type = 05H
	0x81,											// 端点1 IN                    endpoint 1 IN
	USB_ENDPOINT_TYPE_INTERRUPT,					// 中断传输, = 03H             interrupt transfer = 03H
	EP1_PACKET_SIZE,0x00,							// 端点最大包的大小,= 0010H    endpoint max packet size = 0010H
	1												// 传输间隔时间,= 10ms         Interval for polling endpoint for data transfers = 1ms
},
//endpoint descriptor, logic endpoint 1 OUT			// 逻辑端点 1 输出
{
	sizeof(USB_ENDPOINT_DESCRIPTOR),				// 端点描述符长度,= 07H        endpoint descriptor length = 07H
	USB_ENDPOINT_DESCRIPTOR_TYPE,					// 端点描述符类型,= 05H        endpoint descriptor type = 05H
	0x1,											// 端点1 OUT                   endpoint 1 OUT
	USB_ENDPOINT_TYPE_INTERRUPT,					// 中断传输,= 03H              interrupt transfer = 03H
	EP1_PACKET_SIZE,0x00,							// 端点最大包的大小,= 0010H    endpoint max packet size = 0010H
	1												// 传输间隔时间,= 10ms         Interval for polling endpoint for data transfers = 1ms
},
//endpoint descriptor, logic endpoint 2 IN			// 逻辑端点 2 输入	
{
	sizeof(USB_ENDPOINT_DESCRIPTOR),				// 端点描述符长度,= 07H  	   endpoint descriptor length = 07H
	USB_ENDPOINT_DESCRIPTOR_TYPE,					// 端点描述符类型,= 05H  	   endpoint descriptor type = 05H
	0x82,											// 端点2 IN					   endpoint 2 IN
	USB_ENDPOINT_TYPE_BULK,							// 批量传输,= 02H   		   bulk transfer = 02H
	EP2_PACKET_SIZE,0x00,							// 端点最大包的大小,= 0040H    endpoint max packet size = 0040H
	10												// 批量传输时该值无效 		   the value is invalid when bulk transfer
},
//endpoint descriptor, logic endpoint 2 OUT			// 逻辑端点 2 输出
{	
	sizeof(USB_ENDPOINT_DESCRIPTOR),				// 端点描述符长度,= 07H        endpoint descriptor length = 07H
	USB_ENDPOINT_DESCRIPTOR_TYPE,					// 端点描述符类型,= 05H		   endpoint descriptor type = 05H
	0x2,											// 端点2 OUT				   endpoint 2 OUT	
	USB_ENDPOINT_TYPE_BULK,							// 批量传输,= 02H			   bulk transfer = 02H
	EP2_PACKET_SIZE,0x00,							// 端点最大包的大小,= 0040H	   endpoint max packet size = 0040H
	10												// 批量传输时该值无效		   the value is invalid when bulk transfer
}
};

/*******************************************************************************************************
**                            End Of File
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