descp_ms.h

關於USB鼠標

//*****************************************************************************************
// Constant specific to USB Slave Descriptors
//*****************************************************************************************
#define DEV_LEN		0x12			// Device Descriptor Length
#define HID_LEN		0x09			// HID-Class Descriptor Length
#define CFG_LEN		0x22			// Configuration Descriptor Length
#define REP_LEN		0x34			// HID Report Descriptor Length
#define EP0_LEN     0x10

#include "std_defs.h"
#include "chap_9.h"

#define code

//---------------------------------------------------------------------------------------------------------------------
// DEVICE DESCRIPTOR
//---------------------------------------------------------------------------------------------------------------------
code BYTE	Dev_Descp[] = {	DEV_LEN,			// bLength: Size of descriptor
							0x01,				// bDescriptorType: Device	
							0x10,0x01,			// bcdUSB: USB 1.1
							0x00,				// bDeviceClass: none
							0x00,				// bDeviceSubClass: none
							0x00,				// bDeviceProtocol: none
							EP0_LEN,			// bMaxPacketSize0: 16 bytes
							0x88,0x88,			// idVendor
							0x02,0x00,			// idProduct
							0x00,0x01,			// bcdDevice: version 1.0
							STR_INDEX_MANUFACTURER,				// iManufacturer
							STR_INDEX_PRODUCT,					// iProduct
							0x00,				// iSerialNumber: none
							0x01};				// bNumConfigurations: 1

//---------------------------------------------------------------------------------------------------------------------
// CONFIGURATION DESCRIPTOR
//---------------------------------------------------------------------------------------------------------------------
code BYTE	Cfg_Descp[] = {	0x09,				// bLength: Size of descriptor
							0x02,				// bDescriptorType: Configuration	
							CFG_LEN,0x00,		// wTotalLength: Cfg+Ifc+Class+Ep = 34 bytes
							0x01,				// bNumInterfaces: 1 interface
							0x01,				// bConfigurationValue: 1
							0x00,				// iConfiguration: none
							0xA0,				// bmAttributes: bus-powered, remote-wakeup
							0x32,				// MaxPower: 100mA

//---------------------------------------------------------------------------------------------------------------------
// INTERFACE DESCRIPTOR
//---------------------------------------------------------------------------------------------------------------------
							0x09,				// bLength: Size of descriptor
							0x04,				// bDescriptorType: Interface
							0x00,				// bInterfaceNumber: #0
							0x00,				// bAlternateSetting: #0
							0x01,				// bNumEndpoints: 1
							0x03,				// bInterfaceClass: HID-class
							0x01,				// bInterfaceSubClass
							0x02,				// bInterfaceProtocol: Mouse
							0x00,				// iInterface: none

//---------------------------------------------------------------------------------------------------------------------
// HID-CLASS DESCRIPTOR
//---------------------------------------------------------------------------------------------------------------------
							0x09,				// bLength: Size of descriptor
							0x21,				// bDescriptorType: HID Class
							0x01,0x01,			// bcdHID: HID Class version 1.1
							0x00,				// bCountryCode: none
							0x01,				// bNumDescriptors: 1 report descp
							0x22,				// bDescriptorType: report descriptor type
							REP_LEN,0x00,		// wDescriptorLength: 31 bytes

//---------------------------------------------------------------------------------------------------------------------
// ENDPOINT DESCRIPTOR
//---------------------------------------------------------------------------------------------------------------------
							0x07,				// bLength: Size of descriptor
							0x05,				// bDescriptorType: Endpoint
							0x81,				// bEndpointAddress: IN, EP1
							0x03,				// bmAttributes: Interrupt
							0x10,0x00,			// wMaxPacketSize: EP1_LEN -> 0x10
							0x0A};				// bInterval: 10ms

//---------------------------------------------------------------------------------------------------------------------
// REPORT DESCRIPTOR

code BYTE	Rep_Descp[] = {	0x05, 0x01,    // Usage Page (Generic Desktop),         
							0x09, 0x02,    // Usage (Mouse),                                                      
							0xA1, 0x01,    // Collection (Application),                                           
							0x09, 0x01,    //   Usage (Pointer),                                                    
							0xA1, 0x00,    //   Collection (Physical),                                              
							0x05, 0x09,    //     Usage Page (Buttons),                                               
							0x19, 0x01,    //     Usage Minimum (01),                                                 
							0x29, 0x03,    //     Usage Maximun (03),                                                 
							0x15, 0x00,    //     Logical Minimum (0),                                                
							0x25, 0x01,    //     Logical Maximum (1),                                                
							0x95, 0x03,    //     Report Count (3),                                                   
							0x75, 0x01,    //     Report Size (1),                                                    
							0x81, 0x02,    //     Input (Data, Variable, Absolute), ;3 button bits                    
							0x95, 0x01,    //     Report Count (1),                                                   
							0x75, 0x05,    //     Report Size (5),                                                    
							0x81, 0x01,    //     Input (Constant), ;5 bit padding                                    
							0x05, 0x01,    //     Usage Page (Generic Desktop),                                       
							0x09, 0x30,    //     Usage (X),                                                          
							0x09, 0x31,    //     Usage (Y),                                                          
							0x09, 0x38,    //     Usage (Wheel),                                                          
							0x15, 0x81,    //     Logical Minimum (-127),                                             
							0x25, 0x7F,    //     Logical Maximum (127),                                              
							0x75, 0x08,    //     Report Size (8),                                                    
							0x95, 0x03,    //     Report Count (3),                                                   
							0x81, 0x06,    //     Input (Data, Variable, Relative), ;2 position bytes (X & Y)         
							0xC0,          //   End Collection,                                                     
							0xC0};         // End Collection                                             

//---------------------------------------------------------------------------------------------------------------------
// STRING DESCRIPTOR
//---------------------------------------------------------------------------------------------------------------------
code BYTE LangString[] = {4,3,9,4};
code BYTE MfgString[]  = {12,3,'C',0,'h',0,'i',0,'n',0,'a',0};
code BYTE ProdString[] = {72,3,'N',0,'o',0,'S',0,'t',0,'o',0,'p',0,' ',0,'P',
							0,'D',0,'I',0,'U',0,'S',0,'B',0,'D',0,'1',0,'2',0,
							' ',0,'H',0,'I',0,'D',0,' ',0,'D',0,'e',0,'m',0,
							'o',0,'-',0,'U',0,'S',0,'B',0,' ',0,'M',0,'o',0,
							'u',0,'s',0,'e',0};