📄 usb.h
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#ifndef __USB_H__
#define __USB_H__
#include "common.h"
#define MAXIMUM_USB_STRING_LENGTH 255
// values for the bits returned by the USB GET_STATUS command
#define USB_GETSTATUS_SELF_POWERED 0x01
#define USB_GETSTATUS_REMOTE_WAKEUP_ENABLED 0x02
#define USB_DEVICE_DESCRIPTOR_TYPE 0x01
#define USB_CONFIGURATION_DESCRIPTOR_TYPE 0x02
#define USB_STRING_DESCRIPTOR_TYPE 0x03
#define USB_INTERFACE_DESCRIPTOR_TYPE 0x04
#define USB_ENDPOINT_DESCRIPTOR_TYPE 0x05
#define USB_POWER_DESCRIPTOR_TYPE 0x06
#define STR_INDEX_LANGUAGE 0x00
#define STR_INDEX_MANUFACTURER 0x01
#define STR_INDEX_PRODUCT 0x02
#define STR_INDEX_SERIALNUMBER 0x03
#define STR_INDEX_CONFIGURATION 0x04
#define STR_INDEX_INTERFACE 0x05
#define USB_DESCRIPTOR_MAKE_TYPE_AND_INDEX(d, i) ((USHORT)((USHORT)d<<8 | i))
//
// Values for bmAttributes field of an
// endpoint descriptor
//
#define USB_ENDPOINT_TYPE_MASK 0x03
#define USB_ENDPOINT_TYPE_CONTROL 0x00
#define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01
#define USB_ENDPOINT_TYPE_BULK 0x02
#define USB_ENDPOINT_TYPE_INTERRUPT 0x03
//
// definitions for bits in the bmAttributes field of a
// configuration descriptor.
//
#define USB_CONFIG_POWERED_MASK 0xc0
#define USB_CONFIG_BUS_POWERED 0x80
#define USB_CONFIG_SELF_POWERED 0x40
#define USB_CONFIG_REMOTE_WAKEUP 0x20
//
// Endpoint direction bit, stored in address
//
#define USB_ENDPOINT_DIRECTION_MASK 0x80
//
// USB defined request codes
// see chapter 9 of the USB 1.0 specifcation for
// more information.
//
#define USB_REQUEST_GET_STATUS 0x00
#define USB_REQUEST_CLEAR_FEATURE 0x01
#define USB_REQUEST_SET_FEATURE 0x03
#define USB_REQUEST_SET_ADDRESS 0x05
#define USB_REQUEST_GET_DESCRIPTOR 0x06
#define USB_REQUEST_SET_DESCRIPTOR 0x07
#define USB_REQUEST_GET_CONFIGURATION 0x08
#define USB_REQUEST_SET_CONFIGURATION 0x09
#define USB_REQUEST_GET_INTERFACE 0x0A
#define USB_REQUEST_SET_INTERFACE 0x0B
#define USB_REQUEST_SYNC_FRAME 0x0C
//
// defined USB device classes
//
#define USB_DEVICE_CLASS_RESERVED 0x00
#define USB_DEVICE_CLASS_AUDIO 0x01
#define USB_DEVICE_CLASS_COMMUNICATIONS 0x02
#define USB_DEVICE_CLASS_HUMAN_INTERFACE 0x03
#define USB_DEVICE_CLASS_MONITOR 0x04
#define USB_DEVICE_CLASS_PHYSICAL_INTERFACE 0x05
#define USB_DEVICE_CLASS_POWER 0x06
#define USB_DEVICE_CLASS_PRINTER 0x07
#define USB_DEVICE_CLASS_STORAGE 0x08
#define USB_DEVICE_CLASS_HUB 0x09
#define USB_DEVICE_CLASS_VENDOR_SPECIFIC 0xFF
//
// USB defined Feature selectors
//
#define USB_FEATURE_ENDPOINT_STALL 0x0000
#define USB_FEATURE_REMOTE_WAKEUP 0x0001
#define USB_FEATURE_POWER_D0 0x0002
#define USB_FEATURE_POWER_D1 0x0003
#define USB_FEATURE_POWER_D2 0x0004
#define USB_FEATURE_POWER_D3 0x0005
typedef struct _USB_DEVICE_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bcdUSB_L;
UCHAR bcdUSB_H;
UCHAR bDeviceClass;
UCHAR bDeviceSubClass;
UCHAR bDeviceProtocol;
UCHAR bMaxPacketSize0;
UCHAR idVendor_L;
UCHAR idVendor_H;
UCHAR idProduct_L;
UCHAR idProduct_H;
UCHAR bcdDevice_L;
UCHAR bcdDevice_H;
UCHAR iManufacturer;
UCHAR iProduct;
UCHAR iSerialNumber;
UCHAR bNumConfigurations;
} USB_DEVICE_DESCRIPTOR, *PUSB_DEVICE_DESCRIPTOR;
//
// values for bmAttributes Field in
// USB_CONFIGURATION_DESCRIPTOR
//
#define BUS_POWERED 0x80
#define SELF_POWERED 0x40
#define REMOTE_WAKEUP 0x20
typedef struct _USB_CONFIGURATION_DESCRIPTOR_a {
UCHAR bLength_C;//9
UCHAR bDescriptorType_C;
UCHAR wTotalLength_C_L;
UCHAR wTotalLength_C_H;
UCHAR bNumInterfaces_C;
UCHAR bConfigurationValue_C;
UCHAR iConfiguration_C;
UCHAR bmAttributes_C;
UCHAR MaxPower_C;
//typedef struct _USB_INTERFACE_DESCRIPTOR {_0
UCHAR bLength_I0;//9
UCHAR bDescriptorType_I0;
UCHAR bInterfaceNumber_I0;
UCHAR bAlternateSetting_I0;
UCHAR bNumEndpoints_I0;
UCHAR bInterfaceClass_I0;
UCHAR bInterfaceSubClass_I0;
UCHAR bInterfaceProtocol_I0;
UCHAR iInterface_I0;
/*
//typedef struct _USB_INTERFACE_DESCRIPTOR {_1
UCHAR bLength_I1;//9
UCHAR bDescriptorType_I1;
UCHAR bInterfaceNumber_I1;
UCHAR bAlternateSetting_I1;
UCHAR bNumEndpoints_I1;
UCHAR bInterfaceClass_I1;
UCHAR bInterfaceSubClass_I1;
UCHAR bInterfaceProtocol_I1;
UCHAR iInterface_I1;
*/
//typedef struct _USB_ENDPOINT_DESCRIPTOR {_P1
UCHAR bLength_P1;//7
UCHAR bDescriptorType_P1;
UCHAR bEndpointAddress_P1;
UCHAR bmAttributes_P1;
UCHAR wMaxPacketSize_P1_L;
UCHAR wMaxPacketSize_P1_H;
UCHAR bInterval_P1;
//typedef struct _USB_ENDPOINT_DESCRIPTOR {_P2
UCHAR bLength_P2;//7
UCHAR bDescriptorType_P2;
UCHAR bEndpointAddress_P2;
UCHAR bmAttributes_P2;
UCHAR wMaxPacketSize_P2_L;
UCHAR wMaxPacketSize_P2_H;
UCHAR bInterval_P2;
//typedef struct _USB_ENDPOINT_DESCRIPTOR {_P3
UCHAR bLength_P3;//7
UCHAR bDescriptorType_P3;
UCHAR bEndpointAddress_P3;
UCHAR bmAttributes_P3;
UCHAR wMaxPacketSize_P3_L;
UCHAR wMaxPacketSize_P3_H;
UCHAR bInterval_P3;
//typedef struct _USB_ENDPOINT_DESCRIPTOR {_P4
UCHAR bLength_P4;//7
UCHAR bDescriptorType_P4;
UCHAR bEndpointAddress_P4;
UCHAR bmAttributes_P4;
UCHAR wMaxPacketSize_P4_L;
UCHAR wMaxPacketSize_P4_H;
UCHAR bInterval_P4;
} USB_CONFIGURATION_DESCRIPTOR_a, *PUSB_CONFIGURATION_DESCRIPTOR_a;
typedef struct _USB_CONFIGURATION_DESCRIPTOR {
//CONF// 9
unsigned char bLength1;
unsigned char bDescriptorType1;
// USHORT wTotalLength1;
unsigned int bTotalLength1;
unsigned char bNumInterfaces1;
unsigned char bConfigurationValue1;
unsigned char iConfiguration1;
unsigned char bmAttributes1;
unsigned char MaxPower1;
//INFACE 9
unsigned char bLength2;
unsigned char bDescriptorType2;
unsigned char bInterfaceNumber2;
unsigned char bAlternateSetting2;
unsigned char bNumEndpoints2;
unsigned char bInterfaceClass2;
unsigned char bInterfaceSubClass2;
unsigned char bInterfaceProtocol2;
unsigned char iInterface2;
//HIT 9
// unsigned char bLengthH;
// unsigned char bDescriptorTypeH;
// unsigned int bcdHIDH;
// unsigned char bCountryCodeH;
// unsigned char bNumDescriptorsH;
// unsigned char bReportDescriptorTypeH;
// unsigned int wItemLengthH;
//P0 /7
unsigned char bLength3;
unsigned char bDescriptorType3;
unsigned char bEndpointAddress3;
unsigned char bmAttributes3;
unsigned int wMaxPacketSize3;
unsigned char bInterval3;
//P1
unsigned char bLength4;
unsigned char bDescriptorType4;
unsigned char bEndpointAddress4;
unsigned char bmAttributes4;
unsigned int wMaxPacketSize4;
unsigned char bInterval4;
//P2
unsigned char bLength5;
unsigned char bDescriptorType5;
unsigned char bEndpointAddress5;
unsigned char bmAttributes5;
unsigned int wMaxPacketSize5;
unsigned char bInterval5;
//P3
unsigned char bLength6;
unsigned char bDescriptorType6;
unsigned char bEndpointAddress6;
unsigned char bmAttributes6;
unsigned int wMaxPacketSize6;
unsigned char bInterval6;
} USB_CONFIGURATION_DESCRIPTOR, *PUSB_CONFIGURATION_DESCRIPTOR;
typedef struct _USB_INTERFACE_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bInterfaceNumber;
UCHAR bAlternateSetting;
UCHAR bNumEndpoints;
UCHAR bInterfaceClass;
UCHAR bInterfaceSubClass;
UCHAR bInterfaceProtocol;
UCHAR iInterface;
} USB_INTERFACE_DESCRIPTOR, *PUSB_INTERFACE_DESCRIPTOR;
typedef struct _USB_ENDPOINT_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bEndpointAddress;
UCHAR bmAttributes;
USHORT wMaxPacketSize;
UCHAR bInterval;
} USB_ENDPOINT_DESCRIPTOR, *PUSB_ENDPOINT_DESCRIPTOR;
//typedef struct _USB_STRING_LANGUAGE_DESCRIPTOR {
// UCHAR bLengthL;/
// UCHAR bDescriptorTypeL;
// UCHAR ulanguageID_LL;
// UCHAR ulanguageID_HL;
//} USB_STRING_LANGUAGE_DESCRIPTOR,*PUSB_STRING_LANGUAGE_DESCRIPTOR;
typedef struct _USB_STRING_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bString[1];
} USB_STRING_DESCRIPTOR, *PUSB_STRING_DESCRIPTOR;
//
// USB power descriptor added to core specification
//
#define USB_SUPPORT_D0_COMMAND 0x01
#define USB_SUPPORT_D1_COMMAND 0x02
#define USB_SUPPORT_D2_COMMAND 0x04
#define USB_SUPPORT_D3_COMMAND 0x08
#define USB_SUPPORT_D1_WAKEUP 0x10
#define USB_SUPPORT_D2_WAKEUP 0x20
typedef struct _USB_POWER_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
UCHAR bCapabilitiesFlags;
USHORT EventNotification;
USHORT D1LatencyTime;
USHORT D2LatencyTime;
USHORT D3LatencyTime;
UCHAR PowerUnit;
USHORT D0PowerConsumption;
USHORT D1PowerConsumption;
USHORT D2PowerConsumption;
} USB_POWER_DESCRIPTOR, *PUSB_POWER_DESCRIPTOR;
typedef struct _USB_COMMON_DESCRIPTOR {
UCHAR bLength;
UCHAR bDescriptorType;
} USB_COMMON_DESCRIPTOR, *PUSB_COMMON_DESCRIPTOR;
//
// Standard USB HUB definitions
//
// See Chapter 11
//
typedef struct _USB_HUB_DESCRIPTOR {
UCHAR bDescriptorLength; // Length of this descriptor
UCHAR bDescriptorType; // Hub configuration type
UCHAR bNumberOfPorts; // number of ports on this hub
USHORT wHubCharacteristics; // Hub Charateristics
UCHAR bPowerOnToPowerGood; // port power on till power good in 2ms
UCHAR bHubControlCurrent; // max current in mA
//
// room for 255 ports power control and removable bitmask
UCHAR bRemoveAndPowerMask[64];
} USB_HUB_DESCRIPTOR, *PUSB_HUB_DESCRIPTOR;
#endif
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