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基于OHCI的USB主机 —— USB设备常量定义

發(fā)布時間：2025/3/20 编程问答 18 豆豆

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USB設備枚舉過程中使用到的常量定義如下：

/*-------------------------------------------------------------------------

?* Standard Chapter 9 definition

?*-------------------------------------------------------------------------

?*/

#define GET_STATUS????? 0x00?????????????????????????????????????????????? ?????? ?

#define CLEAR_FEATURE?? 0x01

#define SET_FEATURE???? 0x03

#define SET_ADDRESS???? 0x05

#define GET_DESCRIPTOR? 0x06

#define SET_DESCRIPTOR? 0x07

#define GET_CONFIG????? 0x08

#define SET_CONFIG????? 0x09

#define GET_INTERFACE?? 0x0a

#define SET_INTERFACE?? 0x0b

#define SYNCH_FRAME???? 0x0c

#define DESC_DEVICE????????? 0x0100

#define DESC_CONFIGURATION?? 0x0200

#define DESC_STRING????????? 0x0300

#define DESC_INTERFACE?????? 0x0400

#define DESC_ENDPOINT??????? 0x0500

#define USB_BUF_SIZE 512

#define ENUM_DEV_IDLE????????????? 0

#define ENUM_DEV_SEND_DEV_DESC_0?? 1

#define ENUM_DEV_SET_ADDRESS?????? 2

#define ENUM_DEV_GET_DESC_CFG????? 3

#define ENUM_DEV_FILL_DESC_DEV???? 4

#define ENUM_DEV_SEND_DEV_DESC_1?? 5

#define ENUM_DEV_FILL_DESC_SET???? 6

#define ENUM_DEV_SET_INTERFACE???? 7

#define ENUM_DEV_SET_CONFIGURATION 8

#define ENUM_DEV_GET_CONFIGURATION 9

#define ENUM_DEV_CHECK_CONFIG????? 10

#define ENUM_DEV_CHECK_INTERFACE?? 11

#define ENUM_DEV_WAIT_CMD_OVER???? 12

#define ENUM_DEV_WAIT_RESET_OVER?? 13

#define ENUM_DEV_GET_MAX_LUN?????? 14

#define ENUM_DEV_CHECK_MAX_LUN???? 15

#define ENUM_DEV_RESET_ING???????? 16

#define ENUM_DEV_IDLE_DALAY??????? 17

#define ENUM_DEV_OVER????????????? 100

#define USB_CMD_OVER??????????? 100

#define DEV_ERROR_TD??????????? 1

#define DEV_ERROR_CONFIGURATION??? 2

#define DEV_ERROR_RESET_TIME_OUT?? 3

#define USB_DEV_ENUM_OK??????????? 1

#define USB_DEV_NOT_CONNECTED????? 2

#define CC_STALL??????????????? 4

#define DESC_TYPE_DEVICE??????? 1

#define DESC_TYPE_CONFIG??????? 2

#define DESC_TYPE_INTERFACE??????? 3

#define DESC_TYPE_END_POINT??????? 4

typedef struct _ENUM_USB_DEV

{

??? unsigned char state;

??? unsigned char newState;

??? unsigned char oldState;

??? //unsigned char count;

??? unsigned char errReason;

??? //unsigned int delay;

}ENUM_USB_DEV;

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