📄 usb20.h
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/******************************************************************************** **** Copyright (c) 2002 ST Microelectronics **** All rights reserved **** **** Filename : usb20.h **** Author : Armando Visconti **** Revision : 1.0 **** **** **** *********************************************************************************/#ifndef ___USB20_HEADER#define ___USB20_HEADER#ifdef __cplusplusextern "C" { /* C declarations in C++ */#endif//*****************************************************************************//* Defines for UDC//*****************************************************************************/* * This file contains declarations according to Chapter 9 of * the "Universal Serial Bus Specification Revision 2.0". */ /*********************************************************** * USB Requests. ***********************************************************/ // This struct is 8 bytes long.//typedef struct// {// char bmReqType;// char bReq;// short wValue;// short wIndex;// short wLen;// } UsbSetup;// USB device requests, the setup packet.//// The structure is defined entirely in terms of bytes, eliminating// any confusion about who is supposed to swap what when. This avoids// endianness-related portability problems, and eliminates any need// to worry about alignment. Also for some requests the value field// is split into separate bytes anyway.typedef struct { unsigned char bmReqType; unsigned char bReq; unsigned char wValue_lo; unsigned char wValue_hi; unsigned char wIndex_lo; unsigned char wIndex_hi; unsigned char wLen_lo; unsigned char wLen_hi;} UsbSetup; // USB Standard Request Opcode#define USB_GET_STATUS 0#define USB_CLEAR_FEATURE 1#define USB_RESERVED1 2#define USB_SET_FEATURE 3#define USB_RESERVED2 4#define USB_SET_ADDRESS 5#define USB_GET_DESCRIPTOR 6#define USB_SET_DESCRIPTOR 7#define USB_GET_CONFIGURATION 8#define USB_SET_CONFIGURATION 9#define USB_GET_INTERFACE 10#define USB_SET_INTERFACE 11#define USB_SYNCH_FRAME 12// USB Printer Class Specific Request Opcode#define USB_GET_DEVICE_ID 0#define USB_GET_PORT_STATUS 1#define USB_SOFT_RESET 2// USB Request Type#define USB_DIR_MASK 0x80#define USB_DIR_TO_DEV 0x00#define USB_DIR_TO_HOST 0x80#define USB_TYPE_MASK 0x60#define USB_TYPE_STANDARD 0x00#define USB_TYPE_CLASS 0x20#define USB_TYPE_VENDOR 0x40#define USB_DEST_MASK 0x1F#define USB_DEST_DEV 0x00#define USB_DEST_INTERFACE 0x01#define USB_DEST_ENDPT 0x02// USB Descriptor Types#define USB_DEVICE 0x01#define USB_CONFIGURATION 0x02#define USB_STRING 0x03#define USB_INTERFACE 0x04#define USB_ENDPOINT 0x05#define USB_DEVICE_QUALIFIER 0X06#define USB_OTHER_SPEED_CONFIGURATION 0X07#define USB_INTERFACE_POWER 0X08// USB Descriptor Lengths#define USB_DEVICE_LEN 0x12#define USB_CONFIGURATION_LEN 0x09#define USB_INTERFACE_LEN 0x09#define USB_ENDPOINT_LEN 0x07#define USB_DEVICE_QUALIFIER_LEN 0X0A#define USB_OTHER_SPEED_CONFIGURATION_LEN 0x09/*********************************************************** * USB Descriptors. ***********************************************************/ /* * Device Descriptor */typedef struct { char bLength; // Size of this Descriptor in bytes. char bDescrType; // USB_DEVICE Descriptor Type. short bcdUSB; // USB Specification Rel # (in BCD). char bDevClass; // Device Class code. char bDevSubClass; // Device SubClass code. char bDevProtocol; // Device Protocol code. char bMaxPacketSize; // Endpoint 0 maximum packet size. short idVendor; // Vendor ID code. short idProduct; // Product ID code. short bcdDevice; // Device Rel # (in BCD). char iManufacturer; // Index of string descriptor for Manufacturer. char iProduct; // Index of string descriptor for Product. char iSerialNumber; // Index of string descriptor for Serial #. char bNumConfigurations; // # of configurations. } UsbDevDescr;/* Printer Device Descriptor definitions */#define USB_DEV_LENGTH 0x12 #define USB_DEV_SPEC_NUM 0x0100#define USB_DEV_CLASS 0x00#define USB_DEV_SUBCLASS 0x00#define USB_DEV_PROTOCOL 0x00#define USB_DEV_MAXPCKSZ0 0x40#define USB_DEV_VENDOR_ID 0x00 // (TODO)#define USB_DEV_PRODUCT_ID 0x00 // (TODO)#define USB_DEV_RELEASE_NUM 0x00 // (TODO)#define USB_DEV_RELEASE_NUM 0x00 // (TODO)#define USB_DEV_MFG_STR 0x00 // String not supported (0x00)#define USB_DEV_PRODUCT_STR 0x00 // String not supported (0x00)#define USB_DEV_SERIAL_STR 0x00 // String not supported (0x00)#define USB_DEV_CFG_NUM 0x01 #define USB_DESCR_MASK 0xFF/* * Configuration Descriptor */typedef struct { char bLength; // Size of this Descriptor in bytes. char bDescrType; // USB_CONFIGURATION Descriptor Type. short bTotalLen; // Total byte len (CFG descr + IF descrs + ENDPT descrs). char bNumIfs; // Number of interfaces belonging to this configuration. char bCfgValue; // Configuration selector. char iCfg; // Index of string descriptor for this configuration. char bmAttrs; // Configuration characteristics char MaxPower; // Maximum power consumption for this configuration. } UsbCfgDescr;/* Printer Configuration Descriptor definitions */#define USB_CFG_LENGTH 0x09 #define USB_CFG_IF_NUM 0x01#define USB_CFG_SELECT 0x01#define USB_CFG_STR 0x00#define USB_CFG_ATTR 0x60#define USB_CFG_MAXPOWER 0x00 /* * Interface Descriptor */typedef struct { char bLength; // Size of this Descriptor in bytes. char bDescrType; // USB_INTERFACE Descriptor Type. char bIfNum; // Interface number. char bAltSet; // Alternative setting. char bNumEndpts; // Number of endpoints selector. char bIfClass; // Interface class. char bIfSubClass; // Interface sub-class. char bIfProto; // Interface protocol char iInterface; // Index of string describing interface. } UsbIfDescr;/* Printer Interface Descriptor definitions */#define USB_IF_LENGTH 0x09#define USB_IF_NUM 0x00#define USB_IF_ALT_SETT 0x00#define USB_IF_ENDPT_NUM 0x04#define USB_IF_CLASS 0x07#define USB_IF_SUBCLASS 0x01#define USB_IF_PROTO 0x02#define USB_IF_STR 0x00/* * Endpoint Descriptor */typedef struct { char bLength; // Size of this Descriptor in bytes. char bDescrType; // USB_ENDPOINT Descriptor Type. char bEndPtAddr; // Endpoint address. char bmAttr; // Endpoint attributes. short wMaxPacketSize; // Endpoint maximum packet size. char bInterval; // Endpoint interval. } UsbEndPtDescr;/* Printer Bulk-OUT Endpoint Descriptor definitions */#define USB_BLKOUT1_LENGTH 0x09 #define USB_BLKOUT1_ADDR 0x01 #define USB_BLKOUT1_ATTR 0x02#define USB_BLKOUT1_MAXPCKSZ 0x40 /* (non deve essere in word? per gli endpoint*/ #define USB_BLKOUT1_INTERVAL 0x00 /* bulk la max dimens. del pacchetto e' 512byte.*/#define USB_BLKOUT3_LENGTH 0x09 #define USB_BLKOUT3_ADDR 0x03 #define USB_BLKOUT3_ATTR 0x02#define USB_BLKOUT3_MAXPCKSZ 0x40 ??????#define USB_BLKOUT3_INTERVAL 0x00/* Printer Bulk-IN Endpoint Descriptor definitions */#define USB_BLKIN2_LENGTH 0x09#define USB_BLKIN2_ADDR 0x82#define USB_BLKIN2_ATTR 0x02#define USB_BLKIN2_MAXPCKSZ 0x40#define USB_BLKIN2_INTERVAL 0x00#define USB_BLKIN4_LENGTH 0x09#define USB_BLKIN4_ADDR 0x84#define USB_BLKIN4_ATTR 0x02#define USB_BLKIN4_MAXPCKSZ 0x40#define USB_BLKIN4_INTERVAL 0x00 /* * String Descriptor (TBD) */#define LANGID 0x0409 /* English is 0009, neutral is 0000 */#if 0typedef enum _TRANSFER_STATE{ TransferState_NoState=0, TransferState_Ready, TransferState_Busy,} TRANSFER_STATE; //stTranferState;#define ENDPOINT_COUNT 3typedef struct _ENDPOINT_TX_INFO{ U8 *pPkt; // point to the packet being transfer U8 *pPktStart; // point to the start of the packet U32 XferRemain; // Bytes remaining in tranfer TRANSFER_STATE State; // enumState; // State of a transfer //stTransferState enumState; // State of a transfer Boolean UsingEpTransfer; U32 MaxPktSize;} EPXFERINFO, *pEPXFERINFO;EPXFERINFO EpXferInfo[3];#define BULKOUT 1#define BULKIN 2#endif#ifdef __cplusplus} /* C declarations in C++ */#endif#endif // __USB_HEADER ⌨️ 快捷键说明
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