95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/**
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(c) 2006, Bertrik Sikken, bertrik@sikken.nl
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definitions of structure of standard USB packets
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*/
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#ifndef _USBSTRUCT_H_
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#define _USBSTRUCT_H_
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#include "type.h"
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/** setup packet definitions */
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typedef struct {
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U8 bmRequestType; /**< characteristics of the specific request */
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U8 bRequest; /**< specific request */
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U16 wValue; /**< request specific parameter */
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U16 wIndex; /**< request specific parameter */
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U16 wLength; /**< length of data transfered in data phase */
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} TSetupPacket;
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#define REQTYPE_GET_DIR(x) (((x)>>7)&0x01)
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#define REQTYPE_GET_TYPE(x) (((x)>>5)&0x03)
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#define REQTYPE_GET_RECIP(x) ((x)&0x1F)
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#define REQTYPE_DIR_TO_DEVICE 0
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#define REQTYPE_DIR_TO_HOST 1
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#define REQTYPE_TYPE_STANDARD 0
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#define REQTYPE_TYPE_CLASS 1
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#define REQTYPE_TYPE_VENDOR 2
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#define REQTYPE_TYPE_RESERVED 3
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#define REQTYPE_RECIP_DEVICE 0
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#define REQTYPE_RECIP_INTERFACE 1
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#define REQTYPE_RECIP_ENDPOINT 2
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#define REQTYPE_RECIP_OTHER 3
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/* standard requests */
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#define REQ_GET_STATUS 0x00
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#define REQ_CLEAR_FEATURE 0x01
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#define REQ_SET_FEATURE 0x03
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#define REQ_SET_ADDRESS 0x05
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#define REQ_GET_DESCRIPTOR 0x06
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#define REQ_SET_DESCRIPTOR 0x07
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#define REQ_GET_CONFIGURATION 0x08
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#define REQ_SET_CONFIGURATION 0x09
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#define REQ_GET_INTERFACE 0x0A
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#define REQ_SET_INTERFACE 0x0B
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#define REQ_SYNCH_FRAME 0x0C
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/* class requests HID */
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#define HID_GET_REPORT 0x01
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#define HID_GET_IDLE 0x02
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#define HID_GET_PROTOCOL 0x03
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#define HID_SET_REPORT 0x09
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#define HID_SET_IDLE 0x0A
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#define HID_SET_PROTOCOL 0x0B
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/* feature selectors */
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#define FEA_ENDPOINT_HALT 0x00
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#define FEA_REMOTE_WAKEUP 0x01
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#define FEA_TEST_MODE 0x02
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/*
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USB descriptors
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*/
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/** USB descriptor header */
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typedef struct {
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U8 bLength; /**< descriptor length */
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U8 bDescriptorType; /**< descriptor type */
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} TUSBDescHeader;
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#define DESC_DEVICE 1
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#define DESC_CONFIGURATION 2
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#define DESC_STRING 3
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#define DESC_INTERFACE 4
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#define DESC_ENDPOINT 5
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#define DESC_DEVICE_QUALIFIER 6
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#define DESC_OTHER_SPEED 7
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#define DESC_INTERFACE_POWER 8
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#define DESC_HID_HID 0x21
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#define DESC_HID_REPORT 0x22
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#define DESC_HID_PHYSICAL 0x23
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#define GET_DESC_TYPE(x) (((x)>>8)&0xFF)
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#define GET_DESC_INDEX(x) ((x)&0xFF)
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#endif /* _USBSTRUCT_H_ */
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