mirror of
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311 lines
9.2 KiB
C
311 lines
9.2 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LIBUSB20_COMPAT_01_H_
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#define _LIBUSB20_COMPAT_01_H_
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#include <sys/stdint.h>
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#include <sys/endian.h>
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#include <sys/types.h>
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#include <sys/param.h>
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/* USB interface class codes */
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#define USB_CLASS_PER_INTERFACE 0
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#define USB_CLASS_AUDIO 1
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#define USB_CLASS_COMM 2
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#define USB_CLASS_HID 3
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#define USB_CLASS_PRINTER 7
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#define USB_CLASS_PTP 6
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#define USB_CLASS_MASS_STORAGE 8
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#define USB_CLASS_HUB 9
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#define USB_CLASS_DATA 10
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#define USB_CLASS_VENDOR_SPEC 0xff
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/* USB descriptor types */
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#define USB_DT_DEVICE 0x01
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#define USB_DT_CONFIG 0x02
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#define USB_DT_STRING 0x03
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#define USB_DT_INTERFACE 0x04
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#define USB_DT_ENDPOINT 0x05
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#define USB_DT_HID 0x21
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#define USB_DT_REPORT 0x22
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#define USB_DT_PHYSICAL 0x23
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#define USB_DT_HUB 0x29
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/* USB descriptor type sizes */
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#define USB_DT_DEVICE_SIZE 18
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#define USB_DT_CONFIG_SIZE 9
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#define USB_DT_INTERFACE_SIZE 9
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#define USB_DT_ENDPOINT_SIZE 7
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#define USB_DT_ENDPOINT_AUDIO_SIZE 9
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#define USB_DT_HUB_NONVAR_SIZE 7
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/* USB descriptor header */
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struct usb_descriptor_header {
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uint8_t bLength;
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uint8_t bDescriptorType;
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};
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/* USB string descriptor */
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struct usb_string_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t wData[1];
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};
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/* USB HID descriptor */
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struct usb_hid_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdHID;
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uint8_t bCountryCode;
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uint8_t bNumDescriptors;
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/* uint8_t bReportDescriptorType; */
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/* uint16_t wDescriptorLength; */
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/* ... */
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};
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/* USB endpoint descriptor */
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#define USB_MAXENDPOINTS 32
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struct usb_endpoint_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bEndpointAddress;
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#define USB_ENDPOINT_ADDRESS_MASK 0x0f
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#define USB_ENDPOINT_DIR_MASK 0x80
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uint8_t bmAttributes;
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#define USB_ENDPOINT_TYPE_MASK 0x03
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#define USB_ENDPOINT_TYPE_CONTROL 0
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#define USB_ENDPOINT_TYPE_ISOCHRONOUS 1
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#define USB_ENDPOINT_TYPE_BULK 2
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#define USB_ENDPOINT_TYPE_INTERRUPT 3
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uint16_t wMaxPacketSize;
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uint8_t bInterval;
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uint8_t bRefresh;
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uint8_t bSynchAddress;
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uint8_t *extra; /* Extra descriptors */
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int extralen;
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};
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/* USB interface descriptor */
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#define USB_MAXINTERFACES 32
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struct usb_interface_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bInterfaceNumber;
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uint8_t bAlternateSetting;
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uint8_t bNumEndpoints;
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t iInterface;
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struct usb_endpoint_descriptor *endpoint;
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uint8_t *extra; /* Extra descriptors */
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int extralen;
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};
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#define USB_MAXALTSETTING 128 /* Hard limit */
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struct usb_interface {
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struct usb_interface_descriptor *altsetting;
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int num_altsetting;
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};
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/* USB configuration descriptor */
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#define USB_MAXCONFIG 8
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struct usb_config_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t wTotalLength;
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uint8_t bNumInterfaces;
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uint8_t bConfigurationValue;
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uint8_t iConfiguration;
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uint8_t bmAttributes;
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uint8_t MaxPower;
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struct usb_interface *interface;
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uint8_t *extra; /* Extra descriptors */
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int extralen;
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};
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/* USB device descriptor */
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struct usb_device_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdUSB;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bMaxPacketSize0;
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t iManufacturer;
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uint8_t iProduct;
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uint8_t iSerialNumber;
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uint8_t bNumConfigurations;
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};
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/* USB setup packet */
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struct usb_ctrl_setup {
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uint8_t bRequestType;
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#define USB_RECIP_DEVICE 0x00
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#define USB_RECIP_INTERFACE 0x01
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#define USB_RECIP_ENDPOINT 0x02
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#define USB_RECIP_OTHER 0x03
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#define USB_TYPE_STANDARD (0x00 << 5)
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#define USB_TYPE_CLASS (0x01 << 5)
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#define USB_TYPE_VENDOR (0x02 << 5)
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#define USB_TYPE_RESERVED (0x03 << 5)
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#define USB_ENDPOINT_IN 0x80
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#define USB_ENDPOINT_OUT 0x00
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uint8_t bRequest;
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#define USB_REQ_GET_STATUS 0x00
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#define USB_REQ_CLEAR_FEATURE 0x01
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#define USB_REQ_SET_FEATURE 0x03
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#define USB_REQ_SET_ADDRESS 0x05
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#define USB_REQ_GET_DESCRIPTOR 0x06
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#define USB_REQ_SET_DESCRIPTOR 0x07
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#define USB_REQ_GET_CONFIGURATION 0x08
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#define USB_REQ_SET_CONFIGURATION 0x09
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#define USB_REQ_GET_INTERFACE 0x0A
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#define USB_REQ_SET_INTERFACE 0x0B
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#define USB_REQ_SYNCH_FRAME 0x0C
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uint16_t wValue;
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uint16_t wIndex;
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uint16_t wLength;
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};
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/* Error codes */
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#define USB_ERROR_BEGIN 500000
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/* Byte swapping */
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#define USB_LE16_TO_CPU(x) le16toh(x)
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/* Data types */
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struct usb_device;
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struct usb_bus;
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/*
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* To maintain compatibility with applications already built with libusb,
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* we must only add entries to the end of this structure. NEVER delete or
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* move members and only change types if you really know what you're doing.
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*/
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struct usb_device {
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struct usb_device *next;
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struct usb_device *prev;
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char filename[PATH_MAX + 1];
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struct usb_bus *bus;
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struct usb_device_descriptor descriptor;
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struct usb_config_descriptor *config;
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void *dev;
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uint8_t devnum;
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uint8_t num_children;
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struct usb_device **children;
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};
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struct usb_bus {
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struct usb_bus *next;
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struct usb_bus *prev;
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char dirname[PATH_MAX + 1];
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struct usb_device *devices;
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uint32_t location;
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struct usb_device *root_dev;
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};
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struct usb_dev_handle;
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typedef struct usb_dev_handle usb_dev_handle;
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/* Variables */
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extern struct usb_bus *usb_busses;
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0
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} /* style */
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#endif
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/* Function prototypes from "libusb20_compat01.c" */
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usb_dev_handle *usb_open(struct usb_device *dev);
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int usb_close(usb_dev_handle * dev);
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int usb_get_string(usb_dev_handle * dev, int index, int langid, char *buf, size_t buflen);
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int usb_get_string_simple(usb_dev_handle * dev, int index, char *buf, size_t buflen);
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int usb_get_descriptor_by_endpoint(usb_dev_handle * udev, int ep, uint8_t type, uint8_t index, void *buf, int size);
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int usb_get_descriptor(usb_dev_handle * udev, uint8_t type, uint8_t index, void *buf, int size);
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int usb_parse_descriptor(uint8_t *source, char *description, void *dest);
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int usb_parse_configuration(struct usb_config_descriptor *config, uint8_t *buffer);
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void usb_destroy_configuration(struct usb_device *dev);
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void usb_fetch_and_parse_descriptors(usb_dev_handle * udev);
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int usb_bulk_write(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
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int usb_bulk_read(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
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int usb_interrupt_write(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
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int usb_interrupt_read(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
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int usb_control_msg(usb_dev_handle * dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout);
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int usb_set_configuration(usb_dev_handle * dev, int configuration);
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int usb_claim_interface(usb_dev_handle * dev, int interface);
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int usb_release_interface(usb_dev_handle * dev, int interface);
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int usb_set_altinterface(usb_dev_handle * dev, int alternate);
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int usb_resetep(usb_dev_handle * dev, unsigned int ep);
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int usb_clear_halt(usb_dev_handle * dev, unsigned int ep);
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int usb_reset(usb_dev_handle * dev);
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const char *usb_strerror(void);
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void usb_init(void);
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void usb_set_debug(int level);
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int usb_find_busses(void);
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int usb_find_devices(void);
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struct usb_device *usb_device(usb_dev_handle * dev);
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struct usb_bus *usb_get_busses(void);
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#if 0
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{ /* style */
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIBUSB20_COMPAT01_H_ */
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