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| Current File : //usr/include/usb.h |
/* $FreeBSD: release/9.1.0/lib/libusb/usb.h 224085 2011-07-16 08:29:12Z hselasky $ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LIBUSB20_COMPAT_01_H_
#define _LIBUSB20_COMPAT_01_H_
#include <sys/param.h>
#include <sys/endian.h>
#include <stdint.h>
/* USB interface class codes */
#define USB_CLASS_PER_INTERFACE 0
#define USB_CLASS_AUDIO 1
#define USB_CLASS_COMM 2
#define USB_CLASS_HID 3
#define USB_CLASS_PRINTER 7
#define USB_CLASS_PTP 6
#define USB_CLASS_MASS_STORAGE 8
#define USB_CLASS_HUB 9
#define USB_CLASS_DATA 10
#define USB_CLASS_VENDOR_SPEC 0xff
/* USB descriptor types */
#define USB_DT_DEVICE 0x01
#define USB_DT_CONFIG 0x02
#define USB_DT_STRING 0x03
#define USB_DT_INTERFACE 0x04
#define USB_DT_ENDPOINT 0x05
#define USB_DT_HID 0x21
#define USB_DT_REPORT 0x22
#define USB_DT_PHYSICAL 0x23
#define USB_DT_HUB 0x29
/* USB descriptor type sizes */
#define USB_DT_DEVICE_SIZE 18
#define USB_DT_CONFIG_SIZE 9
#define USB_DT_INTERFACE_SIZE 9
#define USB_DT_ENDPOINT_SIZE 7
#define USB_DT_ENDPOINT_AUDIO_SIZE 9
#define USB_DT_HUB_NONVAR_SIZE 7
/* USB descriptor header */
struct usb_descriptor_header {
uint8_t bLength;
uint8_t bDescriptorType;
};
/* USB string descriptor */
struct usb_string_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wData[1];
};
/* USB HID descriptor */
struct usb_hid_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdHID;
uint8_t bCountryCode;
uint8_t bNumDescriptors;
/* uint8_t bReportDescriptorType; */
/* uint16_t wDescriptorLength; */
/* ... */
};
/* USB endpoint descriptor */
#define USB_MAXENDPOINTS 32
struct usb_endpoint_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
#define USB_ENDPOINT_ADDRESS_MASK 0x0f
#define USB_ENDPOINT_DIR_MASK 0x80
uint8_t bmAttributes;
#define USB_ENDPOINT_TYPE_MASK 0x03
#define USB_ENDPOINT_TYPE_CONTROL 0
#define USB_ENDPOINT_TYPE_ISOCHRONOUS 1
#define USB_ENDPOINT_TYPE_BULK 2
#define USB_ENDPOINT_TYPE_INTERRUPT 3
uint16_t wMaxPacketSize;
uint8_t bInterval;
uint8_t bRefresh;
uint8_t bSynchAddress;
uint8_t *extra; /* Extra descriptors */
int extralen;
};
/* USB interface descriptor */
#define USB_MAXINTERFACES 32
struct usb_interface_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
struct usb_endpoint_descriptor *endpoint;
uint8_t *extra; /* Extra descriptors */
int extralen;
};
#define USB_MAXALTSETTING 128 /* Hard limit */
struct usb_interface {
struct usb_interface_descriptor *altsetting;
int num_altsetting;
};
/* USB configuration descriptor */
#define USB_MAXCONFIG 8
struct usb_config_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t MaxPower;
struct usb_interface *interface;
uint8_t *extra; /* Extra descriptors */
int extralen;
};
/* USB device descriptor */
struct usb_device_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize0;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
};
/* USB setup packet */
struct usb_ctrl_setup {
uint8_t bRequestType;
#define USB_RECIP_DEVICE 0x00
#define USB_RECIP_INTERFACE 0x01
#define USB_RECIP_ENDPOINT 0x02
#define USB_RECIP_OTHER 0x03
#define USB_TYPE_STANDARD (0x00 << 5)
#define USB_TYPE_CLASS (0x01 << 5)
#define USB_TYPE_VENDOR (0x02 << 5)
#define USB_TYPE_RESERVED (0x03 << 5)
#define USB_ENDPOINT_IN 0x80
#define USB_ENDPOINT_OUT 0x00
uint8_t bRequest;
#define USB_REQ_GET_STATUS 0x00
#define USB_REQ_CLEAR_FEATURE 0x01
#define USB_REQ_SET_FEATURE 0x03
#define USB_REQ_SET_ADDRESS 0x05
#define USB_REQ_GET_DESCRIPTOR 0x06
#define USB_REQ_SET_DESCRIPTOR 0x07
#define USB_REQ_GET_CONFIGURATION 0x08
#define USB_REQ_SET_CONFIGURATION 0x09
#define USB_REQ_GET_INTERFACE 0x0A
#define USB_REQ_SET_INTERFACE 0x0B
#define USB_REQ_SYNCH_FRAME 0x0C
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
};
/* Error codes */
#define USB_ERROR_BEGIN 500000
/* Byte swapping */
#define USB_LE16_TO_CPU(x) le16toh(x)
/* Data types */
struct usb_device;
struct usb_bus;
/*
* To maintain compatibility with applications already built with libusb,
* we must only add entries to the end of this structure. NEVER delete or
* move members and only change types if you really know what you're doing.
*/
struct usb_device {
struct usb_device *next;
struct usb_device *prev;
char filename[PATH_MAX + 1];
struct usb_bus *bus;
struct usb_device_descriptor descriptor;
struct usb_config_descriptor *config;
void *dev;
uint8_t devnum;
uint8_t num_children;
struct usb_device **children;
};
struct usb_bus {
struct usb_bus *next;
struct usb_bus *prev;
char dirname[PATH_MAX + 1];
struct usb_device *devices;
uint32_t location;
struct usb_device *root_dev;
};
struct usb_dev_handle;
typedef struct usb_dev_handle usb_dev_handle;
/* Variables */
extern struct usb_bus *usb_busses;
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* style */
#endif
/* Function prototypes from "libusb20_compat01.c" */
usb_dev_handle *usb_open(struct usb_device *dev);
int usb_close(usb_dev_handle * dev);
int usb_get_string(usb_dev_handle * dev, int index, int langid, char *buf, size_t buflen);
int usb_get_string_simple(usb_dev_handle * dev, int index, char *buf, size_t buflen);
int usb_get_descriptor_by_endpoint(usb_dev_handle * udev, int ep, uint8_t type, uint8_t index, void *buf, int size);
int usb_get_descriptor(usb_dev_handle * udev, uint8_t type, uint8_t index, void *buf, int size);
int usb_parse_descriptor(uint8_t *source, char *description, void *dest);
int usb_parse_configuration(struct usb_config_descriptor *config, uint8_t *buffer);
void usb_destroy_configuration(struct usb_device *dev);
void usb_fetch_and_parse_descriptors(usb_dev_handle * udev);
int usb_bulk_write(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_bulk_read(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_interrupt_write(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_interrupt_read(usb_dev_handle * dev, int ep, char *bytes, int size, int timeout);
int usb_control_msg(usb_dev_handle * dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout);
int usb_set_configuration(usb_dev_handle * dev, int configuration);
int usb_claim_interface(usb_dev_handle * dev, int interface);
int usb_release_interface(usb_dev_handle * dev, int interface);
int usb_set_altinterface(usb_dev_handle * dev, int alternate);
int usb_resetep(usb_dev_handle * dev, unsigned int ep);
int usb_clear_halt(usb_dev_handle * dev, unsigned int ep);
int usb_reset(usb_dev_handle * dev);
int usb_check_connected(usb_dev_handle * dev);
const char *usb_strerror(void);
void usb_init(void);
void usb_set_debug(int level);
int usb_find_busses(void);
int usb_find_devices(void);
struct usb_device *usb_device(usb_dev_handle * dev);
struct usb_bus *usb_get_busses(void);
int usb_get_driver_np(usb_dev_handle * dev, int interface, char *name, int namelen);
int usb_detach_kernel_driver_np(usb_dev_handle * dev, int interface);
#if 0
{ /* style */
#endif
#ifdef __cplusplus
}
#endif
#endif /* _LIBUSB20_COMPAT01_H_ */