339 lines
8.6 KiB
C
339 lines
8.6 KiB
C
/*
|
|
* Prototypes, structure definitions and macros.
|
|
*
|
|
* Copyright (c) 2000-2003 Johannes Erdfelt <johannes@erdfelt.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* This file (and only this file) may alternatively be licensed under the
|
|
* BSD license. See the LICENSE file shipped with the libusb-compat-0.1 source
|
|
* distribution for details.
|
|
*/
|
|
|
|
#ifndef __USB_H__
|
|
#define __USB_H__
|
|
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
|
|
#include <dirent.h>
|
|
|
|
/*
|
|
* USB spec information
|
|
*
|
|
* This is all stuff grabbed from various USB specs and is pretty much
|
|
* not subject to change
|
|
*/
|
|
|
|
/*
|
|
* Device and/or Interface Class codes
|
|
*/
|
|
#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
|
|
#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
|
|
|
|
/*
|
|
* 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
|
|
|
|
/*
|
|
* Descriptor sizes per descriptor type
|
|
*/
|
|
#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 /* Audio extension */
|
|
#define USB_DT_HUB_NONVAR_SIZE 7
|
|
|
|
/* All standard descriptors have these 2 fields in common */
|
|
struct usb_descriptor_header {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
};
|
|
|
|
/* String descriptor */
|
|
struct usb_string_descriptor {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
u_int16_t wData[1];
|
|
};
|
|
|
|
/* HID descriptor */
|
|
struct usb_hid_descriptor {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
u_int16_t bcdHID;
|
|
u_int8_t bCountryCode;
|
|
u_int8_t bNumDescriptors;
|
|
/* u_int8_t bReportDescriptorType; */
|
|
/* u_int16_t wDescriptorLength; */
|
|
/* ... */
|
|
};
|
|
|
|
/* Endpoint descriptor */
|
|
#define USB_MAXENDPOINTS 32
|
|
struct usb_endpoint_descriptor {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
u_int8_t bEndpointAddress;
|
|
u_int8_t bmAttributes;
|
|
u_int16_t wMaxPacketSize;
|
|
u_int8_t bInterval;
|
|
u_int8_t bRefresh;
|
|
u_int8_t bSynchAddress;
|
|
|
|
unsigned char *extra; /* Extra descriptors */
|
|
int extralen;
|
|
};
|
|
|
|
#define USB_ENDPOINT_ADDRESS_MASK 0x0f /* in bEndpointAddress */
|
|
#define USB_ENDPOINT_DIR_MASK 0x80
|
|
|
|
#define USB_ENDPOINT_TYPE_MASK 0x03 /* in bmAttributes */
|
|
#define USB_ENDPOINT_TYPE_CONTROL 0
|
|
#define USB_ENDPOINT_TYPE_ISOCHRONOUS 1
|
|
#define USB_ENDPOINT_TYPE_BULK 2
|
|
#define USB_ENDPOINT_TYPE_INTERRUPT 3
|
|
|
|
/* Interface descriptor */
|
|
#define USB_MAXINTERFACES 32
|
|
struct usb_interface_descriptor {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
u_int8_t bInterfaceNumber;
|
|
u_int8_t bAlternateSetting;
|
|
u_int8_t bNumEndpoints;
|
|
u_int8_t bInterfaceClass;
|
|
u_int8_t bInterfaceSubClass;
|
|
u_int8_t bInterfaceProtocol;
|
|
u_int8_t iInterface;
|
|
|
|
struct usb_endpoint_descriptor *endpoint;
|
|
|
|
unsigned char *extra; /* Extra descriptors */
|
|
int extralen;
|
|
};
|
|
|
|
#define USB_MAXALTSETTING 128 /* Hard limit */
|
|
struct usb_interface {
|
|
struct usb_interface_descriptor *altsetting;
|
|
|
|
int num_altsetting;
|
|
};
|
|
|
|
/* Configuration descriptor information.. */
|
|
#define USB_MAXCONFIG 8
|
|
struct usb_config_descriptor {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
u_int16_t wTotalLength;
|
|
u_int8_t bNumInterfaces;
|
|
u_int8_t bConfigurationValue;
|
|
u_int8_t iConfiguration;
|
|
u_int8_t bmAttributes;
|
|
u_int8_t MaxPower;
|
|
|
|
struct usb_interface *interface;
|
|
|
|
unsigned char *extra; /* Extra descriptors */
|
|
int extralen;
|
|
};
|
|
|
|
/* Device descriptor */
|
|
struct usb_device_descriptor {
|
|
u_int8_t bLength;
|
|
u_int8_t bDescriptorType;
|
|
u_int16_t bcdUSB;
|
|
u_int8_t bDeviceClass;
|
|
u_int8_t bDeviceSubClass;
|
|
u_int8_t bDeviceProtocol;
|
|
u_int8_t bMaxPacketSize0;
|
|
u_int16_t idVendor;
|
|
u_int16_t idProduct;
|
|
u_int16_t bcdDevice;
|
|
u_int8_t iManufacturer;
|
|
u_int8_t iProduct;
|
|
u_int8_t iSerialNumber;
|
|
u_int8_t bNumConfigurations;
|
|
};
|
|
|
|
struct usb_ctrl_setup {
|
|
u_int8_t bRequestType;
|
|
u_int8_t bRequest;
|
|
u_int16_t wValue;
|
|
u_int16_t wIndex;
|
|
u_int16_t wLength;
|
|
};
|
|
|
|
/*
|
|
* Standard requests
|
|
*/
|
|
#define USB_REQ_GET_STATUS 0x00
|
|
#define USB_REQ_CLEAR_FEATURE 0x01
|
|
/* 0x02 is reserved */
|
|
#define USB_REQ_SET_FEATURE 0x03
|
|
/* 0x04 is reserved */
|
|
#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
|
|
|
|
#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_RECIP_DEVICE 0x00
|
|
#define USB_RECIP_INTERFACE 0x01
|
|
#define USB_RECIP_ENDPOINT 0x02
|
|
#define USB_RECIP_OTHER 0x03
|
|
|
|
/*
|
|
* Various libusb API related stuff
|
|
*/
|
|
|
|
#define USB_ENDPOINT_IN 0x80
|
|
#define USB_ENDPOINT_OUT 0x00
|
|
|
|
/* Error codes */
|
|
#define USB_ERROR_BEGIN 500000
|
|
|
|
/* 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, *prev;
|
|
|
|
char filename[PATH_MAX + 1];
|
|
|
|
struct usb_bus *bus;
|
|
|
|
struct usb_device_descriptor descriptor;
|
|
struct usb_config_descriptor *config;
|
|
|
|
void *dev; /* Darwin support */
|
|
|
|
u_int8_t devnum;
|
|
|
|
unsigned char num_children;
|
|
struct usb_device **children;
|
|
};
|
|
|
|
struct usb_bus {
|
|
struct usb_bus *next, *prev;
|
|
|
|
char dirname[PATH_MAX + 1];
|
|
|
|
struct usb_device *devices;
|
|
u_int32_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
|
|
|
|
/* Function prototypes */
|
|
|
|
/* usb.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);
|
|
|
|
/* descriptors.c */
|
|
int usb_get_descriptor_by_endpoint(usb_dev_handle *udev, int ep,
|
|
unsigned char type, unsigned char index, void *buf, int size);
|
|
int usb_get_descriptor(usb_dev_handle *udev, unsigned char type,
|
|
unsigned char index, void *buf, int size);
|
|
|
|
/* <arch>.c */
|
|
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);
|
|
|
|
#define LIBUSB_HAS_GET_DRIVER_NP 1
|
|
int usb_get_driver_np(usb_dev_handle *dev, int interface, char *name,
|
|
unsigned int namelen);
|
|
#define LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP 1
|
|
int usb_detach_kernel_driver_np(usb_dev_handle *dev, int interface);
|
|
|
|
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);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __USB_H__ */
|
|
|