usbhost.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stddef.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/inotify.h>
#include <dirent.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <poll.h>
#include <pthread.h>
#include <linux/usbdevice_fs.h>
#include <asm/byteorder.h>
#include "usbhost.h"

Include dependency graph for usbhost.c:

Go to the source code of this file.

Classes
struct	usb_device
struct	usb_host_context

Macros
#define	_GNU_SOURCE
#define	D(...)
#define	DEV_BUS_DIR   DEV_DIR "/bus"
#define	DEV_DIR   "/dev"
#define	MAX_DESCRIPTORS_LENGTH   4096
#define	MAX_STRING_DESCRIPTOR_LENGTH   255
#define	MAX_USBFS_WD_COUNT   10
#define	USB_FS_DIR   DEV_BUS_DIR "/usb"
#define	USB_FS_ID_FORMAT   USB_FS_DIR "/%03d/%03d"
#define	USB_FS_ID_SCANNER   USB_FS_DIR "/%d/%d"

Functions
static int	badname (const char *name)
static int	find_existing_devices (usb_device_added_cb added_cb, void *client_data)
static int	find_existing_devices_bus (char *busname, usb_device_added_cb added_cb, void *client_data)
void	usb_descriptor_iter_init (struct usb_device *device, struct usb_descriptor_iter *iter)
struct usb_descriptor_header *	usb_descriptor_iter_next (struct usb_descriptor_iter *iter)
int	usb_device_bulk_transfer (struct usb_device *device, int endpoint, void *buffer, unsigned int length, unsigned int timeout)
int	usb_device_claim_interface (struct usb_device *device, unsigned int interface)
void	usb_device_close (struct usb_device *device)
int	usb_device_connect_kernel_driver (struct usb_device *device, unsigned int interface, int connect)
int	usb_device_control_transfer (struct usb_device *device, int requestType, int request, int value, int index, void *buffer, int length, unsigned int timeout)
size_t	usb_device_get_descriptors_length (const struct usb_device *device)
const struct usb_device_descriptor *	usb_device_get_device_descriptor (struct usb_device *device)
int	usb_device_get_fd (struct usb_device *device)
char *	usb_device_get_manufacturer_name (struct usb_device *device, int timeout)
const char *	usb_device_get_name (struct usb_device *device)
char *	usb_device_get_name_from_unique_id (int id)
uint16_t	usb_device_get_product_id (struct usb_device *device)
char *	usb_device_get_product_name (struct usb_device *device, int timeout)
const unsigned char *	usb_device_get_raw_descriptors (const struct usb_device *device)
char *	usb_device_get_serial (struct usb_device *device, int timeout)
char *	usb_device_get_string (struct usb_device *device, int id, int timeout)
int	usb_device_get_string_ucs2 (struct usb_device *device, int id, int timeout, void **ucs2_out, size_t *response_size)
int	usb_device_get_unique_id (struct usb_device *device)
int	usb_device_get_unique_id_from_name (const char *name)
uint16_t	usb_device_get_vendor_id (struct usb_device *device)
int	usb_device_get_version (struct usb_device *device)
int	usb_device_is_writeable (struct usb_device *device)
struct usb_device *	usb_device_new (const char *dev_name, int fd)
struct usb_device *	usb_device_open (const char *dev_name)
int	usb_device_release_interface (struct usb_device *device, unsigned int interface)
static int	usb_device_reopen_writeable (struct usb_device *device)
int	usb_device_reset (struct usb_device *device)
int	usb_device_set_configuration (struct usb_device *device, int configuration)
int	usb_device_set_interface (struct usb_device *device, unsigned int interface, unsigned int alt_setting)
void	usb_host_cleanup (struct usb_host_context *context)
int	usb_host_get_fd (struct usb_host_context *context)
struct usb_host_context *	usb_host_init ()
int	usb_host_load (struct usb_host_context *context, usb_device_added_cb added_cb, usb_device_removed_cb removed_cb, usb_discovery_done_cb discovery_done_cb, void *client_data)
int	usb_host_read_event (struct usb_host_context *context)
void	usb_host_run (struct usb_host_context *context, usb_device_added_cb added_cb, usb_device_removed_cb removed_cb, usb_discovery_done_cb discovery_done_cb, void *client_data)
int	usb_request_cancel (struct usb_request *req)
void	usb_request_free (struct usb_request *req)
struct usb_request *	usb_request_new (struct usb_device *dev, const struct usb_endpoint_descriptor *ep_desc)
int	usb_request_queue (struct usb_request *req)
struct usb_request *	usb_request_wait (struct usb_device *dev, int timeoutMillis)
static void	watch_existing_subdirs (struct usb_host_context *context, int *wds, int wd_count)

Macro Definition Documentation

#define _GNU_SOURCE

Definition at line 18 of file usbhost.c.

#define D

(

...

)

Definition at line 33 of file usbhost.c.

#define DEV_BUS_DIR   DEV_DIR "/bus"

Definition at line 59 of file usbhost.c.

#define DEV_DIR   "/dev"

Definition at line 58 of file usbhost.c.

#define MAX_DESCRIPTORS_LENGTH   4096

Definition at line 79 of file usbhost.c.

#define MAX_STRING_DESCRIPTOR_LENGTH   255

Definition at line 65 of file usbhost.c.

#define MAX_USBFS_WD_COUNT   10

Definition at line 67 of file usbhost.c.

#define USB_FS_DIR   DEV_BUS_DIR "/usb"

Definition at line 60 of file usbhost.c.

#define USB_FS_ID_FORMAT   USB_FS_DIR "/%03d/%03d"

Definition at line 62 of file usbhost.c.

#define USB_FS_ID_SCANNER   USB_FS_DIR "/%d/%d"

Definition at line 61 of file usbhost.c.

Function Documentation

static int badname ( const char *  name )

inlinestatic

Definition at line 89 of file usbhost.c.

static int find_existing_devices ( usb_device_added_cb  added_cb, void *  client_data  )

static

Definition at line 121 of file usbhost.c.

static int find_existing_devices_bus ( char *  busname, usb_device_added_cb  added_cb, void *  client_data  )

static

Definition at line 97 of file usbhost.c.

void usb_descriptor_iter_init	(	struct usb_device *	device,
		struct usb_descriptor_iter *	iter
	)

Definition at line 587 of file usbhost.c.

struct usb_descriptor_header* usb_descriptor_iter_next

(

struct usb_descriptor_iter *

iter

)

Definition at line 594 of file usbhost.c.

int usb_device_bulk_transfer	(	struct usb_device *	device,
		int	endpoint,
		void *	buffer,
		unsigned int	length,
		unsigned int	timeout
	)

Definition at line 666 of file usbhost.c.

int usb_device_claim_interface	(	struct usb_device *	device,
		unsigned int	interface
	)

Definition at line 604 of file usbhost.c.

void usb_device_close

(

struct usb_device *

device

)

Definition at line 364 of file usbhost.c.

int usb_device_connect_kernel_driver	(	struct usb_device *	device,
		unsigned int	interface,
		int	connect
	)

Definition at line 614 of file usbhost.c.

int usb_device_control_transfer	(	struct usb_device *	device,
		int	requestType,
		int	request,
		int	value,
		int	index,
		void *	buffer,
		int	length,
		unsigned int	timeout
	)

Definition at line 640 of file usbhost.c.

size_t usb_device_get_descriptors_length

(

const struct usb_device *

device

)

Definition at line 466 of file usbhost.c.

const struct usb_device_descriptor* usb_device_get_device_descriptor

(

struct usb_device *

device

)

Definition at line 462 of file usbhost.c.

int usb_device_get_fd

(

struct usb_device *

device

)

Definition at line 415 of file usbhost.c.

char* usb_device_get_manufacturer_name	(	struct usb_device *	device,
		int	timeout
	)

Definition at line 558 of file usbhost.c.

const char* usb_device_get_name

(

struct usb_device *

device

)

Definition at line 422 of file usbhost.c.

char* usb_device_get_name_from_unique_id

(

int

id

)

Definition at line 441 of file usbhost.c.

uint16_t usb_device_get_product_id

(

struct usb_device *

device

)

Definition at line 456 of file usbhost.c.

char* usb_device_get_product_name	(	struct usb_device *	device,
		int	timeout
	)

Definition at line 564 of file usbhost.c.

const unsigned char* usb_device_get_raw_descriptors

(

const struct usb_device *

device

)

Definition at line 470 of file usbhost.c.

char* usb_device_get_serial	(	struct usb_device *	device,
		int	timeout
	)

Definition at line 576 of file usbhost.c.

char* usb_device_get_string	(	struct usb_device *	device,
		int	id,
		int	timeout
	)

Definition at line 537 of file usbhost.c.

int usb_device_get_string_ucs2	(	struct usb_device *	device,
		int	id,
		int	timeout,
		void **	ucs2_out,
		size_t *	response_size
	)

Definition at line 488 of file usbhost.c.

int usb_device_get_unique_id

(

struct usb_device *

device

)

Definition at line 427 of file usbhost.c.

int usb_device_get_unique_id_from_name

(

const char *

name

)

Definition at line 434 of file usbhost.c.

uint16_t usb_device_get_vendor_id

(

struct usb_device *

device

)

Definition at line 450 of file usbhost.c.

int usb_device_get_version

(

struct usb_device *

device

)

Definition at line 570 of file usbhost.c.

int usb_device_is_writeable

(

struct usb_device *

device

)

Definition at line 582 of file usbhost.c.

struct usb_device* usb_device_new	(	const char *	dev_name,
		int	fd
	)

Definition at line 370 of file usbhost.c.

struct usb_device* usb_device_open

(

const char *

dev_name

)

Definition at line 323 of file usbhost.c.

int usb_device_release_interface	(	struct usb_device *	device,
		unsigned int	interface
	)

Definition at line 609 of file usbhost.c.

static int usb_device_reopen_writeable ( struct usb_device *  device )

static

Definition at line 399 of file usbhost.c.

int usb_device_reset

(

struct usb_device *

device

)

Reset USB bus for the device

Definition at line 682 of file usbhost.c.

int usb_device_set_configuration	(	struct usb_device *	device,
		int	configuration
	)

Definition at line 625 of file usbhost.c.

int usb_device_set_interface	(	struct usb_device *	device,
		unsigned int	interface,
		unsigned int	alt_setting
	)

Definition at line 630 of file usbhost.c.

void usb_host_cleanup

(

struct usb_host_context *

context

)

Definition at line 179 of file usbhost.c.

int usb_host_get_fd

(

struct usb_host_context *

context

)

Definition at line 185 of file usbhost.c.

struct usb_host_context* usb_host_init

(

void

)

Definition at line 163 of file usbhost.c.

int usb_host_load	(	struct usb_host_context *	context,
		usb_device_added_cb	added_cb,
		usb_device_removed_cb	removed_cb,
		usb_discovery_done_cb	discovery_done_cb,
		void *	client_data
	)

Definition at line 190 of file usbhost.c.

int usb_host_read_event

(

struct usb_host_context *

context

)

Definition at line 229 of file usbhost.c.

void usb_host_run	(	struct usb_host_context *	context,
		usb_device_added_cb	added_cb,
		usb_device_removed_cb	removed_cb,
		usb_discovery_done_cb	discovery_done_cb,
		void *	client_data
	)

Definition at line 307 of file usbhost.c.

int usb_request_cancel

(

struct usb_request *

req

)

Definition at line 776 of file usbhost.c.

void usb_request_free

(

struct usb_request *

req

)

Definition at line 720 of file usbhost.c.

struct usb_request* usb_request_new	(	struct usb_device *	dev,
		const struct usb_endpoint_descriptor *	ep_desc
	)

Definition at line 687 of file usbhost.c.

int usb_request_queue

(

struct usb_request *

req

)

Definition at line 726 of file usbhost.c.

struct usb_request* usb_request_wait	(	struct usb_device *	dev,
		int	timeoutMillis
	)

Definition at line 742 of file usbhost.c.

static void watch_existing_subdirs ( struct usb_host_context *  context, int *  wds, int  wd_count  )

static

Definition at line 144 of file usbhost.c.