358 void usb_device_close(struct usb_device *device)  in usb_device_close()  argument
360     close(device->fd);  in usb_device_close()
361     free(device);  in usb_device_close()
366     struct usb_device *device = calloc(1, sizeof(struct usb_device));  in usb_device_new()  local
373     length = read(fd, device->desc, sizeof(device->desc));  in usb_device_new()
378     strncpy(device->dev_name, dev_name, sizeof(device->dev_name) - 1);  in usb_device_new()
379     device->fd = fd;  in usb_device_new()
380     device->desc_length = length;  in usb_device_new()
382     device->writeable = 1;  in usb_device_new()
383     return device;  in usb_device_new()
389     free(device);  in usb_device_new()
393 static int usb_device_reopen_writeable(struct usb_device *device)  in usb_device_reopen_writeable()  argument
395     if (device->writeable)  in usb_device_reopen_writeable()
398     int fd = open(device->dev_name, O_RDWR);  in usb_device_reopen_writeable()
400         close(device->fd);  in usb_device_reopen_writeable()
401         device->fd = fd;  in usb_device_reopen_writeable()
402         device->writeable = 1;  in usb_device_reopen_writeable()
409 int usb_device_get_fd(struct usb_device *device)  in usb_device_get_fd()  argument
411     if (!usb_device_reopen_writeable(device))  in usb_device_get_fd()
413     return device->fd;  in usb_device_get_fd()
416 const char* usb_device_get_name(struct usb_device *device)  in usb_device_get_name()  argument
418     return device->dev_name;  in usb_device_get_name()
421 int usb_device_get_unique_id(struct usb_device *device)  in usb_device_get_unique_id()  argument
424     sscanf(device->dev_name, USB_FS_ID_SCANNER, &bus, &dev);  in usb_device_get_unique_id()
444 uint16_t usb_device_get_vendor_id(struct usb_device *device)  in usb_device_get_vendor_id()  argument
446     struct usb_device_descriptor* desc = (struct usb_device_descriptor*)device->desc;  in usb_device_get_vendor_id()
450 uint16_t usb_device_get_product_id(struct usb_device *device)  in usb_device_get_product_id()  argument
452     struct usb_device_descriptor* desc = (struct usb_device_descriptor*)device->desc;  in usb_device_get_product_id()
456 const struct usb_device_descriptor* usb_device_get_device_descriptor(struct usb_device* device) {  in usb_device_get_device_descriptor()  argument
457     return (struct usb_device_descriptor*)device->desc;  in usb_device_get_device_descriptor()
460 size_t usb_device_get_descriptors_length(const struct usb_device* device) {  in usb_device_get_descriptors_length()  argument
461     return device->desc_length;  in usb_device_get_descriptors_length()
464 const unsigned char* usb_device_get_raw_descriptors(const struct usb_device* device) {  in usb_device_get_raw_descriptors()  argument
465     return device->desc;  in usb_device_get_raw_descriptors()
482 int usb_device_get_string_ucs2(struct usb_device* device, int id, int timeout, void** ucs2_out,  in usb_device_get_string_ucs2()  argument
495     result = usb_device_control_transfer(device,  in usb_device_get_string_ucs2()
506             device, USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE, USB_REQ_GET_DESCRIPTOR,  in usb_device_get_string_ucs2()
531 char* usb_device_get_string(struct usb_device* device, int id, int timeout) {  in usb_device_get_string()  argument
535     if (usb_device_get_string_ucs2(device, id, timeout, (void**)&ascii_string, &raw_string_len) < 0)  in usb_device_get_string()
552 char* usb_device_get_manufacturer_name(struct usb_device *device, int timeout)  in usb_device_get_manufacturer_name()  argument
554     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_manufacturer_name()
555     return usb_device_get_string(device, desc->iManufacturer, timeout);  in usb_device_get_manufacturer_name()
558 char* usb_device_get_product_name(struct usb_device *device, int timeout)  in usb_device_get_product_name()  argument
560     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_product_name()
561     return usb_device_get_string(device, desc->iProduct, timeout);  in usb_device_get_product_name()
564 int usb_device_get_version(struct usb_device *device)  in usb_device_get_version()  argument
566     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_version()
570 char* usb_device_get_serial(struct usb_device *device, int timeout)  in usb_device_get_serial()  argument
572     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_serial()
573     return usb_device_get_string(device, desc->iSerialNumber, timeout);  in usb_device_get_serial()
576 int usb_device_is_writeable(struct usb_device *device)  in usb_device_is_writeable()  argument
578     return device->writeable;  in usb_device_is_writeable()
581 void usb_descriptor_iter_init(struct usb_device *device, struct usb_descriptor_iter *iter)  in usb_descriptor_iter_init()  argument
583     iter->config = device->desc;  in usb_descriptor_iter_init()
584     iter->config_end = device->desc + device->desc_length;  in usb_descriptor_iter_init()
585     iter->curr_desc = device->desc;  in usb_descriptor_iter_init()
603 int usb_device_claim_interface(struct usb_device *device, unsigned int interface)  in usb_device_claim_interface()  argument
605     return ioctl(device->fd, USBDEVFS_CLAIMINTERFACE, &interface);  in usb_device_claim_interface()
608 int usb_device_release_interface(struct usb_device *device, unsigned int interface)  in usb_device_release_interface()  argument
610     return ioctl(device->fd, USBDEVFS_RELEASEINTERFACE, &interface);  in usb_device_release_interface()
613 int usb_device_connect_kernel_driver(struct usb_device *device,  in usb_device_connect_kernel_driver()  argument
621     return ioctl(device->fd, USBDEVFS_IOCTL, &ctl);  in usb_device_connect_kernel_driver()
624 int usb_device_set_configuration(struct usb_device *device, int configuration)  in usb_device_set_configuration()  argument
626     return ioctl(device->fd, USBDEVFS_SETCONFIGURATION, &configuration);  in usb_device_set_configuration()
629 int usb_device_set_interface(struct usb_device *device, unsigned int interface,  in usb_device_set_interface()  argument
636     return ioctl(device->fd, USBDEVFS_SETINTERFACE, &ctl);  in usb_device_set_interface()
639 int usb_device_control_transfer(struct usb_device *device,  in usb_device_control_transfer()  argument
651     if (!usb_device_reopen_writeable(device))  in usb_device_control_transfer()
662     return ioctl(device->fd, USBDEVFS_CONTROL, &ctrl);  in usb_device_control_transfer()
665 int usb_device_bulk_transfer(struct usb_device *device,  in usb_device_bulk_transfer()  argument
678     return ioctl(device->fd, USBDEVFS_BULK, &ctrl);  in usb_device_bulk_transfer()
681 int usb_device_reset(struct usb_device *device)  in usb_device_reset()  argument
683     return ioctl(device->fd, USBDEVFS_RESET);  in usb_device_reset()