364 void usb_device_close(struct usb_device *device)  in usb_device_close()  argument
366     close(device->fd);  in usb_device_close()
367     free(device);  in usb_device_close()
372     struct usb_device *device = calloc(1, sizeof(struct usb_device));  in usb_device_new()  local
379     length = read(fd, device->desc, sizeof(device->desc));  in usb_device_new()
384     strncpy(device->dev_name, dev_name, sizeof(device->dev_name) - 1);  in usb_device_new()
385     device->fd = fd;  in usb_device_new()
386     device->desc_length = length;  in usb_device_new()
388     device->writeable = 1;  in usb_device_new()
389     return device;  in usb_device_new()
395     free(device);  in usb_device_new()
399 static int usb_device_reopen_writeable(struct usb_device *device)  in usb_device_reopen_writeable()  argument
401     if (device->writeable)  in usb_device_reopen_writeable()
404     int fd = open(device->dev_name, O_RDWR);  in usb_device_reopen_writeable()
406         close(device->fd);  in usb_device_reopen_writeable()
407         device->fd = fd;  in usb_device_reopen_writeable()
408         device->writeable = 1;  in usb_device_reopen_writeable()
415 int usb_device_get_fd(struct usb_device *device)  in usb_device_get_fd()  argument
417     if (!usb_device_reopen_writeable(device))  in usb_device_get_fd()
419     return device->fd;  in usb_device_get_fd()
422 const char* usb_device_get_name(struct usb_device *device)  in usb_device_get_name()  argument
424     return device->dev_name;  in usb_device_get_name()
427 int usb_device_get_unique_id(struct usb_device *device)  in usb_device_get_unique_id()  argument
430     sscanf(device->dev_name, USB_FS_ID_SCANNER, &bus, &dev);  in usb_device_get_unique_id()
450 uint16_t usb_device_get_vendor_id(struct usb_device *device)  in usb_device_get_vendor_id()  argument
452     struct usb_device_descriptor* desc = (struct usb_device_descriptor*)device->desc;  in usb_device_get_vendor_id()
456 uint16_t usb_device_get_product_id(struct usb_device *device)  in usb_device_get_product_id()  argument
458     struct usb_device_descriptor* desc = (struct usb_device_descriptor*)device->desc;  in usb_device_get_product_id()
462 const struct usb_device_descriptor* usb_device_get_device_descriptor(struct usb_device* device) {  in usb_device_get_device_descriptor()  argument
463     return (struct usb_device_descriptor*)device->desc;  in usb_device_get_device_descriptor()
466 size_t usb_device_get_descriptors_length(const struct usb_device* device) {  in usb_device_get_descriptors_length()  argument
467     return device->desc_length;  in usb_device_get_descriptors_length()
470 const unsigned char* usb_device_get_raw_descriptors(const struct usb_device* device) {  in usb_device_get_raw_descriptors()  argument
471     return device->desc;  in usb_device_get_raw_descriptors()
488 int usb_device_get_string_ucs2(struct usb_device* device, int id, int timeout, void** ucs2_out,  in usb_device_get_string_ucs2()  argument
501     result = usb_device_control_transfer(device,  in usb_device_get_string_ucs2()
512             device, USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE, USB_REQ_GET_DESCRIPTOR,  in usb_device_get_string_ucs2()
537 char* usb_device_get_string(struct usb_device* device, int id, int timeout) {  in usb_device_get_string()  argument
541     if (usb_device_get_string_ucs2(device, id, timeout, (void**)&ascii_string, &raw_string_len) < 0)  in usb_device_get_string()
558 char* usb_device_get_manufacturer_name(struct usb_device *device, int timeout)  in usb_device_get_manufacturer_name()  argument
560     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_manufacturer_name()
561     return usb_device_get_string(device, desc->iManufacturer, timeout);  in usb_device_get_manufacturer_name()
564 char* usb_device_get_product_name(struct usb_device *device, int timeout)  in usb_device_get_product_name()  argument
566     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_product_name()
567     return usb_device_get_string(device, desc->iProduct, timeout);  in usb_device_get_product_name()
570 int usb_device_get_version(struct usb_device *device)  in usb_device_get_version()  argument
572     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_version()
576 char* usb_device_get_serial(struct usb_device *device, int timeout)  in usb_device_get_serial()  argument
578     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_serial()
579     return usb_device_get_string(device, desc->iSerialNumber, timeout);  in usb_device_get_serial()
582 int usb_device_is_writeable(struct usb_device *device)  in usb_device_is_writeable()  argument
584     return device->writeable;  in usb_device_is_writeable()
587 void usb_descriptor_iter_init(struct usb_device *device, struct usb_descriptor_iter *iter)  in usb_descriptor_iter_init()  argument
589     iter->config = device->desc;  in usb_descriptor_iter_init()
590     iter->config_end = device->desc + device->desc_length;  in usb_descriptor_iter_init()
591     iter->curr_desc = device->desc;  in usb_descriptor_iter_init()
609 int usb_device_claim_interface(struct usb_device *device, unsigned int interface)  in usb_device_claim_interface()  argument
611     return ioctl(device->fd, USBDEVFS_CLAIMINTERFACE, &interface);  in usb_device_claim_interface()
614 int usb_device_release_interface(struct usb_device *device, unsigned int interface)  in usb_device_release_interface()  argument
616     return ioctl(device->fd, USBDEVFS_RELEASEINTERFACE, &interface);  in usb_device_release_interface()
619 int usb_device_connect_kernel_driver(struct usb_device *device,  in usb_device_connect_kernel_driver()  argument
627     return ioctl(device->fd, USBDEVFS_IOCTL, &ctl);  in usb_device_connect_kernel_driver()
630 int usb_device_set_configuration(struct usb_device *device, int configuration)  in usb_device_set_configuration()  argument
632     return ioctl(device->fd, USBDEVFS_SETCONFIGURATION, &configuration);  in usb_device_set_configuration()
635 int usb_device_set_interface(struct usb_device *device, unsigned int interface,  in usb_device_set_interface()  argument
642     return ioctl(device->fd, USBDEVFS_SETINTERFACE, &ctl);  in usb_device_set_interface()
645 int usb_device_control_transfer(struct usb_device *device,  in usb_device_control_transfer()  argument
657     if (!usb_device_reopen_writeable(device))  in usb_device_control_transfer()
668     return ioctl(device->fd, USBDEVFS_CONTROL, &ctrl);  in usb_device_control_transfer()
671 int usb_device_bulk_transfer(struct usb_device *device,  in usb_device_bulk_transfer()  argument
684     return ioctl(device->fd, USBDEVFS_BULK, &ctrl);  in usb_device_bulk_transfer()
687 int usb_device_reset(struct usb_device *device)  in usb_device_reset()  argument
689     return ioctl(device->fd, USBDEVFS_RESET);  in usb_device_reset()