FreeCalypso > hg > fc-usbser-tools
view libuwrap/open_close.c @ 12:80e521d6609c
libuwrap: implement USB device open and close
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 07 Sep 2023 06:39:49 +0000 |
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/* * Here we implement functions for opening and closing the libusb device * we have located. */ #include <stdio.h> #include <stdlib.h> #include <usb.h> #include "open_close.h" usb_dev_handle *usbwrap_open_dev(struct usb_device *dev, int detach) { usb_dev_handle *usbh; usbh = usb_open(dev); if (!usbh) { fprintf(stderr, "error: usb_open() failed\n"); exit(1); } if (detach) usb_detach_kernel_driver_np(usbh, 0); if (usb_claim_interface(usbh, 0) != 0) { fprintf(stderr, "error: usb_claim_interface() failed\n"); exit(1); } return usbh; } void usbwrap_close_dev(usb_dev_handle *usbh) { usb_release_interface(usbh, 0); usb_close(usbh); }