/* * linux_usbif.c - Linux API; usb_control_msg() usb_set_interface() * Copyright (C) 2003 Takafumi Mizuno * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include #include #include #include "linux_usbif.h" /* Linux API rapper */ int usb_control_msg(struct usb_device *dev, unsigned int pipe, u_int8_t request, u_int8_t requesttype, u_int16_t value, u_int16_t index, void *data, u_int16_t size, int timeout) { /* XXX pipe and timeout is dummy */ struct usb_ctl_request ur; ur.ucr_request.bRequest = request; ur.ucr_request.bmRequestType = requesttype; USETW(ur.ucr_request.wValue, value); USETW(ur.ucr_request.wIndex, index); USETW(ur.ucr_request.wLength, size); ur.ucr_data = data; ur.ucr_flags = 0; ur.ucr_actlen = 0; if (ioctl(dev->fd, USB_DO_REQUEST, &ur) < 0) { return -1; } return 0; } int usb_set_interface(struct usb_device *dev, int ifnum, int alternate) { /* XXX ifnum is dummy */ struct usb_alt_interface alt; /* interface/alternate selection */ alt.uai_config_index = USB_CURRENT_CONFIG_INDEX; alt.uai_interface_index = 0; alt.uai_alt_no = alternate; if (ioctl(dev->fd, USB_SET_ALTINTERFACE, &alt) < 0) { perror("USB_SET_ALTINTERFACE"); return -1; } return 0; }