On 17/04/2012, Jiri Kosina <jkosina@xxxxxxx> wrote: > On Thu, 22 Sep 2011, Benjamin Tissoires wrote: > >> Hi Richard, >> >> here, you'll find a small C program that allows you to do a pairing of >> a new device to a receiver. >> >> compile it with with gcc -o pairing_tool pairing_tool.c > > Could this perhaps be provided into Documentation/ or samples/ somewhere? > I don't think that Logitech themselves do ship pairing application for > Linux, or do they? > Hi Jiri, well, I don't have any information about an official pairing tool. However, I don't think the kernel is the good place for this stuff. Other people started projects based on this code: https://bitbucket.org/clach04/logitech-unifying-receiver-tools/ for instance. Thanks, Benjamin > If they don't, it'd be nice to have this at least documented somewhere, so > that someone could write a pairing GUI. > > Thanks. > >> >> --------------------------------- file pairing_tool.c >> --------------------------------- >> /* >> * Copyright 2011 Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx> >> * >> * This program is free software: you can redistribute it and/or modify >> * it under the terms of the GNU General Public License as published by >> * the Free Software Foundation, either version 3 of the License, or >> * (at your option) any later version. >> * >> * This program is distributed in the hope that it will be useful, >> * but WITHOUT ANY WARRANTY; without even the implied warranty of >> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> * GNU General Public License for more details. >> * >> * You should have received a copy of the GNU General Public License >> * along with this program. If not, see <http://www.gnu.org/licenses/>. >> */ >> >> #include <linux/input.h> >> #include <linux/hidraw.h> >> #include <sys/ioctl.h> >> #include <fcntl.h> >> #include <unistd.h> >> #include <stdio.h> >> #include <errno.h> >> >> #define USB_VENDOR_ID_LOGITECH (__u32)0x046d >> #define USB_DEVICE_ID_UNIFYING_RECEIVER (__s16)0xc52b >> #define USB_DEVICE_ID_UNIFYING_RECEIVER_2 (__s16)0xc532 >> >> int main(int argc, char **argv) >> { >> int fd; >> int res; >> struct hidraw_devinfo info; >> char magic_sequence[] = {0x10, 0xFF, 0x80, 0xB2, 0x01, 0x00, 0x00}; >> >> if (argc == 1) { >> errno = EINVAL; >> perror("No hidraw device given"); >> return 1; >> } >> >> /* Open the Device with non-blocking reads. */ >> fd = open(argv[1], O_RDWR|O_NONBLOCK); >> >> if (fd < 0) { >> perror("Unable to open device"); >> return 1; >> } >> >> /* Get Raw Info */ >> res = ioctl(fd, HIDIOCGRAWINFO, &info); >> if (res < 0) { >> perror("error while getting info from device"); >> } else { >> if (info.bustype != BUS_USB || >> info.vendor != USB_VENDOR_ID_LOGITECH || >> (info.product != USB_DEVICE_ID_UNIFYING_RECEIVER && >> info.product != USB_DEVICE_ID_UNIFYING_RECEIVER_2)) { >> errno = EPERM; >> perror("The given device is not a Logitech " >> "Unifying Receiver"); >> return 1; >> } >> } >> >> /* Send the magic sequence to the Device */ >> res = write(fd, magic_sequence, sizeof(magic_sequence)); >> if (res < 0) { >> printf("Error: %d\n", errno); >> perror("write"); >> } else if (res == sizeof(magic_sequence)) { >> printf("The receiver is ready to pair a new device.\n" >> "Switch your device on to pair it.\n"); >> } else { >> errno = ENOMEM; >> printf("write: %d were written instead of %ld.\n", res, >> sizeof(magic_sequence)); >> perror("write"); >> } >> close(fd); >> return 0; >> } > > -- > Jiri Kosina > SUSE Labs > > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
