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Added reconnect command

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This commit is contained in:
Ingo Ruhnke 2009-01-18 10:19:26 +01:00
parent 77729257e3
commit c8dcfe60fc
1 changed files with 48 additions and 14 deletions
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62
tools/usbtool.c
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@ -1,6 +1,6 @@
/*
** Xbox/Xbox360 USB Gamepad Userspace Driver
** Copyright (C) 2008 Ingo Ruhnke <grumbel@gmx.de>
** usbtool - simple tool to (dis)connect a usb devices from a kernel driver
** Copyright (C) 2009 Ingo Ruhnke <grumbel@gmx.de>
**
** 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
@ -16,6 +16,7 @@
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
@ -31,9 +32,22 @@ void print_usage(int argc, char** argv)
{
printf("Usage: %s connect /dev/bus/usb/${BUS}/${DEV}\n", argv[0]);
printf(" %s disconnect /dev/bus/usb/${BUS}/${DEV}\n", argv[0]);
printf(" %s reconnect /dev/bus/usb/${BUS}/${DEV}\n", argv[0]);
printf("Disconnect or reconnect USB devices\n");
}
int send_usb_cmd(int fd, int cmd)
{
struct usbdevfs_ioctl command;
command.ifno = 0; // interface number, does it matter?
command.ioctl_code = cmd;
command.data = NULL;
return ioctl(fd, USBDEVFS_IOCTL, &command);
}
int main(int argc, char** argv)
{
if (argc != 3)
@ -43,14 +57,22 @@ int main(int argc, char** argv)
}
else
{
int connect;
enum Command { CMD_CONNECT,
CMD_DISCONNECT,
CMD_RECONNECT
} cmd;
if (strcmp(argv[1], "connect") == 0)
{
connect = 1;
cmd = CMD_CONNECT;
}
else if (strcmp(argv[1], "disconnect") == 0)
{
connect = 0;
cmd = CMD_DISCONNECT;
}
else if (strcmp(argv[1], "reconnect") == 0)
{
cmd = CMD_RECONNECT;
}
else
{
@ -67,17 +89,29 @@ int main(int argc, char** argv)
}
else
{
struct usbdevfs_ioctl command;
int ret = 0;
switch (cmd)
{
case CMD_CONNECT:
ret = send_usb_cmd(fd, USBDEVFS_CONNECT);
break;
case CMD_DISCONNECT:
ret = send_usb_cmd(fd, USBDEVFS_DISCONNECT);
break;
command.ifno = 0; // interface number, does it matter?
if (connect)
command.ioctl_code = USBDEVFS_CONNECT;
else
command.ioctl_code = USBDEVFS_DISCONNECT;
command.data = NULL;
int ret = ioctl(fd, USBDEVFS_IOCTL, &command);
case CMD_RECONNECT:
ret = send_usb_cmd(fd, USBDEVFS_DISCONNECT);
if (ret < 0) goto error_handling;
sleep(1);
ret = send_usb_cmd(fd, USBDEVFS_CONNECT);
break;
default:
assert(!"Never reached");
}
error_handling:
if (ret < 0)
{
printf("%s: Could not issue usb %s on %s: %s\n", argv[0], argv[1], argv[2], strerror(errno));