1 /* sendevent.c - Send Linux input events.
2 *
3 * Copyright 2016 The Android Open Source Project
4
5 USE_SENDEVENT(NEWTOY(sendevent, "<4>4", TOYFLAG_USR|TOYFLAG_SBIN))
6
7 config SENDEVENT
8 bool "sendevent"
9 default y
10 depends on TOYBOX_ON_ANDROID
11 help
12 usage: sendevent DEVICE TYPE CODE VALUE
13
14 Sends a Linux input event.
15 */
16
17 #define FOR_sendevent
18 #include "toys.h"
19
20 #include <linux/input.h>
21
sendevent_main(void)22 void sendevent_main(void)
23 {
24 int fd = xopen(*toys.optargs, O_RDWR);
25 int version;
26 struct input_event ev;
27
28 if (ioctl(fd, EVIOCGVERSION, &version))
29 perror_exit("EVIOCGVERSION failed for %s", *toys.optargs);
30
31 memset(&ev, 0, sizeof(ev));
32 // TODO: error checking and support for named constants.
33 ev.type = atoi(toys.optargs[1]);
34 ev.code = atoi(toys.optargs[2]);
35 ev.value = atoi(toys.optargs[3]);
36 xwrite(fd, &ev, sizeof(ev));
37 }
38