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#include <iostream>
#include <linux/input.h>
#include <errno.h>
#include <dirent.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
/** Simple program to send events to /dev/input/eventX devices, useful
for toggling LEDs and such */
int main(int argc, char** argv)
{
if (argc != 5)
{
std::cout << "Usage: " << argv[0] << " DEVICE TYPE CODE VALUE" << std::endl;
}
else
{
const char* filename = argv[1];
struct input_event event;
event.type = atoi(argv[2]);
event.code = atoi(argv[3]);
event.value = atoi(argv[4]);
int fd = open(filename, O_RDWR);
if (fd < 0)
{
std::cout << argv[0] << ": couldn't access: " << filename << ": " << strerror(errno) << std::endl;
}
else
{
if (write(fd, &event, sizeof(event)) != sizeof(event))
{
std::cout << argv[0] << ": write error: " << filename << ": " << strerror(errno) << std::endl;
}
else
{
// std::cout << "Send: Event(type: " << event.type << ", code: " << event.code << ", value: " << event.value << ")" << std::endl;
}
close(fd);
}
}
return 0;
}
/* EOF */
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