55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
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#include <errno.h>
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#include <fcntl.h>
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#include <linux/input.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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static void sendevent(int fd, int type, int code, int value)
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{
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struct input_event event;
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ssize_t ret;
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memset(&event, 0, sizeof(event));
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event.type = type;
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event.code = code;
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event.value = value;
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ret = write(fd, &event, sizeof(event));
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if(ret < (ssize_t) sizeof(event)) {
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fprintf(stderr, "write event failed, %s\n", strerror(errno));
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}
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}
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int main(int argc, char *argv[])
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{
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int fd;
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int version;
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fd = open("/dev/input/virtkey", O_RDWR);
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if(fd < 0) {
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fprintf(stderr, "could not open %s\n", "/dev/input/virtkey");
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return 1;
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}
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if (ioctl(fd, EVIOCGVERSION, &version)) {
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fprintf(stderr, "could not get driver version for %s, %s\n", argv[optind], strerror(errno));
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return 1;
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}
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sendevent(fd, 1, 125, 1); //win
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sendevent(fd, 1, 31, 1); //S
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usleep(10000);
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sendevent(fd, 1, 31, 0);
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sendevent(fd, 1, 125, 0);
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sendevent(fd, 0, 0, 0);
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close(fd);
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return 0;
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}
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