1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#include <fcntl.h>
#include <linux/lirc.h>
#include <stdio.h>
#include <stdint.h>
#include <sys/ioctl.h>
#include <unistd.h>
unsigned int b[67] = { 171, 171, 22, 64, 22, 64, 22, 64,
22, 21, 22, 21, 22, 20, 22, 21,
22, 21, 22, 64, 22, 64, 22, 64,
22, 21, 22, 21, 22, 21, 22, 21,
22, 21, 22, 64, 22, 64, 22, 64,
22, 21, 21, 21, 22, 21, 22, 21,
22, 21, 22, 21, 22, 21, 22, 21,
22, 64, 22, 64, 22, 64, 22, 64,
22, 64, 22
};
int main(void)
{
int fd, ret;
ssize_t n;
uint32_t val;
fd = open("/dev/lirc0", O_RDWR);
if (fd < 0) {
fprintf(stderr, "unable to open the device\n");
return -1;
}
/***** send test *****/
val = 608000;
ret = ioctl(fd, LIRC_SET_SEND_CARRIER, &val);
if (ret < 0) {
fprintf(stderr, "LIRC_SET_SEND_CARRIER failed\n");
return -1;
}
val = 60;
ret = ioctl(fd, LIRC_SET_SEND_DUTY_CYCLE, &val);
if (ret < 0) {
fprintf(stderr, "LIRC_SET_SEND_CARRIER failed\n");
return -1;
}
n = write(fd, b, sizeof(b));
if (n < 0) {
fprintf(stderr, "unable to write to the device\n");
ret = -1;
} else if (n != sizeof(b)) {
fprintf(stderr, "failed to write everything, wrote %ld instead\n", n);
ret = -1;
} else {
fprintf(stdout, "wrote all the %ld data\n", n);
}
close(fd);
return ret;
}
|
