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
60
61
62
63
64
65
66
67
|
#include <stdio.h>
#include <nexstar.h>
int simulate_push_buttons(int dev, int seconds) {
int result;
/* save the current trackig mode */
int tracking_mode = tc_get_tracking_mode(dev);
if (tracking_mode == RC_UNSUPPORTED) {
printf("Get tracking mode in unnsupported on this mount assuming: EQ NORTH\n");
tracking_mode = TC_TRACK_EQ_NORTH;
} else if (tracking_mode < 0) return tracking_mode;
/* Celestron advises to disable tracking before issuing slew
commands at rates above 2 and reenable it after finishing */
result = tc_set_tracking_mode(dev, TC_TRACK_OFF);
if (result != 0) return result;
/* start slewing at rate 7.5"/s */
result = tc_slew_fixed(dev, TC_AXIS_DE, TC_DIR_POSITIVE, 9);
if (result != 0) return result;
result = tc_slew_fixed(dev, TC_AXIS_RA, TC_DIR_POSITIVE, 9);
if (result != 0) return result;
/* sleep several seconds */
sleep(seconds);
/* stop slewing (call slew with rate = 0) */
result = tc_slew_fixed(dev, TC_AXIS_DE, TC_DIR_POSITIVE, 0);
if (result != 0) return result;
result = tc_slew_fixed(dev, TC_AXIS_RA, TC_DIR_POSITIVE, 0);
if (result != 0) return result;
/* reenable previous tracking mode */
result = tc_set_tracking_mode(dev, tracking_mode);
if (result != 0) return result;
return 0;
}
int main(int argc, char *argv[]) {
if (argc != 2) {
printf("usage: %s SERIAL_PORT\n", argv[0]);
printf("SERIAL_PORT can be /dev/ttyUSB0, /dev/ttyS0, /dev/cu.usbserial etc.\n");
return 0;
}
int dev = open_telescope(argv[1]);
if (dev < 0) {
printf("Can not open device: %s\n", argv[1]);
return 1;
}
enforce_protocol_version(dev,VER_AUTO);
/* simulate pushing the hand control buttons for 5 seconds */
int result = simulate_push_buttons(dev, 5);
if (result < 0) {
printf("Something went wrong! Error code: %d\n", result);
close_telescope(dev);
return 1;
}
close_telescope(dev);
}
|
