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
|
/*
* PicTrack rotor plugin for gsat
*
* (c)2001 by Xavier Crehueras, EB3CZS
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
char * plugin_info( void );
int plugin_open_rotor( char * config );
void plugin_close_rotor( void );
void plugin_set_rotor( double azimuth, double elevation );
int antfd;
char * plugin_info( void )
{
return "PicTrack V1.0";
}
int plugin_open_rotor( char * config )
{
antfd=open(config, O_RDWR | O_NOCTTY | O_NDELAY);
if (antfd!=-1)
fcntl(antfd, F_SETFL, 0);
else {
fprintf(stderr,"Unable To Open Antenna Port\n");
return 0;
}
return 1;
}
void plugin_close_rotor( void )
{
close(antfd);
}
void plugin_set_rotor( double azimuth, double elevation )
{
/* This function sends Azimuth and Elevation data
to an antenna tracker connected to the serial port */
int n;
char message[30]="\n";
sprintf(message, "AZ%3.1f EL%3.1f \x0D\x0A", azimuth,elevation);
n=write(antfd,message,30);
if (n<0)
fprintf(stderr, "Error Writing To Antenna Port\n");
return;
}
|
