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1 /* $Id$
2
3 This file is part of the MSP Märklin suite
4 Copyright © 2006-2008 Mikkosoft Productions, Mikko Rasa
5 Distributed under the GPL
6 */
7
8 #include <iostream>
9 #include <msp/time/timer.h>
10 #include <msp/time/units.h>
11 #include "command.h"
12 #include "control.h"
13 #include "reply.h"
14 #include "turnout.h"
15
16 using namespace std;
17 using namespace Msp;
18
19 namespace Marklin {
20
21 Turnout::Turnout(Control &c, unsigned a):
22         control(c),
23         addr(a),
24         route(0)
25 {
26         control.add_turnout(*this);
27
28         control.signal_turnout_event.connect(sigc::mem_fun(this, &Turnout::turnout_event));
29
30         unsigned char data[2];
31         data[0]=addr&0xFF;
32         data[1]=(addr>>8)&0xFF;
33         control.command(CMD_TURNOUT_STATUS, data, 2).signal_done.connect(sigc::mem_fun(this, &Turnout::status_reply));
34 }
35
36 void Turnout::set_route(unsigned r)
37 {
38         route=r;
39
40         command(true);
41         control.set_timer(200*Time::msec).signal_timeout.connect(sigc::mem_fun(this, &Turnout::switch_timeout));
42
43         signal_route_changed.emit(route);
44 }
45
46 void Turnout::command(bool on)
47 {
48         unsigned char data[2];
49         data[0]=addr&0xFF;
50         data[1]=((addr>>8)&0x7) | (on ? 0x40 : 0) | (route==0 ? 0x80 : 0);
51         control.command(CMD_TURNOUT, data, 2);
52 }
53
54 void Turnout::status_reply(const Reply &reply)
55 {
56         if(reply.get_error()==ERR_NO_ERROR)
57         {
58                 route=(reply.get_data()[0]&0x04) ? 0 : 1;
59                 signal_route_changed.emit(route);
60         }
61 }
62
63 bool Turnout::switch_timeout()
64 {
65         command(false);
66
67         return false;
68 }
69
70 void Turnout::turnout_event(unsigned a, bool r)
71 {
72         if(a==addr && r!=route)
73         {
74                 route=r;
75                 signal_route_changed.emit(route);
76         }
77 }
78
79 } // namespace Marklin