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779 | - | 1 | #!/usr/bin/perl |
2 | #!/usr/bin/perl -d:ptkdb |
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3 | |||
4 | ############################################################################### |
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5 | # |
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6 | # mktrack.pl - Tracking Antenne |
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7 | # |
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8 | # Copyright (C) 2009 Rainer Walther (rainerwalther-mail@web.de) |
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9 | # |
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10 | # Creative Commons Lizenz mit den Zusaetzen (by, nc, sa) |
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11 | # |
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12 | # Es ist Ihnen gestattet: |
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13 | # * das Werk vervielfältigen, verbreiten und öffentlich zugänglich machen |
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14 | # * Abwandlungen bzw. Bearbeitungen des Inhaltes anfertigen |
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15 | # |
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16 | # Zu den folgenden Bedingungen: |
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17 | # * Namensnennung. |
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18 | # Sie müssen den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen. |
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19 | # * Keine kommerzielle Nutzung. |
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20 | # Dieses Werk darf nicht für kommerzielle Zwecke verwendet werden. |
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21 | # * Weitergabe unter gleichen Bedingungen. |
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22 | # Wenn Sie den lizenzierten Inhalt bearbeiten oder in anderer Weise umgestalten, |
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23 | # verändern oder als Grundlage für einen anderen Inhalt verwenden, |
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24 | # dürfen Sie den neu entstandenen Inhalt nur unter Verwendung von Lizenzbedingungen |
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25 | # weitergeben, die mit denen dieses Lizenzvertrages identisch oder vergleichbar sind. |
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26 | # |
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27 | # Im Falle einer Verbreitung müssen Sie anderen die Lizenzbedingungen, unter welche dieses |
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28 | # Werk fällt, mitteilen. Am Einfachsten ist es, einen Link auf diese Seite einzubinden. |
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29 | # |
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30 | # Jede der vorgenannten Bedingungen kann aufgehoben werden, sofern Sie die Einwilligung |
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31 | # des Rechteinhabers dazu erhalten. |
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32 | # |
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33 | # Diese Lizenz lässt die Urheberpersönlichkeitsrechte unberührt. |
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34 | # |
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35 | # Weitere Details zur Lizenzbestimmung gibt es hier: |
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36 | # Kurzform: http://creativecommons.org/licenses/by-nc-sa/3.0/de/ |
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37 | # Komplett: http://creativecommons.org/licenses/by-nc-sa/3.0/de/legalcode |
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38 | # |
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39 | ############################################################################### |
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40 | # 2009-02-14 0.0.1 rw created |
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41 | # 2009-04-01 0.1.0 rw RC1 |
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42 | # 2009-06-14 0.1.1 rw Tilt-Servo added |
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43 | # 2009-08-15 0.1.2 rw Flip Pan/Tilt servo for >180 degree |
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44 | # config servo direction and range |
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45 | # optional get antenna home position from Map-config |
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46 | # Signal handler replaced by command-queue |
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47 | # 2009-09-30 0.1.3 rw Commandline parameter added |
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48 | # 2009-10-07 0.1.4 rw COM-Port > 9 |
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49 | # Servo Speed, neutral position and 8 bit position |
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50 | # Add Coldstart command |
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51 | # Relax servo at shutdown |
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52 | # PortSetSkip config |
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53 | # 2010-01-02 0.1.5 rw bugfix |
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54 | # 2010-03-12 0.1.6 rw Pololu Maestro-6 Controller |
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55 | # |
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56 | ############################################################################### |
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57 | |||
58 | $Version{'track.pl'} = "0.1.6 - 2010-03-12"; |
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59 | |||
60 | |||
61 | if ( $0 =~ /track.pl$/i ) |
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62 | { |
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63 | # Program wurde direkt aufgerufen |
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64 | |||
65 | # change working directory to program path |
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66 | my $Cwd = substr ($0, 0, rindex ($0, "track.pl")); |
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67 | chdir $Cwd; |
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68 | |||
69 | # set path for local Perl libs |
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70 | push @INC, $Cwd . "perl/lib"; |
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71 | } |
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72 | |||
73 | |||
74 | # Packages |
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75 | use Time::HiRes qw(usleep gettimeofday); # http://search.cpan.org/~jhi/Time-HiRes-1.9719/HiRes.pm |
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76 | use threads; # http://search.cpan.org/~jdhedden/threads-1.72/threads.pm |
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77 | # http://perldoc.perl.org/threads.html |
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78 | use threads::shared; # http://search.cpan.org/~jdhedden/threads-shared-1.28/shared.pm |
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79 | use Thread::Queue; # http://search.cpan.org/dist/Thread-Queue-2.11/lib/Thread/Queue.pm |
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80 | use Math::Trig; |
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81 | use Geo::Ellipsoid; # http://search.cpan.org/dist/Geo-Ellipsoid-1.12/lib/Geo/Ellipsoid.pm |
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82 | # http://www.kompf.de/gps/distcalc.html |
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83 | # http://www.herrmann-w.de/Geocaching/Downloads/Richt.XLS |
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84 | # http://williams.best.vwh.net/avform.htm |
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85 | # http://williams.best.vwh.net/gccalc.html |
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86 | # http://de.wikipedia.org/wiki/Orthodrome |
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87 | if ( $^O =~ /Win32/i ) |
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88 | { |
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89 | require Win32::SerialPort; # http://search.cpan.org/dist/Win32-SerialPort |
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90 | } |
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91 | else |
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92 | { |
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93 | require Device::SerialPort; # http://search.cpan.org/~cook/Device-SerialPort-1.04/SerialPort.pm |
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94 | } |
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95 | |||
96 | require "mkcomm.pl"; # MK communication |
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97 | |||
98 | # Sharing for Threads |
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99 | share (@ServoPos); |
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100 | share (%MkTrack); |
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101 | |||
102 | # Queue for receiving commands |
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103 | $TrackQueue = Thread::Queue->new(); |
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104 | |||
105 | # Commandline |
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106 | my %CmdLine = @ARGV; |
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107 | |||
108 | # |
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109 | # Parameter |
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110 | # |
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111 | |||
112 | $SysTimerResolution = 1000; # System Timer resolution in us |
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113 | $TrackInterval = 50; # Tracking in ms |
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114 | |||
115 | # Com Port for Pololu Mikro-Servoboard |
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116 | # http://www.shop.robotikhardware.de/shop/catalog/product_info.php?cPath=65&products_id=118 |
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117 | my $ComPort = $Cfg->{'track'}->{'Port'} || "COM8"; |
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118 | |||
119 | # Servo parameter |
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120 | $ServoPan = 0; # Servo channel Pan |
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121 | $ServoTilt = 1; # Servo channel Tilt |
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122 | $MkTrack{'ServoPan'} = $ServoPan; |
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123 | $MkTrack{'ServoTilt'} = $ServoTilt; |
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124 | @ServoSpeed = (200/40, 200/40, 200/40, 200/40, 200/40, 200/40, 200/40, 200/40); # ms/degree |
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125 | $ServoConstPpm = 20; # PPM protocol overhead in ms |
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126 | |||
127 | # Servo Parameter defaults |
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128 | @ServoPar = ( { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 0 |
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129 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 1 |
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130 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 2 |
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131 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 3 |
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132 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 4 |
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133 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 5 |
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134 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 6 |
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135 | { Min => 1000, Mid => 1500, Max => 2000, Speed => 0, Accel => 0, }, # Servo 7 |
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136 | ); |
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137 | |||
138 | # Read configuration |
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139 | $ServoPar[$ServoPan]{'Min'} = $Cfg->{'track'}->{'ServoPanLeft'} || "1000"; |
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140 | $ServoPar[$ServoPan]{'Mid'} = $Cfg->{'track'}->{'ServoPanMiddle'} || "1500"; |
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141 | $ServoPar[$ServoPan]{'Max'} = $Cfg->{'track'}->{'ServoPanRight'} || "2000"; |
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142 | $ServoPar[$ServoPan]{'Speed'} = $Cfg->{'track'}->{'ServoPanSpeed'} || "0"; |
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143 | $ServoPar[$ServoPan]{'Accel'} = $Cfg->{'track'}->{'ServoPanAccel'} || "0"; |
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144 | |||
145 | $ServoPar[$ServoTilt]{'Min'} = $Cfg->{'track'}->{'ServoTiltFront'} || "1000"; |
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146 | $ServoPar[$ServoTilt]{'Mid'} = $Cfg->{'track'}->{'ServoTiltTop'} || "1500"; |
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147 | $ServoPar[$ServoTilt]{'Max'} = $Cfg->{'track'}->{'ServoTiltBack'} || "2000"; |
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148 | $ServoPar[$ServoTilt]{'Speed'} = $Cfg->{'track'}->{'ServoTiltSpeed'} || "0"; |
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149 | $ServoPar[$ServoTilt]{'Accel'} = $Cfg->{'track'}->{'ServoTiltAccel'} || "0"; |
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150 | |||
151 | my $ServoController = $Cfg->{'track'}->{'ServoController'} || "Pololu Micro Serial"; |
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152 | |||
153 | # Debug |
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154 | $MkTrack{'ServoPanLeft'} = $ServoPar[$ServoPan]{'Min'}; |
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155 | $MkTrack{'ServoPanMiddle'} = $ServoPar[$ServoPan]{'Mid'}; |
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156 | $MkTrack{'ServoPanRight'} = $ServoPar[$ServoPan]{'Max'}; |
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157 | $MkTrack{'ServoPanSpeed'} = $ServoPar[$ServoPan]{'Speed'}; |
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158 | $MkTrack{'ServoPanAccel'} = $ServoPar[$ServoPan]{'Accel'}; |
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159 | |||
160 | $MkTrack{'ServoTiltLeft'} = $ServoPar[$ServoTilt]{'Min'}; |
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161 | $MkTrack{'ServoTiltMiddle'} = $ServoPar[$ServoTilt]{'Mid'}; |
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162 | $MkTrack{'ServoTiltRight'} = $ServoPar[$ServoTilt]{'Max'}; |
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163 | $MkTrack{'ServoTiltSpeed'} = $ServoPar[$ServoTilt]{'Speed'}; |
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164 | $MkTrack{'ServoTiltAccel'} = $ServoPar[$ServoTilt]{'Accel'}; |
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165 | |||
166 | $MkTrack{'ServoController'} = $ServoController; |
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167 | |||
168 | # Pan, Tilt in degrees for servo test |
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169 | @ServoTest = ( [ 90, 0 ], |
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170 | [ 180, 0 ], |
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171 | [ 180, 90 ], |
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172 | [ 90, 0 ], |
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173 | [ 0, 0 ], |
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174 | [ 0, 90 ], |
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175 | [ 90, 0 ], |
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176 | [ 90, 180 ], |
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177 | [ 90, 0 ], ); |
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178 | |||
179 | # |
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180 | # Timer |
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181 | # |
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182 | |||
183 | sub SetTimer_ms() |
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184 | { |
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185 | return $SysTimerCount_ms + $_[0]; |
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186 | } |
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187 | |||
188 | sub CheckTimer_ms() |
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189 | { |
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190 | my $Diff = $_[0] - $SysTimerCount_ms; |
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191 | return ($Diff <= 0); |
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192 | } |
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193 | |||
194 | # |
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195 | # Servo |
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196 | # |
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197 | |||
198 | sub ServoInit() |
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199 | { |
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200 | # open COM-Port |
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201 | undef $ServoPort; |
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202 | |||
203 | if ( $ComPort =~ /^COM/i ) |
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204 | { |
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205 | $ComPort = "\\\\.\\" . $ComPort; # for Port > 9 required |
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206 | } |
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207 | |||
208 | if ( $^O =~ m/Win32/ ) |
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209 | { |
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210 | $ServoPort = Win32::SerialPort->new ($ComPort) || die "Error open $ComPort\n"; |
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211 | } |
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212 | else |
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213 | { |
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214 | $ServoPort = Device::SerialPort->new ($ComPort) || die "Error open $ComPort\n"; |
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215 | } |
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216 | |||
217 | if ( ! ($Cfg->{'track'}->{'PortSetSkip'} =~ /y/i) ) |
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218 | { |
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219 | # Set COM parameters, don't set for Bluetooth device |
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220 | $ServoPort->baudrate(38400); |
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221 | $ServoPort->parity("none"); |
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222 | $ServoPort->databits(8); |
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223 | $ServoPort->stopbits(1); |
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224 | $ServoPort->handshake('none'); |
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225 | $ServoPort->write_settings; |
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226 | } |
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227 | |||
228 | if ( $ServoController =~ /Pololu Micro Serial/i ) |
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229 | { |
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230 | # Byte 1: sync - Pololu Mode |
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231 | # Byte 2: device |
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232 | # Byte 3: command |
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233 | # Byte 4: Servo num |
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234 | |||
235 | # Byte 5: Set Speed 0, 1..127, 0=full speed |
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236 | # Speed Pan/Tilt servo #0/#1 |
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237 | my $Output = pack('C*', 0x80, 0x01, 0x01, $ServoPan, $ServoPar[$ServoPan]{'Speed'} ); |
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238 | $ServoPort->write($Output); |
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239 | my $Output = pack('C*', 0x80, 0x01, 0x01, $ServoTilt, $ServoPar[$ServoTilt]{'Speed'} ); |
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240 | $ServoPort->write($Output); |
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241 | |||
242 | # Acceleration not supported |
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243 | } |
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244 | |||
245 | elsif ( $ServoController =~ /Pololu Maestro/i ) |
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246 | { |
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247 | # Pololu compact protocoll |
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248 | # Byte 1: Command |
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249 | # Byte 2: device |
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250 | # Byte 3: low bits 0..6 |
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251 | # Byte 4: high bits 7..14 |
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252 | |||
253 | # Speed |
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254 | my $Speed = $ServoPar[$ServoPan]{'Speed'}; |
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255 | my $Output = pack('C*', 0x87, $ServoPan, $Speed & 0x7f, ($Speed >> 7) & 0x7f ); |
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256 | $ServoPort->write($Output); |
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257 | |||
258 | my $Speed = $ServoPar[$ServoTilt]{'Speed'}; |
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259 | my $Output = pack('C*', 0x87, $ServoTilt, $Speed & 0x7f, ($Speed >> 7) & 0x7f ); |
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260 | $ServoPort->write($Output); |
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261 | |||
262 | # Acceleration |
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263 | my $Accel = $ServoPar[$ServoPan]{'Accel'}; |
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264 | my $Output = pack('C*', 0x89, $ServoPan, $Accel & 0x7f, ($Accel >> 7) & 0x7f ); |
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265 | $ServoPort->write($Output); |
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266 | |||
267 | my $Accel = $ServoPar[$ServoTilt]{'Accel'}; |
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268 | my $Output = pack('C*', 0x89, $ServoTilt, $Accel & 0x7f, ($Accel >> 7) & 0x7f ); |
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269 | $ServoPort->write($Output); |
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270 | } |
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271 | |||
272 | @ServoStartTime = (0, 0, 0, 0, 0, 0, 0, 0); # Timestamp of last ServoMove() call |
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273 | @ServoEndTime = (0, 0, 0, 0, 0, 0, 0, 0); # Timestamp of estimated arrival at end position |
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274 | @ServoPos = (90, 90, 90, 90, 90, 90, 90, 90); # Current servo position 0..180 degree |
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275 | } |
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276 | |||
277 | |||
278 | sub ServoMove() |
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279 | { |
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280 | my ($Num, $Angel, $Time) = @_; |
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281 | |||
282 | my $Overhead = 0; |
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283 | |||
284 | if ( $Angel != $ServoPos[$Num] ) |
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285 | { |
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286 | if ( $Angel < 0) {$Angel = 0;} |
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287 | if ( $Angel > 180) {$Angel = 180;} |
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288 | |||
289 | my $Pos = $Angel - 90; # -90..0..90 |
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290 | |||
291 | my $Min = $ServoPar[$Num]{'Min'}; |
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292 | my $Mid = $ServoPar[$Num]{'Mid'}; |
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293 | my $Max = $ServoPar[$Num]{'Max'}; |
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294 | |||
295 | if ( $Pos >= 0 ) |
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296 | { |
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297 | $Pos = int ($Mid + $Pos / 90 * ($Max - $Mid) + 0.5); |
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298 | } |
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299 | else |
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300 | { |
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301 | $Pos = int ($Mid + $Pos / 90 * ($Mid - $Min) + 0.5); |
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302 | } |
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303 | |||
304 | if ( $ServoController =~ /Pololu Micro Serial/i ) |
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305 | { |
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306 | # output to COM port |
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307 | # Byte 1: sync - Pololu Mode |
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308 | # Byte 2: device |
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309 | # Byte 3: command |
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310 | # Byte 4: Servo num |
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311 | # Byte 5: bits 7..14 in 0.5 us |
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312 | # Byte 6: bits 0..6 in 0.5 us |
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313 | |||
314 | $Pos *= 2; # 0.5 us resolution |
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315 | |||
316 | my $Output = pack('C*', 0x80, 0x01, 0x04, $Num, ($Pos >> 7) & 0x7f, $Pos & 0x7f ); |
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317 | $ServoPort->write($Output); |
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318 | } |
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319 | |||
320 | elsif ( $ServoController =~ /Pololu Maestro/i ) |
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321 | { |
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322 | # Pololu compact protocoll |
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323 | # Byte 1: Command |
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324 | # Byte 2: device |
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325 | # Byte 3: low bits 0..6 in 0.25 us |
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326 | # Byte 4: high bits 7..14 in 0.25 us |
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327 | |||
328 | $Pos *= 4; # 0.25 us resolution |
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329 | |||
330 | my $Output = pack('C*', 0x84, $Num, $Pos & 0x7f, ($Pos >> 7) & 0x7f ); |
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331 | $ServoPort->write($Output); |
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332 | } |
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333 | |||
334 | $Overhead += $ServoConstPpm; # PPM protocol overhead |
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335 | } |
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336 | |||
337 | # set timer stuff for travel time predicion |
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338 | my $LastAngel = $ServoPos[$Num]; |
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339 | my $EstimatedTime = abs($Angel - $LastAngel) * $ServoSpeed[$Num] + $Overhead; |
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340 | if ( $Time > 0 ) |
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341 | { |
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342 | # Parameter override |
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343 | $EstimatedTime = $Time; |
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344 | } |
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345 | $ServoStartTime[$Num] = $SysTimerCount_ms; |
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346 | $ServoEndTime[$Num] = $SysTimerCount_ms + $EstimatedTime; |
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347 | $ServoPos[$Num] = $Angel; |
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348 | |||
349 | return $ServoEndTime[$Num]; |
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350 | } |
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351 | |||
352 | |||
353 | # switch off servo |
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354 | sub ServoRelax() |
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355 | { |
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356 | if ( defined $ServoPort ) |
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357 | { |
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358 | if ( $ServoController =~ /Pololu Micro Serial/i ) |
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359 | { |
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360 | |||
361 | # Byte 1: sync - Pololu Mode |
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362 | # Byte 2: device |
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363 | # Byte 3: command |
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364 | # Byte 4: Servo num |
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365 | |||
366 | # Byte 5: Set Parameter |
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367 | # Bit 6: Servo on/off |
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368 | # Bit 5: Direction |
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369 | # Bit 4-0: Servo Range |
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370 | # Set Pan/Tilt servo #0/#1 |
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371 | my $Output = pack('C*', 0x80, 0x01, 0x00, $ServoPan, 0x00 | 15 ); |
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372 | $ServoPort->write($Output); |
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373 | my $Output = pack('C*', 0x80, 0x01, 0x00, $ServoTilt, 0x00 | 15 ); |
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374 | $ServoPort->write($Output); |
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375 | } |
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376 | |||
377 | elsif ( $ServoController =~ /Pololu Maestro/i ) |
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378 | { |
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379 | # not supported |
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380 | } |
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381 | } |
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382 | } |
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383 | |||
384 | |||
385 | # Check, if servo has reached end position |
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386 | sub ServoCheck() |
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387 | { |
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388 | my $Num = $_[0]; |
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389 | return &CheckTimer_ms($ServoEndTime[$Num]); |
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390 | } |
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391 | |||
392 | |||
393 | sub ServoClose() |
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394 | { |
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395 | # close COM-Port |
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396 | undef $ServoPort; |
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397 | } |
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398 | |||
399 | # |
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400 | # Track it |
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401 | # |
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402 | |||
403 | sub TrackAntennaGps() |
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404 | { |
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405 | |||
406 | # initialize system-timer |
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407 | $SysTimerCount_ms = 0; |
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408 | $SysTimerError = 0; |
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409 | ($t0_s, $t0_us) = gettimeofday; |
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410 | |||
411 | # |
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412 | # State maschine |
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413 | # |
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414 | |||
415 | my $State = "Idle"; |
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416 | while (1) |
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417 | { |
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418 | |||
419 | $MkTrack{'State'} = $State; # export state |
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420 | |||
421 | # |
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422 | # Idle |
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423 | # |
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424 | if ( $State eq "Idle" ) |
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425 | { |
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426 | # nothing to do. Wait for commands in TrackQueue |
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427 | } |
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428 | |||
429 | # |
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430 | # ColdStart |
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431 | # |
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432 | elsif ( $State eq "ColdStart" ) |
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433 | { |
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434 | &ServoInit(); |
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435 | |||
436 | |||
437 | $ServoTestIndex = 0; |
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438 | |||
439 | $State = "InitServoTest"; |
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440 | } |
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441 | |||
442 | # |
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443 | # Start servo test |
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444 | # doesn't really make much sense, but looks cool:-) |
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445 | # |
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446 | |||
447 | elsif ( $State eq "InitServoTest") |
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448 | { |
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449 | if ( &ServoCheck ($ServoPan) and &ServoCheck ($ServoTilt) ) |
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450 | { |
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451 | |||
452 | my $PanPos = $ServoTest[$ServoTestIndex][0]; |
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453 | my $TiltPos = $ServoTest[$ServoTestIndex][1]; |
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454 | $ServoTestIndex ++; |
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455 | |||
456 | if ( defined $PanPos and defined $TiltPos ) |
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457 | { |
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458 | my $Delay = 200; |
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459 | my $LastPan = $ServoPos[$ServoPan]; |
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460 | my $LastTilt = $ServoPos[$ServoTilt]; |
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461 | |||
462 | my $ServoPanSpeed = $ServoPar[$ServoPan]{'Speed'}; |
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463 | my $ServoTiltSpeed = $ServoPar[$ServoTilt]{'Speed'}; |
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464 | |||
465 | if ( $ServoController =~ /Pololu Micro Serial/i ) |
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466 | { |
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467 | # 50 us/s |
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468 | } |
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469 | elsif ( $ServoController =~ /Pololu Maestro/i ) |
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470 | { |
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471 | # 25 us/s |
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472 | $ServoPanSpeed /= 2; |
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473 | $ServoTiltSpeed /= 2; |
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474 | } |
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475 | |||
476 | my $EstimatedPan = 1000; |
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477 | if ( $ServoPanSpeed != 0 ) |
||
478 | { |
||
479 | # about 2ms/180degree pulse, 50us/s servo pulse change per unit |
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480 | $EstimatedPan = abs($PanPos - $LastPan) * 0.002/180 / ($ServoPanSpeed * 0.000050) * 1000 + $Delay; |
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481 | } |
||
482 | |||
483 | my $EstimatedTilt = 1000; |
||
484 | if ( $ServoTiltSpeed != 0 ) |
||
485 | { |
||
486 | # about 2ms/180degree pulse, 50us/s servo pulse change per unit |
||
487 | $EstimatedTilt = abs($TiltPos - $LastTilt) * 0.002/180 / ($ServoTiltSpeed * 0.000050) * 1000 + $Delay; |
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488 | } |
||
489 | |||
490 | &ServoMove ($ServoPan, $PanPos, $EstimatedPan); # override travel time |
||
491 | &ServoMove ($ServoTilt, $TiltPos, $EstimatedTilt); # override travel time |
||
492 | } |
||
493 | else |
||
494 | { |
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495 | # complete |
||
496 | $ServoTestIndex = 0; |
||
497 | $State = "WaitGps"; |
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498 | } |
||
499 | } |
||
500 | } |
||
501 | |||
502 | # |
||
503 | # Servo test finisched |
||
504 | # |
||
505 | # Wait for GPS Home position and compass |
||
506 | # |
||
507 | |||
508 | elsif ( $State eq "WaitGps" ) |
||
509 | { |
||
510 | if ( &ServoCheck ($ServoPan) ) |
||
511 | { |
||
512 | lock (%MkOsd); # until end of block |
||
513 | lock (%MkTrack); |
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514 | |||
515 | if ( $MkOsd{'_Timestamp'} >= time-2 and |
||
516 | $MkOsd{'SatsInUse'} >= 6 ) |
||
517 | { |
||
518 | # gültige OSD daten vom MK und guter Satellitenempfang |
||
519 | |||
520 | # take GPS and compass from map definition or MK as antenna home-position |
||
521 | $MkTrack{'HomePos_Lon'} = $Map{'Track_Lon'} || $MkOsd{'HomePos_Lon'}; |
||
522 | $MkTrack{'HomePos_Lat'} = $Map{'Track_Lat'} || $MkOsd{'HomePos_Lat'}; |
||
523 | $MkTrack{'HomePos_Alt'} = $Map{'Track_Alt'} || $MkOsd{'HomePos_Alt'}; |
||
524 | $MkTrack{'CompassHeading'} = $Map{'Track_Bearing'} || $MkOsd{'CompassHeading'}; |
||
525 | |||
526 | $TrackTimer = &SetTimer_ms($TrackInterval); |
||
527 | |||
528 | $State = "TrackGps"; |
||
529 | } |
||
530 | } |
||
531 | } |
||
532 | |||
533 | # |
||
534 | # GPS Fix Home position |
||
535 | # Track now |
||
536 | # |
||
537 | elsif ( $State eq "TrackGps" ) |
||
538 | { |
||
539 | if ( &CheckTimer_ms($TrackTimer) and &ServoCheck($ServoPan) ) |
||
540 | { |
||
541 | $TrackTimer = &SetTimer_ms($TrackInterval); # reload Timer |
||
542 | |||
543 | lock (%MkOsd); # until end of block |
||
544 | lock (%MkTrack); |
||
545 | |||
546 | if ( $MkOsd{'_Timestamp'} >= time -2 and |
||
547 | $MkOsd{'SatsInUse'} >= 4 ) |
||
548 | { |
||
549 | # valid OSD data from the MK and sufficient satellites |
||
550 | |||
551 | my $Track_Geo = Geo::Ellipsoid->new( 'units' => 'degrees', |
||
552 | 'distance_units' => 'meter', |
||
553 | 'ellipsoid' => 'WGS84', |
||
554 | 'longitude' => 1, # Symmetric: -pi..pi |
||
555 | ); |
||
556 | |||
557 | my ($Dist, $Bearing) = $Track_Geo->to($MkTrack{'HomePos_Lat'}, $MkTrack{'HomePos_Lon'}, |
||
558 | $MkOsd{'CurPos_Lat'}, $MkOsd{'CurPos_Lon'}); |
||
559 | my $Dir_h = $MkTrack{'CompassHeading'}; |
||
560 | my $Dir_c = $MkOsd{'CompassHeading'}; |
||
561 | |||
562 | if ( $Dist < 4 ) # meter |
||
563 | { |
||
564 | # Too close to Home-Position. Set antenna to middle position |
||
565 | $Bearing = $Dir_h; |
||
566 | } |
||
567 | |||
568 | $MkTrack{'Bearing'} = sprintf ("%d", $Bearing); |
||
569 | $MkTrack{'Dist'} = sprintf ("%d", $Dist); |
||
570 | $MkTrack{'CurPos_Lon'} = $MkOsd{'CurPos_Lon'}; |
||
571 | $MkTrack{'CurPos_Lat'} = $MkOsd{'CurPos_Lat'}; |
||
572 | $MkTrack{'CurPos_Alt'} = $MkOsd{'CurPos_Alt'}; |
||
573 | |||
574 | # antenna pan direction: 0..180 degree, centre = 90 |
||
575 | my $AngelPan = $Bearing - $Dir_h + 90; |
||
576 | $AngelPan = $AngelPan % 360; |
||
577 | |||
578 | # antenna tilt direction: 0..180 degree, centre is up, 0 is front |
||
579 | my $AngelTilt = rad2deg(atan2(($MkOsd{'CurPos_Alt'} - $MkTrack{'HomePos_Alt'}), $Dist)); |
||
580 | if ( $AngelTilt < 0 ) { $AngelTilt = 0; } |
||
581 | if ( $AngelTilt > 180 ) { $AngelTilt = 180; } |
||
582 | |||
583 | if ( $AngelPan >= 180 ) |
||
584 | { |
||
585 | # Flip Pan/Tilt |
||
586 | $AngelPan = $AngelPan - 180; |
||
587 | $AngelTilt = 180 - $AngelTilt; |
||
588 | } |
||
589 | |||
590 | $MkTrack{'AngelPan'} = $AngelPan; |
||
591 | $MkTrack{'AngelTilt'} = $AngelTilt; |
||
592 | |||
593 | &ServoMove ($ServoPan, $AngelPan); |
||
594 | &ServoMove ($ServoTilt, $AngelTilt); |
||
595 | |||
596 | # Timestamp, wann der Datensatz geschtieben wurde |
||
597 | $MkTrack{'_Timestamp'} = time; |
||
598 | } |
||
599 | } |
||
600 | } |
||
601 | |||
602 | else |
||
603 | { |
||
604 | # Restart |
||
605 | $State = "ColdStart"; |
||
606 | } |
||
607 | |||
608 | # |
||
609 | # check command queue |
||
610 | # |
||
611 | while ( $TrackQueue->pending() > 0 ) |
||
612 | { |
||
613 | my $Cmd = $TrackQueue->dequeue(1); |
||
614 | |||
615 | if ( $Cmd =~ /COLDSTART/i ) |
||
616 | { |
||
617 | $State = "ColdStart"; |
||
618 | } |
||
619 | |||
620 | if ( $Cmd =~ /IDLE/i ) |
||
621 | { |
||
622 | if ( defined $ServoPort ) |
||
623 | { |
||
624 | # move all Servo to neutral position |
||
625 | &ServoMove ($ServoPan, 90); |
||
626 | &ServoMove ($ServoTilt, 0); |
||
627 | |||
628 | sleep 1; |
||
629 | &ServoRelax(); # swith off servo |
||
630 | } |
||
631 | |||
632 | $State = "Idle"; |
||
633 | } |
||
634 | } |
||
635 | |||
636 | # |
||
637 | # update system-timer |
||
638 | # |
||
639 | ($t1_s, $t1_us) = gettimeofday; |
||
640 | $SysTimerSleep_us = ($t0_s - $t1_s) * 1000000 + $t0_us - $t1_us + $SysTimerCount_ms * $SysTimerResolution; |
||
641 | |||
642 | if ($SysTimerSleep_us > 0) |
||
643 | { |
||
644 | usleep ($SysTimerSleep_us); |
||
645 | } |
||
646 | else |
||
647 | { |
||
648 | $SysTimerError ++; |
||
649 | } |
||
650 | |||
651 | $SysTimerCount_ms ++; |
||
652 | } |
||
653 | } |
||
654 | |||
655 | |||
656 | # |
||
657 | # Main Program |
||
658 | # |
||
659 | |||
660 | if ( $0 =~ /track.pl$/i ) |
||
661 | { |
||
662 | # Program wurde direkt aufgerufen |
||
663 | |||
664 | # |
||
665 | # Commandline Parameter |
||
666 | # |
||
667 | my $TrackPort = $CmdLine{'-TrackPort'}; |
||
668 | if ( $TrackPort ne "" ) |
||
669 | { |
||
670 | $ComPort = $TrackPort; |
||
671 | } |
||
672 | |||
673 | my $MkPort = $CmdLine{'-MkPort'}; |
||
674 | if ( $MkPort ne "" ) |
||
675 | { |
||
676 | $Cfg->{'mkcomm'}->{'Port'} = $MkPort; |
||
677 | } |
||
678 | |||
679 | my $Pan = $CmdLine{'-ServoPan'}; |
||
680 | if ( $Pan ne "" ) |
||
681 | { |
||
682 | my ($Min, $Mid, $Max) = split ',', $Pan; |
||
683 | $ServoPar[$ServoPan]{'Min'} = $Min; |
||
684 | $ServoPar[$ServoPan]{'Mid'} = $Mid; |
||
685 | $ServoPar[$ServoPan]{'Max'} = $Max; |
||
686 | } |
||
687 | |||
688 | my $Tilt = $CmdLine{'-ServoTilt'}; |
||
689 | if ( $Tilt ne "" ) |
||
690 | { |
||
691 | my ($Min, $Mid, $Max) = split ',', $Tilt; |
||
692 | $ServoPar[$ServoTilt]{'Min'} = $Min; |
||
693 | $ServoPar[$ServoTilt]{'Mid'} = $Mid; |
||
694 | $ServoPar[$ServoTilt]{'Max'} = $Max; |
||
695 | } |
||
696 | |||
697 | my $PanSpeed = $CmdLine{'-PanSpeed'}; |
||
698 | if ( $PanSpeed ne "" ) |
||
699 | { |
||
700 | $ServoPar[$ServoPan]{'Speed'} = $PanSpeed; |
||
701 | } |
||
702 | |||
703 | my $TiltSpeed = $CmdLine{'-TiltSpeed'}; |
||
704 | if ( $TiltSpeed ne "" ) |
||
705 | { |
||
706 | $ServoPar[$ServoTilt]{'Speed'} = $TiltSpeed; |
||
707 | } |
||
708 | |||
709 | # Kommunikation zum MK herstellen |
||
710 | # Input: %MkOsd, %MkTarget, %MkNcDebug |
||
711 | # Ouput: Thread-Queue: $MkSendQueue |
||
712 | $mk_thr = threads->create (\&MkCommLoop) -> detach(); |
||
713 | |||
714 | $TrackQueue->enqueue("COLDSTART"); # start command |
||
715 | &TrackAntennaGps(); |
||
716 | |||
717 | # should never exit |
||
718 | } |
||
719 | |||
720 | 1; |
||
721 | |||
722 | __END__ |