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package Device::DSE::Q1573; |
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3
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1
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1
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43186
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use DynaLoader; |
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1
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34
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1
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1
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1178
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use Device::SerialPort qw(:STAT); |
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43241
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1
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270
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1
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use POSIX qw(:termios_h); |
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7
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1
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8
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1
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1
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459
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use Fcntl; |
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3
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1
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357
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use strict; |
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47
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13
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BEGIN { |
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use Exporter (); |
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21
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1
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1
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6
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $PortObj); |
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1
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147
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$VERSION = '0.7'; |
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@ISA = qw(Exporter DynaLoader); |
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@EXPORT = qw(); |
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@EXPORT_OK = qw(); |
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1
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2
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%EXPORT_TAGS = (); |
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1
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bootstrap Device::DSE::Q1573, $VERSION; |
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} |
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25
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26
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#################### subroutine header begin #################### |
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28
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# Create Instance |
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30
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#################### subroutine header end #################### |
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32
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33
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sub new |
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{ |
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1
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1
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14
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my ($class, $serialport) = @_; |
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37
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1
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9
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my $self = bless ({}, ref ($class) || $class); |
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42
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1
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10
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$self->{serialport} = $serialport; |
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44
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1
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4
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return $self; |
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} |
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#################### subroutine header begin #################### |
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48
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#Read meter |
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50
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#################### subroutine header end #################### |
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52
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sub rawread { |
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54
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0
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0
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1
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my $self = shift; |
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56
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0
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my $readval; |
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0
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terminal($self->{serialport}, $readval); |
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0
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return $readval; |
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} |
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61
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62
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63
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64
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#################### main pod documentation begin ################### |
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66
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67
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68
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=head1 NAME |
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70
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Device::DSE::Q1573 - Read data from DSE Q1573 Digital Multimeter |
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72
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=head1 SYNOPSIS |
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74
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use Device::DSE::Q1573; |
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my $meter = Device::DSE::Q1573->new("/dev/ttyS0"); |
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my $reading = $meter->read(); |
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my $reading = $meter->rawread(); |
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79
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80
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=head1 DESCRIPTION |
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82
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Sets up a connection to a DSE Q1573 or Metex ME-22 |
83
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Digital Multimeter, and allows you to read measurements |
84
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from it. The data return is 14 bytes of the format: |
85
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86
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Type:Data:Units |
87
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eg reading when temperature is selected on the meter |
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will return |
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90
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"TE 0019 C " |
91
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92
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=head1 USAGE |
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94
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=head2 new(serialport) |
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96
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Usage : my $meter=Device::DSE::Q1573->new("/dev/ttyS0") |
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Purpose : Opens the meter on the specified serial port |
98
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Returns : object of type Device::DSE::Q1573 |
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Argument : serial port |
100
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101
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=head2 rawread(); |
102
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103
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Usage : my $meter->rawread() |
104
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Purpose : Returns the 14 byte string from the meter. |
105
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106
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=head2 read(); |
107
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108
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Usage : my $meter->read() |
109
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Purpose : Returns a hash of values for the reading: |
110
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111
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{ |
112
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setting => setting eg TE for temperature |
113
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value => value read eg 14 |
114
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units => units read eg C for celsius |
115
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116
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} |
117
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118
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119
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=head1 EXAMPLE |
120
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121
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use Device::DSE::Q1573; |
122
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123
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my $meter = Device::DSE::Q1573->new( "/dev/ttyS0" ); |
124
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125
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while(1) { |
126
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my $data = $meter->read(); |
127
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print $data->{value} . "\n"; |
128
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sleep(1); |
129
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} |
130
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131
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132
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=head1 AUTHOR |
133
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134
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David Peters |
135
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CPAN ID: DAVIDP |
136
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davidp@electronf.com |
137
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http://www.electronf.com |
138
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139
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=head1 COPYRIGHT |
140
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141
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This program is free software; you can redistribute |
142
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it and/or modify it under the same terms as Perl itself. |
143
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144
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The full text of the license can be found in the |
145
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LICENSE file included with this module. |
146
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147
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148
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=head1 SEE ALSO |
149
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150
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perl(1). |
151
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152
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=cut |
153
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154
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#################### main pod documentation end ################### |
155
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156
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157
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1; |
158
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159
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