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# Copyright (c) 2014 Timm Murray |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# |
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# * Redistributions of source code must retain the above copyright notice, |
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# this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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package Device::WebIO::Device::DigitalInput; |
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$Device::WebIO::Device::DigitalInput::VERSION = '0.009'; |
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use v5.12; |
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use Moo::Role; |
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with 'Device::WebIO::Device'; |
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requires 'input_pin_count'; |
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requires 'input_pin'; |
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requires 'set_as_input'; |
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requires 'is_set_input'; |
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# There may be more efficient ways to do this on your platform. Override |
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# this if there are. |
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sub input_port |
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{ |
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my ($self) = @_; |
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my $value = 0; |
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for (0 .. ($self->input_pin_count - 1)) { |
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my $pin_value = $self->input_pin( $_ ); |
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$pin_value //= 0; |
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$value |= ($pin_value << $_); |
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} |
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return $value; |
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} |
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1; |
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__END__ |