File Coverage

blib/lib/Device/WebIO/Device/DigitalInput.pm

Criterion	Covered	Total	%
statement	13	13	100.0
branch			n/a
condition	2	2	100.0
subroutine	3	3	100.0
pod	1	1	100.0
total	19	19	100.0

# Copyright (c) 2014  Timm Murray
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
package Device::WebIO::Device::DigitalInput;
$Device::WebIO::Device::DigitalInput::VERSION = '0.010';
use v5.12;
use Moo::Role;

with 'Device::WebIO::Device';

requires 'input_pin_count';
requires 'input_pin';
requires 'set_as_input';
requires 'is_set_input';

# There may be more efficient ways to do this on your platform.  Override
# this if there are.
sub input_port
{
    my ($self) = @_;
    my $value = 0;

    for (0 .. ($self->input_pin_count - 1)) {
        my $pin_value = $self->input_pin( $_ );
        $pin_value //= 0;
        $value |= ($pin_value << $_);
    }

    return $value;
}


1;
__END__