File Coverage

blib/lib/Device/WebIO/PCDuino.pm

Criterion	Covered	Total	%
statement	12	43	27.9
branch	0	2	0.0
condition			n/a
subroutine	4	12	33.3
pod	0	8	0.0
total	16	65	24.6

# 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::PCDuino;
$Device::WebIO::PCDuino::VERSION = '0.002';
# ABSTRACT: Device::WebIO implementation for the pcDuino
use v5.12;
use Moo;
use namespace::clean;
use Device::PCDuino ();

has 'pin_desc' => (
    is => 'ro',
    # TODO this is based on the v3's pin header.  Would be nice to have
    # a configurable option for different boards.
    default => sub {[qw{
        SCL SDA AREF GND 13 12 11 10 9 8 7 6 5 4 3 2 1 0
        IOREF RESET 33V 50V GND GND VIN A0 A1 A2 A3 A4 A5
    }]},
);
has '_pin_mode' => (
    is => 'ro',
);
has '_output_pin_value' => (
    is => 'ro',
);


sub BUILDARGS
{
    my ($class, $args) = @_;

    #$args->{pwm_bit_resolution} = 8;
    #$args->{pwm_max_int}        = 2 ** $args->{pwm_bit_resolution};
    $args->{input_pin_count}     = 18;
    $args->{output_pin_count}    = 18;
    $args->{'_pin_mode'}         = [ ('IN') x $args->{input_pin_count} ];
    $args->{'_output_pin_value'} = [ (0) x $args->{output_pin_count} ];
    #$args->{pwm_pin_count}      = 1;
    # TODO
    # 6 bits for ADC 0 and 1, but 12 for the rest
    #$args->{adc_bit_resolution} = 12;
    #$args->{adc_max_int}        = 2 ** $args->{adc_bit_resolution};
    # TODO
    # 2 Volts for ADC 0 and 1, but 3.3V for the rest
    #$args->{adc_volt_ref}       = 3.3;
    #$args->{adc_pin_count}      = 6;

    return $args;
}

sub all_desc
{
    my ($self) = @_;
    my $pin_count = $self->input_pin_count;
    return {
        UART    => 0,
        SPI     => 0,
        I2C     => 0,
        ONEWIRE => 0,
        GPIO => {
            map {
                my $function = $self->{'_pin_mode'}[$_];
                my $value = $function eq 'IN'
                    ? $self->input_pin( $_ )
                    : $self->_output_pin_value->[$_];
                $_ => {
                    function => $function,
                    value    => $value,
                };
            } 0 .. ($pin_count - 1)
        },
    };
}


has 'input_pin_count', is => 'ro';
with 'Device::WebIO::Device::DigitalInput';

sub set_as_input
{
    my ($self, $pin) = @_;
    $self->_pin_mode->[$pin] = 'IN';
    Device::PCDuino::set_input( $pin );
    return 1;
}

sub input_pin
{
    my ($self, $pin) = @_;
    my $in = Device::PCDuino::input( $pin );
    return $in;
}

sub is_set_input
{
    my ($self, $pin) = @_;
    return $self->_pin_mode->[$pin] eq 'IN';
}


has 'output_pin_count', is => 'ro';
with 'Device::WebIO::Device::DigitalOutput';

sub set_as_output
{
    my ($self, $pin) = @_;
    $self->_pin_mode->[$pin] = 'OUT';
    Device::PCDuino::set_output( $pin );
    return 1;
}

sub output_pin
{
    my ($self, $pin, $val) = @_;
    $self->_output_pin_value->[$pin] = $val;
    Device::PCDuino::output( $pin, $val );
    return 1;
}

sub is_set_output
{
    my ($self, $pin) = @_;
    return $self->_pin_mode->[$pin] eq 'OUT';
}


# TODO PWM
#has 'pwm_pin_count',      is => 'ro';
#has 'pwm_bit_resolution', is => 'ro';
#has 'pwm_max_int',        is => 'ro';
#with 'Device::WebIO::Device::PWM';
#
#sub pwm_output_int
#{
#}


# TODO ADC
#has 'adc_max_int',        is => 'ro';
#has 'adc_bit_resolution', is => 'ro';
#has 'adc_volt_ref',       is => 'ro';
#has 'adc_pin_count',      is => 'ro';
#with 'Device::WebIO::Device::ADC';
#
#sub adc_input_int
#{
#}


# TODO
#with 'Device::WebIO::Device::SPI';
#with 'Device::WebIO::Device::I2C';
#with 'Device::WebIO::Device::Serial';
#with 'Device::WebIO::Device::VideoStream';

1;
__END__