File Coverage

blib/lib/Device/BusPirate/Chip/SSD1306/SPI4.pm

Criterion	Covered	Total	%
statement	15	28	53.5
branch			n/a
condition			n/a
subroutine	5	11	45.4
pod	1	3	33.3
total	21	42	50.0

#  You may distribute under the terms of either the GNU General Public License
#  or the Artistic License (the same terms as Perl itself)
#
#  (C) Paul Evans, 2015 -- [e-mail]

package Device::BusPirate::Chip::SSD1306::SPI4;

use strict;
use warnings;
use base qw( Device::BusPirate::Chip::SSD1306 );

our $VERSION = '0.01';

use constant CHIP => "SSD1306-SPI4";
use constant MODE => "SPI";

=head1 NAME

C - use a F OLED driver in 4-wire SPI mode

=head1 DESCRIPTION

This L subclass provides specific
communication to an F chip attached to the F via SPI in
4-wire mode; where the C pin is attached to the C line.

The chip name for this module is C.

For actually interacting with the attached module, see the main
L documentation.

=cut

sub mount
{
   my $self = shift;
   my ( $mode ) = @_;

   $self->SUPER::mount( $mode )
      ->then( sub {
         $mode->configure(
            speed => "8M",
         )
      });
}

sub send_cmd
{
   my $self = shift;
   my @vals = @_;

   $self->aux(0)->then( sub {
      $self->mode->writeread_cs( join "", map { chr } @vals )
   });
}

sub send_data
{
   my $self = shift;
   my ( $bytes ) = @_;

   $self->aux(1)->then( sub {
      $self->mode->writeread_cs( $bytes );
   });
}

=head1 AUTHOR

Paul Evans

=cut

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