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# You may distribute under the terms of either the GNU General Public License |
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# or the Artistic License (the same terms as Perl itself) |
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# |
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# (C) Paul Evans, 2015 -- leonerd@leonerd.org.uk |
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package Device::BusPirate::Chip::SSD1306::I2C; |
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use strict; |
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use warnings; |
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use base qw( Device::BusPirate::Chip::SSD1306 ); |
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our $VERSION = '0.01'; |
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use constant CHIP => "SSD1306-I2C"; |
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use constant MODE => "I2C"; |
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use constant DEFAULT_ADDR => 0x3C; |
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=head1 NAME |
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C - use a F OLED driver in I2C mode |
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=head1 DESCRIPTION |
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This L subclass provides specific |
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communication to an F chip attached to the F via I2C. |
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The chip name for this module is C. |
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For actually interacting with the attached module, see the main |
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L documentation. |
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=cut |
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sub new |
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{ |
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my $class = shift; |
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my ( $bp, %opts ) = @_; |
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my $self = $class->SUPER::new( @_ ); |
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$self->{$_} = $opts{$_} for qw( address ); |
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$self->{address} //= DEFAULT_ADDR; |
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return $self; |
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} |
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sub send_cmd |
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{ |
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my $self = shift; |
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my @vals = @_; |
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my $final = pop @vals; |
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$self->mode->send( $self->{address}, join "", ( map { "\x80" . chr $_ } @vals ), |
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"\x00" . chr $final ); |
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} |
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sub send_data |
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{ |
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my $self = shift; |
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my ( $bytes ) = @_; |
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$self->mode->send( $self->{address}, "\x40" . $_[0] ) |
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} |
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=head1 TODO |
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Note that this module isn't actually fully tested on real hardware, as the |
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author currently lacks an F module with a working I2C interface. |
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=head1 AUTHOR |
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Paul Evans |
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=cut |
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0x55AA; |