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|
#########################################################################################
# Package HiPi::Interface::EPaper::Pimoroni::EPDInkyPHAT_V2
# Description : Control Monochrome Epaper Displays
# Copyright : Copyright (c) 2018 Mark Dootson
# License : This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
#########################################################################################
package HiPi::Interface::EPaper::Pimoroni::EPDInkyPHAT_V2;
#########################################################################################
use strict;
use warnings;
use parent qw( HiPi::Interface::EPaper::TypeA );
use HiPi qw( :rpi :spi :epaper );
use Carp;
__PACKAGE__->create_accessors( qw( ) );
our $VERSION ='0.81';
use constant {
WRITE_RAM => HiPi::Interface::EPaper::TypeA::WRITE_RAM(),
WRITE_RAM_2 => HiPi::Interface::EPaper::TypeA::WRITE_RAM_2(),
SET_RAM_X_ADDRESS_START_END_POSITION => HiPi::Interface::EPaper::TypeA::SET_RAM_X_ADDRESS_START_END_POSITION(),
SET_RAM_Y_ADDRESS_START_END_POSITION => HiPi::Interface::EPaper::TypeA::SET_RAM_Y_ADDRESS_START_END_POSITION(),
SET_RAM_X_ADDRESS_COUNTER => HiPi::Interface::EPaper::TypeA::SET_RAM_X_ADDRESS_COUNTER(),
SET_RAM_Y_ADDRESS_COUNTER => HiPi::Interface::EPaper::TypeA::SET_RAM_Y_ADDRESS_COUNTER(),
};
sub _create {
my( $class, %params ) = @_;
# Default pins for Pimoroni Inky PHAT
# reset_pin => RPI_PIN_13, # 27
# dc_pin => RPI_PIN_15, # 22
# busy_pin => RPI_PIN_11, # 17
$params{reset_pin} //= RPI_PIN_13;
$params{dc_pin} //= RPI_PIN_15;
$params{busy_pin} //= RPI_PIN_11;
$params{device_width} = 104;
$params{device_height} = 212;
$params{offsetx} = 0;
$params{is_tri_colour} = 1;
$params{frame_1_bpp} = EPD_FRAME_BPP_1;
$params{frame_2_bpp} = EPD_FRAME_BPP_1;
$params{frame_1_type} = EPD_FRAME_TYPE_BLACK;
$params{frame_2_type} = EPD_FRAME_TYPE_COLOUR;
$params{frame_1_invert} = 0;
$params{frame_2_invert} = 1;
# don't allow change here
$params{border_control} = EPD_BORDER_POR;
$params{rotation} //= 90;
$params{can_partial} = 0;
$params{busy_state} = RPI_HIGH;
$params{display_update_setting} = 0xC7;
$params{driver_ouput_control_bytes} = [ 0xd3, 0x00, 0x00 ];
$params{booster_soft_start_control_bytes} = [];
$params{vcom_register_bytes} = [ 0x3c ];
$params{dummy_line_period_bytes} = [ 0x07 ];
$params{gate_time_bytes} = [ 0x04 ];
$params{data_entry_mode_bytes} = [ 0x03 ];
$params{analog_control_bytes} = [ 0x54 ];
$params{inky_magic_bytes} = [ 0x3b ];
$params{source_driving_bytes} = [ 0x2d, 0xb2, 0x22 ];
$params{lut_full} = [
# A B C D A B C D A B C D A B C D A B C D A B C D A B C D
0b01001000, 0b10100000, 0b00010000, 0b00010000, 0b00010011, 0b00000000, 0b00000000,# 0b00000000, # LUT0 - Black
0b01001000, 0b10100000, 0b10000000, 0b00000000, 0b00000011, 0b00000000, 0b00000000,# 0b00000000, # LUTT1 - White
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,# 0b00000000, # IGNORE
0b01001000, 0b10100101, 0b00000000, 0b10111011, 0b00000000, 0b00000000, 0b00000000,# 0b00000000, # LUT3 - Red
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,# 0b00000000, # LUT4 - VCOM
#0xA5, 0x89, 0x10, 0x10, 0x00, 0x00, 0x00, # LUT0 - Black
#0xA5, 0x19, 0x80, 0x00, 0x00, 0x00, 0x00, # LUT1 - White
#0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, # LUT2 - Red - NADA!
#0xA5, 0xA9, 0x9B, 0x9B, 0x00, 0x00, 0x00, # LUT3 - Red
#0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, # LUT4 - VCOM
# Duration | Repeat
# A B C D |
67, 10, 31, 10, 4, # 0 Flash
16, 8, 4, 4, 6, # 1 clear
4, 8, 8, 32, 16, # 2 bring in the black
4, 8, 8, 64, 32, # 3 time for red
6, 6, 6, 2, 2, # 4 final black sharpen phase
0, 0, 0, 0, 0, # 4
0, 0, 0, 0, 0, # 5
0, 0, 0, 0, 0, # 6
0, 0, 0, 0, 0 # 7
];
$params{lut_partial} = [];
my $self = $class->SUPER::_create( %params );
return $self;
}
sub display_update {
my $self = shift;
# Black Frame
$self->_inky_phat_set_memory_area;
$self->_inky_phat_send_buffer( WRITE_RAM , 0 );
# Red Frame
$self->_inky_phat_set_memory_area;
$self->_inky_phat_send_buffer( WRITE_RAM_2, 1 );
$self->display_frame;
}
sub _inky_phat_set_memory_area {
my $self = shift;
$self->send_command(SET_RAM_X_ADDRESS_START_END_POSITION, 0x00, 0x0c ); # Set RAM X address
$self->send_command(SET_RAM_Y_ADDRESS_START_END_POSITION, 0x00, 0x00, 0xd3, 0x00); # Set RAM Y address
$self->send_command(SET_RAM_X_ADDRESS_COUNTER, 0x00); # Set RAM X address counter
$self->send_command(SET_RAM_Y_ADDRESS_COUNTER, 0x00, 0x00); # Set RAM Y address counter
}
sub _inky_phat_send_buffer {
my($self, $command, $buffindex) = @_;
$self->send_command($command);
my $bufferbytes = $self->context->buffer_bytes;
my $chunksize = $self->spi_chunksize;
my $byteloops = int($bufferbytes / $chunksize);
my $lastbytes = $bufferbytes % $chunksize;
my $index;
my $buffer = $self->context->buffers->[$buffindex];
for ($index = 0; $index < $byteloops; $index++) {
my $start = $index * $chunksize;
my $end = $start + $chunksize - 1;
$self->send_data( @$buffer[$start..$end] );
}
if( $lastbytes ) {
my $start = $index * $chunksize;
my $end = $start + $lastbytes - 1;
$self->send_data( @$buffer[$start..$end] );
}
}
1;
__END__
|
