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raspberrypi/st7565-lcd/st7565lcd.ads

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-- raspilcd, a simple tool to display bmp pictures & text on a ST7565 LCD
-- Copyright (C) 2014 Torsten Meissner
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see http://www.gnu.org/licenses/.
with Interfaces;
with Interfaces.C;
with Ada.Streams.Stream_IO;
package st7565lcd is
-- type definitions
subtype byte is Interfaces.Unsigned_8;
subtype word is Interfaces.Unsigned_16;
subtype dword is Interfaces.Unsigned_32;
type t_byte_array is array (natural range <>) of byte;
type t_font_array is array (natural range <>) of t_byte_array (0 .. 4);
type t_bmp_array is array (0 .. 128 * 64 - 1) of t_byte_array (0 .. 3);
subtype t_lcd_array is t_byte_array (0 .. 128 * 8 - 1);
-- bmp header structure
type t_bmp_header is record
bfType : word;
bfSize : dword;
bfReserved : dword;
bfOffBits : dword;
biSize : dword;
biWidth : integer;
biHeight : integer;
biPlanes : word;
biBitCount : word;
biCompression : dword;
biSizeImage : dword;
biXPelsPerMeter : integer;
biYPelsPerMeter : integer;
biClrUsed : dword;
biClrImportant : dword;
end record;
-- color mask
type t_color_mask is record
red : dword := 16#00FF0000#;
green : dword := 16#0000FF00#;
blue : dword := 16#000000FF#;
alpha : dword := 16#FF000000#;
end record;
-- bmp record
type t_bmp_picture is record
header : t_bmp_header;
mask : t_color_mask;
data : t_bmp_array;
end record;
-- character set
font_5x7 : constant t_font_array (32 .. 126) := (
( 16#00#, 16#00#, 16#00#, 16#00#, 16#00# ), -- - 16#20 - 32
( 16#00#, 16#00#, 16#5f#, 16#00#, 16#00# ), -- ! - 16#21 - 33
( 16#00#, 16#07#, 16#00#, 16#07#, 16#00# ), -- " - 16#22 - 34
( 16#14#, 16#7f#, 16#14#, 16#7f#, 16#14# ), -- # - 16#23 - 35
( 16#24#, 16#2a#, 16#7f#, 16#2a#, 16#12# ), -- $ - 16#24 - 36
( 16#23#, 16#13#, 16#08#, 16#64#, 16#62# ), -- % - 16#25 - 37
( 16#36#, 16#49#, 16#55#, 16#22#, 16#50# ), -- & - 16#26 - 38
( 16#00#, 16#05#, 16#03#, 16#00#, 16#00# ), -- ' - 16#27 - 39
( 16#00#, 16#1c#, 16#22#, 16#41#, 16#00# ), -- ( - 16#28 - 40
( 16#00#, 16#41#, 16#22#, 16#1c#, 16#00# ), -- ) - 16#29 - 41
( 16#14#, 16#08#, 16#3e#, 16#08#, 16#14# ), -- * - 16#2a - 42
( 16#08#, 16#08#, 16#3e#, 16#08#, 16#08# ), -- + - 16#2b - 43
( 16#00#, 16#50#, 16#30#, 16#00#, 16#00# ), -- , - 16#2c - 44
( 16#08#, 16#08#, 16#08#, 16#08#, 16#08# ), -- - - 16#2d - 45
( 16#00#, 16#60#, 16#60#, 16#00#, 16#00# ), -- . - 16#2e - 46
( 16#20#, 16#10#, 16#08#, 16#04#, 16#02# ), -- / - 16#2f - 47
( 16#3e#, 16#51#, 16#49#, 16#45#, 16#3e# ), -- 0 - 16#30 - 48
( 16#00#, 16#42#, 16#7f#, 16#40#, 16#00# ), -- 1 - 16#31 - 49
( 16#42#, 16#61#, 16#51#, 16#49#, 16#46# ), -- 2 - 16#32 - 50
( 16#21#, 16#41#, 16#45#, 16#4b#, 16#31# ), -- 3 - 16#33 - 51
( 16#18#, 16#14#, 16#12#, 16#7f#, 16#10# ), -- 4 - 16#34 - 52
( 16#27#, 16#45#, 16#45#, 16#45#, 16#39# ), -- 5 - 16#35 - 53
( 16#3c#, 16#4a#, 16#49#, 16#49#, 16#30# ), -- 6 - 16#36 - 54
( 16#01#, 16#71#, 16#09#, 16#05#, 16#03# ), -- 7 - 16#37 - 55
( 16#36#, 16#49#, 16#49#, 16#49#, 16#36# ), -- 8 - 16#38 - 56
( 16#06#, 16#49#, 16#49#, 16#29#, 16#1e# ), -- 9 - 16#39 - 57
( 16#00#, 16#36#, 16#36#, 16#00#, 16#00# ), -- : - 16#3a - 58
( 16#00#, 16#56#, 16#36#, 16#00#, 16#00# ), -- ; - 16#3b - 59
( 16#08#, 16#14#, 16#22#, 16#41#, 16#00# ), -- < - 16#3c - 60
( 16#14#, 16#14#, 16#14#, 16#14#, 16#14# ), -- = - 16#3d - 61
( 16#00#, 16#41#, 16#22#, 16#14#, 16#08# ), -- > - 16#3e - 62
( 16#02#, 16#01#, 16#51#, 16#09#, 16#06# ), -- ? - 16#3f - 63
( 16#32#, 16#49#, 16#79#, 16#41#, 16#3e# ), -- @ - 16#40 - 64
( 16#7e#, 16#11#, 16#11#, 16#11#, 16#7e# ), -- A - 16#41 - 65
( 16#7f#, 16#49#, 16#49#, 16#49#, 16#36# ), -- B - 16#42 - 66
( 16#3e#, 16#41#, 16#41#, 16#41#, 16#22# ), -- C - 16#43 - 67
( 16#7f#, 16#41#, 16#41#, 16#22#, 16#1c# ), -- D - 16#44 - 68
( 16#7f#, 16#49#, 16#49#, 16#49#, 16#41# ), -- E - 16#45 - 69
( 16#7f#, 16#09#, 16#09#, 16#09#, 16#01# ), -- F - 16#46 - 70
( 16#3e#, 16#41#, 16#49#, 16#49#, 16#7a# ), -- G - 16#47 - 71
( 16#7f#, 16#08#, 16#08#, 16#08#, 16#7f# ), -- H - 16#48 - 72
( 16#00#, 16#41#, 16#7f#, 16#41#, 16#00# ), -- I - 16#49 - 73
( 16#20#, 16#40#, 16#41#, 16#3f#, 16#01# ), -- J - 16#4a - 74
( 16#7f#, 16#08#, 16#14#, 16#22#, 16#41# ), -- K - 16#4b - 75
( 16#7f#, 16#40#, 16#40#, 16#40#, 16#40# ), -- L - 16#4c - 76
( 16#7f#, 16#02#, 16#0c#, 16#02#, 16#7f# ), -- M - 16#4d - 77
( 16#7f#, 16#04#, 16#08#, 16#10#, 16#7f# ), -- N - 16#4e - 78
( 16#3e#, 16#41#, 16#41#, 16#41#, 16#3e# ), -- O - 16#4f - 79
( 16#7f#, 16#09#, 16#09#, 16#09#, 16#06# ), -- P - 16#50 - 80
( 16#3e#, 16#41#, 16#51#, 16#21#, 16#5e# ), -- Q - 16#51 - 81
( 16#7f#, 16#09#, 16#19#, 16#29#, 16#46# ), -- R - 16#52 - 82
( 16#46#, 16#49#, 16#49#, 16#49#, 16#31# ), -- S - 16#53 - 83
( 16#01#, 16#01#, 16#7f#, 16#01#, 16#01# ), -- T - 16#54 - 84
( 16#3f#, 16#40#, 16#40#, 16#40#, 16#3f# ), -- U - 16#55 - 85
( 16#1f#, 16#20#, 16#40#, 16#20#, 16#1f# ), -- V - 16#56 - 86
( 16#3f#, 16#40#, 16#38#, 16#40#, 16#3f# ), -- W - 16#57 - 87
( 16#63#, 16#14#, 16#08#, 16#14#, 16#63# ), -- X - 16#58 - 88
( 16#07#, 16#08#, 16#70#, 16#08#, 16#07# ), -- Y - 16#59 - 89
( 16#61#, 16#51#, 16#49#, 16#45#, 16#43# ), -- Z - 16#5a - 90
( 16#00#, 16#7f#, 16#41#, 16#41#, 16#00# ), -- [ - 16#5b - 91
( 16#02#, 16#04#, 16#08#, 16#10#, 16#20# ), -- \ - 16#5c - 92
( 16#00#, 16#41#, 16#41#, 16#7f#, 16#00# ), -- ] - 16#5d - 93
( 16#04#, 16#02#, 16#01#, 16#02#, 16#04# ), -- ^ - 16#5e - 94
( 16#40#, 16#40#, 16#40#, 16#40#, 16#40# ), -- _ - 16#5f - 95
( 16#00#, 16#01#, 16#02#, 16#04#, 16#00# ), -- ` - 16#60 - 96
( 16#20#, 16#54#, 16#54#, 16#54#, 16#78# ), -- a - 16#61 - 97
( 16#7f#, 16#48#, 16#44#, 16#44#, 16#38# ), -- b - 16#62 - 98
( 16#38#, 16#44#, 16#44#, 16#44#, 16#20# ), -- c - 16#63 - 99
( 16#38#, 16#44#, 16#44#, 16#48#, 16#7f# ), -- d - 16#64 - 100
( 16#38#, 16#54#, 16#54#, 16#54#, 16#18# ), -- e - 16#65 - 101
( 16#08#, 16#7e#, 16#09#, 16#01#, 16#02# ), -- f - 16#66 - 102
( 16#38#, 16#44#, 16#44#, 16#54#, 16#34# ), -- g - 16#67 - 103
( 16#7f#, 16#08#, 16#04#, 16#04#, 16#78# ), -- h - 16#68 - 104
( 16#00#, 16#44#, 16#7d#, 16#40#, 16#00# ), -- i - 16#69 - 105
( 16#20#, 16#40#, 16#44#, 16#3d#, 16#00# ), -- j - 16#6a - 106
( 16#7f#, 16#10#, 16#28#, 16#44#, 16#00# ), -- k - 16#6b - 107
( 16#00#, 16#41#, 16#7f#, 16#40#, 16#00# ), -- l - 16#6c - 108
( 16#7c#, 16#04#, 16#18#, 16#04#, 16#78# ), -- m - 16#6d - 109
( 16#7c#, 16#08#, 16#04#, 16#04#, 16#78# ), -- n - 16#6e - 110
( 16#38#, 16#44#, 16#44#, 16#44#, 16#38# ), -- o - 16#6f - 111
( 16#7c#, 16#14#, 16#14#, 16#14#, 16#08# ), -- p - 16#70 - 112
( 16#08#, 16#14#, 16#14#, 16#18#, 16#7c# ), -- q - 16#71 - 113
( 16#7c#, 16#08#, 16#04#, 16#04#, 16#08# ), -- r - 16#72 - 114
( 16#48#, 16#54#, 16#54#, 16#54#, 16#20# ), -- s - 16#73 - 115
( 16#04#, 16#3f#, 16#44#, 16#40#, 16#20# ), -- t - 16#74 - 116
( 16#3c#, 16#40#, 16#40#, 16#20#, 16#7c# ), -- u - 16#75 - 117
( 16#1c#, 16#20#, 16#40#, 16#20#, 16#1c# ), -- v - 16#76 - 118
( 16#3c#, 16#40#, 16#30#, 16#40#, 16#3c# ), -- w - 16#77 - 119
( 16#44#, 16#28#, 16#10#, 16#28#, 16#44# ), -- x - 16#78 - 120
( 16#0c#, 16#50#, 16#50#, 16#50#, 16#3c# ), -- y - 16#79 - 121
( 16#44#, 16#64#, 16#54#, 16#4c#, 16#44# ), -- z - 16#7a - 122
( 16#00#, 16#08#, 16#36#, 16#41#, 16#00# ), -- { - 16#7b - 123
( 16#00#, 16#00#, 16#7f#, 16#00#, 16#00# ), -- | - 16#7c - 124
( 16#00#, 16#41#, 16#36#, 16#08#, 16#00# ), -- } - 16#7d - 125
( 16#10#, 16#08#, 16#08#, 16#10#, 16#08# ) -- ~ - 16#7e - 126
);
-- raspberry picture
raspberry : constant t_lcd_array := (
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 1. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 1. row
16#00#,16#00#,16#00#,16#00#,16#F0#,16#F8#,16#58#,16#1C#,16#1C#,16#0C#,16#0C#,16#06#,16#86#,16#86#,16#86#,16#0E#, -- 1. row
16#0E#,16#06#,16#0E#,16#1E#,16#1C#,16#1C#,16#0C#,16#3C#,16#38#,16#78#,16#F0#,16#E0#,16#C0#,16#C0#,16#E0#,16#70#, -- 1. row
16#38#,16#18#,16#1C#,16#1C#,16#0C#,16#0E#,16#0E#,16#0E#,16#0E#,16#0E#,16#0E#,16#86#,16#86#,16#06#,16#04#,16#0C#, -- 1. row
16#0C#,16#18#,16#F8#,16#F8#,16#F8#,16#F0#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 1. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 1. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 1. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 2. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 2. row
16#00#,16#00#,16#00#,16#00#,16#03#,16#0F#,16#3F#,16#7C#,16#F0#,16#C0#,16#C0#,16#C0#,16#C0#,16#00#,16#01#,16#01#, -- 2. row
16#03#,16#02#,16#06#,16#04#,16#04#,16#1C#,16#B8#,16#F0#,16#E0#,16#70#,16#30#,16#1F#,16#0F#,16#0F#,16#3F#,16#30#, -- 2. row
16#F0#,16#E0#,16#B0#,16#18#,16#08#,16#0C#,16#04#,16#06#,16#02#,16#01#,16#01#,16#00#,16#00#,16#00#,16#00#,16#C0#, -- 2. row
16#F0#,16#F8#,16#7F#,16#1F#,16#07#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 2. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 2. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 2. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 3. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 3. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#80#,16#E0#,16#F3#,16#33#,16#3F#,16#1F#,16#1E#,16#0E#,16#0E#, -- 3. row
16#0C#,16#0C#,16#EC#,16#EC#,16#EE#,16#BE#,16#0F#,16#0F#,16#07#,16#06#,16#02#,16#02#,16#02#,16#02#,16#02#,16#06#, -- 3. row
16#06#,16#0F#,16#0F#,16#BE#,16#EE#,16#CC#,16#8C#,16#0C#,16#0C#,16#0C#,16#0E#,16#1E#,16#1E#,16#3F#,16#73#,16#E1#, -- 3. row
16#C1#,16#00#,16#36#,16#25#,16#55#,16#5D#,16#49#,16#6D#,16#32#,16#0C#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 3. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 3. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 3. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 4. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 4. row
16#00#,16#00#,16#00#,16#80#,16#C0#,16#E0#,16#70#,16#7F#,16#7F#,16#3F#,16#FC#,16#FC#,16#FC#,16#3C#,16#1C#,16#0E#, -- 4. row
16#07#,16#07#,16#03#,16#03#,16#03#,16#03#,16#03#,16#02#,16#06#,16#0E#,16#1C#,16#FC#,16#FC#,16#FC#,16#3C#,16#0E#, -- 4. row
16#06#,16#02#,16#03#,16#03#,16#03#,16#03#,16#03#,16#03#,16#07#,16#06#,16#0C#,16#18#,16#78#,16#F0#,16#F0#,16#33#, -- 4. row
16#7F#,16#7F#,16#70#,16#F0#,16#C0#,16#80#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 4. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 4. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 4. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 5. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 5. row
16#00#,16#00#,16#FF#,16#FF#,16#83#,16#00#,16#00#,16#00#,16#00#,16#C0#,16#FF#,16#FF#,16#F0#,16#F0#,16#F0#,16#80#, -- 5. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#80#,16#80#,16#C0#,16#60#,16#78#,16#7F#,16#7F#,16#7F#,16#7C#,16#70#, -- 5. row
16#E0#,16#C0#,16#80#,16#80#,16#00#,16#00#,16#00#,16#00#,16#00#,16#80#,16#80#,16#C0#,16#E0#,16#FF#,16#FF#,16#C0#, -- 5. row
16#00#,16#00#,16#00#,16#00#,16#C3#,16#FF#,16#FE#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 5. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 5. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 5. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 6. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 6. row
16#00#,16#00#,16#00#,16#03#,16#0F#,16#3E#,16#FC#,16#FC#,16#0E#,16#03#,16#03#,16#03#,16#03#,16#07#,16#07#,16#0F#, -- 6. row
16#1F#,16#3F#,16#7F#,16#FF#,16#FF#,16#07#,16#01#,16#01#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 6. row
16#00#,16#00#,16#01#,16#03#,16#FF#,16#FF#,16#7F#,16#1F#,16#0F#,16#07#,16#07#,16#03#,16#01#,16#01#,16#01#,16#01#, -- 6. row
16#03#,16#FE#,16#FE#,16#7E#,16#07#,16#03#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 6. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 6. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 6. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 7. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 7. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#01#,16#07#,16#1F#,16#3C#,16#78#,16#70#,16#E0#,16#E0#,16#E0#,16#C0#, -- 7. row
16#C0#,16#C0#,16#C0#,16#E1#,16#FF#,16#7F#,16#7F#,16#3C#,16#3C#,16#3C#,16#38#,16#30#,16#30#,16#30#,16#30#,16#38#, -- 7. row
16#38#,16#3C#,16#3C#,16#7F#,16#FF#,16#E1#,16#C0#,16#C0#,16#C0#,16#C0#,16#C0#,16#E0#,16#60#,16#70#,16#38#,16#38#, -- 7. row
16#1E#,16#0F#,16#03#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 7. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 7. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 7. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 8. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 8. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#01#,16#01#, -- 8. row
16#01#,16#03#,16#03#,16#07#,16#07#,16#0E#,16#18#,16#18#,16#38#,16#30#,16#30#,16#30#,16#30#,16#30#,16#30#,16#30#, -- 8. row
16#38#,16#18#,16#1C#,16#1E#,16#0F#,16#07#,16#03#,16#03#,16#01#,16#01#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 8. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 8. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#, -- 8. row
16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00#,16#00# -- 8. row
);
-- lcd init values
lcd_init_data : constant t_byte_array := (
16#a0#, -- cmd8: adc select
16#c0#, -- cmd15: shl select
16#a3#, -- cmd11: lcd bias set
16#2c#, -- cmd16: power control set (vc=1, vr=0, vf=0)
16#2e#, -- cmd16: power control set (vc=1, vr=1, vf=0)
16#2f#, -- cmd16: power control set (vc=1, vr=1, vf=1)
16#26#, -- cmd17: regulator resistor select
16#60#, -- cmd2: display start line
16#a6#, -- cmd6: display normal
16#c8#, -- cmd15: common output mode select (reversed)
16#af#, -- cmd1: display on
16#a4#, -- cmd10: all points off
16#81#, -- cmd18: set volume 1st
16#18# -- cmd18: set volume 2nd (brightness)
);
-- pin definitions
LCD_CS : constant Interfaces.C.unsigned_char := 24;
LCD_RST : constant Interfaces.C.unsigned_char := 23;
LCD_A0 : constant Interfaces.C.unsigned_char := 22;
LCD_CLK : constant Interfaces.C.unsigned_char := 27;
LCD_SI : constant Interfaces.C.unsigned_char := 17;
-- exceptions
mask_exception : exception;
bmp_exception : exception;
exception_head : string := "raspilcd version 0.1.1, (c) 2014 by tmeissner";
-- procedure declarations
procedure io_init;
procedure lcd_init;
procedure lcd_ascii57_string (xpos : natural; ypos : natural; data : string);
procedure lcd_ascii57 (xpos : natural; ypos : natural; data : character);
procedure lcd_picture (xpos : natural; ypos: natural; picture : t_lcd_array);
procedure lcd_clear;
procedure lcd_set_page (page : natural; column : natural);
procedure lcd_transfer_data (value : byte; si : boolean);
procedure lcd_byte (data : byte);
procedure read_bmp (file : in Ada.Streams.Stream_IO.File_Type;
file_access : access Ada.Streams.Root_Stream_Type'Class;
bmp_picture : in out t_bmp_picture);
-- function declarations
function bmp_to_lcd (bmp_picture : t_bmp_picture) return t_lcd_array;
function which_byte (data : dword) return integer;
end st7565lcd;