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matthiazzz - The current adxl345 component in ESPHome relies on multiple external Adafruit libraries (Adafruit Unified Sensor, Adafruit BusIO, Adafruit ADXL345). This causes unnecessary dependencies, compilation overhead, and sometimes incompatibilities when used with tca9548a multiplexers.
I modified the component to remove all Adafruit library dependencies and instead use a lightweight, self-contained ESPHome driver for ADXL345. After these changes, multiple ADXL345 sensors can be used in combination with a TCA9548A I²C multiplexer without conflicts.
This commit is contained in:
John Dillenburg
199
font_aa_generated.h
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199
font_aa_generated.h
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// font_aa_generated.h - Anti-aliased font for LED Matrix
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// Generated from TrueType font with 4-level anti-aliasing
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#pragma once
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#include <cstdint>
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struct AAChar {
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uint8_t width;
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uint8_t data[16]; // 8x8 pixels, 2 bits each = 128 bits = 16 bytes
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};
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// Anti-aliased font data for ASCII 32-126
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const AAChar aa_font[] = {
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{8, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 32 ' '
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 33 '!'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 34 '\"'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x90, 0x01, 0x90, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 35 '#'
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{5, {0x00, 0x00, 0x00, 0x00, 0x90, 0x00, 0x80, 0x01, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 36 '$'
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{6, {0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0xA0, 0x01, 0x40, 0x06, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 37 '%'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x80, 0x01, 0x90, 0x02, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 38 '&'
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{4, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 39 '\''
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{4, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 40 '('
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 41 ')'
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{4, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 42 '*'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 43 '+'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 44 ','
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{4, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 45 '-'
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{8, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 46 '.'
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{4, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 47 '/'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50, 0x01, 0x50, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 48 '0'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 49 '1'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x40, 0x00, 0x50, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 50 '2'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 51 '3'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x90, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 52 '4'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x90, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 53 '5'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x90, 0x01, 0x90, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 54 '6'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 55 '7'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x80, 0x01, 0x50, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 56 '8'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x90, 0x01, 0x80, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 57 '9'
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{8, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 58 ':'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 59 ';'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 60 '<'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD0, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 61 '='
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 62 '>'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 63 '?'
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{6, {0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x50, 0x05, 0x50, 0x06, 0x90, 0x06, 0x00, 0x00, 0x00, 0x00}}, // 64 '@'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x80, 0x01, 0x90, 0x01, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 65 'A'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x90, 0x02, 0x50, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 66 'B'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x50, 0x01, 0x50, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 67 'C'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x50, 0x05, 0x50, 0x05, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 68 'D'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x90, 0x01, 0x50, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 69 'E'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x90, 0x01, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 70 'F'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x50, 0x01, 0x50, 0x06, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 71 'G'
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{6, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x02, 0x50, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 72 'H'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 73 'I'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 74 'J'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x90, 0x01, 0x90, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 75 'K'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x50, 0x00, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 76 'L'
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{5, {0x00, 0x00, 0x00, 0x00, 0x10, 0x01, 0x60, 0x02, 0x90, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 77 'M'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x90, 0x01, 0x50, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 78 'N'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x50, 0x05, 0x50, 0x05, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 79 'O'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x50, 0x02, 0x90, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 80 'P'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x06, 0x10, 0x04, 0x80, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 81 'Q'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x90, 0x02, 0x50, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 82 'R'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 83 'S'
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{5, {0x00, 0x00, 0x00, 0x00, 0x50, 0x01, 0x40, 0x01, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 84 'T'
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{6, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x05, 0x50, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 85 'U'
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{5, {0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x50, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 86 'V'
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{6, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x50, 0x05, 0x50, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 87 'W'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x80, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 88 'X'
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{5, {0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 89 'Y'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x50, 0x00, 0x50, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 90 'Z'
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{4, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 91 '['
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{4, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 92 '\\'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, 0x01, 0x00, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 93 ']'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 94 '^'
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{6, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 95 '_'
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{4, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 96 '`'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x80, 0x01, 0x90, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 97 'a'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x01, 0x50, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 98 'b'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 99 'c'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x40, 0x02, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 100 'd'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x90, 0x01, 0x90, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 101 'e'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x80, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 102 'f'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x40, 0x01, 0x40, 0x02, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 103 'g'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x02, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 104 'h'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 105 'i'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 106 'j'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x80, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 107 'k'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 108 'l'
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{5, {0x00, 0x00, 0x00, 0x00, 0x50, 0x01, 0x50, 0x01, 0x50, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 109 'm'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 110 'n'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50, 0x01, 0x90, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 111 'o'
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{5, {0x00, 0x00, 0x00, 0x00, 0x90, 0x01, 0x50, 0x01, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 112 'p'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x40, 0x01, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 113 'q'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 114 'r'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x80, 0x01, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 115 's'
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{4, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x80, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 116 't'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 117 'u'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 118 'v'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50, 0x02, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 119 'w'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 120 'x'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x40, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 121 'y'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x01, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 122 'z'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x40, 0x00, 0x40, 0x00, 0x40, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 123 '{'
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{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}}, // 124 '|'
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{5, {0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 125 '}'
|
||||
{5, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, // 126 '~'
|
||||
};
|
||||
|
||||
// Draw anti-aliased character at position
|
||||
void draw_aa_char(light::AddressableLight &it, char c, int x_pos, int y_pos, Color color, float alpha = 1.0f) {
|
||||
if (c < 32 || c > 126) return;
|
||||
|
||||
const AAChar &char_data = aa_font[c - 32];
|
||||
|
||||
for (int y = 0; y < 8; y++) {
|
||||
for (int x = 0; x < 8; x++) {
|
||||
// Extract 2-bit brightness value
|
||||
int byte_idx = (y * 2) + (x / 4);
|
||||
int bit_shift = (x % 4) * 2;
|
||||
uint8_t brightness_level = (char_data.data[byte_idx] >> bit_shift) & 0x03;
|
||||
|
||||
if (brightness_level > 0) {
|
||||
float brightness = (brightness_level / 3.0f) * alpha;
|
||||
|
||||
int px = x_pos + x;
|
||||
int py = y_pos + y;
|
||||
|
||||
if (px >= 0 && px < 32 && py >= 0 && py < 8) {
|
||||
int flipped_y = 7 - py;
|
||||
int led_index;
|
||||
if (flipped_y % 2 == 0) {
|
||||
led_index = flipped_y * 32 + px;
|
||||
} else {
|
||||
led_index = flipped_y * 32 + (31 - px);
|
||||
}
|
||||
|
||||
if (led_index >= 0 && led_index < 256) {
|
||||
// Apply brightness with alpha blending
|
||||
Color existing = it[led_index].get();
|
||||
it[led_index] = Color(
|
||||
existing.r + (color.r - existing.r) * brightness,
|
||||
existing.g + (color.g - existing.g) * brightness,
|
||||
existing.b + (color.b - existing.b) * brightness
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Draw anti-aliased string at position
|
||||
void draw_aa_string(light::AddressableLight &it, const std::string &text, int x_pos, int y_pos, Color color, float alpha = 1.0f) {
|
||||
int current_x = x_pos;
|
||||
|
||||
for (char c : text) {
|
||||
if (c >= 32 && c <= 126) {
|
||||
draw_aa_char(it, c, current_x, y_pos, color, alpha);
|
||||
current_x += aa_font[c - 32].width + 1; // Add 1 pixel spacing
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Get width of anti-aliased string in pixels
|
||||
int get_aa_text_width(const std::string &text) {
|
||||
int width = 0;
|
||||
for (size_t i = 0; i < text.length(); i++) {
|
||||
char c = text[i];
|
||||
if (c >= 32 && c <= 126) {
|
||||
width += aa_font[c - 32].width;
|
||||
if (i < text.length() - 1) width += 1; // spacing
|
||||
}
|
||||
}
|
||||
return width;
|
||||
}
|
||||
|
||||
// Draw with sub-pixel positioning for smooth scrolling
|
||||
void draw_aa_string_subpixel(light::AddressableLight &it, const std::string &text, float x_pos, float y_pos, Color color) {
|
||||
float current_x = x_pos;
|
||||
|
||||
for (char c : text) {
|
||||
if (c >= 32 && c <= 126) {
|
||||
int x_int = (int)x_pos;
|
||||
float x_frac = x_pos - x_int;
|
||||
|
||||
// Draw character at two positions with appropriate alpha
|
||||
if (x_frac > 0.01f) {
|
||||
draw_aa_char(it, c, x_int, (int)y_pos, color, 1.0f - x_frac);
|
||||
draw_aa_char(it, c, x_int + 1, (int)y_pos, color, x_frac);
|
||||
} else {
|
||||
draw_aa_char(it, c, x_int, (int)y_pos, color, 1.0f);
|
||||
}
|
||||
|
||||
current_x += aa_font[c - 32].width + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user