mirror of
https://github.com/BotChain-Robots/firmware.git
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Display control code
This commit is contained in:
23
components/oled/include/Oled.h
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23
components/oled/include/Oled.h
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#include <cstdint>
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#include <string>
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#ifndef OLED_H
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#define OLED_H
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class Oled {
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public:
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Oled(uint8_t sda_pin, uint8_t scl_pin) {
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init(sda_pin, scl_pin);
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};
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void clear_display();
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void set_contrast(uint8_t contrast);
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void display_text(const std::string& text);
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private:
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void init(uint8_t sda_pin, uint8_t scl_pin);
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void rotate8x8(uint8_t in[8], uint8_t out[8]);
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};
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#endif // OLED_H
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163
components/oled/include/font8x8_basic.h
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163
components/oled/include/font8x8_basic.h
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#ifndef FONT_H
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#define FONT_H
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#include <cstdint>
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// Adapted from https://github.com/dhepper/font8x8/blob/master/font8x8_basic.h
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/**
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* 8x8 monochrome bitmap fonts for rendering
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* Author: Daniel Hepper <daniel@hepper.net>
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*
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* License: Public Domain
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*
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* Based on:
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* // Summary: font8x8.h
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* // 8x8 monochrome bitmap fonts for rendering
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* //
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* // Author:
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* // Marcel Sondaar
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* // International Business Machines (public domain VGA fonts)
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* //
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* // License:
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* // Public Domain
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*
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* Fetched from: http://dimensionalrift.homelinux.net/combuster/mos3/?p=viewsource&file=/modules/gfx/font8_8.asm
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**/
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// Constant: font8x8_basic
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// Contains an 8x8 font map for unicode points U+0000 - U+007F (basic latin)
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uint8_t font8x8_basic[128][8] = {
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x18, 0x00, 0x18, 0x18, 0x3C, 0x3C, 0x18 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x36 },
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{ 0x00, 0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36 },
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{ 0x00, 0x0C, 0x1F, 0x30, 0x1E, 0x03, 0x3E, 0x0C },
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{ 0x00, 0x63, 0x66, 0x0C, 0x18, 0x33, 0x63, 0x00 },
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{ 0x00, 0x6E, 0x33, 0x3B, 0x6E, 0x1C, 0x36, 0x1C },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x06, 0x06 },
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{ 0x00, 0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18 },
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{ 0x00, 0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06 },
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{ 0x00, 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00 },
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{ 0x00, 0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00 },
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{ 0x06, 0x0C, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00 },
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{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x01, 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60 },
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{ 0x00, 0x3E, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x3E },
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{ 0x00, 0x3F, 0x0C, 0x0C, 0x0C, 0x0C, 0x0E, 0x0C },
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{ 0x00, 0x3F, 0x33, 0x06, 0x1C, 0x30, 0x33, 0x1E },
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{ 0x00, 0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E },
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{ 0x00, 0x78, 0x30, 0x7F, 0x33, 0x36, 0x3C, 0x38 },
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{ 0x00, 0x1E, 0x33, 0x30, 0x30, 0x1F, 0x03, 0x3F },
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{ 0x00, 0x1E, 0x33, 0x33, 0x1F, 0x03, 0x06, 0x1C },
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{ 0x00, 0x0C, 0x0C, 0x0C, 0x18, 0x30, 0x33, 0x3F },
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{ 0x00, 0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E },
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{ 0x00, 0x0E, 0x18, 0x30, 0x3E, 0x33, 0x33, 0x1E },
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{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00 },
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{ 0x06, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00 },
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{ 0x00, 0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18 },
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{ 0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00 },
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{ 0x00, 0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06 },
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{ 0x00, 0x0C, 0x00, 0x0C, 0x18, 0x30, 0x33, 0x1E },
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{ 0x00, 0x1E, 0x03, 0x7B, 0x7B, 0x7B, 0x63, 0x3E },
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{ 0x00, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x1E, 0x0C },
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{ 0x00, 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F },
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{ 0x00, 0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C },
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{ 0x00, 0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F },
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{ 0x00, 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F },
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{ 0x00, 0x0F, 0x06, 0x16, 0x1E, 0x16, 0x46, 0x7F },
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{ 0x00, 0x7C, 0x66, 0x73, 0x03, 0x03, 0x66, 0x3C },
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{ 0x00, 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33 },
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{ 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E },
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{ 0x00, 0x1E, 0x33, 0x33, 0x30, 0x30, 0x30, 0x78 },
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{ 0x00, 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67 },
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{ 0x00, 0x7F, 0x66, 0x46, 0x06, 0x06, 0x06, 0x0F },
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{ 0x00, 0x63, 0x63, 0x6B, 0x7F, 0x7F, 0x77, 0x63 },
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{ 0x00, 0x63, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x63 },
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{ 0x00, 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C },
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{ 0x00, 0x0F, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3F },
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{ 0x00, 0x38, 0x1E, 0x3B, 0x33, 0x33, 0x33, 0x1E },
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{ 0x00, 0x67, 0x66, 0x36, 0x3E, 0x66, 0x66, 0x3F },
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{ 0x00, 0x1E, 0x33, 0x38, 0x0E, 0x07, 0x33, 0x1E },
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{ 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x2D, 0x3F },
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{ 0x00, 0x3F, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33 },
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{ 0x00, 0x0C, 0x1E, 0x33, 0x33, 0x33, 0x33, 0x33 },
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{ 0x00, 0x63, 0x77, 0x7F, 0x6B, 0x63, 0x63, 0x63 },
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{ 0x00, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x63 },
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{ 0x00, 0x1E, 0x0C, 0x0C, 0x1E, 0x33, 0x33, 0x33 },
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{ 0x00, 0x7F, 0x66, 0x4C, 0x18, 0x31, 0x63, 0x7F },
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{ 0x00, 0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E },
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{ 0x00, 0x40, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03 },
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{ 0x00, 0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E },
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{ 0x00, 0x00, 0x00, 0x00, 0x63, 0x36, 0x1C, 0x08 },
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{ 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x0C, 0x0C },
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{ 0x00, 0x6E, 0x33, 0x3E, 0x30, 0x1E, 0x00, 0x00 },
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{ 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x07 },
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{ 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00, 0x00 },
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{ 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x30, 0x38 },
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{ 0x00, 0x1E, 0x03, 0x3F, 0x33, 0x1E, 0x00, 0x00 },
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{ 0x00, 0x0F, 0x06, 0x06, 0x0F, 0x06, 0x36, 0x1C },
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{ 0x1F, 0x30, 0x3E, 0x33, 0x33, 0x6E, 0x00, 0x00 },
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{ 0x00, 0x67, 0x66, 0x66, 0x6E, 0x36, 0x06, 0x07 },
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{ 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x0E, 0x00, 0x0C },
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{ 0x1E, 0x33, 0x33, 0x30, 0x30, 0x30, 0x00, 0x30 },
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{ 0x00, 0x67, 0x36, 0x1E, 0x36, 0x66, 0x06, 0x07 },
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{ 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0E },
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{ 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x33, 0x00, 0x00 },
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{ 0x00, 0x33, 0x33, 0x33, 0x33, 0x1F, 0x00, 0x00 },
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{ 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00, 0x00 },
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{ 0x0F, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00, 0x00 },
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{ 0x78, 0x30, 0x3E, 0x33, 0x33, 0x6E, 0x00, 0x00 },
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{ 0x00, 0x0F, 0x06, 0x66, 0x6E, 0x3B, 0x00, 0x00 },
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{ 0x00, 0x1F, 0x30, 0x1E, 0x03, 0x3E, 0x00, 0x00 },
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{ 0x00, 0x18, 0x2C, 0x0C, 0x0C, 0x3E, 0x0C, 0x08 },
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{ 0x00, 0x6E, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00 },
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{ 0x00, 0x0C, 0x1E, 0x33, 0x33, 0x33, 0x00, 0x00 },
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{ 0x00, 0x36, 0x7F, 0x7F, 0x6B, 0x63, 0x00, 0x00 },
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{ 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00, 0x00 },
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{ 0x1F, 0x30, 0x3E, 0x33, 0x33, 0x33, 0x00, 0x00 },
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{ 0x00, 0x3F, 0x26, 0x0C, 0x19, 0x3F, 0x00, 0x00 },
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{ 0x00, 0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38 },
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{ 0x00, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18 },
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{ 0x00, 0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3B, 0x6E },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
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};
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#endif // FONT_H
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45
components/oled/include/ssd1306.h
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45
components/oled/include/ssd1306.h
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#ifndef SSD_1306_H
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#define SSD_1306_H
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// From http://robotcantalk.blogspot.com/2015/03/interfacing-arduino-with-ssd1306-driven.html
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// SLA (0x3C) + WRITE_MODE (0x00) = 0x78 (0b01111000)
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#define OLED_I2C_ADDRESS 0x3C
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// Control byte
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#define OLED_CONTROL_BYTE_CMD_SINGLE 0x80
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#define OLED_CONTROL_BYTE_CMD_STREAM 0x00
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#define OLED_CONTROL_BYTE_DATA_STREAM 0x40
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// Fundamental commands (pg.28)
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#define OLED_CMD_SET_CONTRAST 0x81 // follow with 0x7F
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#define OLED_CMD_DISPLAY_RAM 0xA4
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#define OLED_CMD_DISPLAY_ALLON 0xA5
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#define OLED_CMD_DISPLAY_NORMAL 0xA6
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#define OLED_CMD_DISPLAY_INVERTED 0xA7
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#define OLED_CMD_DISPLAY_OFF 0xAE
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#define OLED_CMD_DISPLAY_ON 0xAF
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// Addressing Command Table (pg.30)
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#define OLED_CMD_SET_MEMORY_ADDR_MODE 0x20 // follow with 0x00 = HORZ mode = Behave like a KS108 graphic LCD
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#define OLED_CMD_SET_COLUMN_RANGE 0x21 // can be used only in HORZ/VERT mode - follow with 0x00 and 0x7F = COL127
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#define OLED_CMD_SET_PAGE_RANGE 0x22 // can be used only in HORZ/VERT mode - follow with 0x00 and 0x07 = PAGE7
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// Hardware Config (pg.31)
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#define OLED_CMD_SET_DISPLAY_START_LINE 0x40
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#define OLED_CMD_SET_SEGMENT_REMAP 0xA1
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#define OLED_CMD_SET_MUX_RATIO 0xA8 // follow with 0x3F = 64 MUX
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#define OLED_CMD_SET_COM_SCAN_MODE 0xC8
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#define OLED_CMD_SET_DISPLAY_OFFSET 0xD3 // follow with 0x00
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#define OLED_CMD_SET_COM_PIN_MAP 0xDA // follow with 0x12
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#define OLED_CMD_NOP 0xE3 // NOP
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// Timing and Driving Scheme (pg.32)
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#define OLED_CMD_SET_DISPLAY_CLK_DIV 0xD5 // follow with 0x80
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#define OLED_CMD_SET_PRECHARGE 0xD9 // follow with 0xF1
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#define OLED_CMD_SET_VCOMH_DESELCT 0xDB // follow with 0x30
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// Charge Pump (pg.62)
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#define OLED_CMD_SET_CHARGE_PUMP 0x8D // follow with 0x14
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#endif // SSD_1306_H
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