2deb34e856
- ESP32 Platform from 2025.07.31 to 2025.08.30, Framework (Arduino Core) from v3.1.3.250712 to v3.1.3.250808 and IDF from v5.3.3.250707 to v5.3.3.250801 (#23778) - Epdiy library from v1.0.0 to v2.0.0
90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
/**
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* @file epd_internals.h
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* @brief Internal definitions and auxiliary data types.
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*
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* Unless you want to extend the library itself (Which you are very welcome to do),
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* you will most likely not need to know about this file.
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*/
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#ifndef EPD_INTERNALS_H
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#define EPD_INTERNALS_H
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#include <stdbool.h>
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#include <stdint.h>
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/// minimal draw time in ms for a frame layer,
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/// which will allow all particles to set properly.
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#define MINIMUM_FRAME_TIME 12
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/// Frame draw time for monochrome mode in 1/10 us.
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#define MONOCHROME_FRAME_TIME 120
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typedef struct {
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int phases;
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const uint8_t* luts;
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/// If we have timing information for the individual
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/// phases, this is an array of the on-times for each phase.
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/// Otherwise, this is NULL.
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const int* phase_times;
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} EpdWaveformPhases;
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typedef struct {
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uint8_t type;
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uint8_t temp_ranges;
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EpdWaveformPhases const** range_data;
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} EpdWaveformMode;
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typedef struct {
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int min;
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int max;
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} EpdWaveformTempInterval;
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typedef struct {
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uint8_t num_modes;
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uint8_t num_temp_ranges;
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EpdWaveformMode const** mode_data;
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EpdWaveformTempInterval const* temp_intervals;
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} EpdWaveform;
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extern const EpdWaveform epdiy_ED060SC4;
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extern const EpdWaveform epdiy_ED097OC4;
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extern const EpdWaveform epdiy_ED047TC1;
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extern const EpdWaveform epdiy_ED047TC2;
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extern const EpdWaveform epdiy_ED097TC2;
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extern const EpdWaveform epdiy_ED060XC3;
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extern const EpdWaveform epdiy_ED060SCT;
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extern const EpdWaveform epdiy_ED133UT2;
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extern const EpdWaveform epdiy_NULL;
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/// Font data stored PER GLYPH
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typedef struct {
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uint16_t width; ///< Bitmap dimensions in pixels
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uint16_t height; ///< Bitmap dimensions in pixels
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uint16_t advance_x; ///< Distance to advance cursor (x axis)
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int16_t left; ///< X dist from cursor pos to UL corner
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int16_t top; ///< Y dist from cursor pos to UL corner
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uint32_t compressed_size; ///< Size of the zlib-compressed font data.
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uint32_t data_offset; ///< Pointer into EpdFont->bitmap
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} EpdGlyph;
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/// Glyph interval structure
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typedef struct {
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uint32_t first; ///< The first unicode code point of the interval
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uint32_t last; ///< The last unicode code point of the interval
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uint32_t offset; ///< Index of the first code point into the glyph array
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} EpdUnicodeInterval;
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/// Data stored for FONT AS A WHOLE
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typedef struct {
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const uint8_t* bitmap; ///< Glyph bitmaps, concatenated
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const EpdGlyph* glyph; ///< Glyph array
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const EpdUnicodeInterval* intervals; ///< Valid unicode intervals for this font
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uint32_t interval_count; ///< Number of unicode intervals.
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bool compressed; ///< Does this font use compressed glyph bitmaps?
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uint16_t advance_y; ///< Newline distance (y axis)
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int ascender; ///< Maximal height of a glyph above the base line
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int descender; ///< Maximal height of a glyph below the base line
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} EpdFont;
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#endif // EPD_INTERNALS_H
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