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https://github.com/ByteWelder/Tactility.git
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84 lines
3.6 KiB
C
84 lines
3.6 KiB
C
#ifndef _EPAPER_PANEL_H_
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#define _EPAPER_PANEL_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#include "epaper_config.h"
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// Forward declaration
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typedef struct epd_device epd_device_t;
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/*=============================================================================
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* Capability Flags
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*============================================================================*/
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#define EPD_CAP_PARTIAL (1 << 0) // Supports partial refresh
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#define EPD_CAP_FAST (1 << 1) // Supports fast refresh
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#define EPD_CAP_GRAYSCALE (1 << 2) // Supports grayscale mode
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#define EPD_CAP_BUSY_INV (1 << 3) // Inverted busy signal (HIGH=ready)
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/*=============================================================================
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* Controller Types
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*============================================================================*/
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typedef enum {
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EPD_CTRL_SSD16XX, // SSD1680/1681 BW panels (generic)
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EPD_CTRL_GDEY0154_LUT, // GDEY0154D67 with custom LUT
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EPD_CTRL_ACEP_6COLOR, // ACeP 6-color controller (GDEP073E01)
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EPD_CTRL_BWRY_4COLOR, // BWRY 4-color controller (GDEY037F51)
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EPD_CTRL_UC8253, // UC8253 BW panels (GDEQ031T10)
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EPD_CTRL_COUNT
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} epd_controller_type_t;
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/*=============================================================================
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* Panel Descriptor (Data-Driven)
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*============================================================================*/
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typedef struct {
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const char *name; // Panel name for logging
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uint16_t width; // Default width in pixels
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uint16_t height; // Default height in pixels
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epd_color_mode_t color_mode; // Color mode
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uint8_t bits_per_pixel; // 1, 2, or 4
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uint32_t caps; // Capability flags (EPD_CAP_*)
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epd_controller_type_t ctrl; // Controller type
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uint8_t source_shift_bytes; // GDDRAM X window offset in bytes (GDEY029T71H: 1)
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bool fast_full_update; // SSD1685 fast full update: bypass RED + temp override
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bool ssd1685_partial; // SSD1685 partial: 0x21=(0x00,0x00) + 0x22=0xDC
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uint8_t full_refresh_interval; // Periodic full refresh after N partials (0 = disabled)
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const void *init_data; // Panel-specific init data (LUT, etc.)
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} epd_panel_desc_t;
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/*=============================================================================
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* Controller Operations Interface
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*============================================================================*/
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typedef struct {
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esp_err_t (*init)(epd_device_t *dev);
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esp_err_t (*update)(epd_device_t *dev, epd_update_mode_t mode);
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esp_err_t (*write_ram)(epd_device_t *dev, const uint8_t *data, uint32_t len);
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esp_err_t (*write_ram_partial)(epd_device_t *dev, uint16_t x, uint16_t y,
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uint16_t w, uint16_t h, const uint8_t *data);
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esp_err_t (*sleep)(epd_device_t *dev);
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esp_err_t (*wake)(epd_device_t *dev);
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} epd_controller_ops_t;
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/*=============================================================================
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* Registry Functions
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*============================================================================*/
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// Get panel descriptor by type
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const epd_panel_desc_t* epd_get_panel_desc(epd_panel_type_t type);
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// Get controller operations by type
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const epd_controller_ops_t* epd_get_controller_ops(epd_controller_type_t ctrl);
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// Check if panel supports a capability
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static inline bool epd_panel_has_cap(const epd_panel_desc_t *panel, uint32_t cap) {
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return panel && (panel->caps & cap);
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}
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// Calculate buffer size for panel
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static inline uint32_t epd_calc_buffer_size(uint16_t w, uint16_t h, uint8_t bpp) {
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return ((uint32_t)w * h * bpp + 7) / 8;
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}
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#endif // _EPAPER_PANEL_H_
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