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// SPDX-FileCopyrightText: 2020 Foundation Devices, Inc. <hello@foundationdevices.com>
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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// LCD driver for Sharp LS018B7DH02 monochrome display
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#ifndef __LCD_H__
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#define __LCD_H__
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#include "stm32h7xx_hal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#define SCREEN_WIDTH 230
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#define SCREEN_HEIGHT 303
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#define SCREEN_BYTES_PER_LINE (240 / 8)
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#define SCREEN_BUF_SIZE (SCREEN_BYTES_PER_LINE * SCREEN_HEIGHT)
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typedef struct
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{
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uint8_t header[2];
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union {
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uint8_t pixels[SCREEN_BYTES_PER_LINE];
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uint16_t pixels_u16[SCREEN_BYTES_PER_LINE / 2];
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};
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} ScreenLine;
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typedef struct
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{
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ScreenLine lines[SCREEN_HEIGHT];
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uint16_t dummy;
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} Screen;
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// Data structures for lcd_test pattern creation
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typedef struct _LCDTestLine {
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uint8_t pixels[SCREEN_BYTES_PER_LINE];
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} LCDTestLine;
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typedef struct _LCDTestScreen {
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LCDTestLine lines[SCREEN_HEIGHT];
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} LCDTestScreen;
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void lcd_init(bool clear);
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void lcd_deinit(void);
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void lcd_clear(bool invert);
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void lcd_update(uint8_t* screen_data, bool invert);
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void lcd_test(void);
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void lcd_prebuffer_line(uint16_t y, uint8_t* line_data, bool invert);
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void lcd_update_line_range(uint16_t y_start, uint16_t y_end);
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#endif /* __LCD_H__ */
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