ui.h

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/*
 * SPDX-FileCopyrightText: 2025 Anna-Lena Marx <mail@marx.engineer>
 *
 * SPDX-License-Identifier: MPL-2.0
 */
 
#ifndef _UI_H_
#define _UI_H_
 
#include <lvgl.h>
#include <lvgl_input_device.h>
#include <zephyr/drivers/adc.h>
#include <zephyr/drivers/display.h>
#include <zephyr/devicetree.h>
 
#include <ui/context/context.h>

 
#define UI_BOOK_LIST_STR_SIZE 1000
#define UI_SCREEN_REFRESH_PAGES 8
 
typedef enum
{
  UI_SUCCESS = 0,
  UI_ERROR_DISPLAY_NOT_READY = -1,
  UI_ERROR_LVGL_INPUT_NOT_READY = -2,
  UI_ERROR_ADC_CONTROLLER_NOT_READY = -3,
  UI_ERROR_ADC_CHANNEL_SETUP_FAILED = -4
} ui_error_code_t;

void ui_init(context_t *context);

void zereader_clean_page();

void zereader_print_page(const char *page);

void zereader_recreate_page(const char *content, size_t page);

void zereader_scroll_up(void);

void zereader_scroll_down(void);

void zereader_show_bookmenu(context_t *context, const char *booklist);

void zereader_show_logo();

void zereader_show_shutdown_screen();

void zereader_ui_lock(void);

void zereader_ui_unlock(void);

 
#endif