39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#pragma once
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#include "driver/spi_master.h"
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#include "driver/gpio.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_lcd_touch_gt911.h"
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#include "display/constants.h"
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#include <driver/i2c.h>
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class DisplayHandler {
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public:
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DisplayHandler(
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EventGroupHandle_t system_event_group
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) : _system_event_group(system_event_group) { }
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~DisplayHandler();
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// required to be called by inheriting class after SPI device is created
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// set set_display_ready to false if further initialization is needed before marking display ready
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void init_devices(bool set_display_ready = true);
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void epd_write_cmd(uint8_t cmd);
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void epd_write_data(uint8_t data);
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void epd_write_cmd_with_data(uint8_t cmd, const uint8_t* data, size_t data_len);
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private:
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SemaphoreHandle_t _spi_mutex = xSemaphoreCreateMutex();
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spi_device_handle_t _spi = nullptr;
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EventGroupHandle_t _system_event_group = nullptr;
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esp_lcd_panel_io_handle_t _tp_io_handle = nullptr;
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esp_lcd_touch_handle_t _tp_handle = nullptr;
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void _dangerous_epd_write_cmd_without_lock(uint8_t cmd);
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void _dangerous_epd_write_data_without_lock(uint8_t data);
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void _epd_init(void);
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void _touch_init(void);
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};
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