st7735.h

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#pragma once
 
#include "pico/stdlib.h"
#include "commands_ST7735.h"
#include "hw/spi/rtos_hw_spi.h"
#include "sw/display_device/display_device.h"
#include "sw/widget/rtos_widget.h"

#define DCX_COMMAND 0
#define DCX_DATA 1
#define ST7735_144_128x128_column_offset 2
#define ST7735_144_128x128_row_offset_0_90 1
#define ST7735_144_128x128_row_offset_180_270 3
#define ST7735_177_160x128_column_offset 0 // 2
#define ST7735_177_160x128_row_offset 0 // 1

enum class ST7735DisplayType
{
    ST7735_144_128_RGB_128_GREENTAB, //
    ST7735_177_160_RGB_128_GREENTAB //
};

enum class ST7735Rotation
{

    _0,
    _90,
    _180,
    _270
};

struct struct_ConfigST7735
{

    ST7735DisplayType display_type;
    uint backlight_pin;
    uint hw_reset_pin;
    uint dc_pin;
    ST7735Rotation rotation = ST7735Rotation::_0;
};
struct struct_ConfigScrollST7735
{
};

class ST7735 : public GraphicDisplayDevice
{
protected:
    HW_SPI_Master *spi;
    uint dc_pin;
    uint backlight_pin;
    uint hw_reset_pin;
    uint8_t ST7735_device_column_offset{0};
    uint8_t ST7735_device_row_offset{0};
    uint8_t TFT_panel_start_x{0};
    uint8_t TFT_panel_start_y{0};
    bool rgb_order;

    void enable_command_pin(bool enable);
    void hardware_reset();
    void init_pins();
    void device_wakeup();
    void config_frame_rate_control();
    void config_inversion_control();
    void config_power_control();
    // void init_column_row_address(struct_ConfigST7735 device_config);
    void config_gamma();
    void set_normal_mode();
    // void init_green_tab();
    void config_device_specific_size_and_offsets(struct_ConfigST7735 device_config);
    void send_cmd(uint8_t cmd);
    void send_cmd_list(uint8_t *cmd, size_t len);
    void send_buffer(uint8_t *buffer, size_t buffer_len);
    void set_backlight(bool on);
    void soft_reset();
    void set_RAM_write_addresses(uint8_t start_x, uint8_t start_y, size_t width, size_t height);
 
public:
    ST7735(HW_SPI_Master *spi, struct_ConfigST7735 device_config);
    virtual ~ST7735();

    void set_rotation_and_color(struct_ConfigST7735 device_config);

    void set_display_ON();

    void set_display_OFF();

    void enable_sleep(bool enable);
    void check_display_device_compatibility(struct_ConfigGraphicWidget framebuffer_cfg, CanvasFormat canvas_format);

    virtual void clear_device_screen_buffer(ColorIndex color_index = ColorIndex::BLACK);
 
    
    virtual void show(Canvas *canvas, const uint8_t anchor_x, const uint8_t anchor_y);
};

class rtos_ST7735 : public ST7735 , public rtos_GraphicDisplayDevice
{
    private:
    /* data */
    public:
    rtos_ST7735(rtos_HW_SPI_Master *spi, struct_ConfigST7735 device_config);
    ~rtos_ST7735();

    void show_from_display_queue(struct_WidgetDataToGateKeeper data_to_show);

    void show_widget(rtos_Widget* widget);
    void show(Canvas *canvas, const uint8_t anchor_x, const uint8_t anchor_y);

    void clear_device_screen_buffer();
    void check_rtos_display_device_compatibility(struct_ConfigGraphicWidget framebuffer_cfg, CanvasFormat canvas_format);
 
};