esphome/esphome/components/ili9341/ili9341_display.h
2022-09-02 15:46:51 +12:00

124 lines
3.4 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/components/spi/spi.h"
#include "esphome/components/display/display_buffer.h"
#include "ili9341_defines.h"
#include "ili9341_init.h"
#include "esphome/core/log.h"
namespace esphome {
namespace ili9341 {
enum ILI9341Model {
M5STACK = 0,
TFT_24,
TFT_24R,
};
enum ILI9341ColorMode {
BITS_8,
BITS_8_INDEXED,
};
class ILI9341Display : public PollingComponent,
public display::DisplayBuffer,
public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_40MHZ> {
public:
void set_dc_pin(GPIOPin *dc_pin) { dc_pin_ = dc_pin; }
float get_setup_priority() const override;
void set_reset_pin(GPIOPin *reset) { this->reset_pin_ = reset; }
void set_led_pin(GPIOPin *led) { this->led_pin_ = led; }
void set_model(ILI9341Model model) { this->model_ = model; }
void set_palette(const uint8_t *palette) { this->palette_ = palette; }
void set_buffer_color_mode(ILI9341ColorMode color_mode) { this->buffer_color_mode_ = color_mode; }
void command(uint8_t value);
void data(uint8_t value);
void send_command(uint8_t command_byte, const uint8_t *data_bytes, uint8_t num_data_bytes);
uint8_t read_command(uint8_t command_byte, uint8_t index);
virtual void initialize() = 0;
void update() override;
void fill(Color color) override;
void dump_config() override;
void setup() override {
this->setup_pins_();
this->initialize();
this->x_low_ = this->width_;
this->y_low_ = this->height_;
this->x_high_ = 0;
this->y_high_ = 0;
this->init_internal_(this->get_buffer_length_());
this->fill_internal_(0x00);
}
display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_COLOR; }
protected:
void draw_absolute_pixel_internal(int x, int y, Color color) override;
void setup_pins_();
void init_lcd_(const uint8_t *init_cmd);
void set_addr_window_(uint16_t x, uint16_t y, uint16_t w, uint16_t h);
void invert_display_(bool invert);
void reset_();
void fill_internal_(uint8_t color);
void display_();
void rotate_my_(uint8_t m);
ILI9341Model model_;
int16_t width_{320}; ///< Display width as modified by current rotation
int16_t height_{240}; ///< Display height as modified by current rotation
uint16_t x_low_{0};
uint16_t y_low_{0};
uint16_t x_high_{0};
uint16_t y_high_{0};
const uint8_t *palette_;
ILI9341ColorMode buffer_color_mode_{BITS_8};
uint32_t get_buffer_length_();
int get_width_internal() override;
int get_height_internal() override;
void start_command_();
void end_command_();
void start_data_();
void end_data_();
uint8_t transfer_buffer_[64];
uint32_t buffer_to_transfer_(uint32_t pos, uint32_t sz);
GPIOPin *reset_pin_{nullptr};
GPIOPin *led_pin_{nullptr};
GPIOPin *dc_pin_;
GPIOPin *busy_pin_{nullptr};
};
//----------- M5Stack display --------------
class ILI9341M5Stack : public ILI9341Display {
public:
void initialize() override;
};
//----------- ILI9341_24_TFT display --------------
class ILI9341TFT24 : public ILI9341Display {
public:
void initialize() override;
};
//----------- ILI9341_24_TFT rotated display --------------
class ILI9341TFT24R : public ILI9341Display {
public:
void initialize() override;
};
} // namespace ili9341
} // namespace esphome