rpi_dpi_rgb.h

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//
// Created by Clyde Stubbs on 29/10/2023.
//
#pragma once
 
// only applicable on ESP32-S3
#ifdef USE_ESP32_VARIANT_ESP32S3
#include "esphome/core/component.h"
#include "esphome/core/gpio.h"
#include "esphome/core/log.h"
#include "esphome/core/application.h"
#include "esphome/components/display/display.h"
#include "esp_lcd_panel_ops.h"
 
#include "esp_lcd_panel_rgb.h"
 
namespace esphome::rpi_dpi_rgb {
 
ESPHOME_LOG_TAG(TAG, "rpi_dpi_rgb");
 
class RpiDpiRgb final : public display::Display {
 public:
  void update() override { this->do_update_(); }
  void setup() override;
  void loop() override;
  float get_setup_priority() const override { return setup_priority::HARDWARE; }
  void draw_pixel_at(int x, int y, Color color) override;
 
  display::ColorOrder get_color_mode() { return this->color_mode_; }
  void set_color_mode(display::ColorOrder color_mode) { this->color_mode_ = color_mode; }
  void set_invert_colors(bool invert_colors) { this->invert_colors_ = invert_colors; }
 
  void add_data_pin(InternalGPIOPin *data_pin, size_t index) { this->data_pins_[index] = data_pin; };
  void set_de_pin(InternalGPIOPin *de_pin) { this->de_pin_ = de_pin; }
  void set_pclk_pin(InternalGPIOPin *pclk_pin) { this->pclk_pin_ = pclk_pin; }
  void set_vsync_pin(InternalGPIOPin *vsync_pin) { this->vsync_pin_ = vsync_pin; }
  void set_hsync_pin(InternalGPIOPin *hsync_pin) { this->hsync_pin_ = hsync_pin; }
  void set_enable_pin(GPIOPin *enable_pin) { this->enable_pin_ = enable_pin; }
  void set_reset_pin(GPIOPin *reset_pin) { this->reset_pin_ = reset_pin; }
  void set_width(uint16_t width) { this->width_ = width; }
  void set_dimensions(uint16_t width, uint16_t height) {
    this->width_ = width;
    this->height_ = height;
  }
  int get_width() override;
  int get_height() override;
  void set_hsync_back_porch(uint16_t hsync_back_porch) { this->hsync_back_porch_ = hsync_back_porch; }
  void set_hsync_front_porch(uint16_t hsync_front_porch) { this->hsync_front_porch_ = hsync_front_porch; }
  void set_hsync_pulse_width(uint16_t hsync_pulse_width) { this->hsync_pulse_width_ = hsync_pulse_width; }
  void set_vsync_pulse_width(uint16_t vsync_pulse_width) { this->vsync_pulse_width_ = vsync_pulse_width; }
  void set_vsync_back_porch(uint16_t vsync_back_porch) { this->vsync_back_porch_ = vsync_back_porch; }
  void set_vsync_front_porch(uint16_t vsync_front_porch) { this->vsync_front_porch_ = vsync_front_porch; }
  void set_pclk_frequency(uint32_t pclk_frequency) { this->pclk_frequency_ = pclk_frequency; }
  void set_pclk_inverted(bool inverted) { this->pclk_inverted_ = inverted; }
  void set_offsets(int16_t offset_x, int16_t offset_y) {
    this->offset_x_ = offset_x;
    this->offset_y_ = offset_y;
  }
  display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_COLOR; }
  void dump_config() override;
 
 protected:
  void draw_pixels_internal(int x_start, int y_start, int w, int h, const uint8_t *ptr, display::ColorBitness bitness,
                            bool big_endian, int x_offset, int y_offset, int x_pad) override;
 
  void write_to_display_(int x_start, int y_start, int w, int h, const uint8_t *ptr, int x_offset, int y_offset,
                         int x_pad);
  int get_width_internal() override { return this->width_; }
  int get_height_internal() override { return this->height_; }
  void reset_display_() const;
  InternalGPIOPin *de_pin_{nullptr};
  InternalGPIOPin *pclk_pin_{nullptr};
  InternalGPIOPin *hsync_pin_{nullptr};
  InternalGPIOPin *vsync_pin_{nullptr};
  GPIOPin *enable_pin_{nullptr};
  GPIOPin *reset_pin_{nullptr};
  InternalGPIOPin *data_pins_[16] = {};
  uint16_t hsync_front_porch_ = 8;
  uint16_t hsync_pulse_width_ = 4;
  uint16_t hsync_back_porch_ = 8;
  uint16_t vsync_front_porch_ = 8;
  uint16_t vsync_pulse_width_ = 4;
  uint16_t vsync_back_porch_ = 8;
  uint32_t pclk_frequency_ = 16 * 1000 * 1000;
  bool pclk_inverted_{true};
 
  bool invert_colors_{};
  display::ColorOrder color_mode_{display::COLOR_ORDER_BGR};
  size_t width_{};
  size_t height_{};
  int16_t offset_x_{0};
  int16_t offset_y_{0};
 
  esp_lcd_panel_handle_t handle_{};
};
 
}  // namespace esphome::rpi_dpi_rgb
#endif  // USE_ESP32_VARIANT_ESP32S3