LGFX_Elecrow_ESP32_Display_WZ8048C070.h

#define LGFX_USE_V1
#include <LovyanGFX.hpp>

#include <lgfx/v1/platforms/esp32s3/Panel_RGB.hpp>
#include <lgfx/v1/platforms/esp32s3/Bus_RGB.hpp>
#include <driver/i2c.h>

// LGFX for Elecrow 7" 800x480 ESP32 RGB touch display (WZ8048C070)
// https://www.elecrow.com/esp32-display-7-inch-hmi-display-rgb-tft-lcd-touch-screen-support-lvgl.html

class LGFX : public lgfx::LGFX_Device
{
public:
  lgfx::Bus_RGB _bus_instance;
  lgfx::Panel_RGB _panel_instance;
  lgfx::Light_PWM _light_instance;
  lgfx::Touch_GT911 _touch_instance;
  LGFX(void)
  {
    {
      auto cfg = _panel_instance.config();
      cfg.memory_width  = 800;
      cfg.memory_height = 480;
      cfg.panel_width   = 800;
      cfg.panel_height  = 480;
      cfg.offset_x      = 0;
      cfg.offset_y      = 0;
      _panel_instance.config(cfg);
    }

    {
      auto cfg = _bus_instance.config();
      cfg.panel = &_panel_instance;

      cfg.pin_d0  = GPIO_NUM_15; // B0
      cfg.pin_d1  = GPIO_NUM_7;  // B1
      cfg.pin_d2  = GPIO_NUM_6;  // B2
      cfg.pin_d3  = GPIO_NUM_5;  // B3
      cfg.pin_d4  = GPIO_NUM_4;  // B4

      cfg.pin_d5  = GPIO_NUM_9;  // G0
      cfg.pin_d6  = GPIO_NUM_46; // G1
      cfg.pin_d7  = GPIO_NUM_3;  // G2
      cfg.pin_d8  = GPIO_NUM_8;  // G3
      cfg.pin_d9  = GPIO_NUM_16; // G4
      cfg.pin_d10 = GPIO_NUM_1;  // G5

      cfg.pin_d11 = GPIO_NUM_14; // R0
      cfg.pin_d12 = GPIO_NUM_21; // R1
      cfg.pin_d13 = GPIO_NUM_47; // R2
      cfg.pin_d14 = GPIO_NUM_48; // R3
      cfg.pin_d15 = GPIO_NUM_45; // R4

      cfg.pin_henable = GPIO_NUM_41;
      cfg.pin_vsync   = GPIO_NUM_40;
      cfg.pin_hsync   = GPIO_NUM_39;
      cfg.pin_pclk    = GPIO_NUM_0;
      cfg.freq_write  = 12000000;

      cfg.hsync_polarity    = 0;
      cfg.hsync_front_porch = 40;
      cfg.hsync_pulse_width = 48;
      cfg.hsync_back_porch  = 40;

      cfg.vsync_polarity    = 0;
      cfg.vsync_front_porch = 1;
      cfg.vsync_pulse_width = 31;
      cfg.vsync_back_porch  = 13;

      cfg.pclk_active_neg = 1;
      cfg.de_idle_high    = 0;
      cfg.pclk_idle_high  = 0;

      _bus_instance.config(cfg);
    }
    _panel_instance.setBus(&_bus_instance);

    {
      auto cfg = _light_instance.config();
      cfg.pin_bl = GPIO_NUM_2;
      _light_instance.config(cfg);
    }
    _panel_instance.light(&_light_instance);

    {
      auto cfg = _touch_instance.config();
      cfg.x_min       = 0;
      cfg.x_max       = 799;
      cfg.y_min       = 0;
      cfg.y_max       = 479;
      cfg.pin_int     = -1;
      cfg.pin_rst     = -1;
      cfg.bus_shared  = false;
      cfg.offset_rotation = 0;
      cfg.i2c_port    = I2C_NUM_1;
      cfg.pin_sda     = GPIO_NUM_19;
      cfg.pin_scl     = GPIO_NUM_20;
      cfg.freq        = 400000;
      cfg.i2c_addr    = 0x14;
      _touch_instance.config(cfg);
      _panel_instance.setTouch(&_touch_instance);
    }
    setPanel(&_panel_instance);
  }
};