spi_3wire doesn't seem to be working? about lovyangfx HOT 8 CLOSED

/*----------------------------------------------------------------------------/
 * Lovyan GFX - Graphics library for embedded devices.
 *
 O *riginal Source:
 https://github.com/lovyan03/LovyanGFX/

 Licence:
 [FreeBSD](https://github.com/lovyan03/LovyanGFX/blob/master/license.txt)

 Author:
 [lovyan03](https://twitter.com/lovyan03)

 Contributors:
 [ciniml](https://github.com/ciniml)
 [mongonta0716](https://github.com/mongonta0716)
 [tobozo](https://github.com/tobozo)
 /----------------------------------------------------------------------------*/
#pragma once

#include "Panel_LCD.hpp"

namespace lgfx
{
    inline namespace v1
    {
        //----------------------------------------------------------------------------

        struct Panel_ST7789P3  : public Panel_LCD
        {
            Panel_ST7789P3(void)
            {
                _cfg.panel_height = _cfg.memory_height = 320;
                _cfg.dummy_read_pixel = 16;
            }

        protected:

            const uint8_t* getInitCommands(uint8_t listno) const override {

                static constexpr uint8_t list0[] = {
                    0x11, 0+CMD_INIT_DELAY, 120,
                    0x36, 1, 0x00,
                    0x3A, 1, 0x05,
                    0xB2, 5, 0x0C, 0x0C, 0x00, 0x33, 0x33,
                    0xb7, 1, 0x56,
                    0xbb, 1, 0x1d,
                    0xc0, 1, 0x2c,
                    0xc2, 1, 0x01,
                    0xc3, 1, 0x0f,
                    0xc6, 1, 0x0f,
                    0xd0, 1, 0xa7,
                    0xd0, 2, 0xa4, 0xa1,
                    0xd6, 1, 0xa1,
                    0xe0, 14, 0xF0, 0x02, 0x07, 0x05, 0x06, 0x14, 0x2F, 0x54, 0x46, 0x38, 0x13, 0x11, 0x2E, 0x35,
                    0xe1, 14, 0xF0, 0x08, 0x0C, 0x0C, 0x09, 0x05, 0x2F, 0x43, 0x46, 0x36, 0x10, 0x12, 0x2C, 0x32,
                    0x21, 0,
                    0x29, 0,
                    0x2c, 0+CMD_INIT_DELAY, 100,
                    0x2a, 4, 0x00, 0x00, 0x01, 0x3f,
                    0x2b, 4, 0x00, 0x00, 0x00, 0xef,
                    0x2c, 0,
                    0xFF,0xFF, // end
                };
                switch (listno) {
                    case 0: return list0;
                    default: return nullptr;
                }
            }
        };

        //----------------------------------------------------------------------------
    }
}

#define MOSI_PIN 3
#define MISO_PIN 3 // should be -1 according to SPI_3Wire_Interface_Init() !!

#include <LovyanGFX.hpp>

namespace lgfx
{
  inline namespace v1
  {
    //----------------------------------------------------------------------------

    struct Panel_ST7789P3  : public Panel_LCD
    {
      Panel_ST7789P3(void)
      {
        _cfg.panel_height = _cfg.memory_height = 320;
        _cfg.dummy_read_pixel = 16;
      }

    protected:

      const uint8_t* getInitCommands(uint8_t listno) const override {

        static constexpr uint8_t list0[] = {
          0x11, 0+CMD_INIT_DELAY, 120,
          0x36, 1, 0x00,
          0x3A, 1, 0x05,
          0xB2, 5, 0x0C, 0x0C, 0x00, 0x33, 0x33,
          0xb7, 1, 0x56,
          0xbb, 1, 0x1d,
          0xc0, 1, 0x2c,
          0xc2, 1, 0x01,
          0xc3, 1, 0x0f,
          0xc6, 1, 0x0f,
          0xd0, 1, 0xa7,
          0xd0, 2, 0xa4, 0xa1,
          0xd6, 1, 0xa1,
          0xe0, 14, 0xF0, 0x02, 0x07, 0x05, 0x06, 0x14, 0x2F, 0x54, 0x46, 0x38, 0x13, 0x11, 0x2E, 0x35,
          0xe1, 14, 0xF0, 0x08, 0x0C, 0x0C, 0x09, 0x05, 0x2F, 0x43, 0x46, 0x36, 0x10, 0x12, 0x2C, 0x32,
          0x21, 0,
          0x29, 0,
          0x2c, 0+CMD_INIT_DELAY, 100,
          0x2a, 4, 0x00, 0x00, 0x01, 0x3f,
          0x2b, 4, 0x00, 0x00, 0x00, 0xef,
          0x2c, 0,
          0xFF,0xFF, // end
        };
        switch (listno) {
          case 0: return list0;
          default: return nullptr;
        }
      }
    };

    //----------------------------------------------------------------------------
  }
}


class C3GFX: public lgfx::LGFX_Device {
  lgfx::Panel_ST7789P3 _panel_instance;
  lgfx::Bus_SPI        _spi_bus_instance;
  lgfx::Light_PWM      _light_instance;

public:

  C3GFX() {

    {
      auto cfg = _light_instance.config();
      cfg.pin_bl = GPIO_NUM_5;
      cfg.invert = false;
      cfg.freq = 1000;
      cfg.pwm_channel = 5;
      _light_instance.config(cfg);
    }

    {
      auto cfg = _spi_bus_instance.config();
      //cfg.spi_host = LCD_HOST;
      cfg.spi_mode = 0;
      cfg.freq_write = 40000000;
      cfg.freq_read = 16000000;
      cfg.spi_3wire = true;
      cfg.pin_sclk = GPIO_NUM_1;
      cfg.pin_mosi = GPIO_NUM_3;
      cfg.pin_miso = -1;
      cfg.pin_dc = -1;
      _spi_bus_instance.config(cfg);
    }

    {
      auto cfg = _panel_instance.config();
      cfg.invert       = false;
      cfg.pin_cs       = GPIO_NUM_2;
      cfg.pin_rst      = GPIO_NUM_4;
      cfg.pin_busy     = -1;
      cfg.panel_width  = 320;
      cfg.panel_height = 240;
      cfg.offset_x     = 0;
      cfg.offset_y     = 0;
      cfg.rgb_order = false;
      _panel_instance.setBus(&_spi_bus_instance);
      _panel_instance.config(cfg);
    }

    _panel_instance.setLight(&_light_instance);
    setPanel(&_panel_instance);
  };

  // override the init()
  inline bool init(void)
  {
    // HW_Reset();
    lgfx::pinMode(GPIO_NUM_4, lgfx::pin_mode_t::output);
    lgfx::gpio_hi(GPIO_NUM_4);
    lgfx::delay(100);
    lgfx::gpio_lo(GPIO_NUM_4);
    lgfx::delay(120);
    lgfx::gpio_hi(GPIO_NUM_4);
    delay(120); // ms

    /* Lgfx */
    return lgfx::LGFX_Device::init();
  }


};

C3GFX lcd;

void setup()
{
  Serial.begin(115200);
  lcd.init();
  lcd.println("Hello World");
  delay(1000);
  lcd.clear(TFT_RED);
}

void loop()
{
}