ZX4D30NE01S / ST7701

[erazor83]

Device: ZX4D30NE01S

Controller should be: ST7701 / 480x272

It's a display only and very cheap (~23eur), can be bought at aliexpress:

• https://de.aliexpress.com/item/1005005681391329.html?spm=a2g0o.order_list.order_list_main.22.4d255c5fybT9BQ&gatewayAdapt=glo2deu

Found a doc about the panel:

• https://files.seeedstudio.com/products/ZX4D30NE01S-UR-4827.pdf

And some source:

• https://github.com/wireless-tag-com/ZX4D30NE01S/blob/master/main/board.h

I wrote a custom header but something seems to be wrong:

#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>

class LGFX : public lgfx::LGFX_Device
{
public:

  lgfx::Bus_RGB      _bus_instance;
  lgfx::Panel_ST7701 _panel_instance;
//  lgfx::Touch_GT911  _touch_instance;
   lgfx::Light_PWM   _light_instance;

  LGFX(void)
  {
    {
      auto cfg = _panel_instance.config();

      cfg.memory_width  = 480;
      cfg.memory_height = 272;
      cfg.panel_width  = 480;
      cfg.panel_height = 272;

      cfg.offset_x = 0;
      cfg.offset_y = 0;

      _panel_instance.config(cfg);
    }
/*
    {
      auto cfg = _panel_instance.config_detail();

      cfg.pin_cs = 1;
      cfg.pin_sclk = 12;
      cfg.pin_mosi = 11;

      _panel_instance.config_detail(cfg);
    }
*/
    {
      auto cfg = _bus_instance.config();
      cfg.panel = &_panel_instance;
      cfg.pin_d0  = GPIO_NUM_9;   // B0
      cfg.pin_d1  = GPIO_NUM_10;  // B1
      cfg.pin_d2  = GPIO_NUM_11;  // B2
      cfg.pin_d3  = GPIO_NUM_12;  // B3
      cfg.pin_d4  = GPIO_NUM_13;  // B4
      cfg.pin_d5  = GPIO_NUM_16;  // G0
      cfg.pin_d6  = GPIO_NUM_17;  // G1
      cfg.pin_d7  = GPIO_NUM_18;  // G2
      cfg.pin_d8  = GPIO_NUM_8;   // G3
      cfg.pin_d9  = GPIO_NUM_3;   // G4
      cfg.pin_d10 = GPIO_NUM_46;  // G5
      cfg.pin_d11 = GPIO_NUM_4;   // R0
      cfg.pin_d12 = GPIO_NUM_5;   // R1
      cfg.pin_d13 = GPIO_NUM_6;   // R2
      cfg.pin_d14 = GPIO_NUM_7;   // R3
      cfg.pin_d15 = GPIO_NUM_15;  // R4

      cfg.pin_henable = GPIO_NUM_40;
      cfg.pin_vsync   = GPIO_NUM_48;
      cfg.pin_hsync   = GPIO_NUM_47;
      cfg.pin_pclk    = GPIO_NUM_14;
      cfg.freq_write  = 14000000;

      cfg.hsync_polarity    = 0;
      cfg.hsync_front_porch = 10;
      cfg.hsync_pulse_width = 8;
      cfg.hsync_back_porch  = 50;
      cfg.vsync_polarity    = 0;
      cfg.vsync_front_porch = 10;
      cfg.vsync_pulse_width = 8;
      cfg.vsync_back_porch  = 20;
      cfg.pclk_idle_high    = 0;
      cfg.de_idle_high      = 1;
      _bus_instance.config(cfg);
    }
    _panel_instance.setBus(&_bus_instance);

    /*
    {
      auto cfg = _touch_instance.config();
      cfg.x_min      = 0;
      cfg.x_max      = 480;
      cfg.y_min      = 0;
      cfg.y_max      = 272;
      cfg.bus_shared = false;
      cfg.offset_rotation = 0;

      cfg.i2c_port   = I2C_NUM_1;

      cfg.pin_int    = GPIO_NUM_NC;
      cfg.pin_sda    = GPIO_NUM_17;
      cfg.pin_scl    = GPIO_NUM_18;
      cfg.pin_rst    = GPIO_NUM_38;

      cfg.freq       = 400000;
      _touch_instance.config(cfg);
      _panel_instance.setTouch(&_touch_instance);
    }
*/
     {
       auto cfg = _light_instance.config();
       cfg.pin_bl = GPIO_NUM_45;
       _light_instance.config(cfg);
     }
     _panel_instance.light(&_light_instance);

    setPanel(&_panel_instance);
  }
};

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This issue has been automatically closed because it has not had recent activity. Thank you for your contributions.