WT32-SC01 with Arduino core and LovyanGFX / large sprite

WT32-SC01-test2.ino

#include <LovyanGFX.hpp>

struct LGFX_Config {
  static constexpr spi_host_device_t spi_host = HSPI_HOST; 
  static constexpr int dma_channel = 1;
  static constexpr int spi_sclk = 14;
  static constexpr int spi_mosi = 13;
  static constexpr int spi_miso = -1;
  static constexpr int spi_dlen = 8;
};

static lgfx::LGFX_SPI<LGFX_Config> lcd;
static LGFX_Sprite sprite(&lcd);
static lgfx::Panel_ST7796 panel;

void setup() {
  Serial.begin( 9600 );
  
  panel.freq_write = 40000000L;
  panel.freq_fill  = 40000000L;
  panel.freq_read  = 40000000L;
  panel.spi_mode = 0;
  panel.spi_mode_read = 0;
  panel.len_dummy_read_pixel = 8;
  panel.spi_read = false;
  panel.spi_3wire = false;
  panel.spi_cs = 15;
  panel.spi_dc = 21;
  panel.gpio_rst = 22;
  panel.gpio_bl  = 23;
  panel.backlight_level = true;
  panel.memory_width  = 320;
  panel.memory_height = 480;
  panel.panel_width  = 320;
  panel.panel_height = 480;
  panel.offset_x = 0;
  panel.offset_y = 0;
  panel.rotation = 1;
  panel.offset_rotation = 0;
  lcd.setPanel(&panel);
  lcd.init();

  sprite.setPsram( true );
  sprite.setColorDepth( 16 );
  sprite.createSprite( 480, 320 );
  sprite.clear( TFT_BLUE );
  sprite.pushSprite( 0, 0 );
}

unsigned long t1 = 0;
int frame_count = 0;

void loop() {
  if ( t1 == 0 ) {
    t1 = millis();
  }
  frame_count ++;
  unsigned long t2 = millis();
  if ( t2 - t1 > 1000 ) {
    Serial.println( ( (float)frame_count / ( t2 - t1 ) ) * 1000 );
    t1 = t2;
    frame_count = 0;
  }
  int x = random( 480 );
  int y = random( 320 );
  int r = random( 10, 50 );
  uint16_t col = random( 0x10000 );
  sprite.fillCircle( x, y, r, col );
  sprite.pushSprite( 0, 0 );
}