#include <SPI.h>
#include <TFT_eSPI.h>

TFT_eSPI tft = TFT_eSPI();
int ysep=90;
int datos [240];
int dataLen=sizeof(datos)/sizeof(datos[0]);
//SPRITE
TFT_eSprite sprSpectre = TFT_eSprite(&tft);
//*/

void getRandomSigStrength(int dataLen){
  for (int i=0; i<=dataLen; i++){
    datos[i]=random(10,50);
  }
}

void drawSprite(){
  //sprSpectre.drawFastVline()
}

void setup() {
  // put your setup code here, to run once:
  tft.init();
  tft.setRotation(0);
  tft.fillScreen(TFT_BLACK);
  //Serial.begin(115200);
  // SPRITE
  sprSpectre.createSprite(TFT_WIDTH, ysep);
  //*/
}

void loop() {
  // put your main code here, to run repeatedly:
  //tft.drawFastVLine(120, 120, 50, TFT_RED);
  //getRandomSigStrength(dataLen); // manda in crash la MCU??? su seriale mi continua a dare "rebooting - error - backtrace..."
  for (int i=0; i<=dataLen; i++){
    //tft.drawFastVLine(i, 120, random(10,50), TFT_RED);
    tft.drawLine(i, 120, i, 120-random(10,50), TFT_RED);
    //tft.drawLine(i, 120, i, 120-datos[i], TFT_RED);// niente, perchè con il random richiamato tutte quelle volte si vede che va in crash.
    sprSpectre.drawFastVLine(i, 0, 90-random(10,50), TFT_BLUE);
  }
  sprSpectre.pushSprite(0, 120);
  tft.fillScreen(TFT_BLACK);
  sprSpectre.fillSprite(TFT_BLACK);
}