#include "Wire.h"
#include "Arduino.h"
#include "M5GFX.h"
#include "M5Unified.h"
#define CARDKB_ADDR 0x5F

int x=10,y=10;

M5GFX display;
M5Canvas canvas(&display);

void setup()
{
 auto cfg = M5.config();
 M5.begin(cfg);
 Serial.begin(115200);
 Wire.begin();
 pinMode(5, INPUT);
 digitalWrite(5, HIGH);
 M5.Lcd.fillScreen(YELLOW);
 M5.Lcd.setCursor(1, 10);
 M5.Lcd.setTextColor(YELLOW);
 M5.Lcd.setTextSize(2);
 M5.Lcd.printf("IIC Address: 0x5F\n");
 M5.Lcd.printf(">>");
}
void loop()
{
  
 Wire.requestFrom(CARDKB_ADDR, 1);
 while (Wire.available())
 {
 char c = Wire.read(); // receive a byte as characterif
 if (c != 0)
 {
  if(c==180){
    //M5.clear();
    //x=x-10;
    M5.Lcd.fillCircle(50, 50, 22, TFT_RED);
  }
  if(c==181){
    //M5.Display.clear();
    y=y-10;
    M5.Lcd.fillCircle(100, 50, 22, TFT_BLUE);
  }
  if(c==182){
    //M5.Display.clear();
    y=y+10;
    M5.Lcd.fillCircle(50, 100 , 22, TFT_YELLOW);
  }
  if(c==183){
    M5.Display.setCursor(0,0);
    //M5.Lcd.fillScreen(WHITE);
    delay(1000);
    M5.update();
    x=x+10;
    M5.Lcd.fillCircle(100, 100, 22, TFT_GREEN);
  }
 //M5.Lcd.printf("%c", c);
 //Serial.println(c, HEX);
 // M5.Speaker.beep();
 }
 }
}