Im new to arduino and i want to print int r1 into oled screen but it dosent work, please help
Code below
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1331.h>
#include <SPI.h>
#define sclk 13
#define mosi 11
#define cs 10
#define rst 8
#define dc 7
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
int r1 = random(100);
Adafruit_SSD1331 display = Adafruit_SSD1331(&SPI, cs, dc, rst);
float p = 3.1415926;
void setup(void) {
display.begin();
display.fillScreen(BLACK);
}
void loop()
{
display.setCursor(0,0);
display.print("test");
display.setCursor(10,10);
display.print(r1);
display.setCursor(20,20);
display.print("");
}