Delete 'sample.txt'

sample.txt

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-#include "Arduino.h"
-#include <SPI.h>
-#include <Wire.h>
-#include <Adafruit_GFX.h>
-#include <Adafruit_SSD1306.h>
-
-#define SCREEN_WIDTH 128 // OLED display width, in pixels
-#define SCREEN_HEIGHT 32 // OLED display height, in pixels
-
-#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
-#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
-Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
-
-void testdrawrect(void) {
-  display.clearDisplay();
-
-  for(int16_t i=0; i<display.height()/2; i+=2) {
-    display.drawRect(i, i, display.width()-2*i, display.height()-2*i, SSD1306_WHITE);
-    display.display(); // Update screen with each newly-drawn rectangle
-    delay(1);
-  }
-
-  delay(2000);
-}
-
-void testfillrect(void) {
-  display.clearDisplay();
-
-  for(int16_t i=0; i<display.height()/2; i+=3) {
-    // The INVERSE color is used so rectangles alternate white/black
-    display.fillRect(i, i, display.width()-i*2, display.height()-i*2, SSD1306_INVERSE);
-    display.display(); // Update screen with each newly-drawn rectangle
-    delay(1);
-  }
-
-  delay(2000);
-}
-
-void testdrawchar(void) {
-  display.clearDisplay();
-
-  display.setTextSize(1);      // Normal 1:1 pixel scale
-  display.setTextColor(SSD1306_WHITE); // Draw white text
-  display.setCursor(0, 0);     // Start at top-left corner
-  display.cp437(true);         // Use full 256 char 'Code Page 437' font
-
-  // Not all the characters will fit on the display. This is normal.
-  // Library will draw what it can and the rest will be clipped.
-  for(int16_t i=0; i<256; i++) {
-    if(i == '\n') display.write(' ');
-    else          display.write(i);
-  }
-
-  display.display();
-  delay(2000);
-}
-
-void testdrawstyles(void) {
-  display.clearDisplay();
-
-  display.setTextSize(1);             // Normal 1:1 pixel scale
-  display.setTextColor(SSD1306_WHITE);        // Draw white text
-  display.setCursor(0,0);             // Start at top-left corner
-  display.println(F("Hello, world!"));
-
-  display.setTextColor(SSD1306_BLACK, SSD1306_WHITE); // Draw 'inverse' text
-  display.println(3.141592);
-
-  display.setTextSize(2);             // Draw 2X-scale text
-  display.setTextColor(SSD1306_WHITE);
-  display.print(F("0x")); display.println(0xDEADBEEF, HEX);
-
-  display.display();
-  delay(2000);
-}
-
-void setup() {
-  Serial.begin(9600);
-
-  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
-  
-
-  // Draw a single pixel in white
-  display.drawPixel(10, 10, SSD1306_WHITE);
-
-  // Show the display buffer on the screen. You MUST call display() after
-  // drawing commands to make them visible on screen!
-  display.display();
-  delay(2000);
-}
-
-void loop() {
-  testdrawrect();      // Draw rectangles (outlines)
-  testfillrect();      // Draw rectangles (filled)
-  testdrawchar();      // Draw characters of the default font
-  testdrawstyles();    // Draw 'stylized' characters
-}