TESTE ARIDIO 4

ESP32 TTGO OLED LORA BATERIA 18650

DEMONSTRACAO DE DESENHO NO DISPLAY OLED

ESP32 TTGO OLED LORA BATERIA 18650

USANDO INTEFACE IDE DO ARDUINO

OBSERVACOES IMPORTANTES
Define o endereço do i2c do Oled(0x3c) e os pinos SDA(5) e SCL(4) PARA ESTE  ESP32

PRESSIONAR O BOTAO BOOT DURANTE A TRANSFERENCIA DO PROGRAMA




SSD1306DEMODESENHOARIDIO.ino


// EXEMPLO DEMO DISPLAY OLED;
//
//
//  ATENCAO ENDERECO DO DISPLAY E PINOS CLOCK E DADO
//RESET SSD1306 PINO
//  SSD1306  display(0x3c, 5, 4);
//
//
// For more informations, please vist www.heltec.cn or mail to support@heltec.cn

#include <Wire.h>  // Only needed for Arduino 1.6.5 and earlier
#include "SSD1306.h" // alias for `#include "SSD1306Wire.h"`

//OLED pins to ESP32 GPIOs via this connecthin:
//OLED_SDA -- GPIO5
//OLED_SCL -- GPIO4
//OLED_RST -- GPIO0

#define DISPLAY_HEIGHT 64
#define DISPLAY_WIDTH  128

SSD1306  display(0x3c, 5, 4);

// Adapted from Adafruit_SSD1306
void drawLines() {
  for (int16_t i=0; i<DISPLAY_WIDTH; i+=4) {
    display.drawLine(0, 0, i, DISPLAY_HEIGHT-1);
    display.display();
    delay(10);
  }
  for (int16_t i=0; i<DISPLAY_HEIGHT; i+=4) {
    display.drawLine(0, 0, DISPLAY_WIDTH-1, i);
    display.display();
    delay(10);
  }
  delay(250);

  display.clear();
  for (int16_t i=0; i<DISPLAY_WIDTH; i+=4) {
    display.drawLine(0, DISPLAY_HEIGHT-1, i, 0);
    display.display();
    delay(10);
  }
  for (int16_t i=DISPLAY_HEIGHT-1; i>=0; i-=4) {
    display.drawLine(0, DISPLAY_HEIGHT-1, DISPLAY_WIDTH-1, i);
    display.display();
    delay(10);
  }
  delay(250);

  display.clear();
  for (int16_t i=DISPLAY_WIDTH-1; i>=0; i-=4) {
    display.drawLine(DISPLAY_WIDTH-1, DISPLAY_HEIGHT-1, i, 0);
    display.display();
    delay(10);
  }
  for (int16_t i=DISPLAY_HEIGHT-1; i>=0; i-=4) {
    display.drawLine(DISPLAY_WIDTH-1, DISPLAY_HEIGHT-1, 0, i);
    display.display();
    delay(10);
  }
  delay(250);
  display.clear();
  for (int16_t i=0; i<DISPLAY_HEIGHT; i+=4) {
    display.drawLine(DISPLAY_WIDTH-1, 0, 0, i);
    display.display();
    delay(10);
  }
  for (int16_t i=0; i<DISPLAY_WIDTH; i+=4) {
    display.drawLine(DISPLAY_WIDTH-1, 0, i, DISPLAY_HEIGHT-1);
    display.display();
    delay(10);
  }
  delay(250);
}

// Adapted from Adafruit_SSD1306
void drawRect(void) {
  for (int16_t i=0; i<DISPLAY_HEIGHT/2; i+=2) {
    display.drawRect(i, i, DISPLAY_WIDTH-2*i, DISPLAY_HEIGHT-2*i);
    display.display();
    delay(10);
  }
}

// Adapted from Adafruit_SSD1306
void fillRect(void) {
  uint8_t color = 1;
  for (int16_t i=0; i<DISPLAY_HEIGHT/2; i+=3) {
    display.setColor((color % 2 == 0) ? BLACK : WHITE); // alternate colors
    display.fillRect(i, i, DISPLAY_WIDTH - i*2, DISPLAY_HEIGHT - i*2);
    display.display();
    delay(10);
    color++;
  }
  // Reset back to WHITE
  display.setColor(WHITE);
}

// Adapted from Adafruit_SSD1306
void drawCircle(void) {
  for (int16_t i=0; i<DISPLAY_HEIGHT; i+=2) {
    display.drawCircle(DISPLAY_WIDTH/2, DISPLAY_HEIGHT/2, i);
    display.display();
    delay(10);
  }
  delay(1000);
  display.clear();

  // This will draw the part of the circel in quadrant 1
  // Quadrants are numberd like this:
  //   0010 | 0001
  //  ------|-----
  //   0100 | 1000
  //
  display.drawCircleQuads(DISPLAY_WIDTH/2, DISPLAY_HEIGHT/2, DISPLAY_HEIGHT/4, 0b00000001);
  display.display();
  delay(200);
  display.drawCircleQuads(DISPLAY_WIDTH/2, DISPLAY_HEIGHT/2, DISPLAY_HEIGHT/4, 0b00000011);
  display.display();
  delay(200);
  display.drawCircleQuads(DISPLAY_WIDTH/2, DISPLAY_HEIGHT/2, DISPLAY_HEIGHT/4, 0b00000111);
  display.display();
  delay(200);
  display.drawCircleQuads(DISPLAY_WIDTH/2, DISPLAY_HEIGHT/2, DISPLAY_HEIGHT/4, 0b00001111);
  display.display();
}

void printBuffer(void) {
  // Initialize the log buffer
  // allocate memory to store 8 lines of text and 30 chars per line.
  display.setLogBuffer(5, 30);

  // Some test data
  const char* test[] = {
      "AQUI",
      "ESTAMOS" ,
      "----",
      "MOSTRANDO",
      "COMO",
      "O REGISTRO DO BUFFER",
      "ESTA",
      "FUNCIONANDO",
      "ENQUANTO",
      "O ROLAMENTO",
      "FUNCIONA"
  };

  for (uint8_t i = 0; i < 11; i++) {
    display.clear();
    // Print to the screen
    display.println(test[i]);
    // Draw it to the internal screen buffer
    display.drawLogBuffer(0, 0);
    // Display it on the screen
    display.display();
    delay(500);
  }
}




void setup() {
  pinMode(16,OUTPUT);
  digitalWrite(16, LOW);    // set GPIO16 low to reset OLED
  delay(50);
  digitalWrite(16, HIGH); // while OLED is running, must set GPIO16 in high

  display.init();

  display.flipScreenVertically();

  display.setContrast(255);

  drawLines();
  delay(1000);
  display.clear();

  drawRect();
  delay(1000);
  display.clear();

  fillRect();
  delay(1000);
  display.clear();

  drawCircle();
  delay(1000);
  display.clear();

  printBuffer();
  delay(1000);
  display.clear();
}




void loop() {


  display.flipScreenVertically();

  display.setContrast(255);

  drawLines();
  delay(1000);
  display.clear();

  drawRect();
  delay(1000);
  display.clear();

  fillRect();
  delay(1000);
  display.clear();

  drawCircle();
  delay(1000);
  display.clear();

  printBuffer();
  delay(1000);
  display.clear();

 }


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