Certo che ho eseguito tutto sui due tutorials e quello che bisogna fare.Ho provato il test di queste due schede e funziona tranquillamente e ve lo posto:#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
Adafruit_SSD1306 display = Adafruit_SSD1306();
#if defined(ESP8266)
#define BUTTON_A 0
#define BUTTON_B 16
#define BUTTON_C 2
#define LED 0
#elif defined(ESP32)
#define BUTTON_A 15
#define BUTTON_B 32
#define BUTTON_C 14
#define LED 13
#elif defined(ARDUINO_STM32F2_FEATHER)
#define BUTTON_A PA15
#define BUTTON_B PC7
#define BUTTON_C PC5
#define LED PB5
#elif defined(TEENSYDUINO)
#define BUTTON_A 4
© Adafruit Industries Overview | Adafruit OLED FeatherWing | Adafruit Learning System Page 18 of 32
#define BUTTON_B 3
#define BUTTON_C 8
#define LED 13
#elif defined(ARDUINO_FEATHER52)
#define BUTTON_A 31
#define BUTTON_B 30
#define BUTTON_C 27
#define LED 17
#else // 32u4, M0, and 328p
#define BUTTON_A 9
#define BUTTON_B 6
#define BUTTON_C 5
#define LED 13
#endif
#if (SSD1306_LCDHEIGHT != 32)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif
void setup() {
Serial.begin(9600);
Serial.println("OLED FeatherWing test");
// by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // initialize with the I2C addr 0x3C (for the 128x32)
// init done
Serial.println("OLED begun");
// Show image buffer on the display hardware.
// Since the buffer is intialized with an Adafruit splashscreen
// internally, this will display the splashscreen.
display.display();
delay(1000);
// Clear the buffer.
display.clearDisplay();
display.display();
Serial.println("IO test");
pinMode(BUTTON_A, INPUT_PULLUP);
pinMode(BUTTON_B, INPUT_PULLUP);
pinMode(BUTTON_C, INPUT_PULLUP);
// text display tests
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(0,0);
display.print("Connecting to SSID\n'adafruit':");
display.print("connected!");
display.println("IP: 10.0.1.23");
display.println("Sending val #0");
display.setCursor(0,0);
display.display(); // actually display all of the above
}
void loop() {
if (! digitalRead(BUTTON_A)) display.print("A");
if (! digitalRead(BUTTON_B)) display.print("B");
if (! digitalRead(BUTTON_C)) display.print("C");
delay(10);
yield();
display.display();
}