diff --git a/examples/OLED_featherwing/OLED_featherwing.ino b/examples/OLED_featherwing/OLED_featherwing.ino new file mode 100644 index 0000000..2d0d246 --- /dev/null +++ b/examples/OLED_featherwing/OLED_featherwing.ino @@ -0,0 +1,79 @@ +#include +#include +#include +#include + +Adafruit_SSD1306 display = Adafruit_SSD1306(128, 32, &Wire); + +// OLED FeatherWing buttons map to different pins depending on board: +#if defined(ESP8266) + #define BUTTON_A 0 + #define BUTTON_B 16 + #define BUTTON_C 2 +#elif defined(ESP32) + #define BUTTON_A 15 + #define BUTTON_B 32 + #define BUTTON_C 14 +#elif defined(ARDUINO_STM32_FEATHER) + #define BUTTON_A PA15 + #define BUTTON_B PC7 + #define BUTTON_C PC5 +#elif defined(TEENSYDUINO) + #define BUTTON_A 4 + #define BUTTON_B 3 + #define BUTTON_C 8 +#elif defined(ARDUINO_FEATHER52832) + #define BUTTON_A 31 + #define BUTTON_B 30 + #define BUTTON_C 27 +#else // 32u4, M0, M4, nrf52840 and 328p + #define BUTTON_A 9 + #define BUTTON_B 6 + #define BUTTON_C 5 +#endif + +void setup() { + Serial.begin(9600); + + Serial.println("OLED FeatherWing test"); + // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally + display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // Address 0x3C for 128x32 + + 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(); +}