// Test for minimum program size. #include #include "SSD1306Ascii.h" #include "SSD1306AsciiSoftSpi.h" // pin definitions #define CS_PIN 7 #define RST_PIN 8 #define DC_PIN 9 #define MOSI_PIN 11 #define CLK_PIN 13 SSD1306AsciiSoftSpi oled; //------------------------------------------------------------------------------ void setup() { // Use next line if no RST_PIN or reset is not required. // oled.begin(&Adafruit128x64, CS_PIN, DC_PIN, CLK_PIN, MOSI_PIN); oled.begin(&Adafruit128x64, CS_PIN, DC_PIN, CLK_PIN, MOSI_PIN, RST_PIN); oled.setFont(System5x7); oled.clear(); oled.print("Hello world!"); } //------------------------------------------------------------------------------ void loop() {}