#include <avr/pgmspace.h>
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Fonts/FreeSerif9pt7b.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
const char s[] PROGMEM = {
"The Keyboard and Mouse examples are unique to the Leonardo, "
"Micro and Due. They demonstrate the use of libraries that "
"are unique to the board. And so on and so forth, for ever "
"and ever, ad infinitum, unless we run out of storage or "
"screen space or something like that. Who knows what will "
"come first. Will we even get to read this? I doubt it "
"somehow, as this is only a quick demonstration of the "
"technique, rather than production-ready code. "
"Yet, as if by magic, that does seem to work correctly. "
"So I shall try toBreakItWithASuperLongWordBecauseILikeToParty. "
"does that work? really? *really?* Very well then. :-) "
};
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library.
// On an arduino UNO: A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO: 2(SDA), 3(SCL), ...
#define OLED_RESET 4 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3D ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
void setup() {
Serial.begin(9600);
display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setTextWrap(true);
display.setCursor(0, 0);
display.clearDisplay();
int columns = 21;
// room for 22 characters and a null-terminator
char wrapped[columns + 2];
uint16_t spos = 0;
while (spos < sizeof(s)) {
uint16_t size = min(columns + 1, sizeof(s) - spos);
memcpy_P(wrapped, s + spos, size);
wrapped[size] = 0;
char* spc_ptr = strrchr(wrapped, ' ');
if (spc_ptr != 0) {
*spc_ptr = 0;
spos += spc_ptr - wrapped + 1;
} else {
wrapped[columns] = 0;
spos += columns;
}
Serial.println(wrapped);
display.println(wrapped);
display.display();
}
delay(10000);
}
void loop() {
}