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speedclock/Arduino_Libs/SSD1306Ascii-master/examples/WireI2c128x32/WireI2c128x32.ino
2018-07-07 19:17:51 +02:00

42 lines
913 B
C++

// Simple I2C test for ebay 128x32 oled.
#include <Wire.h>
#include "SSD1306Ascii.h"
#include "SSD1306AsciiWire.h"
// 0X3C+SA0 - 0x3C or 0x3D
#define I2C_ADDRESS 0x3C
// Define proper RST_PIN if required.
#define RST_PIN -1
SSD1306AsciiWire oled;
//------------------------------------------------------------------------------
void setup() {
Wire.begin();
Wire.setClock(400000L);
#if RST_PIN >= 0
oled.begin(&Adafruit128x32, I2C_ADDRESS, RST_PIN);
#else // RST_PIN >= 0
oled.begin(&Adafruit128x32, I2C_ADDRESS);
#endif // RST_PIN >= 0
oled.setFont(Adafruit5x7);
uint32_t m = micros();
oled.clear();
// first row
oled.println("set1X test");
// second row
oled.set2X();
oled.println("set2X test");
// third row
oled.set1X();
oled.print("micros: ");
oled.print(micros() - m);
}
//------------------------------------------------------------------------------
void loop() {}