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