38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
#ifndef _DISPLAY_H_
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#define _DISPLAY_H_
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 32 // OLED display height, in pixels
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#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
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#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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void display_init();
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void display_test();
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void display_init(){
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if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
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Serial.println(F("SSD1306 allocation failed"));
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}
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display.clearDisplay();
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display.display();
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}
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void display_test(){
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display.clearDisplay();
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display.setTextSize(1); // Normal 1:1 pixel scale
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display.setTextColor(SSD1306_WHITE); // Draw white text
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display.setCursor(0,0); // Start at top-left corner
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display.println(F("Hello Welt"));
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display.println(millis());
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display.println(now());
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display.display();
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}
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#endif |