ESP8266 oled display and inverted text
Posted: Fri Oct 15, 2021 2:30 pmHi everyone,
I am struggling to solve how to display inverted text if i use custom fonts. With regular font it works, but font size "display.setTextSize(1);" or "display.setTextSize(2);" is too small or too big for me. So my code is following:
Any ideas how to make it work? I am to a programmer, just hobbyist....
I am struggling to solve how to display inverted text if i use custom fonts. With regular font it works, but font size "display.setTextSize(1);" or "display.setTextSize(2);" is too small or too big for me. So my code is following:
Code: Select all
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#include <Fonts/FreeSerif9pt7b.h>
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
void setup() {
Serial.begin(115200);
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
Serial.println(F("SSD1306 allocation failed"));
for(;;);
}
delay(2000);
display.clearDisplay();
display.setTextSize(1);
display.setFont(&FreeSerif9pt7b);
display.setTextColor(BLACK,WHITE); // <<-- This is supposed to be inverted text, but it does not show anything on display.....
display.setCursor(0, 30);
display.println("Hello, world!");
display.display();
}
void loop() {
}Any ideas how to make it work? I am to a programmer, just hobbyist....