SSD1306 library and simple graphics core library based on Adafruit GFX Library.

Related tags

Miscellaneous cpp raspberry gfx ssd1306 pico raspberry-pi-pico
Overview

Raspberry Pico SSD1306 + GFX Library

Based on Adafruit GFX Library https://github.com/adafruit/Adafruit-GFX-Library

Usage

Hardware

Connect your SSD1306 oled display to i2c1 port (you can change it during initialization)

SDA->GPIO2
SCL->GPIO3
GND->GND
VCC->3V3(OUT)

Software

The library needs only two files to run SSD1306.hpp and SSD1306.cpp. This gives you the ability to display a bitmap or array of pixels. You need the GFX library to make it easier to create images for your display. (GFX.hpp and GFX.cpp)

logo.hpp is an example showing how to create bitmaps. fonts.hpp contains one font.

Example

Repo provides an example of how a library can be used.

git clone https://github.com/mbober1/RPi-Pico-SSD1306-library.git
cd RPi-Pico-SSD1306-library/example/
mkdir build
cd build

Change path to pico-sdk in CMakeLists.txt (line 3)

cmake ..
make -j4

Make your own logo

http://www.majer.ch/lcd/adf_bitmap.php

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Comments
  • Height pixels divided by 2

    Height pixels divided by 2

    I have a RPi Pico and a I2C 0.91" oled 128x32 display.

    With this code the result is a reactangle of 10x5 instead of 10x10 (see image). The second block exceed the vertical no of pixels. Counting the shown vertical pixel it are 16 instead of 32.

        i2c_init(i2c1, 100000);
    gpio_set_function(2, GPIO_FUNC_I2C);
    gpio_set_function(3, GPIO_FUNC_I2C);
    gpio_pull_up(2);
    gpio_pull_up(3);

    GFX oled(0x3C, 128, 32, i2c1);
    oled.clear();
    oled.drawFillRectangle(0, 0, oled.getWidth(), oled.getHeight(), colors::BLACK);
    oled.drawFillRectangle(0, 0, 10, 10, colors::WHITE);
    oled.drawFillRectangle(5, 20, 20, 20, colors::WHITE);
    oled.display();

    S20210422_0002

    When I define the height as 64 I get an actual height of 32.

        GFX oled(0x3C, 128, 64, i2c1);
    oled.clear();
    oled.drawFillRectangle(0, 0, oled.getWidth(), oled.getHeight(), colors::BLACK);
    oled.drawFillRectangle(0, 0, 10, 10, colors::WHITE);
    oled.drawFillRectangle(5, 20, 20, 20, colors::WHITE);
    oled.drawFillRectangle(0, 20, 5, 30, colors::WHITE);
    oled.display();

    S20210422_0003

    With an Arduino it works perfectly. Has any one an idea about the course/solution?

    opened by cvtvoogt 4
  • added font accessors, removed `GFX::swap`

    added font accessors, removed `GFX::swap`

    • this allows to set/get the font, closing #3
    • also, i removed swap from GFX and made it static and anonymous-namespaced. it was private: inline anyway, so literally no way for anything outside of GFX to access it, but it still cluttered the class and exports, so now the compiler knows how to optimize it correctly.
    opened by nonchip 1
Owner
Marcin Bober
Marcin Bober
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