stm32_hal_ssd1306

SSD1306, I2C, STM32 HAL

0. Development environment

• MCU : STM32F411CEU6 (WeAct Black Pill V3.0)
• IDE : STM32CubeIDE
• SSD1306 Module : Geekcreit® 0.96 Inch 4Pin White IIC I2C OLED Display Module 128x64
  • Enable Charge Pump
  • RESET pin remains HIGH

1. Feature

• Use I2C interface
• Write string on the screen
• SSD1306 commands are defined as functions

2. User Configuration

• I2C1

STM32CubeMx Configuration

ssd1306.h

/* SSD1306 Interface */ 
#define SSD1306_I2C                     (&hi2c1)

3. main.c

stm32f411_fw_ssd1306/Core/Src/main.c

#include "ssd1306.h"

int main(void)
{
    ssd1306_init();

    ssd1306_write_string(font6x8, "ABC");
    ssd1306_enter();

    ssd1306_write_string(font7x10, "ABC");
    ssd1306_enter();

    ssd1306_write_string(font11x18, "ABC");
    ssd1306_enter();

    ssd1306_write_string(font16x26, "ABC");
    ssd1306_enter();

    ssd1306_update_screen();
}

Reference

https://github.com/afiskon/stm32-ssd1306