stm32f1i2c驱动ssd1306

使用硬件i2c协议,基于u8g库,移植了中文显示(需要自己取模) 可画线画点画⚪等 SSD1306 |STM32F10x |DESCRIPTION VCC |3.3V | GND |GND | SCL |PB6 |Serial clock line SDA |PB7 |Serial data line