STM32F401RET6之软件模拟I2C的oled

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已于 2023-04-05 13:28:21 修改 · 1k 阅读

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#stm32 #单片机 #嵌入式硬件 #mcu #驱动开发

于 2023-04-03 23:51:08 首次发布

本文详细介绍了如何使用STM32F401微控制器通过模拟I2C协议来驱动OLED显示屏，包括硬件配置、软件配置以及OLED的初始化和操作。文章提供了完整的代码示例，展示了如何配置GPIO端口、发送数据、处理应答以及实现I2C的起始和停止条件。此外，还提供了OLED显示字符的函数实现。

硬件配置

主控：STM32F401Nucleo-64（STM32F401RET6）
从控：SSD1306驱动控制的0.96OLED

软件配置

STM32CUBEMX
keil
一个字库

const unsigned char asc2_1206[95][12]={
   
   
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{
   
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{
   
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