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  • 第 5 课 – 串行通信 (UART)

    概览

    通用异步收发传输器 (UART) 是一种流行的串行通信协议。它用于与各种传感器、电子元件进行通信,也常通过 USB 转 UART 转换器用作控制台的后端。在本课中,我们将学习如何以中断驱动的方式使用 UART 驱动程序,以便在有新数据到达时中断应用程序并调用回调函数 (ISR)。

    在本课的练习部分,我们将通过 UART 发送命令来控制开发板上的 LED。

    目标

    • 学习如何在异步模式(中断驱动)下通过 UART 发送/接收数据
    • 学习如何通过 UART API 配置 UART 外设硬件
    • 研究并练习 UART 驱动程序 API 的使用

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