原始 MMIO

大多数微控制器通过内存映射 IO 访问外围设备。现在试着开启 micro:bit 上的 LED 指示灯:

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Speaker Notes

  • 将 GPIO 0 的引脚 21 连接到 LED 矩阵的第一列,将引脚 28 连接到第一行。

使用以下命令运行该示例:

cargo embed --bin mmio