原始 MMIO

大多數微控制器會透過記憶體對映 IO 存取周邊裝置。請嘗試在 micro:bit 上開啟 LED:

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Speaker Notes

  • GPIO 0 接腳 21 連接至 LED 矩陣的第一欄,接腳 28 則連接至第一列。

使用下列指令執行範例:

cargo embed --bin mmio