在处理代码时，请注意程序如何从 xgpio_l.h 导入GPIO的基地址 ——如果变动了外部设备的基地址，EDK 会自动更新它。
While you're in there, note in passing how the program imports the GPIO base address from xgpio_l.h -- this is dynamically updated by EDK if you shuffle around the base address of the peripheral.
在处理代码时，请注意程序如何从 xgpio_l.h 导入GPIO的基地址 ——如果变动了外部设备的基地址，EDK 会自动更新它。
While you're in there, note in passing how the program imports the GPIO base address from xgpio_l.h -- this is dynamically updated by EDK if you shuffle around the base address of the peripheral.
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