例如用udma将gpio D 的gpiodata寄存器里的值传输到一个数组里面,用gpioC的一个管脚来触发传输,具体该怎么配置udma呢?通道和外设该选gpioc还是gpiod?
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例如用udma将gpio D 的gpiodata寄存器里的值传输到一个数组里面,用gpioC的一个管脚来触发传输,具体该怎么配置udma呢?通道和外设该选gpioc还是gpiod?