是否有demo?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
那个ADC芯片需要一个握手信号吗?你可以在使用SPI读取之前给一个信号,可能需要一个GPIO去给一个电平
现在问题是gpio与UDMA如何连动,去读取外部的用户自己的A/D转换器,技术手册里没有