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AFE4400读取的数据不正确，放入手指后数据会有发生变化，使用红光数据减去红光直流数据后数据从负的几千到正的几百再到几千，没有规律，请问这是什么原因啊，从芯片读取的设置参数是正确的
这应该跟信号源和传感器有关吧. 再看看传感器到输入端的线路有没有引入噪声的机会
