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PDM转PCM

Other Parts Discussed in Thread: CC1350STK, CC1310

我用CC1310连接MIC,使用PDM转PCM来采集音频数据,根据CC1350STK里面的pdmstream工程移植,

使用PDMCC26XX_requestBuffer函数来获取转换后的数据,发现数据不对,我直接把dat引脚接VCC,

得到的数据是0x0011或者是0x0004,dat引脚接GND得到的数据是0xFF94或者是0x00c9,不知道是什么原因。