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关于F28335官方FIR使用的几个问题



开发环境:CCSv4.2

处理器:F28335

有如下几个问题(对官方FIR库的使用的):

1,在每次对时域信号滤波时,官方的dbuffer是否是每次要清0?

2,在每次对时域信号滤波时,系数指针coeff_ptr是否必须重新初始化?

对以上两个问题,我测试的结果是:dbuffer每次须清0,coeff_ptr每次须重新初始化。

谢谢指教