本人要用TMS320C5509A对long型数据做个低通滤波器,但是dsplib中只有short型的fir函数,自己写c运算量又太大,不知道大神们有没有什么好办法,还是我低通滤波器没找到long型的fir?求指点,主要是运算量要小。我用的dsplib是TMS320C55X的dsplib
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