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FIR upsampler

Hello!

I use DSP chip 6726. In DSPlib I obtained usefull functions of single precision FIR filter and dot product. In this forum I obtained FIR decimator in asm code. Can you get me FIR upsampler in asm code or in library format?

Although upsampler I can made form general fir filter, but this method it takes me additional operation (processor time) and memory usage