27. Q15_scale

27.1. Function description:

This demo shows the FFT Q15 external calculation about scale arithmetic.

External calculation configure and enable scale arithmetic mode:

  • Initialize & configure the FFT.

  • Set the address of input data, and the value of scale fraction, then loading and start calculation.

  • Waiting calculation done to compare the result with the golden data to check.

Note

Only RTL Configure the FFT external calculation, the ctest is valid.

27.2. Test result:

If the output result is same as the golden data, then print pass, if not print fail.

27.3. IO connection:

None