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author | Clyne Sullivan <clyne@bitgloo.com> | 2021-10-30 10:12:07 -0400 |
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committer | Clyne Sullivan <clyne@bitgloo.com> | 2021-10-30 10:12:07 -0400 |
commit | 6f1c5203f14f82b6a10c9756ef1dc39bc8631ec0 (patch) | |
tree | 61dac19762297fd9ae1111ba47720b61eff02797 /gui/demos/2_iir_echo.cpp | |
parent | e4a8d6eefc267c3a38d5237205421cbbe6eaebe8 (diff) |
remove gui (now in stmdspgui repo)
Diffstat (limited to 'gui/demos/2_iir_echo.cpp')
-rw-r--r-- | gui/demos/2_iir_echo.cpp | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/gui/demos/2_iir_echo.cpp b/gui/demos/2_iir_echo.cpp deleted file mode 100644 index acb5c5d..0000000 --- a/gui/demos/2_iir_echo.cpp +++ /dev/null @@ -1,24 +0,0 @@ -Sample *process_data(Samples samples) -{ - constexpr unsigned int size = samples.size(); - constexpr unsigned int D = 2000; - - float alpha = readalt() / 4095.; - - static Sample output[size]; - static Sample prev[D]; // prev[0] = output[0 - D] - - // Do calculations with previous output - for (unsigned int i = 0; i < D; i++) - output[i] = samples[i] + alpha * (prev[i] - 2048); - - // Do calculations with current samples - for (unsigned int i = D; i < size; i++) - output[i] = samples[i] + alpha * (output[i - D] - 2048); - - // Save outputs for next computation - for (unsigned int i = 0; i < D; i++) - prev[i] = output[size - (D - i)]; - - return output; -} |