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Reverb system using singlae allpass filter class for ST Nucleo F401RE.
main.cpp
- Committer:
- MikamiUitOpen
- Date:
- 2014-11-12
- Revision:
- 2:e1227bdb1ba5
- Parent:
- 0:ff3a8918b1ad
File content as of revision 2:e1227bdb1ba5:
//-------------------------------------------------------------- // Reverb system using all-pass filter dlass // 2014/11/12, Copyright (c) 2014 MIKAMI, Naoki //-------------------------------------------------------------- #include "mbed.h" #include "ADC_Base.hpp" // for ADC not using interrupt #include "DAC_MCP4922.hpp" // for DAC MCP4922 #include "allpass_filter.hpp" using namespace Mikami; const int FS_ = 12000; // Sampling frequency: 12 kHz ADC_Base adc_(A0, FS_); // for AD DAC_MCP4922 myDac_; // for DA const float G_A_ = 0.6f; AllpassFilter<1153> allpass_(G_A_); DigitalIn sw_(D2, PullDown); int main() { myDac_.ScfClockTim3(500000); // cutoff frequency: 5 kHz while (true) { float xn = adc_.Read(); // Read from A0 //----------------------------------------------- float yn; if (sw_.read() == 1) yn = allpass_.Execute(xn); else yn = xn; //----------------------------------------------- myDac_.Write(yn); // Write to DAC } }