Diff: main.cpp

Revision:

0:6e3051283dd7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jan 17 05:45:20 2016 +0000
@@ -0,0 +1,38 @@
+//-----------------------------------------------------------
+//  Measurement execution time of "FftReal"
+//      for Nucleo-401 and DISCO-F746
+//
+//  2016/01/17, Copyright (c) 2016 MIKAMI, Naoki
+//-----------------------------------------------------------
+
+#include "fftReal.hpp"
+using namespace Mikami;
+
+
+const int N_FFT_ = 128;     // number of date for FFT
+//const int N_FFT_ = 256;     // number of date for FFT
+//const int N_FFT_ = 512;     // number of date for FFT
+
+DigitalOut dOut(D7);
+
+int main()
+{
+    printf("SystemCoreClock = %d MHz\r\n", SystemCoreClock/1000000);
+    
+    FftReal fft(N_FFT_);    // Declaration of FFT object
+
+    float xn[N_FFT_];
+    Complex y[N_FFT_];
+    
+    srand(1234);
+    for (int n=0; n<N_FFT_; n++)
+        xn[n] = 2.0f*rand()/(float)RAND_MAX - 1.0f;
+    
+    while (true)
+    {
+        dOut = 1;
+        fft.Execute(xn, y);
+        dOut = 0;
+        wait_ms(1);
+    }
+}