不韋 呂
Measurement of execution time of FFT ising library "UIT_FFT_Real"
Dependencies: UIT_FFT_Real mbed
Revision 0:6e3051283dd7, committed 2016-01-17
- Comitter:
- MikamiUitOpen
- Date:
- Sun Jan 17 05:45:20 2016 +0000
- Commit message:
- 1
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/UIT_FFT_Real.lib Sun Jan 17 05:45:20 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/MikamiUitOpen/code/UIT_FFT_Real/#9649d0e2bb4a
--- /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);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Jan 17 05:45:20 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6f327212ef96 \ No newline at end of file