X-Git-Url: http://sraa.de/git/?a=blobdiff_plain;f=aesa%2Fsrc%2FFFT_Radix2_DIF.h;fp=aesa%2Fsrc%2FFFT_Radix2_DIF.h;h=6a99b0d99c888e5a7cf03702c107fb5ff75cb343;hb=3e585a14456b930a77ea0ac81bed4c69a4a032ac;hp=0000000000000000000000000000000000000000;hpb=2bc58585fc542a6e5819eeecaee1f4820185149f;p=jump.git

diff --git a/aesa/src/FFT_Radix2_DIF.h b/aesa/src/FFT_Radix2_DIF.h
new file mode 100644
index 0000000..6a99b0d
--- /dev/null
+++ b/aesa/src/FFT_Radix2_DIF.h
@@ -0,0 +1,37 @@
+#ifndef FFT_RADIX2_DIF_H
+#define FFT_RADIX2_DIF_H
+
+#include <stdlib.h>
+#include <math.h>
+#include <dol.h>
+#include "global.h"
+
+#define NOF_FFT_PER_RANGE_BIN NUMBER_OF_PULSES/NFFT
+#define NOF_FFT_BATCHES NOF_FFT_PER_RANGE_BIN//*NUMBER_OF_RANGE_BINS
+#define PI 3.14159265359
+#define MAX_POW 10		// Maximum 1024 point FFT 
+
+#define PORT_DATA_IN "data_input"
+#define PORT_DATA_OUT "data_output"
+
+typedef struct _local_states
+{
+	// These are not needed anymore, since we are reading a vector, we don't have to save the values for till next firing.
+    // ComplexNumber Samples_Inp[NFFT];
+	// ComplexNumber Samples_Out[NFFT];
+	// int sample_counter;
+	int n_ffts;
+	int n_fft_batches;
+	int n_iterations;
+  int pow_2[MAX_POW];
+
+	int excount;
+  
+} FFT_Radix2_DIF_State;
+
+void FFT_Radix2_DIF_init(DOLProcess * p);
+int FFT_Radix2_DIF_fire(DOLProcess * p);
+void Bit_Reverse_Reorder(ComplexNumber * input, ComplexNumber * output, int N, DOLProcess * p);
+void FFT_Radix2(ComplexNumber * data, int N);
+
+#endif