fix interfaccia

tools/test_firgen.c

@@ -0,0 +1,37 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "FIRFilterCode.h"
+// #include "FFTCode.h"
+#define NUMTAPS 128
+uint16_t size, i;
+
+#define q31_float_to_int(x) ( (int32_t) ( (double)(x)*(double)0x7FFFFFFF ) )
+#define DAC_SAMPLE_RATE 21875
+
+uint32_t centerfreq;
+uint32_t bw;
+
+int main(void){
+        double FirCoeff[NUMTAPS + 1];
+//        buff[0] = '\0';
+	centerfreq = 1500;
+	bw = 500;
+	double normalized_center_freq, normalized_bw;
+	
+        normalized_center_freq = (double)(centerfreq*2)/DAC_SAMPLE_RATE;
+        normalized_bw = (double)(bw*2)/DAC_SAMPLE_RATE;
+
+	TWindowType WindowType;
+	RectWinFIR(FirCoeff, NUMTAPS, firBPF, normalized_center_freq, normalized_bw);
+	printf("freq %f, bw %f", normalized_center_freq, normalized_bw);
+        FIRFilterWindow(FirCoeff, NUMTAPS, wtKAISER, 3.2);
+        printf("coeff = [");
+	for( int index = 0; index < NUMTAPS; index++){
+//        	printf("%d, ", q31_float_to_int(FirCoeff[index]));
+        	printf("%f, ", FirCoeff[index]);
+        }
+        printf("]");
+
+}