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float fir_coeff[72] = {
0.000709, 0.000686, 0.000440, -0.000018,
-0.000618, -0.001198, -0.001520, -0.001332,
-0.000493, 0.000909, 0.002494, 0.003648,
0.003711, 0.002258, -0.000630, -0.004235,
-0.007308, -0.008433, -0.006559, -0.001538,
0.005567, 0.012568, 0.016708, 0.015557,
0.008024, -0.004897, -0.019931, -0.032062,
-0.035748, -0.026514, -0.002471, 0.034724,
0.079822, 0.124956, 0.161417, 0.181779,
0.181779, 0.161417, 0.124956, 0.079822,
0.034724, -0.002471, -0.026514, -0.035748,
-0.032062, -0.019931, -0.004897, 0.008024,
0.015557, 0.016708, 0.012568, 0.005567,
-0.001538, -0.006559, -0.008433, -0.007308,
-0.004235, -0.000630, 0.002258, 0.003711,
0.003648, 0.002494, 0.000909, -0.000493,
-0.001332, -0.001520, -0.001198, -0.000618,
-0.000018, 0.000440, 0.000686, 0.000709
};
#include <stdio.h>
#define UPSAMP 3
#define FILTLEN (sizeof(fir_coeff)/sizeof(fir_coeff[0])/UPSAMP)
void main(void)
{
const float *f;
int i, j;
printf("#define FILTLEN %d\n"
"#define UPSAMP %d\n"
"static const float inp_filt[%d][%d] = {\n\t", FILTLEN, UPSAMP, UPSAMP, FILTLEN);
for (i = 0; i < UPSAMP; i++) {
printf("{");
for (j = 0, f = fir_coeff+i; j < FILTLEN; j++, f += UPSAMP)
printf("%10f%s", *f, (j < FILTLEN-1) ? (((j & 3) == 3) ? ",\n\t " : ",") : "");
printf("}%s", (i < UPSAMP-1) ? ",\n\t" : "");
}
printf("\n};\n\n");
exit(0);
}
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