ex_dsqfirup.c

/* 
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*/

#include "examples_doc_sq.h"
#include "dsp.h"

#define VLENGTH  3
#define NUM_TAPS 4
#define MR       2

int main(void)
{
    ippsq_status status;
    ippsq_fir_interpolate_instance_q15 S;
    q15_t src[VLENGTH] = { 10000, 100, -5000 };
    q15_t taps[NUM_TAPS] = { 1000, 2, -7000, 3050 };
    q15_t dlyLine[VLENGTH + NUM_TAPS / MR - 1] = { 0 };
    q15_t dst[VLENGTH * MR];

    printf_v16s("src =\n", " %d", src, VLENGTH);

    CHECK_STS( status = ippsq_fir_interpolate_init_q15(&S, MR, NUM_TAPS, taps, dlyLine, VLENGTH) )
    printf_v16s("dlyLine =\n", " %d", S.pState, VLENGTH + S.phaseLength - 1);
    printf_v16s("taps =\n", " %d", S.pCoeffs, S.phaseLength * S.L);
    QM_PRINTF("upsampling factor = %d\n", S.L);
    QM_PRINTF("phase length = %d\n", S.phaseLength);

    ippsq_fir_interpolate_q15(&S, src, dst, VLENGTH);

    printf_v16s("dst =\n", " %d", dst, VLENGTH * S.L);
    printf_v16s("dlyLine =\n", " %d", S.pState, VLENGTH + S.phaseLength - 1);

EXIT_MAIN
    CONTROL_RETURN;
}
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