The function is declared in the $(PL_SRC_REPO)/fft_2d.h
file, and is defined in $(PL_SRC_REPO)/fft_2d.cpp
as follows:
void fft_2d(
hls::stream<qdma_axis<128, 0, 0, 0>> &strmFFTrows_inp,
hls::stream<qdma_axis<128, 0, 0, 0>> &strmFFTrows_out,
hls::stream<qdma_axis<128, 0, 0, 0>> &strmFFTcols_inp,
hls::stream<qdma_axis<128, 0, 0, 0>> &strmFFTcols_out,
uint32_t iterCnt
)
{
#pragma HLS interface axis port=strmFFTrows_inp
#pragma HLS interface axis port=strmFFTrows_out
#pragma HLS interface axis port=strmFFTcols_inp
#pragma HLS interface axis port=strmFFTcols_out
#pragma HLS INTERFACE s_axilite port=iterCnt bundle=control
#pragma HLS INTERFACE s_axilite port=return bundle=control
#pragma HLS DATAFLOW
ITER_LOOP_FFT_ROWS:for(int i = 0; i < iterCnt; ++i) {
#pragma HLS loop_tripcount min=1 max=8
//#pragma HLS DATAFLOW
fft_rows(strmFFTrows_inp, strmFFTrows_out);
}
ITER_LOOP_FFT_COLS:for(int i = 0; i < iterCnt; ++i) {
#pragma HLS loop_tripcount min=1 max=8
//#pragma HLS DATAFLOW
fft_cols(strmFFTcols_inp, strmFFTcols_out);
}
}