Instantiate DSPLib FIR Filters - Instantiate DSPLib FIR Filters - 2025.2 English - XD100

Vitis Tutorials: AI Engine Development (XD100)

Document ID
XD100
Release Date
2026-03-27
Version
2025.2 English

Instantiate the DSPLib symmetric FIR filter kernels using the following array declaration. In C++, each array element requires its own template parameters, even when identical:

        FirGraph():  FIR_ARRAY {
                dsplib::fir::sr_sym::fir_sr_sym_graph<T_DATA, T_COEF, N_FIR_TAPS, FIR_DOWNSHIFT, FIR_ROUND_MODE, FIR_WINDOW_SIZE, N_AIES_PER_FIR> (FIR_TAP_COEFS)
#if (N_FIR_FILTERS >= 2)
                , dsplib::fir::sr_sym::fir_sr_sym_graph<T_DATA, T_COEF, N_FIR_TAPS, FIR_DOWNSHIFT, FIR_ROUND_MODE, FIR_WINDOW_SIZE, N_AIES_PER_FIR> (FIR_TAP_COEFS)
#endif
#if (N_FIR_FILTERS >= 3)
                , dsplib::fir::sr_sym::fir_sr_sym_graph<T_DATA, T_COEF, N_FIR_TAPS, FIR_DOWNSHIFT, FIR_ROUND_MODE, FIR_WINDOW_SIZE, N_AIES_PER_FIR> (FIR_TAP_COEFS)
#endif
<... etc>