isClocklessTimingCompatible()

bool fl::can_match_detail::isClocklessTimingCompatible ( const ClocklessTimingCapability & cap, const ChipsetClocklessTiming & chip )

inline

Definition at line 84 of file can_match.cpp.hpp.

                                                         {
    if (cap.isUnspecified()) {
        // Driver doesn't constrain timing — treat as "any chipset fits"
        // (e.g. DMA-fed pattern shifters where any tick width is OK).
        return true;
    }
    if (chip.t0h_window.isUnspecified() && chip.t0l_window.isUnspecified()
        && chip.t1h_window.isUnspecified() && chip.t1l_window.isUnspecified()) {
        return true;
    }
    fl::u16 d_lo = cap.min_divider == 0u ? 1u : cap.min_divider;
    fl::u16 d_hi = cap.max_divider == 0u ? d_lo : cap.max_divider;
    if (d_hi < d_lo) {
        return false;
    }
    for (fl::u32 d = d_lo; d <= d_hi; ++d) {
        if (d == 0u) {
            continue;
        }
        fl::u32 effective_clock = cap.base_clock_hz / static_cast<fl::u32>(d);
        if (effective_clock == 0u) {
            continue;
        }
        if (canHitPhase(effective_clock, cap.max_phase_ticks, chip.t0h_window) &&
            canHitPhase(effective_clock, cap.max_phase_ticks, chip.t0l_window) &&
            canHitPhase(effective_clock, cap.max_phase_ticks, chip.t1h_window) &&
            canHitPhase(effective_clock, cap.max_phase_ticks, chip.t1l_window)) {
            return true;
        }
    }
    return false;
}

References canHitPhase(), and fl::FL_NO_EXCEPT.

Referenced by checkOneGroup().

Here is the call graph for this function:

Here is the caller graph for this function: