Method SetMappedFanSpeed

src/GCodes/GCodes.cpp:4119–4131

Set the speeds of fans mapped for the current tool to lastDefaultFanSpeed. gbp is nullptr when called from the Display subsystem.

// Set the speeds of fans mapped for the current tool to lastDefaultFanSpeed.
// gbp is nullptr when called from the Display subsystem.
void GCodes::SetMappedFanSpeed(const GCodeBuffer *null gbp, float f) noexcept
{
	MovementState& ms = (gbp == nullptr) ? moveStates[0] : GetMovementState(*gbp);
	ms.virtualFanSpeed = f;
	if (ms.currentTool == nullptr)
	{
		reprap.GetFansManager().SetFanValue(0, f);
	}
	else
	{
		ms.currentTool->SetFansPwm(f);
	}
}

// Handle sending a reply back to the appropriate interface(s) and update lastResult
// Note that 'reply' may be empty. If it isn't, then we need to append newline when sending it.