Function DevicePingSlotFrequency

pkg/networkserver/mac/utils.go:188–200

DevicePingSlotFrequency computes the frequency of the ping slot at time pingAt. If no frequency is found, this function returns 0.

(dev *ttnpb.EndDevice, phy *band.Band, pingAt time.Time)

// DevicePingSlotFrequency computes the frequency of the ping slot at time pingAt.
// If no frequency is found, this function returns 0.
func DevicePingSlotFrequency(dev *ttnpb.EndDevice, phy *band.Band, pingAt time.Time) uint64 {
	switch {
	case dev.GetMacState().GetCurrentParameters().GetPingSlotFrequency() != 0:
		return dev.MacState.CurrentParameters.PingSlotFrequency
	case len(phy.PingSlotFrequencies) > 0:
		devAddr := types.MustDevAddr(dev.GetSession().GetDevAddr()).OrZero().MarshalNumber()
		return band.ComputePeriodicFrequency(
			beaconTimeBefore(pingAt), BeaconPeriod, devAddr, phy.PingSlotFrequencies...,
		)
	default:
		return 0
	}
}

// DeviceResetsFCnt returns whether the device resets frame counters on re-join.
func DeviceResetsFCnt(