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as_923_rp2_v1_0_1.go
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as_923_rp2_v1_0_1.go
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// Copyright © 2021 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package band
import (
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
)
var (
// AS_923_RP2_v1_0_1 is the band definition for AS923 Group 1 in the RP002-1.0.1 specification.
AS_923_RP2_v1_0_1 = as923RP2101Band(AS_923, as923Group1Offset)
// AS_923_2_RP2_v1_0_1 is the band definition for AS923 Group 2 in the RP002-1.0.1 specification.
AS_923_2_RP2_v1_0_1 = as923RP2101Band(AS_923_2, as923Group2Offset)
// AS_923_3_RP2_v1_0_1 is the band definition for AS923 Group 3 in the RP002-1.0.1 specification.
AS_923_3_RP2_v1_0_1 = as923RP2101Band(AS_923_3, as923Group3Offset)
)
var as923RP2101Band = func(id string, offset as923GroupOffset) Band {
return Band{
ID: id,
SupportsDynamicADR: true,
MaxUplinkChannels: 16,
UplinkChannels: as923DefaultChannels(offset),
MaxDownlinkChannels: 16,
DownlinkChannels: as923DefaultChannels(offset),
SubBands: as923SubBandParameters(offset),
DataRates: map[ttnpb.DataRateIndex]DataRate{
ttnpb.DataRateIndex_DATA_RATE_0: makeLoRaDataRate(
12, 125000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(59, 0),
),
ttnpb.DataRateIndex_DATA_RATE_1: makeLoRaDataRate(
11, 125000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(59, 0),
),
ttnpb.DataRateIndex_DATA_RATE_2: makeLoRaDataRate(
10, 125000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(123, 19),
),
ttnpb.DataRateIndex_DATA_RATE_3: makeLoRaDataRate(
9, 125000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(123, 61),
),
ttnpb.DataRateIndex_DATA_RATE_4: makeLoRaDataRate(
8, 125000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(250, 133),
),
ttnpb.DataRateIndex_DATA_RATE_5: makeLoRaDataRate(
7, 125000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(250, 250),
),
ttnpb.DataRateIndex_DATA_RATE_6: makeLoRaDataRate(
7, 250000, Cr4_5, makeDwellTimeMaxMACPayloadSizeFunc(250, 250),
),
ttnpb.DataRateIndex_DATA_RATE_7: makeFSKDataRate(50000, makeDwellTimeMaxMACPayloadSizeFunc(250, 250)),
},
MaxADRDataRateIndex: ttnpb.DataRateIndex_DATA_RATE_5,
StrictCodingRate: true,
DefaultMaxEIRP: 16,
TxOffset: []float32{
0,
-2,
-4,
-6,
-8,
-10,
-12,
-14,
},
FreqMultiplier: 100,
ImplementsCFList: true,
CFListType: ttnpb.CFListType_FREQUENCIES,
Rx1Channel: channelIndexIdentity,
Rx1DataRate: func(idx ttnpb.DataRateIndex, offset ttnpb.DataRateOffset, dwellTime bool) (ttnpb.DataRateIndex, error) {
so := int8(offset)
if so > 5 {
so = 5 - so
}
si := int8(idx) - so
minDR := ttnpb.DataRateIndex_DATA_RATE_0
if dwellTime {
minDR = ttnpb.DataRateIndex_DATA_RATE_2
}
switch {
case si <= int8(minDR):
return minDR, nil
case si >= 7:
return ttnpb.DataRateIndex_DATA_RATE_7, nil
}
return ttnpb.DataRateIndex(si), nil
},
GenerateChMasks: generateChMask16,
ParseChMask: parseChMask16,
DefaultRx2Parameters: Rx2Parameters{
DataRateIndex: ttnpb.DataRateIndex_DATA_RATE_2,
Frequency: as923DefaultRX2Frequency(offset),
},
Beacon: Beacon{
DataRateIndex: ttnpb.DataRateIndex_DATA_RATE_3,
CodingRate: Cr4_5,
Frequencies: as923BeaconFrequencies(offset),
},
PingSlotFrequencies: as923BeaconFrequencies(offset),
TxParamSetupReqSupport: true,
// Based on LoRaMac-node 4.6.0.
// https://github.com/Lora-net/LoRaMac-node/blob/fe8247e2b84101fe701531a5f9ef14f035743af4/src/mac/region/RegionAS923.h#L161-L164
// https://github.com/Lora-net/LoRaMac-node/blob/fe8247e2b84101fe701531a5f9ef14f035743af4/src/mac/region/RegionCommon.h#L97-L100
BootDwellTime: DwellTime{
Uplinks: boolPtr(true),
Downlinks: boolPtr(false),
},
SharedParameters: universalSharedParameters,
}
}