【IOT】LoRaWAN报文
其他
2020-01-14 11:24:06
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Preamble |
PHDR |
PHDR_CRC |
PHYPayload |
CRC* |
|
|
|
|
|
MHDR |
MACPayload |
MIC |
1B |
|
4B |
Mtype |
RFU |
Major |
AppEUI |
DevEUI |
DevNonce |
3b |
3b |
2b |
8B |
8B |
2B |
Join Accept (MType = 1) |
Preamble |
PHDR |
PHDR_CRC |
PHYPayload |
CRC* |
|
|
|
|
|
MHDR |
MACPayload |
MIC |
1B |
|
4B |
Mtype |
RFU |
Major |
AppNonce |
NetID |
DevAddr |
DLSettings |
RxDelay |
CFList |
3b |
3b |
2b |
3B |
3B |
4B |
1B |
1B |
16B(变长) |
入网成功后协议格式( 9 > MType > 1) |
Preamble |
PHDR |
PHDR_CRC |
PHYPayload |
CRC* |
|
|
|
|
|
MHDR |
MACPayload |
MIC |
1B |
|
4B |
Mtype |
RFU |
Major |
FHDR |
Fport |
FRMPayload |
7~23B |
3b |
3b |
2b |
DevAddr |
FCtrl |
FCnt |
Fopts |
0~1B |
0~N B |
4B |
1B |
2B |
0~15B |
ADR |
ADRACKReq |
ACK |
Fpending/RFU |
FOptsLen |
7th b |
6th b |
5th b |
4th b |
3~0th b |
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转载自blog.csdn.net/wangbotao1990/article/details/102905404