EWBM LoRa AT Command Manuale utente

LoRa AT Command Manual

Contents 
eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 2 | 49 
 
CONTENTS 
Contents.............................................................................................................................................................................................. 2 
1. Features...................................................................................................................................................................................... 5 
2. Application Model ...................................................................................................................................................................... 6 
3. Serial Port Setup......................................................................................................................................................................... 6 
4. Command Format....................................................................................................................................................................... 6 
4.1. Formatting Rules For Character String Command..................................................................................................... 6 
4.2. Status Strings Following Command Execution .......................................................................................................... 7 
4.3. Command Attributes ............................................................................................................................................. 7 
5. AT Command Usage Scenario.................................................................................................................................................. 8 
5.1. Initial Join request to Network Server Over the Air Activation (OTAA)....................................................... 8 
5.2. Data transfer during server connection (Upload, download) ........................................................................ 9 
5.3. Entering Sleep Mode and Waking up from Sleep Mode............................................................................. 11 
6. Activation Command ................................................................................................................................................................ 12 
6.1. Command Table....................................................................................................................................................... 12 
6.2. Command Detail...................................................................................................................................................... 12 
 AT+DEVEUI ...................................................................................................................................................... 12 
 AT+APPEUI ...................................................................................................................................................... 13 
 AT+APPKEY...................................................................................................................................................... 13 
 AT+PNM .......................................................................................................................................................... 14 
 AT+NJM ........................................................................................................................................................... 14 
 AT+CLASS......................................................................................................................................................... 16 
 AT+JOIN........................................................................................................................................................... 17 
 AT+NJS............................................................................................................................................................. 17 
 AT+AJOIN......................................................................................................................................................... 17 
 AT+NWKSKEY .................................................................................................................................................. 18 
 AT+APPSKEY .................................................................................................................................................... 18 
 AT+DADDR....................................................................................................................................................... 19 
 AT+NWKID....................................................................................................................................................... 19 
 AT+AINF........................................................................................................................................................... 20 
7. UP/Down Link Command ......................................................................................................................................................... 21 

Contents 
eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 3 | 49 
 
7.1. Command Table....................................................................................................................................................... 21 
7.2. Command Detail...................................................................................................................................................... 21 
 AT+SEND.......................................................................................................................................................... 21 
 AT+SENDB ....................................................................................................................................................... 22 
 AT+RECV.......................................................................................................................................................... 22 
 AT+RECVB........................................................................................................................................................ 23 
 AT+RSSI............................................................................................................................................................ 23 
 AT+SNR............................................................................................................................................................ 24 
8. LoRaMAC Configure Command ................................................................................................................................................ 25 
8.1. Command Table....................................................................................................................................................... 25 
8.2. Command Detail...................................................................................................................................................... 25 
 AT+REGION...................................................................................................................................................... 25 
 AT+ADR ........................................................................................................................................................... 26 
 AT+DR.............................................................................................................................................................. 27 
 AT+RX2FQ........................................................................................................................................................ 28 
 AT+RX2DR ....................................................................................................................................................... 28 
 AT+RX1DL........................................................................................................................................................ 29 
 AT+RX2DL........................................................................................................................................................ 29 
 AT+JN1DL ........................................................................................................................................................ 30 
 AT+JN2DL ........................................................................................................................................................ 30 
 AT+MUFR ........................................................................................................................................................ 31 
 AT+MCFR......................................................................................................................................................... 31 
 AT+TXP ............................................................................................................................................................ 32 
 AT+FCU............................................................................................................................................................ 33 
 AT+FCD............................................................................................................................................................ 33 
 AT+BAT............................................................................................................................................................ 34 
 AT+LCHK.......................................................................................................................................................... 34 
 AT+CRYPTO...................................................................................................................................................... 35 
 AT+CH.............................................................................................................................................................. 35 
9. System Command..................................................................................................................................................................... 37 
9.1. Command Table....................................................................................................................................................... 37 
9.2. Command Detail...................................................................................................................................................... 37 
 AT+RESET......................................................................................................................................................... 37 
 AT+SINF ........................................................................................................................................................... 38 

Contents 
eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 4 | 49 
 
 AT+VER............................................................................................................................................................ 38 
 AT+SAG............................................................................................................................................................ 39 
 AT+CFM........................................................................................................................................................... 39 
 AT+SLEEP......................................................................................................................................................... 40 
 AT+ALARM....................................................................................................................................................... 40 
 AT+TIME .......................................................................................................................................................... 41 
 AT+DATE.......................................................................................................................................................... 42 
 AT+ECHO ......................................................................................................................................................... 42 
 AT+FRESET...................................................................................................................................................... 43 
10. Debug Command ............................................................................................................................................................. 44 
10.1. Command Table....................................................................................................................................................... 44 
10.2. Command Detail...................................................................................................................................................... 44 
 AT+DBG ........................................................................................................................................................... 44 
 AT+TXCW ...................................................................................................................................................... 45 
 AT+RXTT........................................................................................................................................................ 45 
 AT+TXTT .......................................................................................................................................................... 46 
 AT+TSTP........................................................................................................................................................... 46 
 AT+GPIO .......................................................................................................................................................... 47 
Document Revision and Reference................................................................................................................................................... 48 
 

Features

eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 5 | 49

1. FEATURES

⚫Powered by MS500, the eWBM’s Ultra-Low Power Advanced Security MCU

-Cortex M0

-Hardware Security system.

⚫SEMTECH SX1276 radio transceiver supporting LoRa.

-Receiver Sensitivity up to -136 dBm

-Frequency Range: 920 –923 MHz (Korea), 923 (Japan/Asia), 863 –870 MHz (EU), 902 –928 MHz (North

America), 865 –867 MHz (India)

-Up to 14 dBm Output Power

-LoRa Alliance Certified

⚫UART Communication Interface

-AT+Command set support for LoRaWAN

⚫LoRaWAN Certified

-KR920-923 (Korea), AS923 (Japan/Asia), EU863-870 (Europe), US902-928 (US,Canada)

Application Model

eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 6 | 49

2. APPLICATION MODEL

⚫DLS76_01K41

⚫eLR100-US, eLR100-UL

3. SERIAL PORT SETUP

Port Setup Information

Baud Rate

115200

Data

8 bit

Parity

None

Stop

1 bit

Flow Control

None

4. COMMAND FORMAT

4.1. FORMATTING RULES FOR CHARACTER STRING COMMAND

1) Command Line terminates either in <CR> or <LF>.

2) Command Parameter is defined by a Blank Character.

3) Command Parameter is separated by the symbol <,> as described below.

➔CR + LR + ‘<’ + “OK or an error string” + ‘>’ + CR + LR

Command Format

eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 7 | 49

4.2. STATUS STRINGS FOLLOWING COMMAND EXECUTION

⚫All commands return with one of the following four status strings after execution as shown below.

Syntax

Command

<OK>

Command executed successfully

Command failed to execute

“Error Character String”Command failed to execute

Command is Not Found.

4.3. COMMAND ATTRIBUTES

⚫All Commands have one or more of the following attributes.

Syntax

Command

Command to read out data and/or to monitor system status

Command to Write and/or to control system status

Command to store configuration in Flash memory

Reset the module after system control command is executed

Asynchronous Event (for example when data is received)

AT Command Usage Scenario

eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 8 | 49

5. AT COMMAND USAGE SCENARIO

5.1. INITIAL JOIN REQUEST TO NETWORK SERVER OVER THE AIR

ACTIVATION (OTAA)

⚫To be connected to a LoRa network server, the device EUI information of the node device (module) must be

sent to the server company, and in return, the server company must provide Application EUI (AppEUI) and

Application KEY (AppKEY) to each node.

1) Device EUI of the Node can be obtained by using AT+Command (see below), or from module label.

2) Received AppEUI and AppKey are stored in the Node device (Module) by using the following

AT+Command.

3) Execute AT+JOIN command to join the server. The connection status can be checked in the resulting

Log file. It can also be confirmed by running AT+NJS command.

AT+DEVEUI

0000000000000001

<OK>

AT+APPEUI 70b3d57ed0010e4f

<OK>

AT+APPKEY de52ddd16146079649c89a0c1bd9eae5

<OK>

AT+JOIN

Send JOIN_REQ Port 0 Size 0 Adr 1 AdrAckReq 0 Ack 0 Cnt 0

00:00:19.925 TxConfig ch922500000 pwr 14 bw 0 sf7

<OK>

00:00:20.001 TxDone

00:00:24.974 RxConfig ch 922500000 bw 0 sf7

00:00:26.037 RxConfig ch 921900000 bw 0 sf12

00:00:27.072 TxConfig ch 922100000 pwr 14 bw 0 sf7

00:00:27.148 TxDone

00:04:42.642 RxConfig ch922100000 bw 0 sf7

Rx1 JOIN_ACCEPT size 33 rssi -88 snr 24 Rx1DrOffset 0 RxDelay1 1000 Rx2Dr 0

[EVENT] JOINED <- An Event Message is generated when the server connection is completed.

AT+NJS <- To monitor the Join status to the server

1<- (0: not connected, 1: connected)

<OK>

AT Command Usage Scenario

eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 9 | 49

4) AT+command, as shown below, is used to setup mode automatically during the boot mode of the

module.

5.2. DATA TRANSFER DURING SERVER CONNECTION (UPLOAD,

DOWNLOAD)

1) Uplink : Send Data from the Node to Network server

AT+AJOIN 1<- set “1”

<OK>

AT+RESET <- Reset (Reboot) the Module

Boot by CPU

OTAA

KR920

Boot completed <- Message indicating the Booting is completed

* an Attempt to auto Join as shown below.

Send JOIN_REQ Port 0 Size 0 Adr 1 AdrAckReq 0 Ack 0 Cnt 0

00:07:34.585 TxConfig ch 922500000 pwr 14 bw 0 sf7

00:07:34.660 TxDone

AT+A00:07:39.644 RxConfig ch 922500000 bw 0 sf7

Rx1 JOIN_ACCEPT size 33 rssi -88 snr 26 Rx1DrOffset 0 RxDelay1 1000 Rx2Dr 0

[EVENT] JOINED <- Join is completed

AT+SENDB 2:1100ff <- Send the 3 Byte Hexadecimal [ 11, 00, ff ] data to Port #2

Send UNCONFIRMED_UP Port 2 Size 3 Adr 1 AdrAckReq 0 Ack 0 Cnt 0

00:16:37.677 TxConfig ch 922100000 pwr 14 bw 0 sf12

<OK>

00:16:39.009 TxDone

00:16:40.035 RxConfig ch 922100000 bw 0 sf12

00:16:41.046 RxConfig ch 921900000 bw 0 sf12

AT Command Usage Scenario

eWBM LoRa AT Command Manual for Consumer Products, Rev. 0.6, 02/2021 10 | 49

2) Downlink : Confirming the data sent from a network server to a Node

Under the default Class A, Uplink data must be sent to Server in order to receive data at a Node,

AT+SEND 2:hello -> Send Text Data “hello” to Port #2

Send UNCONFIRMED_UP Port 2 Size 5 Adr 1 AdrAckReq 0 Ack 0 Cnt 1

00:18:36.373 TxConfig ch 923100000 pwr 14 bw 0 sf12

<OK>

00:18:37.705 TxDone

00:18:38.720 RxConfig ch 923100000 bw 0 sf12

00:18:39.732 RxConfig ch 921900000 bw 0 sf12

Rx2 UNCONFIRMED_DOWN size 16 rssi -91 snr 29 Adr 0 AdrAckReq 0 Ack 0 Cnt 0

[EVENT] RECVB 1:aabbff <- Received the 3 Byte Hexadecimal data [ aa,bb,ff] from server to Port #1

AT+RECVB <- To confirm the received downlink data

1:aabbff

<OK>

AT+RECVB <- Once confirmed, the received data is removed. Thus, no output.

<OK>

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