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Last modified by Xiaoling on 2025/04/23 15:57
From version 34.1
edited by Xiaoling
on 2022/06/02 10:10
Change comment: Uploaded new attachment "1654135840598-282.png", version {1}
To version 38.1
edited by Xiaoling
on 2022/06/02 10:26
Change comment: Uploaded new attachment "image-20220602102605-1.png", version {1}

Summary

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... ... @@ -1164,7 +1164,6 @@
1164 1164  User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1165 1165  
1166 1166  
1167 -
1168 1168  = 5. Use AT Command =
1169 1169  
1170 1170  == 5.1 Access AT Command ==
... ... @@ -1171,75 +1171,90 @@
1171 1171  
1172 1172  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1173 1173  
1174 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1173 +[[image:1654135840598-282.png]]
1175 1175  
1176 1176  
1177 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1176 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1178 1178  
1179 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1178 +[[image:1654136105500-922.png]]
1180 1180  
1181 1181  
1181 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1182 1182  
1183 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1184 1184  
1184 +== 5.2 Common AT Command Sequence ==
1185 1185  
1186 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1186 1186  
1187 -1.
1188 -11. Common AT Command Sequence
1189 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1190 -
1191 1191  If device has not joined network yet:
1192 1192  
1193 -AT+FDR
1190 +(% class="box infomessage" %)
1191 +(((
1192 +**AT+FDR**
1193 +)))
1194 1194  
1195 -AT+NJM=0
1195 +(% class="box infomessage" %)
1196 +(((
1197 +**AT+NJM=0**
1198 +)))
1196 1196  
1197 -ATZ
1200 +(% class="box infomessage" %)
1201 +(((
1202 +**ATZ**
1203 +)))
1198 1198  
1199 1199  
1200 1200  If device already joined network:
1201 1201  
1202 -AT+NJM=0
1208 +(% class="box infomessage" %)
1209 +(((
1210 +**AT+NJM=0**
1211 +)))
1203 1203  
1204 -ATZ
1213 +(% class="box infomessage" %)
1214 +(((
1215 +**ATZ**
1216 +)))
1205 1205  
1206 -1.
1207 -11.
1208 -111. Single-channel ABP mode (Use with LG01/LG02)
1209 1209  
1210 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1219 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1211 1211  
1212 -AT+NJM=0 Set to ABP mode
1213 1213  
1214 -AT+ADR=0 Set the Adaptive Data Rate Off
1222 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1215 1215  
1216 -AT+DR=5  Set Data Rate
1224 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1217 1217  
1218 -AT+TDC=60000  Set transmit interval to 60 seconds
1226 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1219 1219  
1220 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1228 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1221 1221  
1222 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1230 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1223 1223  
1224 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1232 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1225 1225  
1226 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1234 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1227 1227  
1228 -ATZ          Reset MCU
1236 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1229 1229  
1230 -**Note:**
1238 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1231 1231  
1232 -1. Make sure the device is set to ABP mode in the IoT Server.
1233 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1234 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1235 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1240 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1236 1236  
1237 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1238 1238  
1243 +(% style="color:red" %)**Note:**
1239 1239  
1240 -1. FAQ
1241 -11. How to upgrade the image?
1245 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1246 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1247 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1248 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1242 1242  
1250 +[[image:1654136435598-589.png]]
1251 +
1252 +
1253 += 6. FAQ =
1254 +
1255 +== 6.1 How to upgrade the image? ==
1256 +
1243 1243  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1244 1244  
1245 1245  * Support new features
... ... @@ -1248,7 +1248,7 @@
1248 1248  
1249 1249  Below shows the hardware connection for how to upload an image to RS485-BL:
1250 1250  
1251 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1265 +[[image:1654136646995-976.png]]
1252 1252  
1253 1253  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1254 1254  
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