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Last modified by Xiaoling on 2023/12/27 09:15
From version 123.1
edited by Edwin Chen
on 2022/11/16 15:30
Change comment: There is no comment for this version
To version 115.1
edited by Bei Jinggeng
on 2022/11/15 14:38
Change comment: There is no comment for this version

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1187 1187  [[image:image-20221102140801-6.png]]
1188 1188  
1189 1189  
1190 -== 7.4 How to modify source code to compile different frequency band bin file? ==
1191 1191  
1192 -1.When compiling the frequency band, you need to find LMIC_PROJECT_CONFIG.H file.
1193 -
1194 -[[image:image-20221116111844-1.png||height="227" width="782"]]
1195 -
1196 -2.Open LMIC_PROJECT_CONFIG.H, find the corresponding macro definition and open it(AS923_2,AS923_3,AS923_4 except).
1197 -
1198 -[[image:image-20221116111844-2.png||height="262" width="781"]]
1199 -
1200 -3.Compile the AS923_JP band, please refer to the intention shown
1201 -
1202 -[[image:image-20221116111844-3.png||height="338" width="746"]]
1203 -
1204 -4.In other frequency bands in AS923, you need to find Lorabase_as923.H, path arduino-lmic \ src \ lmic, as shown in the figure below.
1205 -
1206 -[[image:image-20221116111844-4.png||height="641" width="739"]]
1207 -
1208 -[[image:image-20221116111844-5.png||height="551" width="708"]]
1209 -
1210 -
1211 -
1212 1212  = 8  Trouble Shooting =
1213 1213  
1214 1214  
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1246 1246  It is because the partitions are different when upgrading versions above 1.4.1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.
1247 1247  
1248 1248  
1249 -(((
1250 -== 8.5 How to deal with unsuccessful GPS positioning? ==
1251 -
1252 -1） Make Sure the device is in Open Area where can see the sky. 
1253 -2)  Set PDOP to a higher value.
1254 -
1255 -Please refer to this [[link>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TrackerD/#H3.2.9SetPDOPvalueforGPSfixaccuracy]] on how to set up PDOP
1256 -)))
1257 -
1258 -
1259 -== 8.6 When positioning, it will restart or the PDOP setting is unsuccessful ==
1260 -
1261 -Please download version 1.4.2 again
1262 -
1263 -
1264 1264  = 9.  Order Info =
1265 1265  
1266 1266  
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