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Last modified by Xiaoling on 2023/12/27 09:15
From version 131.1
edited by Bei Jinggeng
on 2022/11/18 11:27
Change comment: There is no comment for this version
To version 133.1
edited by Edwin Chen
on 2022/11/21 10:00
Change comment: There is no comment for this version

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Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
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1193 1193  
1194 1194  == 7.4 How to modify source code to compile different frequency band bin file? ==
1195 1195  
1196 +
1197 +(% class="box infomessage" %)
1198 +(((
1199 +Important: Developer should follow the Arduino Environment Instruction exactly include change the SPI pin mappings.
1200 +See : [[Set Up Arduino Compile Environment for TrackerD. >>||anchor="H6.1.1SetupARDUINOcompileenvironment"]]
1201 +
1202 +)))
1203 +
1196 1196  1.When compiling the frequency band, you need to find LMIC_PROJECT_CONFIG.H file.
1197 1197  
1198 1198  [[image:image-20221116111844-1.png||height="227" width="782"]]
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1256 1256  1） Make Sure the device is in Open Area where can see the sky. 
1257 1257  2)  Set PDOP to a higher value.
1258 1258  
1267 + AT+PDOP=2(can be positioned precisely.）
1268 +
1269 + AT+PDOP=7(Quickly locate in open spaces）
1270 +
1271 + AT+PDOP=14.7(Positioning can be acquired in complex environments）
1272 +
1259 1259  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
1260 1260  )))
1261 1261