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TIDA-01632: RTLS Node Manager can not find master and passive node

Part Number: TIDA-01632
Other Parts Discussed in Thread: CC2640

I am trying to use 3 TIDA-01632 borads to build a RTLS system refer to this document:

http://dev.ti.com/tirex/explore/node?node=AKBtFOm6vGAOwDl4OxS.jQ__krol.2c__LATEST

 

The 3 boards were flashed rtls_master / rtls_slave / rtls_passive project in simplelink_cc2640r2_sdk_3_30_00_20, then rtls_master and rtls_passive were connected to PC with UART to USB cable.

 

But when I ran rtls_agent_cli.exe in rtls_agent on my PC, both of the COM ports shows "NoRsp". The example RTLS python script "rtls_example_with_rtls_util.py" can not find the master and passive node either and show "No one of the nodes identified as RTLS MASTER".

 

Could you help to give some advice to debug this problem? Thanks.

 

BRs