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DCA1000EVM: Cannot collect data on Ubuntu 20.04 with CLI

Part Number: DCA1000EVM
Other Parts Discussed in Thread: IWR6843ISK

Tool/software:

Hi, I am trying to use DCA1000EVM + IWR6843ISK to collect data. It works well on 1. windows mmwave studio and 2. windows CLI, but fails on ubuntu 20.04.

When I input "./DCA1000EVM_CLI_Control fpga 6843_DCA.json", the error reported is ConfigureRFDCard_Fpga(): UDP recvfrom failed: 11 FPGA Configuration : OS error - -2

Check List:

1. Network: ethernet is correctly linked to the Ubuntu (192.168.33.30), no firewall and the ports (4096 and 4098) are not occupied.

2. Fpga frimware: according to mmwave studio on windows, its version is 2.9.

3. Serials: there are two seriel devices when I use "lsusb" on ubuntu, they are "ID 0451:fd03 Texas Instruments, Inc." and "10c4:ea70 silicon Labs CP2105 Dual UART Bridge". Their name is '/dev/ttyUSB0' and '/dev/ttyUSB1'.

4. Code: I have tried the prebuilt binary in "ti/mmwave_studio_02_01_01_01/mmWaveStudio/ReferenceCode/DCA1000/SourceCode/" (I copy it from windows to linux) or rebuilt it (delete Release folder and make). No one worked.

5. Hardware status: (I think it is correct because it works well on windows) as the following figure: