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DCA1000EVM: How to get a response from the DCA1000EVM when "triggering frames"

Kukhokuhle Tsengwa
Prodigy 140 points
Part Number: DCA1000EVM
Other Parts Discussed in Thread: IWR6843ISK

Hi all

I am using the DCA1000EVM and the IWR6843ISK. When I press the 'arm' button in mmWave Studio, I am able to get a response from the DCA1000EVM.

I get this response in Python by binding a UDP socket to the IP Address 192.168.33.30 and Port 4096 (configuration port).However, I am interested in getting a response when I press "trigger frames" instead of "arm".

1. May someone please help me achieve this?

2. Additionally, why is the RECORD_START_CMD_CODE command sent when I "arm"? I would expect it to be sent when I "trigger frames".

  • 0
    TI__Mastermind 31680 points

    Hello Tsengwa-San, 

    DCA1000 ARM is kind of a notification to the DCA1000 in order to prepare it for the upcoming frame data that it has to record. As soon as DCA1000 acknowledges that, it waits for the data from the mmWave sensor. 

    "Trigger frames" is basically a notification to the mmwave Sensor to start the frame transmission and send the data out on LVDS lanes. 

    The DCA1000 has a timeout period of 10s which means if it doesn't see/receive any activity on the LVDS within this time of pressing the DCA1000 ARM button, it will give out a Timeout error. 

    I hope this helps helps. 

    Regards,

    Ishita