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How do I profile the power consumption of the camera sensor in deep sleep mode?

jh3t
Prodigy 170 points
Other Parts Discussed in Thread: CC3200

Hi has anyone tried to profile the power consumption of the camera with cc3200? I have my camera module setup as in . But it seems like it's running out of power on 2XAA batteries in less than 24 hours with NWP active.

  • 0
    TI__Genius 16370 points
    It really depends on the use-case. What's your use-case? When do you make CC3200 and camera-sensor enter low-power state? Is the device connected to the access-point all the time? How frequently does it wake up? How much data it transmits/receives on waking up? What else does it do on waking up? What's the contribution of the camera-sensor to the current numbers?

    I'd surely want to understand as to how you're profiling? Did you pickup the SDK's camera application to start with? And if yes, have you made the required changes to put the device and camera-sensor in low power state whenever possible?

    -/Praneet
  • 0 in reply to Praneet Kumar
    Prodigy 170 points

    Hi, the CC3200 and camera-sensor will stay connected to AP all the time because it should be waken up by TCP network from deepsleep. Whenever I send a message to CC3200 via TCP with my TCP client, the camera will wake up from low-power state, and capture a photo, then transmit it back to the TCP client, then back to low-power deepsleep mode. I haven't able to profile the contribution of the camera-sensor current yet.

    I profile it through ammeter. Yes,  I use the code from SDK's camera application and deepsleep_nw (and now trying with idle profile as well). Yes, I made the changes to make the camera work (on only when it receives message from TCP client.

  • 0 in reply to jh3t
    TI__Genius 16370 points
    Apologies for the delayed response.

    I didn't profile it myself but we can surely analyse it theoretically - Couple of more questions:
    - How frequently is you client sending the capture requests?
    - What's the image resolution?

    -/Praneet
  • 0 in reply to Praneet Kumar
    TI__Genius 16370 points
    I'm closing this thread - For any additional queries, request you to start a new thread w/ references to the current one for us to track it better.

    -/Praneet