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CC2640: Stream ADC samples over BLE?

Markel Robregado
Guru 86755 points
Part Number: CC2640

Tool/software:

Hi,

I have a project requirements below.

  • Collect for 1 second 1,000 samples from 4 ADC channels, (so in total 4000 samples) and then stream the data using BLE.

I would like to know if this is doable. The problem is where to store 4000 ADC samples before streaming the data using BLE. I can only store this at CC2640 RAM which is only 4KB. Most of the CC2640 RAM space is used by the program.

-kel

  • +1
    TI__Mastermind 42100 points

    Hi Kel,

    Thanks for reaching out. The feasibility will depend on how much RAM you have available in your application. It sounds like if you do not have much so it may be difficult. You may able to compress the data in order to get it to fit or maybe leverage the non-volatile storage to store and retrieve the data as needed.

    Best Regards,

    Jan