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CC2650 coordinator setup

Justin Pflug
Intellectual 270 points

Other Parts Discussed in Thread: CC2650STK, CC2650

Hi everyone,

I apologize for the question, I am new to this and I am sure it is pretty trivial.

I am designing and building a precision agriculture system for a senior project using two CC2650STK+CC-DEVPACK+Grove modules as the nodes. Due to the location, I will need to setup a coordinator that will be able to pull data from these nodes, send it to a computer nearby and with a response from Sensor Controller Studio, activate solenoid drivers to allow automated irrigation. I am communicating via BLE.

My question regards what would be best suited for the coordinator. It seems like a CC2650DK would be excessive and I was wondering if I would be able to just use a single SmartRF06 evaluation board with the CC2650 Evaluation module kit. Would the evaluation module kit also be suitable for communication from the two nodes to the board and from the board to the solenoid drivers? Would I then have to communicate to a computer with a Bluetooth dongle?

Like I mentioned before, I am sure this is pretty simple but something that I haven't been able to find a suitable answer on.

Thanks,

Justin P.

  • 0
    TI__Mastermind 33460 points
    Hi Justin,

    It sounds like what you're looking for is a BLE central device that your two peripheral STK nodes can connect to and share data with. The central role can be implemented on any of our platforms. Choosing a dev kit is more based on what kinda of IO capabilities and peripherals you need.

    From the sounds of it you might be able to use another sensortag. Otherwise maybe our 7x7EM alone with a EM adapter boosterpack(www.ti.com/.../boost-ccemadapter)

    Does this make sense that a central role is not tied to a hardware platform. You I/O needs will help you decide the platform. You can determine what I/Os are available by looking at the schematics for each which are published freely.
  • 0 in reply to Sean2
    Intellectual 270 points
    Thanks Sean,

    I think that 7x7EM with the EM adapter boosterpack might be a good fit. However, I noticed that it is on the user to write the code. Since the data is still coming from the EM would I still be able to use the sensor controller studio?

    Justin P.
  • 0 in reply to Justin Pflug
    TI__Mastermind 33460 points
    Justin,

    Sensor controller studio would need a UART to USB bridge which neither the EM or the booster pack has (this device transforms USB voltages into UART voltages that the cc26xx can read). You have a couple options: design and build a board with this hardware or use one that already has it.

    As far as being on the user to write software, we have a lots of sample applications within our SDK. For a central device check out simpleBLE central.
  • 0 in reply to Sean2
    Intellectual 270 points
    Sean,

    I'll look into this. Thanks for the help!

    Justin P.
  • 0 in reply to Justin Pflug
    TI__Mastermind 33460 points
    You're welcome. One last thing, if you are new to bluetooth, take a look at this: software-dl.ti.com/.../overview.html to get you started with BLE as it pertains to our systems. Good luck!