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Original question:

LAUNCHXL-CC2640R2: BLE-Stack - Pre-built hexfiles for the SNP

LAUNCHXL-CC2640R2: stop using the USB cable and start using the Bluetooh for comunicating with my devices

Ruben Garcia74
Prodigy 120 points
Part Number: LAUNCHXL-CC2640R2
Other Parts Discussed in Thread: CC2640R2F, CC2640,

Hello every one, 

I got the CC2640R2 LaunchPad to know if I can add the IC CC2640R2F to my projects. My goal here is stop using the USB cable and start using the Bluetooh for comunicating with my devices.

What I need is to have a new COM Port in my PC when the device is paired with. Now, my windows PC can detect the CC2640R2 LaunchPad and pair it. Also, the CC2640R2F is set as a generic access service (GATT Services). And I am blocked in this point because I can't create a new COM port.

It's my first time using bluetooth so please correct me if I am wrong.

Thank you in advance.

I am not sure what to do or learn.

My main computer 

 The point is that I just want to use the IC as Simple Networ Processor unit and comunicate to it using the UART, so that I just loaded the prebuit hex files for the SNP. My problem is that  there are four diferent images to this and I don't know the real diferences among them, the only thing that I iknow is not all works equals.

  • 0
    Guru 735685 points
    I don’t think you would have a new COM Port in your PC when the device is paired with it. BLE communication won’t create any COM port. Can you elaborate what you want to achieve?
  • 0 in reply to YiKai Chen
    Prodigy 120 points

    Hello YiKai,

    I would like to send files (< 1 MB) from my windows PC (visual basic app) to a device (equiped with the cc2640 as SNP) using the Buetooth low energy technology. Also I would like to read in Real Time the values of the sensors in the device. Now I am communicating both devices with a usb cable that create a virtual com port, but i have read that is not possible with bluetooth 4.2 protocol.

    My questions here are related with the cc2640R2F,

    - How can I configurate de SNP to use a service that allows me to send from pc to the device a file?

    - What is the recomended service/characteristics?


    Thank you in advance and do no hesitate to ask me whatever you need because I am starting using this tech and maybe I am not asking the right questions

  • 0 in reply to Ruben Garcia74
    Guru 735685 points
    Do I misunderstand your question? service/characteristics should be access through BLE communication not serial communication. I suppose you should connect your PC to a LAUNCHXL-CC2640R2 running HostTest and run BTool on your PC to connect to another CC2640R2F which has the service/characteristics you want on it. I suggest you to study SimpleLink Academy at dev.ti.com/.../ first.