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Varying scan window with btool

Vito Ventura
Intellectual 620 points
Other Parts Discussed in Thread: CC2540

Hi all,

i'm using btool with CC2540 usb dongle; Default scan window is about 10 s. Is there a command to change (to reduce actually) this value?

Thanks

Vito

  • TI__Guru 56215 points

    Yes, you can change the parameter to whatever you want by

    1. Going into Adv.Commands

    2. Selecting GAP --> GAP_SetParam

    3. in the dropdown list, pick TGAP_GEN_DISC_SCAN_WIND to change your scan window. Make sure your scan window is not longer than your scan interval. Also the number is not ms. It's n * 0.625 mSec

  • in reply to Christin Lee
    Intellectual 620 points

    Hi Christin,

    Thanks for your so useful reply!

    I was probably wrong in my initial post, I meant not the scan window, but the time interval between the GAP_DEVICEDISCOVERYREQUEST and GAP_DEVICEDISCOVERYDONE: in btool it is by default, i guess, 10 seconds. I don't know if this time is linked to scan interval and window... please can you clarify?

    Regards,

    Vito

  • in reply to Vito Ventura
    TI__Guru 56215 points
    You can also stop the discovery by sending GAP_DeviceDiscoveryCancel at anytime during the discovery.