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RTOS/LAUNCHXL-CC2640R2: ble5stack - BTool - host_test - several connections - No Resources Available

Frederik
Prodigy 225 points

Part Number: LAUNCHXL-CC2640R2

Tool/software: TI-RTOS

Hi,

I'm evaluating the CC2640R2 as host controller for several peripherals.

After connecting 3 devices with BTool I get an error message on connecting the fourth device:

- GAP_EstablishLinkRequest Failed

- There Are No Resources Available

Shouldn't the stack be capable of connecting more then 3 devices?

I'm using simplelink_cc2640r2_sdk_1_35_00_33 with ble5stack host_test precompiled hex. If I test the same with the blestack host_test the message wont pop up.

Our minimum requirement is to connect 4 devices as network processor host. 5 or more if possible.

Is there a way to optimize the host_test fw?

Also we have to optimise for UART throughput for piping notifications later - any pointing in the right direction would help.

regards

  • 0
    TI__Guru** 105180 points
    Hello Frederik,

    The Host Test application on ble5stack supports MAX_NUM_BLE_CONNS=3 based on available RAM resources. You could try enabling Cache as RAM to support more than 3, although we have not tested the max # when the cache is used as RAM.

    Best wishes