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Original question:

LP-EM-CC2340R5: How to enter various power states？

LP-EM-CC2745R10-Q1: CC2745&CC2340 Passive scanning for connection

Peisheng Yang
Intellectual 660 points
Part Number: LP-EM-CC2745R10-Q1
Other Parts Discussed in Thread: CC2340R5

Tool/software:

Hi, Ti

  I cc2745 used implelink_lowpower_f3_sdk_8_40_00_61\examples\rtos\LP_EM_CC2745R10_Q1\ble5stack\basic_ble and cc2340 used simplelink_lowpower_f3_sdk_8_40_00_61\examples\rtos\LP_EM_CC2340R53\ble5stack\basic_ble  to make  a ble connection.

  when I set cc2340 scan type as active the connection can be successfully made.But when I set 2340 to passive scanning, cc2340 kept scanning but couldn't successfully connect to cc2745.

  I want to change the scan type of cc2340 to passive scanning and successfully connect with cc2745,What can I do to achieve this goal?

  • +1
    TI__Genius 14555 points

    Hello,

    I apologize for the delay. I tried the following:

    1. CC2340R5 configured as a central with passive scanning.

    2. CC27xx configured as a peripheral.

    3. Have the CC2340R5 scan and connect to the CC27xx.

    I was able to do the above without any issues.

    Peisheng Yang said:
      when I set cc2340 scan type as active the connection can be successfully made.But when I set 2340 to passive scanning, cc2340 kept scanning but couldn't successfully connect to cc2745.

    Does this mean that the CC2340R5 was able to find the CC2745 and attempt a connection, or that the CC2340R5 was not able to find the CC2745 at all? Do you mind elaborating on what you mean that it wasn't able to connect?

    Best,

    Nima Behmanesh