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CC3220MODA: SSID after AP mode

na na78
Guru 16770 points
Part Number: CC3220MODA

Hi

The customer uses CC3220MODA and evaluate their boards.

They investigate following operation.

At first, they connect CC3220MODA to a router using iPhone in provisioning mode.
After that, they try to re-connect CC3220MODA to another router.

At that time, iPhone sometimes fails to get SSID of CC3220MODA.
(CC3220MODA should move to AP mode again, but SSID is not present in Wifi list in iPhone)

If this situation occurs, SSID of CC3220MODA is not present also in other iPhone.

Radio wave situation of router is good at this test.

Do you have idea what is caused?

BestRegards

  • 0
    TI__Mastermind 40965 points
    Hi,

    Are you using one of the built-in examples from the SDK? Depending on how your application code is configured, the CC3220 does not necessarily go back into provisioning mode right away if it is disconnected from an AP. Are you able to show the serial output of the CC3220 code you are running, so that we can see if the CC3220 tries to go back into provisioning mode?
    Also, when you mention that the SSID of the CC3220 is not present in your test iPhones, have you tried using a non-iPhone device like a PC or android phone to see if the SSID appears there?

    Regards,
    Michael
  • 0 in reply to Michael Reymond
    Guru 16770 points
    Hi Mechael

    Thank you for your reply.
    I'm waiting for feedback from the customer.

    I would share information if I had update.

    BestRegards
  • 0 in reply to na na78
    TI__Mastermind 40965 points
    Hi,

    I assume that you have resolved your issue since I have not heard back from you. If not, feel free to post a response to this thread, or open a new thread regarding this issue.

    Regards,
    Michael
  • 0 in reply to Michael Reymond
    Guru 16770 points
    Hi Michael

    Sorry for late reply.
    By further investigation, it seemed to be caused of deletion of profile information.

    This was discussed in following thread.
    e2e.ti.com/.../710681

    So as the solution, sl_WlanProfileGet() and sl_WlanProfileDel() were applied.
    If the issue continues, I will open new thread.

    Thank you for your cooperation.

    BestRegards