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TI Home » TI E2E Community » Support Forums » Low Power RF & Wireless Connectivity » Low Power RF Bluetooth® Low Energy & ANT Forum » CC2540 power mode 2 ( sleep timer on )
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CC2540 power mode 2 ( sleep timer on )

This question is not answered
Jerry Guo
Posted by Jerry Guo
on Jul 06 2011 15:31 PM
Intellectual270 points

Hi experts,

How to enter and exit PW2?

when in PW2, is the 8-KB SRAM content is persistent, or it's gone?

Thanks,

Jerry

CC 2540 low energy Deep Sleep
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  • Karl T.
    Posted by Karl T.
    on Jul 06 2011 16:35 PM
    Expert3500 points

    Hi Jerry,

    When you use the OSAL framework that is associated with the BLE stack, PM2 is automatically entered when there are no tasks active (assuming power management is turned on).

    SRAM contents are retained in all power modes. The only thing that will erase SRAM is if power is removed from the device.

    Best regards,

    Karl

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  • abderrahmane habet
    Posted by abderrahmane habet
    on Mar 30 2012 09:11 AM
    Intellectual430 points

    Hello

      I want to use the sleep timer to my dongle ,i want that my dongle wakeup all 5ms and look if there is the device wich wantto  conncete whith him  if not  it return to  sleep state ,i want to supprimed  the pressed swicth to connecte 

    ca you help me please

    sleep timer dongle
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  • kazola
    Posted by kazola
    on Mar 30 2012 10:12 AM
    Guru10665 points

    Hi Abderrahmane,

    the dongle is always powered, I think it cannot sleep.

    Also, I suggest you to put your source code and then ask some questions, you will obtain much better results and answers than if you expect people to write code from scratch.

    Good luck.




    Please click the     Verify Answer     button on a post if it answers your question! :)

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  • abderrahmane habet
    Posted by abderrahmane habet
    on Apr 04 2012 05:08 AM
    Intellectual430 points
    dongle.txt

    good morning

    thank you for your reponse

     when i press fastly  in  the remot control these last plant ,i verified my frame dongle,  i recieved the press and release then i will compte the time between the release and the press  to distinct  if it is  the  repeat or not but  my the problem of plant i can not deteminete   where

    these is the frame

    thank you

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  • kazola
    Posted by kazola
    on Apr 04 2012 06:29 AM
    Guru10665 points

    Hi Ab,

    you should open a new single thread for this, since with the old thread title, nobody is going to check your new problem ;)

    Please, also try to present your info and doubts as clearly as possible. For example, I was unable to understand your last question due to the lack of info.

    Bye! :) And good luck.

    Edit: I've seen you have posted your question in ALL the other threads.

    This is not correct at all. Please delete your posts since they are completely polluting the whole forum.



    Please click the     Verify Answer     button on a post if it answers your question! :)

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  • abderrahmane habet
    Posted by abderrahmane habet
    on Apr 04 2012 09:03 AM
    Intellectual430 points
    dongle.txt

    good morning

    I am using cc2540 BLE for remote control  ,when i press fastly  in  thekeu of  remot control these last plant ,i verified my frame dongle,  i recieved the press and release then i will compte the time between the release and the press  to distinct  if it is  the  repeat or not butwwhat caused the plant  of the remote ,these is the frame of my dongle

    thank you

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  • abderrahmane habet
    Posted by abderrahmane habet
    on Apr 04 2012 09:21 AM
    Intellectual430 points

    ok

    Sorry I'm new in to the site and I don't know how it works! I

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  • abderrahmane habet
    Posted by abderrahmane habet
    on Apr 04 2012 10:37 AM
    Intellectual430 points

    i try to supprime all the message but i don't know where!! can you  help me please

    thank you

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  • kazola
    Posted by kazola
    on Apr 04 2012 11:16 AM
    Guru10665 points

    Login, check on the thread list the subjects where you are the latest poster. Enter in each one of them and press the red cross below your comments, when available. And do not repeat such a thing, since it provokes a lot of confusion :)

    Bye.



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  • abderrahmane habet
    Posted by abderrahmane habet
    on Apr 05 2012 11:42 AM
    Intellectual430 points

    Hi

    I am using cc2540  BLE for the control remot i want to help me if  you can!,i have the problem in the remot when  i press in the key of the remot  with small speed between the press, the dongle detect the press and release key very well but when i presse quiqly (time between the press is small) the dongle  don't detect the release and stat  as repeat stat  so i don't know where is the problem ,i think these problem caused by  accumulation of message event in the dongle.is the speed between the press key limited in cc2450

     thank you

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