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DTIM beacon processing

Steven Tarr
Prodigy 40 points
Other Parts Discussed in Thread: WL1271

I have a WL1271 and am using the WLINK6.1.0.0.130 Driver with Firmware version 6.1.0.0.133.  I have a number of questions concerning DTIM beacon processing.

1  I have not had success with modifying the DtimListenInterval parameter in the tiwlan.ini file.

2. Does the firmware process the DTIM beacon or does the driver when the WL1271 is in ELP mode?

3. How many interrupts are generated by a single DTIM beacon reception?

Thanks for any info

cheers --

tarr

  • 0
    TI__Genius 9240 points

    Hi Tarr,

    DTIM is defined by the AP and is used to define the beacon after which all broadcast frames are being transmitted. so the Station has to wake up from ELP just before the DTIM beacon in order to receive broadcast frames.

    The Firmware is the one that responsible to wake on the DTIM time and send an interrupt to the Driver in case there is relevant received data.

    as for interrupts the firmware will issue interrupt on several reasons, received frame, completing transmitting frame, acknowledgment for any command from the driver, some events indicating that command was ended like scan complete and so on

    Regards,

    Eyal