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DSP peripherals acces

Leif Cipriani
Prodigy 10 points

Hello,

Does the DSP part of the TMS320DM816x has access to the peripherals, without using the ARM subsytem, for instance to the McASP interface?

I am asking this question because i need a professional, deterministic real time performance and the ARM with Linux on it seems not to fit in this purpose.

Kind regards,

Leif Cipriani

  • 0
    Expert 2640 points

    Dear Experts,

    I have same question on DM814X.

    If I use ARM with Linux to capture audio data through McASP, sometimes I might lost some audio data.

    I think this is due to linux is not a realtime system.

    Linux kernel might be locked by other process/driver, and during this time, McASP might be overrun and lost some audio data.

    Thus, maybe I can use DSP subsystem to capture audio through McASP.

    Then I can use DSP to enocde audio data without ARM/Linux.

    Is this possible? Where can I find a demo code or APIs?

    I am using DVRRDK 3.5.

    THX ~

    HB