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How to create and setting Timer interrupt vectors for TMS320VC5505 eZDSP USB Stick?

Ashwin Panchal
Intellectual 350 points
Other Parts Discussed in Thread: SPRC133

 

Hi All,

Can anybody let me know how to create timer interrupt (In CCS-V4, using C) without using any DSP library and DSP BIOS?

I also read out  "SPRA036" but it create more confusion.

 

Thanks in Advance,

Ashwin Panchal

 

 

  



 

 

  

 



  

  • 0
    Expert 1790 points

    Hi Ashwin,

     

    You can have a look at  http://code.google.com/p/c5505-ezdsp/  on the project named Adio Filter Demo for the C5505. It has an implementation of timer, see the rtc_bypass1.c and vector.asm sources.

    Yet you can also see the csl_rtc_example from the CSL 2.10 in  http://focus.ti.com/docs/toolsw/folders/print/sprc133.html

     

    Regards,

    Christos

     

  • 0 in reply to Christos Nikolaou12204
    Intellectual 350 points

    Hi Christos,

     

    Thanks for your reply,

    but from last few days i am more confused, due to the so many configuration in the examples given by TI.

     can you please send me a new project file which have only Timer-0 interrupt at every 1ms?

    and also can you send me details about how to configure the .CMD file? ( as i am new to the DSP development)

     

    Thanks for your help,

    Ashwin Panchal

  • 0 in reply to Ashwin Panchal
    Expert 1790 points

    Ashwin,

     

    See csl_rtc_example specifically in line 272

    "    /* Enable the RTC SEC interrupts */
        status = RTC_eventEnable(CSL_RTC_SECEVENT_INTERRUPT);
        if(status != CSL_SOK)
        {
            printf("RTC_eventEnable for SEC EVENT Failed\n");
            return;
        }
        else
        {
            printf("RTC_eventEnable for SEC EVENT Successful\n");
        }
    "

     

    examine how you can change the CSL_RTC_SECEVENT_INTERRUPT with CSL_RTC_MSEVENT_INTERRUPT

    that gives a millisecond interrupt.

     

    Also study the RTC module and its functions of CSL 2.10

     

    These are all I can say on the subject, you need to do your own homework and effort on this.

     

    Christos