How to get the System tick

Chethu — Mon, 22 Feb 2010 12:55:36 GMT

Hi,

I am using the MCF52259 controller & implementing the modbus protocol in it. I want to know how i can get the system tick to calculate tht interbyte silent interval.

Thanks & Regards,

Chethu

Re: How to get the System tick

JuroV — Thu, 25 Feb 2010 21:27:18 GMT

Hi. You want to know the period of system ticks? Then use PSP's function:

_psp_ticks_to_picoseconds(

      /* [IN] Ticks to be converted */
      PSP_TICK_STRUCT_PTR tick_ptr,

      /* [OUT] pointer to where the overflow boolean is to be written */
      boolean _PTR_       overflow_ptr
   )

or equivalent:

_psp_ticks_to_nanoseconds(...)

with:

tick_ptr->TICKS[0] = 1;

tick_ptr->HW_TICKS[0] = 0;

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How to get the System tick

Re: How to get the System tick