MCU-PLUS-SDK-AM263X: GPT Predef timer implementation is missing

Aswathy jayagopi

Hello Team,

We are using MCAL_AM263x_08.06.02.01.

As per AUTOSAR specification,

some free running up counters – so-called GPT Predef Timers – are defined. These timers have predefined tick durations and predefined number of bits (physical time units and ranges). The GPT Predef Timers are used by the Time Service module.

when we enable Predef timer in Gpt module in EB, as below.

and Gpt_cfh.h generated as below.

But GPT_PREDEF_TIMER_100US_32BIT is not defined in the Gpt.h

the structure for predef timer is undefined.

- it leads to build error. we cannot use the Gpt_GetPredefTimerValue() API also.

Is this implemented in the Gpt driver? If no, do you planning to release a next version of GPt which includes this feature.?

Could you please suggest a solution for using free running counter value for time measurement from GPT?

Thanks

Aswathy

over 2 years ago

0 Sunil Kumar M S over 2 years ago

TI__Genius 14190 points

Hi Aswathy,

Currently MCAL Gpt driver does not support Predef Timers.

In the MCAL_AM263_09.00.00 release dummy apis and macros are added to resolve build errors.

Thanks,

Sunil Kumar M S

0 Aswathy jayagopi over 2 years ago in reply to Sunil Kumar M S

Prodigy 250 points

Hi Sunil,

Thanks for the reply.

we are hoping in next Mcal release this feature will be there in Gpt.

Thanks

Aswathy

0 Sunil Kumar M S over 2 years ago in reply to Aswathy jayagopi

TI__Genius 14190 points

Hi Aswathy,

Are you expecting following Predef timer? Please note in AM263x RTI frequency is 200MHZ and 1 tick duration will be 5 nano seconds.

GPT_PREDEF_TIMER_100US_32BIT

Thanks And Regards,

Sunil

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MCU-PLUS-SDK-AM263X: GPT Predef timer implementation is missing