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jmary
Associate III
July 31, 2023
Solved

Task on GTM DPLL loss lock callback in ECU?

  • July 31, 2023
  • 2 replies
  • 1981 views

Anyone here do ECU project with GTM on SPC57?

what task/function should I add on loss lock callback of the GTM DPLL? I saw some samples project, they switch to half cycle ( 360 degree ) on the loss lock callback event. but I still have no clue the benefit of this such task. perhaps anyone here have some suggestions.

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Best answer by Erwan YVIN

There is a nice example in SPC5Studio

Have you checked this application ?

SPC572L64E3 ECU_ENGINE_LIB Test Application for Discovery

        Best regards

                        Erwan

2 replies

Erwan YVIN
Erwan YVINBest answer
ST Technical Moderator
August 28, 2023

There is a nice example in SPC5Studio

Have you checked this application ?

SPC572L64E3 ECU_ENGINE_LIB Test Application for Discovery

        Best regards

                        Erwan

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jmary
jmaryAuthor
Associate III
September 2, 2023

Yes, I had. The problem with the sample code there, after lost lock event the code then reinit the GTM. But then the pmt register became invalid.