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Using AMCLIB / GFLIB into an ISR

Question asked by Robert Metzeroth on Jul 29, 2019
Latest reply on Sep 6, 2019 by Petr Zelinka



 i use MPC5777C with S32-studio.


I tried to multiply in an ISR. If i call for example the function MLIB_Mul(FRAC32(0.185), FRAC32(0.195), F32), an IVOR1-exception occurs.

Then i tried the function  MLIB_Abs() within this ISR. Its output result is the same as input (negative sign) - not ok.


In any loop, which is called from the main loop, all this functions works fine. Only in any ISR is no function.


Can you give support?


Thank you,