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IEC 60730 Safety Routines for the DSC 56800EX Core - flash test failure

Question asked by Alberto Spagnolo on Jul 27, 2017
Latest reply on Mar 13, 2018 by Taimur wajad

Hi everyone,

I'm trying to add IEC60730 class B tests to an existing project for MC56F82733.

I'm having troubles to match the linker generated CRC: when I run the startup test, the interrupt vectors block test succeeds, but the program block test fails.

Thus, I've tried to use the example project and I face the very same problem.

I've tracked things down to (*.text): if I include it in the CRC calculation, the CRC test fails. If I don't include it, the CRC test succeeds.

 

Do you have any clues about that? Could it be some odd interaction with the debugger/breakpoints I'm using to read the CRC values (USB-TAP)? I use hardware breakpoints.

 

Many thanks in advance.

 

Kind regards,

Alberto Spagnolo

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