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HW Stack Overflow on MC56F8035

Question asked by Peter Cernan on Jan 10, 2016
Latest reply on Jan 12, 2016 by Peter Cernan

Hello, I'm working on solar microinverter with MC56F8035 DSC. I  use Quickstart / CW 5.9.0 for software development. I faced the issue with HW stack overflow. My program includes ADC converter and Timer A0 controlled by coresponding interrupts (level 1/level2). Both interrupt service routines and its subfunctions use # pragma interrupt on/off to store/restore data/registers correctly. I reviewed linker command file SDM_pflash.cmd where stack size is defined. I increased it from 0x100 to 0x200 but there was no improvement, HW stack overflow occured again. Any idea what's wrong? Thanks in advance for your advise. Have a nice day. Peter