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Asked: 2026-06-06T02:42:06+00:00

I am using MSP430F5418 with FreeRTOS 7 in medium data model. I want to

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I am using MSP430F5418 with FreeRTOS 7 in medium data model.

I want to save the MSP CRC registers on FreeRTOS context switch.
I edited the portext.s43 like this.

In save context macro, after pushing 15 registers to stack, I push the CRC registers.
(CRCDI is the MSP register to save)

mov.w CRCD1, r15 
pushx.a r15

In restore context macro, I poped the CRC just before poping the 15 registers.

popx.a r15
mov.w r15, CRCDI

It is supposed to be working , but it is not. The program control is going to unknow location.

Anybody have any Idea?

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1 Answer

  1. Editorial Team

    I don’t know why people ask FreeRTOS support questions on forums other than the free and active FreeRTOS support request forum. It makes my life difficult though.

    I have answered your question here:
    https://sourceforge.net/projects/freertos/forums/forum/382005/topic/5367023

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