topic Re: How to Increase Interrupt Stack Size in MQX Software Solutions

How to Increase Interrupt Stack Size

davidzhou — Mon, 12 Dec 2016 18:54:34 GMT

Hi,

I have K60 Towerboard, _K60P144M150SF3RM, with MQX4.2, and CodeWarrior 10.6.4.

I debugged into my code and interrupt stack is 78% usage. And Occasionally stack gets overflowed. I want to increase interrupt stack size for safety. But using PE, it seems to me it is not enabled to increase it:

Is anyway to enable it? or Is there anyway I can directly change the stack size params before I recompile bsp?

Thank You

David Zhou

Re: How to Increase Interrupt Stack Size

BlackNight — Mon, 12 Dec 2016 19:09:00 GMT

Hi David,

it is because 'generate linker file' is set to 'no'. Not sure why you have this, but I think it is because you are using MQX, and with MQX the linker files are done differently?

In any case, you should be able to edit the linker (.ld) file manually.

Erich

Re: How to Increase Interrupt Stack Size

davidzhou — Tue, 13 Dec 2016 23:10:47 GMT

Hi Erich,

I think the linker file (.ld) is created and editable if project is bare-board (without MQX).

But if an MQX4.2 project is created through the wizard, the linker file is not under the list of the project files.

Really, the question is how to increase the stack size for the MQX.4.2 project.

Thank you,

David Zhou

Re: How to Increase Interrupt Stack Size

danielchen — Wed, 14 Dec 2016 08:10:58 GMT

Hi David:

For bare mental, there is only one task, you can change this attribute in CPU component.

For RTOS environment, each task has it's individual stack size. For MQX, the stack size is set by MQX task template list

if your task is created by task component, for example, MQX lite task, it can be changed with PE. Please see the below picture.

Regards

Daniel

Re: How to Increase Interrupt Stack Size

davidzhou — Wed, 14 Dec 2016 16:42:42 GMT

Hi Daniel,

The question is how to increase stack size for interrupts (under Processors) , not tasks:

Thank you,

David Zhou

Re: How to Increase Interrupt Stack Size

danielchen — Thu, 15 Dec 2016 00:29:25 GMT

Hi David:

For interrupt stack size, I would suggest you can try to modify the link file directly

C:\Freescale\Freescale_MQX_4_2\mqx\source\bsp\twrk60d100m\gcc_cw\inflash.ld

__DEFAULT_INTERRUPT_STACK_SIZE = 1024;

Regards

Daniel

Re: How to Increase Interrupt Stack Size

davidzhou — Fri, 16 Dec 2016 17:47:47 GMT

Thank you Daniel !

David Zhou