TMS320F28027: Illegal isr even after doing memcpy

Lalu prasad

Part Number: TMS320F28027
Other Parts Discussed in Thread: C2000WARE

Hi,

I'm trying to run my code in flash. But after debugging it is going to illegal isr evethough I did memcpy. I don't know whether the linking is happened properly. Where do I check that I'm copying function that is going to place in RAM.

over 5 years ago

0 Kevin Allen18 over 5 years ago

TI__Mastermind 45606 points

Hi Lalu,

I'd suggest comparing your project to the C2000ware example that's configured to run from flash and see if you're missing anything. Located in the directory below:

C:\ti\c2000\C2000Ware_3_01_00_00\device_support\f2802x\examples\structs\flash_f2802x

You may be using the wrong linker command file, see 'F2802x_generic_flash.cmd'. Or you may be missing the 'f2802x_codestartbranch.asm' file in your project.

Best,

Kevin

0 Lalu prasad over 5 years ago in reply to Kevin Allen18

Prodigy 20 points

thanks kevin,

i will go through that.

0 Kevin Allen18 over 5 years ago in reply to Lalu prasad

TI__Mastermind 45606 points

Hi Lalu,

Sure. Let me know if you have any specific questions after reviewing the example.

You can find additional info on running an application standalone from flash in the App note: http://www.ti.com/lit/spra958

Best,

Kevin

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TMS320F28027: Illegal isr even after doing memcpy