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TMS320F28388D: Output format as COFF or ELF

Part Number: TMS320F28388D

Hi team,

My customer is testing F28388 and here is a question about the code output format:

1. Test based on f2838x_cpu1_allocate_ecat_to_cm

Code can be correctly programed into flash both in COFF and ELF format.

2. Test based on f2838x_cpu1_echoback_solution:

For test purpose, customer added a short LED blinking code in the main loop:

After this, they noticed the code does not work when output format is ELF. But in COFF format, everything works well.

Is there any material explaining the difference between ELF and COFF? And why COFF works but ELF does not work? I've also got the map file from customer. I could share with team member via Email if needed

Regards,

Brian