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TMS320F28075: TMS320F28075 .out file modification

sandeep chavan
Intellectual 470 points

Part Number: TMS320F28075

Hello Team,

i am working on secondary bootloader implementation in our project. In that we are writing application code on flash using secondary bootloader. For application code we are  calculating crc of whole firmware and that crc we have to keep in one of the sector of flash. independent sector of flash we are using to keep crc of firmware.

So when we build our application code it will create .out file, after that using .txt file of firmware we are creating whole firmware crc. that crc we have to add in .out file.

I am referring common object file format document to add this crc application .out file.

Our application code is in Sector E to Sector M section. CRC will be in Sector N. in application  linker file i have written below line

CHECKSUM   : > FLASHN PAGE = 0, ALIGN(8)

and i am checking CHECKSUM string in .out file, i am getting this string in .out file but when i write the data on address of checksum, .out file is not working.

can anyone please guide on this.

Regards,

Sandeep Chavan