Creating SREC file for HAB bootable image generation

[tj787]

I'm generating command line tools for flashing the application image to the NOR flash of the MIMXRT1170 (EVKB board).

I know that the nxpimage tool helps create SREC format files from axf/elf files like this: 

nxpimage utils binary-image convert -i "%AXF_FILE%" -f s19 -o "%SREC_FILE%"

But the SREC file generated is different from the SREC file that is created when using the MCUXpresso Secure Provisioning Tool in terms of the contents and addressing. When I use the MCUXpresso Secure Provisioning Tool to load an elf/axf file to create a bootable image, it adds the srec file and parsed dcd file in the source folder of the MCUXpresso Secure Provisioning Tool's workspace.  I would like to know how those srec and parsed dcd file is generated by the MCUXpresso Secure Provisioning Tool. Also checking if there is a way to extract the parsed DCD file from SREC/elf/axf file separately with any CLI tools?

I know that the MCUXpresso Secure Provisioning Tool can be invoked from CLI to automate the whole process, but we are trying to create a script that can flash the MCU with just the nxpimage and blhost tools.

[Kan_Li]

Hi @tj787 ,

What can be seen here is the following command creates this output into specified “parsed-directory”:

nxpimage.exe hab parse -f mimxrt1176 -o parsed-directory -b my-application-with-dcd.bin

Hope that helps,

Have a great day,
Kan

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