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Signature Creator for NXP Cortex-M DevicesThe command-line utility, ElfDwT, computes and writes a signature into the application image file. The signature is a checksum required for NXP devices based on Cortex-M processors and must be used with Flash loaders that do not implement this computation automatically. The ULINK Family of Debug and Trace Adapters do compute the signature automatically when used as a Flash loader. The executable file, ElfDwT.exe, is located in the folder ..\ARM\BIN. Use the application image file as an argument. The result is written back into the image file. If no BASEADDRESS is specified, then the base address 0x00 is assumed. For example: ElfDwT blinky.axf ElfDwT blinky.axf BASEADDRESS(0x1B000000)
Algorithm for creating the checksum Note
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