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hex2dfu
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Krzysztof Rutecki 4007dd74f5 Create hex2dfu.c 2014-06-10 15:37:02 +02:00
LICENSE Initial commit 2014-06-10 15:08:47 +02:00
README.md Update README.md 2014-06-10 15:34:32 +02:00
hex2dfu.c Create hex2dfu.c 2014-06-10 15:37:02 +02:00

README.md

hex2dfu

Simple command line tool to convert file format from Intel HEX to STM32 DFU.

Compile

hex2dfu is a single C file application and can be easly compile by any ANSI C compiler. No makefile required. Just type:

gcc hex2dfu.c -o hex2dfu.exe

I`m using mingw32 under Windows, change parameters regards your enviroment.

Using

  1. Simple convertion

    hex2dfu.exe -i infile.hex -o outfile.dfu

  2. Convertion with changing VID/PID

    hex2dfu.exe -i infile.hex -o outfile.dfu -p 0x0483 -v 0xdf11

  3. As before with extra device version included (otherwise 0xFFFF will be placed)

    hex2dfu.exe -i infile.hex -o outfile.dfu -p 0x0483 -v 0xdf11 -d 0x1234

  4. EXTRA: Calculated CRC32 of the file and embed meta data at given address

    hex2dfu.exe -i infile.hex -o outfile.dfu -c 0x08011000

Automated CRC32 generation in very usefull when custom bootloader is in use. We can check firmware at every MCU boot and execute only when file ingerrity is authenticated. Otherwise performe failover (e.g. start USB bootloader).

Custom USB Bootloader supporting CRC32 checking during boot will be open sourced soon. Stay tune :)