hex file that will support all micro:bit variants. We have created a Universal Hex Creator tool, to easily create a.
hex file will be ~1.8Mb as opposed to ~700Kb in size.Ī Universal Hex JavaScript Library has been written to implement the format and associated detailed specification of the Universal Hex format.
A Universal Hex is a file that contains the binary data for both micro:bit V1 and micro:bit V2, in a format that DAPLink can process to only write to memory the data relevant to its micro:bit board.Ī Universal Hex hex file will work on a V1 or V2 board.Ī clear indication that you are working with this format is that a compiled. The latest board revision introduces a superset of the Intel-Hex format that enables compatibility across processor variants. hex file usually starts writing data to the same fixed location in memory, so depending on the toolchain, we might expect the first line of the file to start like this: All lines end with a checksum byte that can be used to verify the integrity of the data.Ī micro:bit. Intel hex consists of records of data, with the address in memory to store the data at the start.
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