Manipulate efuses file, toggle flags, apply masks...
Project description
bflb-efuse-tool
Dump and modify efuse files extracted from BouffaloLabs chips so they can be programmed back.
The files can be extracted using
BLFlashCommand:
For instance, after switching the chip to bootloader mode, extract an efuse file for bl616:
./BLFlashCommand-ubuntu --chipname bl616 --efuse --read --start 0x00 --end 0x200 --file efuse_bl616.bin
Then move JTAG from pins 1 2 3 4 to pins 16 17 18 19:
bflb-efuse-tool --chip bl616 --in-file efuse_bl616.bin --out-file efuse_bl616_modified.bin --set jtag_cfg=3
Then program the efuse file back:
./BLFlashCommand-ubuntu --chipname bl616 --efuse --write --start 0x00 --end 0x200 --efusefile efuse_bl616.bin
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