Created
October 1, 2019 12:25
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Script for use with prjtrellis to swap the IDCODE of a ECP5 bitstream
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| #!/usr/bin/env python3 | |
| """ | |
| This simple example uses PyTrellis to unpack, change the IDCODE, and pack a bitstream | |
| """ | |
| import pytrellis | |
| pytrellis.load_database("/usr/share/trellis/database") | |
| bs = pytrellis.Bitstream.read_bit("build/gateware/impl/top_impl.bit") | |
| chip = bs.deserialise_chip() | |
| chip.info.idcode = 0x81113043 | |
| repack = pytrellis.Bitstream.serialise_chip(chip) | |
| repack.write_bit("repack.bit") | |
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