Problems using ltchiptool 4.6.0 to write kickstart-bk7231t-2023-08-29.uf2

[DraakAnubis]

Get following error when writing flash with ltchiptool 4.6.0 and file : kickstart-bk7231t-2023-08-29.uf2

S [ 13.255] (+0.000s) -> RX: FF . S [ 13.255] (+0.000s) -> RX: b'\x01' S [ 13.255] (+0.000s) -> RX: E0 . S [ 13.255] (+0.000s) -> RX: FC . S [ 13.255] (+0.000s) -> RX: F4 . S [ 13.255] (+0.000s) -> RX: b'\x06\x00\x07' S [ 13.255] (+0.000s) -> RX: b'\x00\x00\x10!\x00' S [ 13.553] (+0.299s) <- TX: 01 E0 FC FF F4 06 00 0F 20 00 20 21 00 ........ . !. E [ 14.563] (+1.009s) ValueError: No response received E [ 59.191] (+44.628s) |-- File "ltchiptool\gui\work\base.py", line 24, in run E [ 59.191] (+0.000s) |-- File "ltchiptool\gui\work\flash.py", line 58, in run_impl E [ 59.191] (+0.000s) |-- File "ltchiptool\gui\work\flash.py", line 109, in _do_write E [ 59.191] (+0.000s) |-- File "ltchiptool\soc\bk72xx\flash.py", line 204, in flash_write_uf2 E [ 59.191] (+0.000s) |-- File "ltchiptool\util\streams.py", line 156, in update_from E [ 59.191] (+0.000s) |-- File "bk7231tools\serial__init__.py", line 149, in program_flash E [ 59.191] (+0.000s) |-- File "bk7231tools\serial\cmd_flash.py", line 216, in flash_erase_block E [ 59.191] (+0.000s) |-- File "bk7231tools\serial\protocol.py", line 210, in command

programing setup works tested with bk_writer1.60 and there firmware works but i like to test kickstart. only deference i see is the communication speed of 1000000 and not 115200

[kuba2k2]

You're probably resetting the chip twice. Make sure to connect CEN to GND and release it on time. If you connect it again too soon, it will cause problems like this.