coldcard/ckcc-protocol
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add mk5

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This commit is contained in:
Peter D. Gray 2026-03-10 11:00:24 -04:00
parent abf040789b
commit 6d9f7193b3
No known key found for this signature in database
GPG Key ID: A2DCD558C2BE5D7C
1 changed files with 10 additions and 7 deletions
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17
ckcc/sigheader.py
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@ -1,4 +1,6 @@
# (c) Copyright 2018-2022 by Coinkite Inc. This file is covered by license found in COPYING-CC.
# Autogen'ed file, don't edit. See stm32/sigheader.h for original
# (c) Copyright 2018 by Coinkite Inc. This file is covered by license found in COPYING-CC.
# Our simple firmware header.
# Although called a header, this data is placed into the middle of the binary.
@ -10,9 +12,10 @@
# - version_string is for humans only
# - pubkey_num indicates which pubkey was used for signature
# - firmware_length, must be:
# - bigger than minimum length, less than max
# - 512-byte aligned
# - bigger than minimum length, less than max
# - 512-byte aligned
# - bootloader assumes the flash filesystem (FAT FS) follows the firmware.
# - this C header file is somewhat parsed and used by python signature-adding code
# - timestamp is YYMMDDHHMMSS0000 in BCD
@ -26,8 +29,8 @@ FW_HEADER_MAGIC = 0xCC001234
# arbitrary min size
FW_MIN_LENGTH = (256*1024)
# (mk1-3) absolute max size: 1MB flash - 32k for bootloader
# practical limit for our-protocol USB upgrades: 786432 (or else settings damaged)
# (mk1-3) absolute max size: 1MB flash - 32k for bootloader = 1,015,808
# - but practical limit for our-protocol USB upgrades: 786432 (or else settings damaged)
FW_MAX_LENGTH = (0x100000 - 0x8000)
# .. for Mk4: 2Mbytes, less bootrom of 128k.
@ -51,7 +54,7 @@ MK_2_OK = 0x02
MK_3_OK = 0x04
MK_4_OK = 0x08
MK_Q1_OK = 0x10
# RFU:
MK_6_OK = 0x20
MK_5_OK = 0x20
# EOF