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Merged
flip-dots merged 20 commits into from
Aug 28, 2026
Merged

Experiment with using construct for packet parsing #61

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27698d6
Experiment with using construct for packet parsing
flip-dots Aug 7, 2026
761e392
Dynamically generate Prime negotiation packets
flip-dots Aug 7, 2026
2967dba
Skip encryption if secret not negotiated
flip-dots Aug 10, 2026
d257c6a
Skip decryption if secret not negotiated
flip-dots Aug 10, 2026
3dae7db
Fix issue with missing bytes in legacy format
flip-dots Aug 10, 2026
5469270
Move negotiation pattern to constants file
flip-dots Aug 10, 2026
11e2045
Dynamically generate Solix negotiation packets
flip-dots Aug 10, 2026
7327e95
Move tests of commands to dedicated classes
flip-dots Aug 10, 2026
eb5ccff
Add command tests to remaining devices
flip-dots Aug 10, 2026
624e74d
Add end-to-end tests for sending commands
flip-dots Aug 10, 2026
685573a
Implement and adopt new send_command() interface
flip-dots Aug 11, 2026
25893be
Fix non end-to-end command tests
flip-dots Aug 11, 2026
ec0066e
Use system time for message timestamps
flip-dots Aug 11, 2026
e27ce01
Update keep_alive to use new send_command()
flip-dots Aug 11, 2026
3a8a7e1
Fix type error
flip-dots Aug 11, 2026
1794e15
Use system timezone for negotiation
flip-dots Aug 23, 2026
dd15da2
Use system timezone for Solix negotiation
flip-dots Aug 23, 2026
d6f6732
Move known negotiation value into constant
flip-dots Aug 23, 2026
80cb335
Use negotiated MTU, use construct for parameter logging, and remove l…
flip-dots Aug 23, 2026
099899e
Fix tests failing on non-GMT timezones
flip-dots Aug 28, 2026
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17 changes: 10 additions & 7 deletions SolixBLE/const.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
"""Constants for SolixBLE module.

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.. moduleauthor:: Harvey Lelliott (flip-dots) <harveylelliott@duck.com>

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#: GATT Service UUID for sending commands / negotiating.
UUID_COMMAND = "8c850002-0302-41c5-b46e-cf057c562025"

#: GATT Service UUID for identifying Solix/Prime devices (Tested on C300X, C1000, and Prime 160w Charger).

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UUID_IDENTIFIER = "0000ff09-0000-1000-8000-00805f9b34fb"

#: Time to wait before re-connecting on an unexpected disconnect.
Expand Down Expand Up @@ -44,30 +44,30 @@
#: Bool value for unknown boolean attributes.
DEFAULT_METADATA_BOOL = None

#: The pattern used in telemetry packers from some Anker devices
TELEMETRY_PATTERN_A = "03010f"

#: The pattern used in negotiation packets from Anker devices
NEGOTIATION_PATTERN = "030001"

#: Command used to initiate negotiations
NEGOTIATION_COMMAND_0 = "ff0936000300010001a10442ad8c69a22462326463306231372d623735642d346162662d626136652d656337633939376332336537b9"

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#: Response to receiving 1st negotiation message
NEGOTIATION_COMMAND_1 = "ff093d000300010003a10442ad8c69a22462326463306231372d623735642d346162662d626136652d656337633939376332336537a30120a40200f064"

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#: Response to receiving 2nd negotiation message
NEGOTIATION_COMMAND_2 = "ff0936000300010029a10442ad8c69a22462326463306231372d623735642d346162662d626136652d65633763393937633233653791"

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#: Response to receiving 3rd negotiation message
NEGOTIATION_COMMAND_3 = "ff0940000300010005a10443ad8c69a22462326463306231372d623735642d346162662d626136652d656337633939376332336537a30120a40200f0a50140fa"
NEGOTIATION_COMMAND_3 = "ff0940000300010005a10442ad8c69a22462326463306231372d623735642d346162662d626136652d656337633939376332336537a30120a40200f0a50140fb"

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#: Response to receiving 4th negotiation message
NEGOTIATION_COMMAND_4 = "ff094c000300010021a140060ea168f232aedb37fb2d120c49180329ac72ab5ec3eb8fd30a2f252dc5e151dabccd9b1dc1e288704ca760a0d8c918e5c94823a1f609a4bf07fb4c33ee219085"

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#: Response to receiving 5th negotiation message
NEGOTIATION_COMMAND_5 = "ff095a000300014022580bc0532a53c739adf3da7b994a7b5f221bcc16bab6392c215cb4faaf41d9d58e2c81c016e474c78eed5569147cb74a1f22ca2b3fad2e209dbbcfbdaca352034a6c479f055f68581b5f1e22348809f526"

#: The unix timestamp that is agreed upon in the negotiations. This is used
#: by Anker to protect against replay attacks as commands must contain the
#: current encrypted time.
BASE_TIMESTAMP = "42ad8c69"


#: The private key this program uses to perform the ECDH negotiation to
#: get a shared secret which is then used as an AES key for encrypting
#: communications between the program and the power station. Yes I know it
Expand All @@ -76,3 +76,6 @@
#: reason this has to be done at all is because Anker power stations no longer
#: support sending telemetry in plain text after the latest firmware update.
PRIVATE_KEY = "7dfbea61cd95cee49c458ad7419e817f1ade9a66136de3c7d5787af1458e39f4"

# POSIX timezone to use if determining the system time zone fails
FALLBACK_TZ = "GMT0BST,M3.5.0/1,M10.5.0"
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