This page has moved
⚠ The wiki has been replaced by the new website - this page has been moved: https://gadgetbridge.org/internals/specifics/zetime-protocol/
Write [message] to handle 0x0012 (UUID 0x6006-0x8001) then "0x03" @0x0016 (0x6006-0x8002) to validate
The reply is sent by notification from @0x0016
Watch to phone requests: [Message] sent by notification to handle 0x001e (UUID 0x6006-0x8004)
Reply by writting to handle 0x001a (UID 0x6006-0x8003)
Messages composition: '6f' + "subject" + "type" + payload size (2 bytes) + payload + '8f'
Message have to be splitted into 20 bytes chunks!
HEADER CODES: 2 bytes: "subject" + "type"
subjects:
01: general (used for "return codes")
02: S/N
03:
04: time synchronization
05:
08:
0a:
0b: (idle??? again???!!)
0c: (idle???)
16:
30: user info
50: goals
52: information availability
53: (idle?? too??)
54: activity
55: delete sleep data
56: sleep
5a: (idle one more time?? Seriously?)
61: heartbeat rate sensor
63: delete blood pressure data
64: get blood pressure data
76: phone notifications
77: weather
90: switch setting
93: bind start
94: bind end
98: calendar month view
99: calendar day view
d0: music
d8: upload nfc
types:
70: request
71: notification
80: response
81: return code when in 01
return codes (0181):
00: OK
01: NOK???
============
S/N:
(watch to phone)
(request: 6f02700100008f)
6f PREAMBLE
0280 TYPE: TIME S/N RESPONSE
payload size (2 bytes) (0c00)
S/N, ASCII encoded (12 bytes)
8f END
TIME SYNCHRONIZATION:
(phone to watch)
6f PREAMBLE
0471 TYPE: TIME SYNCHRONIZATION NOTIFICATION
payload size (2 bytes) (0c00)
year (2 bytes)
mont (1 byte)
day (1 byte)
hour (1 byte)
minutes (1 byte)
seconds (1 byte)
"0000010100" (5 bytes) I don't know the utility of these bytes. Anyway, it works when they're set to this value.
8f END
INFORMATION AVAILABILITY:
(watch to phone)
(request: 6f52700100008f)
6f PREAMBLE
5280 TYPE: INFORMATION AVAILABILITY ANSWER
payload size (2 bytes)
activity info avail. (2 bytes)
sleep (2 bytes)
heart (2 bytes)
?? (2 bytes)
8f END
ACTIVITY REPORT:
(watch to phone)
(request: 6f5470020000008f)
6f PREAMBLE
5480 TYPE: ACTIVITY RESPONSE
payload size (2 bytes)
packet number (2 bytes)
unix epoch (4 bytes)
steps (4 bytes)
calories burnt (4 bytes)
meters walked (4 bytes)
minutes of activity (4 bytes)
8f END
SLEEP:
(watch to phone)
(request: 6f5670020000008f)
6f PREAMBLE
5680 TYPE: SLEEP RESPONSE
payload size (2 bytes)
packet number (2 bytes)
unix epoch (4 bytes)
01 sleep type
8f END
sleep types:
10: begin
11: end
00: deep sleep
01: light sleep
02: awake
03: awake (beginning)
HEARBEAT SENSOR
(watch to phone)
(request: 6f6170020000008f)
6f PREAMBLE
6180 TYPE: HEARBEAT RESPONSE
payload size (2 bytes) (0700)
packet number (2 bytes)
unix epoch (4 bytes)
heart rate measure (1 byte)
8f END
PHONE NOTIFICATIONS:
(phone to watch)
6f PREAMBLE
7671 TYPE: PHONE NOTIFICATION NOTIFICATION
payload size (2 bytes)
Notification type (1 byte)
notif same type (1 byte) //message count
subject size (1 byte)
text size (1 byte)
subject (UTF-8 encoded)
text (UTF-8 encoded)
timestamp (YYYYMMDDTHHmmSS, ASCII encoded, 1 byte per character)
8f END
Notification types:
00: missed call
01: SMS
02: Yellow buble (unknown notification)
03: e-mail
04: nothing
05: incomming call
06: stop incomming call (don't forget to send it, otherwise the watch doesn't stop ringing)
07: Multi-users message (I think, from the icon)
08: Viber
09: Snapchat
0a: Whatsapp
0b: I don't know what this is
0c: Facebook
0d: Hangout
0e: GMail
0f: FB Messenger
10: Instagram
and others...
CALENDAR EVENT:
(phone to watch)
6f PREAMBLE
9971 TYPE: CALENDAR EVENT NOTIFICATION
payload size (2 bytes)
event number (1 byte) (1-3 ?)
year (2 bytes)
month (1 byte)
day (1 byte)
hour (2 bytes)
minutes (2 bytes)
text size (1 byte)
TEXT (UTF-8 encoded)
8f END
WEATHER:
(phone to watch)
6f PREAMBLE
7771 TYPE: WEATHER NOTIFICATION
current weather (5 bytes)
d+1 weather (5 bytes)
d+2 weather (5 bytes)
d+3 weather (5 bytes)
Location name (UTF-8 encoded)
8f END
weather (5 bytes):
"00" ? always 00 (unit: 0 = °C)
current temperature
min
max
"icon"
icons:
01: cloudy
04: rainy
06: stormy
MUSIC PROTOCOL:
(both ways)
Requests:
00: return simple status.
Notifications:
00: play; reply with simple status
01: pause; reply with simple status
02: precedent song; reply with simple status
03: next song; reply with simple status
04 set volume to + arg; reply with volume status
Replies:
simple status: status + title (UTF-8)
00: playing
01: paused
volume status: "02" + current volume (1 byte)
