Characteristics

Characteristics

Only includes Mili service (0xfee0).

UUID	Description	Properties
0xff01	Device Info	Read
0xff02	Device Name	Read, Write
0xff03	Notification	Read, Notify
0xff04	User Info	Read, Write
0xff05	Control Point	Write
0xff06	Realtime Steps	Read, Notify
0xff07	Activity Data	Read, Notify
0xff08	Firmware Data	Write without response
0xff09	LE Params	Read, Write
0xff0a	Datetime	Read, Write
0xff0b	Statistics	Read, Write
0xff0c	Battery Info	Read, Notify
0xff0d	Test	Read, Write
0xff0e	Sensor Data	Read, Notify

Basics

Integer is encoded in little endian.

String is encoded in UTF-8.

Date:

00	01	02	03	04	05
year	month	day	hour	minute	second

Device Info

00 - 03	04	05	06	07	08 - 11	12 - 15
	feature	appearance	hardwareVersion		profileVersion	firmwareVersion

00 - 07 is deviceID.

Device Name

00 - 19
nameString

Notification

See Notification.

User Info

00 - 03	04	05	06	07	08	09 - 18	19
uid	gender	age	height	weight	type	alias	checksum

• gender: 0 - female, 1 - male.
• type: 0 - normal, 1 - clearData, 2 - retainData
• checksum: = CRC8(00-18) ^ theLastMACAddressByte

Control Point

See ControlPoint.

Realtime Steps

00 - 01
realtimeSteps

Activity Data

Meta - Data - Data - Data ... (n = count) - Meta - Data ...

Last Meta's count is 00.

Meta

00	01 - 06	07 - 08	09 - 10
type	timeStamp	duration	count

Data

00	01	02
intensity	steps	category

Firmware Data

TODO

LE Params

00 - 01	02 - 03	04 - 05	06 - 07	08 - 09	10 - 11
connIntMin	connIntMax	latency	timeout	connInt	advInt

Datetime

00 - 05	06 - 11
newerDate	olderDate

When write Datetime, set olderDate all bytes to 0xff.

Statistics

00 - 03	04 - 07	08 - 11	12 - 15	16 - 19
wake	vibrate	light	conn	adv

Battery Info

00	01 - 06	07	08
level	lastCharge	chargesCount	status

Test

See Test.

Sensor Data

00 - 01	02 - 03	04 - 05	06 - 07	...
index	axis1	axis2	axis3	repeat