General Command

Tag 0x00-0x2f command for general use, battery and LED are explained in this page.

Keyword

NA: Not applicable, this command should no be sent by the sensor/application.

None: No data contained in this command, data length can be set as 0x00.

Tag 0x00

Meaning:
Get/reply product ID and firmware version.

Data format - app send:
None

Data format - app receive:

Byte Length 1 1
Meaning Product ID Firmware Version

Product ID: Different product ID represent following sensor series.

Sensor Series Product ID
A Series 0x41
B Series 0x42

Firmware Version: Integer that represent the firmware version.

Tag 0x01

Meaning:
Ping message, sensor will reply a ping message if it get ping.

Data format - app send:
None

Data format - app receive:
NA

Tag 0x02

Meaning:
Get the sensor modules availability.

Data format - app send:
None

Data format - app receive:

Byte Length 2
Meaning Modules availability flags

Modules availability flags: Each bit represent that sensor module availability, 1 is function normally, 0 is disabled.

Bit Order 0 1 2 3 4 5 6 7
Sensor Module Battery Management LED EEPROM IMU MAG Barometric Pressure EMG TOF

Tag 0x03

Meaning:
Error, sensor will send this message when any error happened.

Data format - app send:
NA

Data format - app receive:

Byte Length 1
Meaning Error Code

Different error code have the following meaning:

Error Code Error Meaning
0x00 General Command Format Error
0x01 SPI Error
0x02 I2C Error
0x03 IMU Error
0x04 LED Error
0x05 Magnetometer Error

Tag 0x04

Meaning:
For development use.

Data format - app send:
None

Data format - app receive:
None

Tag 0x05

Meaning:
Request/Report the BLE connection parameters.

Data format - app send:

Byte Length 1 1 1 1
Meaning Conn Interval Min Conn Interval Max Slave Latency Supervision Timeout

Connection Interval Min: Range from 0x01(7.5ms) ... 0xff(1912.5ms), default is 30ms.

Connection Interval Max: Range from 0x01(7.5ms) ... 0xff(1912.5ms), default is 45ms.

Slave Latency: Latency in the number of connection event, 0x00 ... 0xff, default is 0.

Supervision Timeout: Range from 0x01(100ms) ... 0xff(25500ms), default is 5000ms.

On Android System parameters should be able to set directly from the client, this command is not required.

These parameters are used to request from client, actual set parameters might change depend on system.

Data format - app receive:

Same as the send format. Sensor will response the actual set parameters.

Tag 0x09

Meaning:
Enter shipment mode, with very low current consume, wake on charging.

Data format - app send:
None

Data format - app receive:
None.

Tag 0x10

Meaning:
ask/reply current battery level.

Data format - app send:
None

Data format - app receive:

Byte Length 1
Meaning battery level(%)

battery level: unsigned integer, only value between 0% to 100%.