User Manual

Software Design

ZSTAR3 Reference Design Manual, Rev. 0.1

Freescale Semiconductor 5-35

Preliminary

5.3.2.4 Zdata

The 5.3.2.4, “Zdata field follows the 5.3.2.3, “Zcommand field and may be empty if the actual command

doesn’t require any additional data. The data format is dependent on the 5.3.2.3, “Zcommand. A detailed

description is in the next chapter.

5.3.3 Original ZSTAR Zcommand Description

For more detail description of original ZSTAR Zcommands check RD3152MMA7260Q reference design

manual ZSTARRM Reference design manual - Original ZSTAR demo(RD3152MMA7260Q) RDM.

5.3.4 ZSTAR3 Protocol Zcommand Description

All commands with direction Sensor board to USB stick are replinish(lower 4 bits) by information of

sensor index.

Table 5-2. ZSTAR3 main commands Zcommand List

ZCommand

code

Direction Zdata

ZSTAR3_PYLON

0xA0 USB stick to Sensor Board Status and optional subcommand

ZSTAR3_DATA

0x50 Sensor Board to USB stick Accelerometers values, status info

ZSTAR3_DATA

0x60 Sensor Board to USB stick none

ZSTAR3_CONNECT

0x40 Both Calibration data, board info

ZSTAR3_ION

0x70 Sensor Board to USB stick Optional return read data from ION

Table 5-3. ZSTAR3 subcommands Zcommand List

ZCommand

code

Direction Zdata

ZSTAR3_GUI

‘g’ (0x67) USB stick to Sensor Board none

ZSTAR3_MODE

‘m’ {0x6D) USB stick to Sensor Board Set up data of new mode

ZSTAR3_OFF

‘o’ (0x6F) USB stick to Sensor Board none

ZSTAR3_GSEL

‘s’ (0x73) USB stick to Sensor Board g-range selection data to Sensor Board

ZSTAR3_DATARATE

‘d’ (0x64) USB stick to Sensor Board new datarate

ZSTAR3_FLAG

‘f’ (0x66) USB stick to Sensor Board none