StarSync Trackers

Firmware for the tracker sold by StarSync Trackers.

Serial info and commands

The tracker supports serial command. You will need to connect the tracker to your computer's USB port and use a serial terminal software.

Serial terminal software

Windows

• Hyperterminal
• PuTTY
• Bray++ Terminal

Linux and OSX

• minicom
• Cutecom

Connection settings

• Port/Device: would be the com port that gets made when you plug in the tracker. It might be something like COM5 on windows or /dev/ttyUSB0 on Linux.
• Baud rate: 115200
• Data bits: 8
• Stop bits: 1
• Hardware flow control: off
• CR - Carriage Return line feed

Commands

SST Commands:
 reset                            Reset the tracker to starting position.
 stop                             Stop tracking.
 continue                         Continue tracking if stopped.
 mv [length] inches|mm            Move to [length] in inches or mm on the rod.
 set_rate [rate]                  Set tracking rate to [rate].
 set_debug 0|1                    0 debug output disable, 1 debug output enabled.
 set_var [variable_name] [value]  Sets eeprom calibration variable.
 status                           Shows tracker status and eeprom variable values.

For example I can run: mv 2 inches and it will move to 2 inches along the rod, if it is already ahead past the two inch mark it will go back.

Status

Run the command status will give you a screen like this:

EEPROM Values:
 stepsPerRotation=200.00
 threadsPerInch=20.00
 r_i=7.40
 d_s=0.01
 d_f=0.45
 recalcIntervalS=15.00
 endLengthReset=6.50
 dir=1.00
Runtime Status:
 Debug: Disabled
 Version: v1.1.0
 Rate: 1.00
 Resets: 1
 Steps: 12856.00
 Time: 373.09 RT: 373.69
 Length: 0.64626
 Angle: 0.08742
 Speed: 35.45

Where you can see current eeprom variables, as well as the runtime status of the tracker such as the length it is on the rod, angle, stepping speed, etc.

Error Analysis

View Error Analysis