User Manual

Family Reference and Programming Manual
STN1100FRPMA www.obdsol.com 9 of 23
6.0 ST Commands
ST commands are designed to provide extended
functionality, without breaking compatibility with the
ELM327 AT command set. Both command sets are
available simultaneously.
General
Command Description
BR baud Switch UART baud rate in software-friendly way
BRT ms Set UART baud rate switch timeout
S@1 ascii Set AT@1 device description string
SATI ascii Set ATI device ID string
SBR baud Switch UART baud rate in terminal-friendly way
WBR Write current UART baud rate to NVM
Device ID
Command Description
DI Print device hardware ID string (e.g., “OBDLink r1.7”)
I Print firmware ID string (e.g., “STN1100 v1.2.3”)
MFR Print device manufacturer ID string
SN Print device serial number
PowerSave
Command Description
SLCS Print active PowerSave configuration summary
SLEEP [delay] Enter sleep mode with optional delay
SLLT Report last sleep/wakeup triggers
SLPCP 0/1 Set PWR_CTRL output polarity
SLU sleep, wakeup UART sleep/wakeup triggers on/off
SLUIT sec Set UART inactivity timeout
SLUWP min, max Set UART wakeup pulse timing
SLX sleep, wakeup External sleep trigger on/off
SLXP 0/1 Set polarity of the external sleep control input
SLXS Print external SLEEP input status
SLXST ms Set minimum active time for external sleep trigger before entering sleep
SLXWT ms Set minimum inactive time for external sleep trigger before wakeup
ISO Specific
Command Description
IAT 0/1 Turn adaptive maximum interbyte timing (P
1
max) off/on*
IBR baud Set ISO baud rate
IMCS 0/1 Turn ISO manual checksum off*/on
IP1X ms Set maximum interbyte time for receiving messages (P
1
max)
IP4 ms Set interbyte time for transmitting messages (P
4
)