OBDLink EX [STN2230] ChangeLog
OBD Solutions LLC


v5.12.4 - 2025/12/15
--------------------

- BUG: Fixed issues handling raw CAN frames when using ISO 15765
- BUG: Fixed incorrect behavior when CAN transmissions are aborted
- BUG: Fixed incorrect error being reported when communicating on a disconnected bus
- BUG: Fixed issue where ISO 11898 messages were dropped when using ISO 15765



v5.12.2 - 2025/10/30
--------------------

- BUG: Fixed an issue where CAN multi-frame message transmission would cause the device to lock up after 35 minutes of uptime



v5.12.1 - 2025/10/16
--------------------

- NEW: Added the Batched Commands feature, which supports sending multiple commands/requests in a single prompt
- NEW: Added the STBC command for enabling and disabling the Batched Commands feature
- NEW: Added the STBCOF command, which sets the output format for batched commands
- NEW: Added an optional parameter to STM and STMA commands to exit monitoring after reaching the specified message count
- NEW: Added the STITW command to set ISO protocol W timings

- CHG: STCSTM now also sets ISO 11898 inter-frame delay for segmented messages

- BUG: Fixed handling of ATCRA, ATCF, and ATCM so their values are preserved when ATSP or ATTP are issued, matching ELM327 behavior
- BUG: Fixed rare issue where an overflow condition could reduce message delay times
- BUG: Fixed rare ISO 15765 flow-control frame transmission failure during concurrent multi-frame reception
- BUG: Fixed INTERNAL ERROR when receiving more multi-frame messages than specified
- BUG: Fixed ATCRA not restoring default filters when used without a parameter
- BUG: Fixed bug, STPX now properly sends 29-bit CAN messages when the AT/ST protocol is configured to 11-bit CAN



v5.10.3 - 2024/02/01
--------------------

- NEW: Added the STIP command to set message parity for ISO-14230 protocols
- NEW: Added the STIIAP command to set initialization address parity for ISO-14230 protocols

- CHG: Changed STIFI command to keep ISO-14230 connection open post-initialization

- BUG: Fixed user input validation for STPPMA
- BUG: Fixed an INTERNAL ERROR when the periodic message protocol doesn't match the current protocol



v5.8.1 - 2023/03/29
-------------------

- BUG: Fixed a bug where STI/STDI/STDIX may return the wrong device ID or hardware revision
- BUG: Fixed ATCF not setting filter properly
- BUG: Fixed <DATA ERROR for multi-frame messages while in monitoring mode



v5.7.1 - 2022/09/20
-------------------

- BUG: Fixed factory reset issue



v5.7.0 - 2022/09/16
-------------------

- NEW: Added support for PP 1D
- NEW: Added support for PP 1C
- NEW: Added support for PP 14

- CHG: PP 0C sets UART baud rate to 9600 when value is 00
- CHG: ATCRA now accepts "X" as a don't care
- CHG: Relaxed ISO initialization timing to work better with non-compliant ECUs
- CHG: Changed STIP4 to saturate at 262 ms

- BUG: Fixed CAN baud rate divisors for Programmable Parameter 2D and 2F



v5.6.24 - 2022/03/22
--------------------

- NEW: Implemented STPFEPS command to control FEPS adapter over L-Line

- BUG: Fixed async CAN not handling cancellation and not reporting the error from aborted frames
- BUG: Fixed async CAN memory leak caused by bus stuck in dominant state
- BUG: Fixed STPPMD locking up with non-existent handles
- BUG: Fixed STPPMA not working for 29 bit CAN protocols
- BUG: Fixed ATMP not working with J1939 configured USER1 preset until protocol was opened
- BUG: Fixed OUT OF MEMORY issue related to async CAN processing



v5.6.19 - 2021/06/30
--------------------

- NEW: Added support for assembly revision format
- NEW: Added ATIB baud rate presets 12 and 15

- CHG: Changed manufacturer string to OBD Solutions LLC
- CHG: Made a small optimization to STPX to improve UART processing speed

- BUG: Fixed FATAL ERROR caused by reception of multi-frame message in monitor mode
- BUG: Fixed INTERNAL ERROR when using STIFI with ISO9141 protocols



v5.6.5 - 2020/10/14
-------------------

- BUG: Fixed ISO protocol detection failure



v5.6.4 - 2020/10/06
-------------------

- BUG: Fixed a BUFFER FULL caused by the CAN RX buffer getting filled while waiting for a FC frame during a multi-frame transmission



v5.6.1 - 2020/09/18
-------------------

- NEW: Added command to change CAN consecutive and flow control frame reception timeouts
- NEW: Added command to specify additional STmin delay
- NEW: Added support for 4 byte header to ATSH

- CHG: Removed CAN deaf time after sending a CAN message

- BUG: Fixed response pending messages (7F xx 78) being counted when using STPTO 0
- BUG: Fixed STSLU, STSLVL, and STSLX not working



v5.5.3 - 2020/06/09
-------------------

- BUG: Fixed EEPROM not retaining settings after firmware update



v5.5.2 - 2020/06/03
-------------------

- BUG: Fixed inability to transmit after CAN ERROR



v5.5.1 - 2020/06/02
-------------------

- BUG: Fixed possible FATAL ERROR when receiving multi-frame message



v5.5.0 - 2020/05/28
-------------------

- BUG: Fixed CAN OUT OF MEMORY error introduced by async CAN optimization



v5.2.0 - 2020/05/10
-------------------

- NEW: Added support for PP 2C bit 4 (8/7 CAN)

- CHG: CAN driver improvements
- CHG: Changed welcome string to print "ELM327 1.4b" instead of "ELM327 1.3a"
- CHG: Increased response pending timeout to 6000 ms to account for tolerance
- CHG: "STOPPED" is now printed exiting all monitoring modes

- BUG: Reset message reception timeout on CAN first frame causing "NO DATA"
- BUG: Fixed "BUFFER FULL" when CAN flow control arbitration fails due to a busy bus



v5.1.3 - 2020/01/24
-------------------

- CHG: Removed unnecessary sleep functionality
- CHG: Increased UART RX buffer size to accomadate large transfers @ 2Mbps baudrate
- CHG: Set max UART baud rate of OBDLink EX and OBDLink SX to 2000000



v5.1.1 - 2019/10/10
-------------------

- Initial release
