MIC3322 ChangeLog(vLinker FS uses MIC3322 chip)
chebotong Technology Co., Ltd
https://www.vgatemall.com/

v2.3.04 - 2024/11/23
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News:
  - Added VTIMSP0/1/2 command.
  - Added VTIIAP0/1/2 command.
  - Added VTISOSI addr,mode command.
  - Added SWGP switch variable: KWF0/1.
  - The PWM protocol supported 83.3Kbps.
  - The VPW protocol supported 41.6Kbps.
  - KWP1281 protocols are supported, and the VTP291 command is used to select the protocol.
  
v2.3.02 - 2023/07/14
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News:
  - Added ATFT, ATFThh command.
  - Added ATFCSM8,9,A command.
  - Fully compatible with the ELM327 AT command set v2.3.
Changes: 
  - Changed welcome string to print "ELM327 v2.3".

v2.2.92 - 2023/02/01
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News:
  - Added OBD HEX format request.
  - Added VTVLCW command.
  - CAN bus baud rate support to 1M bps.
  - Add the function of restoring the serial baud rate to the default value.
  - Added SWGP switch variable: DRB, BOOST, HEX.
  
v2.2.88 - 2022/08/10
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News:
  - Added VTTOST TimoutType: CFST.
  - Added TSPA command.

v2.2.86 - 2022/03/21
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Changes: 
  - Added SWGP switch variable: FMD, After reset, it is 1. 0/1: 11bit and 29bit FM software registers are updated individually/simultaneously.
  - ATNL character limit changed to 129 bytes.
Bugs: 
  - FC frame not printing.
  - STP21 and STP23 protocol switching error.
  
v2.2.84 - 2022/01/20
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Changes: 
  - Improved the response processing time of the VTFullyRequest command from 2200us/4K to 990us/4K.
  - Added parallel transmission mechanism, which can save 27ms/4K at 3Mbps.
Bugs: 
  - Fix the problem that "BUF SMALL" appears continuously.
  - Fixed the issue that the line number information is invalid when the OBD request exceeds 512 bytes.

v2.2.82 - 2021/11/11
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Changes: 
  - VTSWGPGR1 formatted output function modification.

v2.2.80 - 2021/11/06
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Changes: 
  - Added the bus conflict preprocessing function of PMQE instruction.
  
v2.2.78 - 2021/10/30
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Changes: 
  - PWM protocol receiving data adds software filtering function.

v2.2.76 - 2021/10/23
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Changes: 
  - The alarm prompt string of insufficient space when receiving CAN format is changed from "BUFFER FULL" to "BUFFER SMALL".

v2.2.74 - 2021/10/08
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Changes: 
  - ISO15765 accepts the formatter's support for extended addresses.
Bugs: 
  - The requester's data cannot be monitored in the monitor state.

v2.2.72 - 2021/09/24
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News:
  - Added SWGP switch variable: FCDA1; FCDA0
Changes: 
  - Modified the function of the VTSET_CAN_FC instruction.
  - In the ISO15765 protocol, the FC frame content is not displayed in the non-monitoring state.
Bugs: 
  - The timeout when ISO15765 receives formatting is too short.

v2.2.70 - 2021/08/24
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Changes: 
  - ISO/KWP bus can set the baud rate to 1200bps~500Kbps.
Bugs: 
  - Under STP21 protocol, less than 4 bytes reply error.

v2.2.68 - 2021/08/03
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Changes: 
  - improve OBD-command interruption latency.
Bugs: 
  - When switching from the 21 protocol to other protocols, the data returned by the OBD command will be abnormal.

v2.2.66 - 2021/06/10
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News:
  - Added PMQE <No>, <HEADER>, <DATA1~8>, <PERIOD>, <MODE> command.
  - Added PMQE <No> command.
  - Added PMQE_PRT <No> command.
  - Added STPPMA,STPPMD,STPPMC command.
Changes: 
  - Modify the function of VTCAN_WM command mode 1.

v2.2.64 - 2021/05/28
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Changes: 
  - Enter the console program immediately after waking up from sleep.
  - The maximum CAN sending time can be changed through the PTOT parameter, currently the maximum is 1.04 seconds.
Bugs:
  - PWM can only send 6 bytes OBD request.
  - After receiving the busy signal, ISO will return "NO DATA" if it does not receive the correct data.
  - Two carriage return characters are missing before the wake character.

v2.2.62 - 2021/04/30
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Changes: 
  - Modified VTVERS reply string.
Bugs:
  - Flow control outputs ISO1765 format to ISO11898 in STM.
  
v2.2.60 - 2021/04/25
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Bugs:
  - There is no unformatted output mode for non-ISO-15765 CAN received data.

v2.2.58 - 2021/04/19
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News:
  - The user EEPROM content function can be modified when updating. 
  - Added STPO; STPC; STPTO; STPTOT; STPTRQ; STIFT ms, ms, message command.
  - Added STCSTM; STPCB0|1; STFBA [pattern], [mask] ; STFBC; STFFCA [pattern], [mask] command. 
  - Added STFFCC; STFPA [pattern], [mask] ; STFPC command. 
  - Added VTP2hh; VTD; VTPO; VTPC; VTISOFI tl, th, data command. 
  - Added VTFBA [pattern], [mask] ; VTFBA; VTFPA [pattern], [mask] ; VTFPA; VTFCPA [pattern], [mask] command. 
  - Added VTFCPA; VTFCTRA tx, rx; VTFCTRA; VTMFCA; VTTOST <TimoutType 1:ms>,  <TimoutType n:ms> command. 
  - Added VTPBRD; VTPBR baud command.
  - Added SWGP switch variable: PCB0; PCB1; IAT0; IAT1; FC0; FC1; IMCS0; IMCS1.
Changes: 
  - Modified the default value of the CAN periodic wake-up sequence. 
  - Modified the way that the CAN cycle wake-up sequence supports extended addresses. 
  - Change the PTOT (REQ) timeout for ISO to 5 seconds, and 1 second for other protocols. 
  - USB device indicator turns off after sleep.
  - The OBD power indicator goes out when the J1962 connector is not inserted.
Bugs:
  - FAB command is invalid when CAN protocol is selected.
  - FAP command is invalid when CAN protocol is selected.
  
v2.2.56 - 2021/01/03
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News:
  - Initial release.