MIC3312 ChangeLog(vLinker FD uses MIC3312 chip)
chebotong Technology Co., Ltd
https://www.vgatemall.com/

v2.2.92 - 2025/06/21
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Changes:
  - The ATTA hh command also modifies the received CAN protocol extension address.

v2.2.90 - 2024/03/18
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Bugs:
  - The address pair set by FCTRA excludes the default address pair.

v2.2.88 - 2024/02/21
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Bugs:
  - In the GR1 state, the auto-search CAN protocol outputs an error character.

v2.2.86 - 2023/08/21
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News:
  - Added VTBTMD COD, VTBTMD DN, VTBTMD LEDN command.

v2.2.84 - 2023/05/22
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News:
  - Added pass filter increased to 48 groups.

v2.2.82 - 2022/12/20
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News:
  - Added VTVLCW, VTVLRD, VTVLCS command.

v2.2.80 - 2022/8/22
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Changes:
  - SWGPGR1 The response speed of formatted characters has been optimized.

v2.2.78 - 2022/03/22
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Changes: 
  - 7Fxx78 is not limited by the number of reply lines.
  - In the case that the GT variable is invalid (only controlled by ATNL/ATAL), the maximum number of incoming numeric characters is changed from 127 bytes to 129 bytes.
Bugs: 
  - The TOST command is affected by the previous longer instruction.

v2.2.76 - 2021/12/13
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Changes: 
  - The CAN controller adds a pre-buffering mechanism.
Bugs: 
  - FC frame content is not echoed in CAF0 mode.
  - When CAN WM is enabled, characters are missed during 500Kbps communication.

v2.2.74 - 2021/11/22
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Changes: 
  - Modified the FAP printout function of VPW protocol and PWM protocol.
  - Removed the two-character limit between ATNL and ATAL, and set it to characters less than 128 bytes uniformly.
Bugs: 
  - STP21 Multi-byte transmission without check digit mode returns a question mark.
  - CAN receiving formatting conflicts between FF frames and FF frames with the same address, conflicts between SF frames and FF frames with the same address.
  - Send content error after VTP221 command is executed.

v2.2.72 - 2021/10/21
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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.

v2.2.68 - 2021/09/29
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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.

v2.2.66 - 2021/08/17
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Bug:
  - The ram value is not cleared after the watchdog reset.

v2.2.64 - 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.

v2.2.62 - 2021/08/01
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Changes: 
  - The FC filter is expanded to 8 groups.

v2.2.60 - 2021/5/31
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Changes: 
  - The maximum CAN sending time can be changed through the VTTOST REP(ms) parameter, currently the maximum is 1.04 seconds.

v2.2.58 - 2021/5/6
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News:
  - Added VTD, VTP2hh, VTPC, VTPO, VTPBR baud, VTPBRD command.
  - Added VTISOFI, VTFBA, VTFPA, VTFCPA, VTFCTRA, VTMFCA command.
  - Added VTSWGP (BZF, CRF, GR, PCB, IMCS, IAT, FC) command. 
  - Added VTTOST (REP, REQ, REPQ) command. 
Changes:
  - OBD request byte up to 1024 Hex bytes (2048 ASCII bytes). 
Bugs:
  - VT TP_END, n will return immediately.

v2.2.56 - 2021/2/30
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News:
  - Added STFA, STFAC, STPO, STPC, STFBC, STFPC, STFFCC command.
  - Added STCSEGR, STCSTM, STCMM, STPCB, STPTRQ, STPTO, STPTOT command.
  - Added STFPA, STFBA, STFFCA, STIFI command.
Bugs:
  - Error sending ATRTR after long frame request.

v2.2.54 - 2020/11/30
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News:
  - The carriage return and line feed characters can be modified to any value.
Changes:
  - Modified VTVERS reply string.

v2.2.52 - 2020/11/26
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Bugs:
  - The ISO protocol receives a large amount of data buffer will overflow.
  - After ATH1 is set, Checksum is not printed when receiving busy signal in ISO protocol.

v2.2.50 - 2020/11/25
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Bugs:
  - When the ISO protocol exceeds 64 bytes for write operations, the data echoes an error.

v2.2.44 - 2020/11/09
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Bugs:
  - J1939 handshake function return value error.

v2.2.42 - 2020/08/29
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Bugs:
  - After the VT LNK instruction is executed, the first address of the parameter storage is modified.

v2.2.40 - 2020/07/25
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Changes:
  - Modified the upper limit of CAN baud rate.

v2.2.38 - 2020/07/13
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Changes:
  - Modify the CAN controller receiving error handling to provide the receiving error tolerance rate.

v2.2.36 - 2020/07/06
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Changes:
  - Modified the lower limit of CAN baud rate.

v2.2.34 - 2020/06/22
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News:
  - Added WIFI module default parameter initialization function.
Changes:
  - Modify the upgrade platform function to solve the secondary upgrade problem caused by wireless data packet loss.

v2.2.32 - 2020/06/08
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Changes:
  - Disable ATPP0CSVhh command function.

v2.2.30 - 2020/05/22
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Bugs:
  - The "STBRT ms" command to reply'?'.

v2.2.28 - 2020/05/18
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Bugs:
  - When modifying the last 3 h in ATCRA00000hhh to contain'X' characters, there is no clearing problem when mapping to the corresponding NIBBLE in the CAN11MASK array.
  - Forgetting to report an error when ATFCSD[hh hh hh hh hh] is greater than 16 characters.
  - ATWM[hh hh hh ...] greater than 20 characters without error.

v2.2.26 - 2020/04/06
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Bugs:
  - Unsuccessful initialization of the FD bluetooth Module at the first power-on.

v2.2.24 - 2020/03/28
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Changes:
  - Modified VTI reply string.

v2.2.22 - 2020/03/28
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Changes:
  - Modified VTVERS reply string.
  - Modified the VPW protocol sending error display string.
  
v2.2.20 - 2020/03/11
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News:
  - Added support for the FD bluetooth module.
Changes:
  - Increase the output delay and solve the problem of packet loss when the FD bluetooth module transmits large amounts of data.
Bugs:
  - The CAN controller does not initialize after the bluetooth module wakes up the main control.
  - Key detection function reentry.
  - Baud rate mismatch during the second upgrade of the FD bluetooth module.

v2.2.18 - 2019/10/27
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News:
  - Initial release