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How to set baud rate for serial link using AT-commands?

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• How to set baud rate for serial link using AT-commands?

• How to set baud rate for serial link using AT-commands?

  danford > 08-21-2024, 11:49 AM

  I want to use the vLinker FS USB to listen to OBD2 messages on a Ford Transit Connect 2010. This works, but I get a buffer full situation.
  
  I am looking for information on how to increase the transfer speed between the vLinker FS and the PC. The default speed seems to 115200.
  
  I have tried the AT BRD command, but it does not seem to be supported. 
  
  How can I configure the vLinker FS to use a higher speed for the data flow towards the PC? Is there some AT-command that can be used? I know Forscan can increase the baud rate above 115200, so I am sure there is a way to do this. How is it done?
  
  Here are more details on my setup:
  
  I am using Linux and for testing I am using the minicom terminal emulator for sending AT commands. 
  
  After configuring the vLinker FS using these commands, I use the AT MA command to start listening. I receive around 480 messages before the vLinker FS reports "BUFFER FULL" and exits the monitor mode.
  
  AT Z    # Reset
  AT D    # Default
  AT SP 6 # Set Protocol
  AT CFC1 # Flowcontrol
  AT D1  # Show DLC
  AT AL  # Allow long messages
  AT H1  # Show headers
  AT CAF0 # Disable Formatting
  AT L0  # Disable linefeeds
  AT S0  # Remove whitespace
  
  The above commands are taken from here: 
  https://stackoverflow.com/questions/5218...bytes-long
  
  
  After sending the AT MA command, I receive around 480 messages and then this happens:
  
  ...
  23E87D1F47D1F47D3B5F
  23A8753006FE6E310B70
  00AD060
  BUFFER FULL
  
  >

• RE: How to set baud rate for serial link using AT-commands?

  admin > 08-22-2024, 01:21 AM

  (08-21-2024, 11:49 AM)danford Wrote: I want to use the vLinker FS USB to listen to OBD2 messages on a Ford Transit Connect 2010. This works, but I get a buffer full situation.
  
  I am looking for information on how to increase the transfer speed between the vLinker FS and the PC. The default speed seems to 115200.
  
  I have tried the AT BRD command, but it does not seem to be supported. 
  
  How can I configure the vLinker FS to use a higher speed for the data flow towards the PC? Is there some AT-command that can be used? I know Forscan can increase the baud rate above 115200, so I am sure there is a way to do this. How is it done?
  
  Here are more details on my setup:
  
  I am using Linux and for testing I am using the minicom terminal emulator for sending AT commands. 
  
  After configuring the vLinker FS using these commands, I use the AT MA command to start listening. I receive around 480 messages before the vLinker FS reports "BUFFER FULL" and exits the monitor mode.
  
  AT Z    # Reset
  AT D    # Default
  AT SP 6 # Set Protocol
  AT CFC1 # Flowcontrol
  AT D1  # Show DLC
  AT AL  # Allow long messages
  AT H1  # Show headers
  AT CAF0 # Disable Formatting
  AT L0  # Disable linefeeds
  AT S0  # Remove whitespace
  
  The above commands are taken from here: 
  https://stackoverflow.com/questions/5218...bytes-long
  
  
  After sending the AT MA command, I receive around 480 messages and then this happens:
  
  ...
  23E87D1F47D1F47D3B5F
  23A8753006FE6E310B70
  00AD060
  BUFFER FULL
  
  >

  We have a free tool to modify the baud rate of your product, please contact support@vgate.com.cn and he will send you the tool.
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