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Arduino DHCP Library: Version 0.3

Saturday, 25 April 2009 08:45 by jordan.terrell

I just finished implementing some improvements to the Arduino DHCP Library as suggested by members of the Arduino forums.  Special thanks to Arduino forum members Nebster, smartperson, and thomsen for their feedback and suggestions.

      Download here: Arduino DHCP Library v0.3
      Previous Versions: v0.2, v0.1

Additional instructions can be found on the original DHCP library post.

Here is a list of the improvements in the v0.3 release:

  • Transaction ID is correctly incremented on DHCP discovery retries
  • Elapsed Seconds is now calculated and transmitted, instead of always being zero
  • You can now retrieve the following data elements:
    • Local MAC Address
    • Local IP Address
    • Subnet Mask
    • Gateway IP Address
    • DHCP Server IP Address
    • DNS Server IP Address
  • The example Arduino sketch has been updated to show:
    • How to determine if an IP address was successfully acquired
    • How to retrieve data elements acquired from the DHCP server (e.g. Local IP Address)

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