Enhancements

• Allow using this library on system without usocket module (merged PR #12 by @przemobe )

New Features:

• Allow object to be client and server at the same time (merged PR #8 by @frederic-bonjour )

Bug fixing:

• more transparent usage of custom sockets (if enabled). Socket function arguments comply now to the typical socket usage.

Enhancements:

• Added new examples with custom socket usage.
• Updated README files.

New Features:

• Added "non confirmable" versions of GET, PUT, POST
• Add option to disable library debug output.
• Support discard of incoming retransmission (optional)

Bug fixes:

• Fix return status of poll function
• Fix typo of boolean when server is enabled

Updated README file.

New Features:

• Support Separate response rfc7252 - 5.2.2
• Support Custom sockets
• Support of ESP8266
• added toString function for Coap Packets for convenience

Bug fixes:

• Fix respect of timeout in poll function
• Clear separation of Client/Server incoming message handling
• Properly pass Packet Token in the NOT_FOUND response when received incoming request but no Url Callback is defined.
• Updated examples to properly handle Packet Token

Code refactoring:

• Minimize imports per file to optimize memory usage (essential for ESP8266)

New examples for ESP32 / ESP8266

Updated README file.

The first release brings the following features:

• CoAP client
  • PUT
  • POST
  • GET
• CoAP server
• Example for Pycom device

Mutable properties when sending a packet

• IP : The IP of the receiving end
• Port : The listening port of the receiving end
• URL: The URL path used in the CoAP request
• Method: The request type: GET, PUT, POST, DELETE
• Payload: The actual payload to be transferred. The format of the payload is defined at "Content Type"
• Content Type: format of the "Payload"
• Query Option: Extra parameters added on the request's URI following the URL query format