OpenThread C API Reference Updates

See "api: user" labeled Pull Requests on GitHub for additional details on API Reference updates.

March 14, 2019

• Added support for OQPSK modulation in the 915MHz band to the Radio Types Platform API and the Link API.
• Various CoAP Secure API refinements.
• New SLAAC module functions added to the IPv6 API.
• otSemanticallyOpaqueIidGeneratorData struct and related functions removed from the IPv6 API.

February 25, 2019

• otIp6SlaacIidCreate and otIp6SlaacUpdate functions removed from the IPv6 API.

January 30, 2019

• Various CLI API refinements.
• mDidTx removed from the otRadioFrame struct.

January 23, 2019

• UDP Receiver functions added to the UDP API.
• otCoapHeader struct removed from the CoAP API. CoAP header information has been refined into the CoAP message.
• The DHCPv6 Server API has been removed.

January 7, 2019

• otIp6NewMessageFromBuffer function added to the IPv6 API.
• otDhcpAddress struct removed from the DHCPv6 API.