This is a fork of the thelsing/knx stack from Thomas Kunze for and by the OpenKNX Team.

This projects provides a knx-device stack for arduino (ESP32 and RP2040). It implements most of System-B specification and can be configured with ETS. The necessary knxprod-files can be generated with the Kaenx-Creator tool.

See the examples for basic usage options

• Fix #30: Unexpected behaviour of GroupObject on failed conversion to DPT
  • GroupObject::value[No]SendCompare(..) resulted in value 0 (and returned change based on this value)
  • GroupObject::valueNoSend(..) updated state from unitialized to OK, without updating the value
  • GroupObject::value(..) wrote to GA without setting the KO value
• Extension #30: Return successful conversion to DPT on values update operations in GroupObject (changed result-type of some methods from void to bool)
• only set pinMode of Prog button pin if valid (PROG_BUTTON_PIN >= 0)
• Strings are now \0 terminated in group objects (#25)
• change defines in the rp2040 plattform for LAN / WLAN usage to KNX_IP_LAN or KNX_IP_WIFI, remove KNX_IP_GENERIC
• better Routing and Tunneling support
• add DPT 27.001
• increase device object api version to 2 (invalidation of knx flash data stored by older versions)
• add #pragma once to Arduino plattform to allow derived plattforms
• change esp32 plattform to use KNX_NETIF
• remove examples to deprecated plattforms, update remaining examples
• use tpuart library (https://github.com/OpenKNX/tpuart)

• adds unicast auto ack

• fix minor bug in TP-Uart Driver (RX queue out of boundary)

• complete rework of the TPUart DataLinkLayer with support interrupt-based handling and optimized queue handling
• added DMA support for RP2040 platform
• fix some issues with continous integration causing github actions to fail
• added rp2040 plattform to knx-demo example
• added bool GroupObject::valueCompare method for only sending the value when it has changed

• first OpenKNX version