sACN  2.0.2
Implementation of ANSI E1.31 (Streaming ACN)
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Configuring lwIP for compatibility with sACN

Lightweight IP (lwIP) is a lightweight embedded TCP/IP stack. When including sACN in a lwIP project, the following lwIP configuration options are required:

  • Required options
    • LWIP_IPV4=1: sACN devices are required to support IPv4.
    • NO_SYS=0: EtcPal uses the lwIP sockets API which requires this.
    • LWIP_SOCKET=1: EtcPal uses the lwIP sockets API which requires this.
    • SO_REUSE=1: Allows sACN multicast reception to work properly.
    • SO_REUSE_RXTOALL=1: Allows sACN multicast reception to work properly.
    • LWIP_IGMP=1: Allows sACN to play nicely with multicast network infrastructure.