lwIP | stm32h7: Add Ethernet driver for STM32H743ZI Nucleo (!37)

Kinsey Moore (@opticron) gitlab at rtems.org
Tue Apr 28 03:24:14 UTC 2026




Kinsey Moore started a new discussion on rtemslwip/test/stm32h7_test/udp_server.c: https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/37#note_149149

 > +/**
 > + * @file udp_server.c
 > + * @brief Simple UDP Echo Server for STM32H7/RTEMS
 > + *
 > + * This file implements a basic UDP server using the lwIP socket API.
 > + * It runs as a dedicated thread, listening on port 5005. Received packets
 > + * are reversed and echoed back to the sender to demonstrate UDP connectivity.
 > + *
 > + * This file is part of the RTEMS lwIP port and is released into the Public Domain.
 > + */

If you are going to add a UDP echo server test, it should be part of rtems-net-services and use the standard socket API, not lwIP-specific interfaces. The lwIP-specific interfaces generate FD numbers that are not directly compatible with standard RTEMS calls.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/37#note_149149
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