LwIP在Luminary系列cortex m3 MCU上的应用，实现了UDP传输协议，可用于对LM3S系列ARM MCU的学习以及LwIP的学习。,Luminary Series LwIP in cortex m3 MCU applications,the realization of the UDP transport protocol,can be used for ARM MCU Series LM3S learning and learning LwIP.