LWIP的主要目的是减少存储器利用量和代码尺寸，使LWIP适合应用于小的、资源有限的处理器如嵌入式系统。这是在lpc22xx上的移植-Viedo the main purpose is to reduce memory utilization and code size, so Viedo suited for small, limited resources, such as embedded processor system. This is in the transplant lpc22x

UDP sample code implement on LPC-UDP sample code implement on LPC22xx