PHY chip is DP83848, the project is based on IAR, to achieve a echo UDP with Echo TCPServer function

STM32F407
.........\IAR_Keil_kill.bat
.........\Project
.........\.......\Config
.........\.......\......\AppConfig.h
.........\.......\FreeRTOS
.........\.......\........\Debug
.........\.......\........\.....\Exe
.........\.......\........\.....\...\cc.out
.........\.......\........\.....\...\FreeRTOS.hex
.........\.......\........\.....\...\FreeRTOSLwip.hex
.........\.......\........\.....\...\stcpu.out
.........\.......\........\.....\...\Template.hex
.........\.......\........\.....\List
.........\.......\........\.....\....\cc.log
.........\.......\........\.....\....\stcpu.log
.........\.......\........\.....\....\stcpu.map
.........\.......\........\.....\Obj
.........\.......\........\.....\...\api_lib.o
.........\.......\........\.....\...\api_lib.pbi
.........\.......\........\.....\...\api_lib.pbi.cout
.........\.......\........\.....\...\api_msg.o
.........\.......\........\.....\...\api_msg.pbi
.........\.......\........\.....\...\api_msg.pbi.cout
.........\.......\........\.....\...\autoip.o
.........\.......\........\.....\...\autoip.pbi
.........\.......\........\.....\...\autoip.pbi.cout
.........\.......\........\.....\...\croutine.o
.........\.......\........\.....\...\croutine.pbi
.........\.......\........\.....\...\croutine.pbi.cout
.........\.......\........\.....\...\def.o
.........\.......\........\.....\...\def.pbi
.........\.......\........\.....\...\def.pbi.cout
.........\.......\........\.....\...\dhcp.o
.........\.......\........\.....\...\dhcp.pbi
.........\.......\........\.....\...\dhcp.pbi.cout
.........\.......\........\.....\...\dns.o
.........\.......\........\.....\...\dns.pbi
.........\.......\........\.....\...\dns.pbi.cout
.........\.......\........\.....\...\err.o
.........\.......\........\.....\...\err.pbi
.........\.......\........\.....\...\err.pbi.cout
.........\.......\........\.....\...\etharp.o
.........\.......\........\.....\...\etharp.pbi
.........\.......\........\.....\...\etharp.pbi.cout
.........\.......\........\.....\...\ethernetif.o
.........\.......\........\.....\...\ethernetif.pbi
.........\.......\........\.....\...\ethernetif.pbi.cout
.........\.......\........\.....\...\ETH_EMAC.o
.........\.......\........\.....\...\ETH_EMAC.pbi
.........\.......\........\.....\...\ETH_EMAC.pbi.cout
.........\.......\........\.....\...\event_groups.o
.........\.......\........\.....\...\event_groups.pbi
.........\.......\........\.....\...\event_groups.pbi.cout
.........\.......\........\.....\...\FreeRTOSLwip.pbd
.........\.......\........\.....\...\FreeRTOSLwip.pbd.browse
.........\.......\........\.....\...\heap_2.o
.........\.......\........\.....\...\heap_2.pbi
.........\.......\........\.....\...\heap_2.pbi.cout
.........\.......\........\.....\...\icmp.o
.........\.......\........\.....\...\icmp.pbi
.........\.......\........\.....\...\icmp.pbi.cout
.........\.......\........\.....\...\igmp.o
.........\.......\........\.....\...\igmp.pbi
.........\.......\........\.....\...\igmp.pbi.cout
.........\.......\........\.....\...\inet.o
.........\.......\........\.....\...\inet.pbi
.........\.......\........\.....\...\inet.pbi.cout
.........\.......\........\.....\...\inet_chksum.o
.........\.......\........\.....\...\inet_chksum.pbi
.........\.......\........\.....\...\inet_chksum.pbi.cout
.........\.......\........\.....\...\init.o
.........\.......\........\.....\...\init.pbi
.........\.......\........\.....\...\init.pbi.cout
.........\.......\........\.....\...\ip.o
.........\.......\........\.....\...\ip.pbi
.........\.......\........\.....\...\ip.pbi.cout
.........\.......\........\.....\...\ip_addr.o
.........\.......\........\.....\...\ip_addr.pbi
.........\.......\........\.....\...\ip_addr.pbi.cout
.........\.......\........\.....\...\ip_frag.o
.........\.......\........\.....\...\ip_frag.pbi
.........\.......\........\.....\...\ip_frag.pbi.cout
.........\.......\........\.....\...\ithread.o
.........\.......\........\.....\...\ithread.pbi
.........\.......\........\.....\...\ithread.pbi.cout
.........\.......\........\.....\...\lib.o
.........\.......\...

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