实现LWIP TCP以太网客户端通讯，基于RT操作系统，下载程序，用网线将开发板与电脑连接，设置电脑IP为192.168.1.50，打开命令提示符界面输入“ping 192.168.1.30”可看到有消息接收，说明网络正常；打开网络调试助手，设置协议类型为TCP server，服务器ip地址：192.168.1.50，服务器端口号100，点击板子复位键连接，发送字符串可以回显接收到发送的字符串。
资源文件列表
Lwip_RT_TCP_client/bsp/lpc176x/applications/application.c , 1762
Lwip_RT_TCP_client/bsp/lpc176x/applications/platform.c , 769
Lwip_RT_TCP_client/bsp/lpc176x/applications/platform.h , 495
Lwip_RT_TCP_client/bsp/lpc176x/applications/SConscript , 192
Lwip_RT_TCP_client/bsp/lpc176x/applications/startup.c , 2654
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/CoreSupport/core_cm3.c , 16489
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/CoreSupport/core_cm3.h , 83896
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/DeviceSupport/NXP/LPC17xx/LPC17xx.h , 34796
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/DeviceSupport/NXP/LPC17xx/startup/arm/startup_LPC17xx.s , 10410
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/DeviceSupport/NXP/LPC17xx/startup/gcc/startup_LPC17xx.s , 7586
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/DeviceSupport/NXP/LPC17xx/startup/iar/startup_LPC17xx.s , 9769
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/DeviceSupport/NXP/LPC17xx/system_LPC17xx.c , 22618
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/CM3/DeviceSupport/NXP/LPC17xx/system_LPC17xx.h , 1750
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/License.doc , 39936
Lwip_RT_TCP_client/bsp/lpc176x/CMSIS/SConscript , 856
Lwip_RT_TCP_client/bsp/lpc176x/drivers/board.c , 1641
Lwip_RT_TCP_client/bsp/lpc176x/drivers/board.h , 529
Lwip_RT_TCP_client/bsp/lpc176x/drivers/emac.c , 11390
Lwip_RT_TCP_client/bsp/lpc176x/drivers/emac.h , 18241
Lwip_RT_TCP_client/bsp/lpc176x/drivers/led.c , 666
Lwip_RT_TCP_client/bsp/lpc176x/drivers/led.h , 169
Lwip_RT_TCP_client/bsp/lpc176x/drivers/SConscript , 328
Lwip_RT_TCP_client/bsp/lpc176x/drivers/sd.c , 14165
Lwip_RT_TCP_client/bsp/lpc176x/drivers/sd.h , 1393
Lwip_RT_TCP_client/bsp/lpc176x/drivers/spi.c , 6097
Lwip_RT_TCP_client/bsp/lpc176x/drivers/spi.h , 907
Lwip_RT_TCP_client/bsp/lpc176x/drivers/uart.c , 7638
Lwip_RT_TCP_client/bsp/lpc176x/drivers/uart.h , 75
Lwip_RT_TCP_client/bsp/lpc176x/JLinkSettings.ini , 578
Lwip_RT_TCP_client/bsp/lpc176x/obj/api_lib.crf , 107244
Lwip_RT_TCP_client/bsp/lpc176x/obj/api_lib.d , 2602
Lwip_RT_TCP_client/bsp/lpc176x/obj/api_lib.o , 104936
Lwip_RT_TCP_client/bsp/lpc176x/obj/api_msg.crf , 115474
Lwip_RT_TCP_client/bsp/lpc176x/obj/api_msg.d , 2669
Lwip_RT_TCP_client/bsp/lpc176x/obj/api_msg.o , 113120
Lwip_RT_TCP_client/bsp/lpc176x/obj/application.crf , 155524
Lwip_RT_TCP_client/bsp/lpc176x/obj/application.d , 2220
Lwip_RT_TCP_client/bsp/lpc176x/obj/application.o , 128900
Lwip_RT_TCP_client/bsp/lpc176x/obj/autoip.crf , 56288
Lwip_RT_TCP_client/bsp/lpc176x/obj/autoip.d , 860
Lwip_RT_TCP_client/bsp/lpc176x/obj/autoip.o , 40092
Lwip_RT_TCP_client/bsp/lpc176x/obj/backtrace.crf , 32696
Lwip_RT_TCP_client/bsp/lpc176x/obj/backtrace.d , 405
Lwip_RT_TCP_client/bsp/lpc176x/obj/backtrace.o , 23984
Lwip_RT_TCP_client/bsp/lpc176x/obj/board.crf , 102904
Lwip_RT_TCP_client/bsp/lpc176x/obj/board.d , 811
Lwip_RT_TCP_client/bsp/lpc176x/obj/board.o , 81932
Lwip_RT_TCP_client/bsp/lpc176x/obj/clock.crf , 34718
Lwip_RT_TCP_client/bsp/lpc176x/obj/clock.d , 388
Lwip_RT_TCP_client/bsp/lpc176x/obj/clock.o , 26604
Lwip_RT_TCP_client/bsp/lpc176x/obj/cmd.crf , 53995
Lwip_RT_TCP_client/bsp/lpc176x/obj/cmd.d , 532
Lwip_RT_TCP_client/bsp/lpc176x/obj/cmd.o , 54480
Lwip_RT_TCP_client/bsp/lpc176x/obj/components.crf , 80242
Lwip_RT_TCP_client/bsp/lpc176x/obj/components.d , 1718
Lwip_RT_TCP_client/bsp/lpc176x/obj/components.o , 68364
Lwip_RT_TCP_client/bsp/lpc176x/obj/context_rvds.d , 65
Lwip_RT_TCP_client/bsp/lpc176x/obj/context_rvds.lst , 20705
Lwip_RT_TCP_client/bsp/lpc176x/obj/context_rvds.o , 3372
Lwip_RT_TCP_client/bsp/lpc176x/obj/cpuport.crf , 35381
Lwip_RT_TCP_client/bsp/lpc176x/obj/cpuport.d , 388
Lwip_RT_TCP_client/bsp/lpc176x/obj/cpuport.o , 30704
Lwip_RT_TCP_client/bsp/lpc176x/obj/def.crf , 57274
Lwip_RT_TCP_client/bsp/lpc176x/obj/def.d , 864
Lwip_RT_TCP_client/bsp/lpc176x/obj/def.o , 43884
Lwip_RT_TCP_client/bsp/lpc176x/obj/device.crf , 35576
Lwip_RT_TCP_client/bsp/lpc176x/obj/device.d , 361
Lwip_RT_TCP_client/bsp/lpc176x/obj/device.o , 32788
Lwip_RT_TCP_client/bsp/lpc176x/obj/dhcp.crf , 56281
Lwip_RT_TCP_client/bsp/lpc176x/obj/dhcp.d , 819
Lwip_RT_TCP_client/bsp/lpc176x/obj/dhcp.o , 40032
Lwip_RT_TCP_client/bsp/lpc176x/obj/div0.crf , 90
Lwip_RT_TCP_client/bsp/lpc176x/obj/div0.d , 46
Lwip_RT_TCP_client/bsp/lpc176x/obj/div0.o , 5620
Lwip_RT_TCP_client/bsp/lpc176x/obj/dns.crf , 82249
Lwip_RT_TCP_client/bsp/lpc176x/obj/dns.d , 1564
Lwip_RT_TCP_client/bsp/lpc176x/obj/dns.o , 75100
Lwip_RT_TCP_client/bsp/lpc176x/obj/emac.crf , 148846
Lwip_RT_TCP_client/bsp/lpc176x/obj/emac.d , 1582
Lwip_RT_TCP_client/bsp/lpc176x/obj/emac.o , 124860
Lwip_RT_TCP_client/bsp/lpc176x/obj/err.crf , 56991
Lwip_RT_TCP_client/bsp/lpc176x/obj/err.d , 863
Lwip_RT_TCP_client/bsp/lpc176x/obj/err.o , 41248
Lwip_RT_TCP_client/bsp/lpc176x/obj/etharp.crf , 91281
Lwip_RT_TCP_client/bsp/lpc176x/obj/etharp.d , 1869
Lwip_RT_TCP_client/bsp/lpc176x/obj/etharp.o , 86536
Lwip_RT_TCP_client/bsp/lpc176x/obj/ethernetif.crf , 121679
Lwip_RT_TCP_client/bsp/lpc176x/obj/ethernetif.d , 3068
Lwip_RT_TCP_client/bsp/lpc176x/obj/ethernetif.o , 120540
Lwip_RT_TCP_client/bsp/lpc176x/obj/ExtDll.iex , 19
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_compiler.crf , 60003
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_compiler.d , 988
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_compiler.o , 53692
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_error.crf , 46012
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_error.d , 703
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_error.o , 36172
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_heap.crf , 48958
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_heap.d , 686
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_heap.o , 39108
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_init.crf , 49678
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_init.d , 972
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_init.o , 41756
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_node.crf , 50076
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_node.d , 858
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_node.o , 42688
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_ops.crf , 53310
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_ops.d , 780
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_ops.o , 51456
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_parser.crf , 59936
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_parser.d , 956
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_parser.o , 54676
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_token.crf , 52268
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_token.d , 762
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_token.o , 45356
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_var.crf , 47120
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_var.d , 671
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_var.o , 38124
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_vm.crf , 49256
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_vm.d , 763
Lwip_RT_TCP_client/bsp/lpc176x/obj/finsh_vm.o , 40472
Lwip_RT_TCP_client/bsp/lpc176x/obj/icmp.crf , 84470
Lwip_RT_TCP_client/bsp/lpc176x/obj/icmp.d , 1749
Lwip_RT_TCP_client/bsp/lpc176x/obj/icmp.o , 74600
Lwip_RT_TCP_client/bsp/lpc176x/obj/idle.crf , 35218
Lwip_RT_TCP_client/bsp/lpc176x/obj/idle.d , 377
Lwip_RT_TCP_client/bsp/lpc176x/obj/idle.o , 28304
Lwip_RT_TCP_client/bsp/lpc176x/obj/igmp.crf , 56286
Lwip_RT_TCP_client/bsp/lpc176x/obj/igmp.d , 824
Lwip_RT_TCP_client/bsp/lpc176x/obj/igmp.o , 40060
Lwip_RT_TCP_client/bsp/lpc176x/obj/inet.crf , 61515
Lwip_RT_TCP_client/bsp/lpc176x/obj/inet.d , 1031
Lwip_RT_TCP_client/bsp/lpc176x/obj/inet.o , 48636
Lwip_RT_TCP_client/bsp/lpc176x/obj/inet_chksum.crf , 67165
Lwip_RT_TCP_client/bsp/lpc176x/obj/inet_chksum.d , 1384
Lwip_RT_TCP_client/bsp/lpc176x/obj/inet_chksum.o , 56304
Lwip_RT_TCP_client/bsp/lpc176x/obj/init.crf , 115101
Lwip_RT_TCP_client/bsp/lpc176x/obj/init.d , 2752
Lwip_RT_TCP_client/bsp/lpc176x/obj/init.o , 104580
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip.crf , 104964
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip.d , 2412
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip.o , 98400
Lwip_RT_TCP_client/bsp/lpc176x/obj/ipc.crf , 52322
Lwip_RT_TCP_client/bsp/lpc176x/obj/ipc.d , 366
Lwip_RT_TCP_client/bsp/lpc176x/obj/ipc.o , 67144
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip_addr.crf , 68545
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip_addr.d , 1225
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip_addr.o , 57948
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip_frag.crf , 82252
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip_frag.d , 1921
Lwip_RT_TCP_client/bsp/lpc176x/obj/ip_frag.o , 70708
Lwip_RT_TCP_client/bsp/lpc176x/obj/irq.crf , 34658
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