#include <string.h>#include "inc/hw_ints.h"#include "inc/hw_memmap.h"#include "inc/hw_nvic.h"#include "inc/hw_types.h"#include "inc/hw_sysctl.h"
#include "driverlib/ethernet.h"#include "driverlib/gpio.h"#include "driverlib/interrupt.h"#include "driverlib/sysctl.h"#include "driverlib/systick.h"#include "driverlib/gpio.h"#include "driverlib/sysctl.h"
#include "utils/lwiplib.h"#include "utils/ustdlib.h"

#define My_Mac_ID  {0X00,0x14,0x97,0x0F,0x1D,0xE3}  //存储以太网控制器的物理地址,即MAC地址#define MY_IP_ID        {192,168,0,100}                   //以太网通信的IP地址#define IP_MARK_ID    {255,255,255,0}             //255.255.255.0,子网掩码#define MY_GATEWAY_ID   {192,168,0,1}                     //以太网通信的网关地址static const unsigned char pucMACAddress[]=My_Mac_ID;static const unsigned char IPAddress[] = MY_IP_ID;static const unsigned char NetMaskAddr[] = IP_MARK_ID;static const unsigned char GwWayAddr[] = MY_GATEWAY_ID;static const unsigned char TCP_TestData[]="This is LwIP TCP Client 在Luminary Cortex-M3上的测试！ ";#define SYSTICKHZ 100#define SYSTICKMS (1000 / SYSTICKHZ)#define SYSTICKUS (1000000 / SYSTICKHZ)#define SYSTICKNS (1000000000 / SYSTICKHZ)
void Delay(unsigned long ulVal) /* 利用循环产生一定的延时 */{while ( --ulVal != 0 );}
err_t TcpCli_Connected(void *arg,struct tcp_pcb *pcb,err_t err){tcp_write(pcb,TCP_TestData,sizeof(TCP_TestData),0); /* 发送数据 */tcp_close(pcb);return ERR_OK;}

void TCP_Client_Init(){  struct tcp_pcb *Clipcb;  struct ip_addr ipaddr;    IP4_ADDR(&ipaddr,192,168,0,127);    Clipcb = tcp_new();                       // 建立通信的TCP控制块(Clipcb)     tcp_bind(Clipcb,IP_ADDR_ANY,1026);       // 绑定本地IP地址和端口号     tcp_connect(Clipcb,&ipaddr,1026,TcpCli_Connected);}



voidSysTickIntHandler(void){
lwIPTimer(SYSTICKMS);
}voidenet_udp(void){    struct ip_addr ulIPAddr,ulNetMask,ulGWAddr;      if(REVISION_IS_A2)    {        SysCtlLDOSet(SYSCTL_LDO_2_75V);    }    SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |                   SYSCTL_XTAL_8MHZ);       SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);    SysCtlPeripheralReset(SYSCTL_PERIPH_ETH);    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);    GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);     SysTickPeriodSet(SysCtlClockGet() / SYSTICKHZ);    SysTickEnable();    SysTickIntEnable();    IntMasterEnable();         IP4_ADDR(&ulIPAddr,IPAddress[3],IPAddress[2],IPAddress[1],IPAddress[0]);        IP4_ADDR(&ulNetMask,NetMaskAddr[3],NetMaskAddr[2],NetMaskAddr[1],NetMaskAddr[0]);        IP4_ADDR(&ulGWAddr,GwWayAddr[3],GwWayAddr[2],GwWayAddr[1],GwWayAddr[0]);        lwIPInit(pucMACAddress,ulIPAddr.addr, ulNetMask.addr, ulGWAddr.addr, IPADDR_USE_STATIC); while(1){    TCP_Client_Init();    SysCtlDelay(SysCtlClockGet()/3); }}
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