#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!\r\n"; #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); }
void SysTickIntHandler(void) {
lwIPTimer(SYSTICKMS);
} void enet_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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