#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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小平头技术问答
#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;
const static unsigned char TCP_TestData[]="This is LwIP TCP Client测试! ";
#define SYSTICKHZ 100
#define SYSTICKMS (1000 / SYSTICKHZ)
#define SYSTICKUS (1000000 / SYSTICKHZ)
#define SYSTICKNS (1000000000 / SYSTICKHZ)
void
SysTickIntHandler(void)
{
lwIPTimer(SYSTICKMS);
}
void Delay(unsigned long ulVal) /* 利用循环产生一定的延时 */
{
while ( --ulVal != 0 );
}
typedef struct
{
unsigned long ulRetryCount;
tBoolean bCONTROLSent;
} tAPPState;
static err_t App_sent(void *arg, struct tcp_pcb *pcb, u16_t len)
{
LWIP_UNUSED_ARG(len);
tcp_write(pcb,TCP_TestData,sizeof(TCP_TestData),0);
tcp_sent(pcb, App_sent);
return ERR_OK;
}
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_sent(pcb, App_sent);
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
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();
Delay(1000000UL);
Delay(1000000UL);
Delay(1000000UL);
}
}
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