const static unsigned char test_data[]="This is LwIP TCP Client 在Luminary Cortex-M3上的测试！
";
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_nvic.h"
#include "inc/hw_types.h"
#include "driverlib/ethernet.h"
#include "driverlib/flash.h"
#include "driverlib/gpio.h"
#include "driverlib/interrupt.h"
#include "driverlib/sysctl.h"
#include "driverlib/systick.h"
#include "utils/locator.h"
#include "utils/lwiplib.h"
#include "utils/uartstdio.h"
#include "utils/ustdlib.h"
#include "grlib/grlib.h"
//*****************************************************************************
//
// Defines for setting up the system clock.
//
//*****************************************************************************
#define SYSTICKHZ 100
#define SYSTICKMS (1000 / SYSTICKHZ)
#define SYSTICKUS (1000000 / SYSTICKHZ)
#define SYSTICKNS (1000000000 / SYSTICKHZ)
//*****************************************************************************
//
// Interrupt priority definitions. The top 3 bits of these values are
// significant with lower values indicating higher priority interrupts.
//
//*****************************************************************************
#define SYSTICK_INT_PRIORITY 0x80
#define ETHERNET_INT_PRIORITY 0xC0
//*****************************************************************************
//
//the ip of PC
//
//*****************************************************************************
#define ip_PC {192,168,0,101}
static const unsigned char pcIPAddress[]=ip_PC;
//*****************************************************************************
//
//address for Mac,IP,Mack,gateway address
//
//*****************************************************************************
#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;
//*****************************************************************************
//
//define a tcp_pcb struct for the tcp_write
//
//*****************************************************************************
static struct tcp_pcb *g_psPCB = NULL;
//*****************************************************************************
//
//a struct for the state of the pcb
//
//*****************************************************************************
typedef struct
{
unsigned long ulRetryCount;
tBoolean bCONTROLSent;
}
tAPPState;
//*****************************************************************************
//
//this function will used after the connection is builded
//
//*****************************************************************************
static err_t tcp_trans(void *arg,struct tcp_pcb *tpcb,err_t err)
{
tAPPState *pState;
pState = arg;
if((err == ERR_OK) && (test_data != NULL))
{
tcp_write(tpcb,test_data,sizeof(test_data),0);
}
if((err == ERR_OK) && (test_data == NULL))
{
//
// Close the connection.
//
mem_free(pState);
tcp_close(tpcb);
}
return ERR_OK;
}
//*****************************************************************************
//
// The interrupt handler for the SysTick interrupt.
//
//*****************************************************************************
void
SysTickIntHandler(void)
{
//
// Call the lwIP timer handler.
//
lwIPTimer(SYSTICKMS);
}
//*****************************************************************************
//
//this is the main function
//
//*****************************************************************************
int main()
{
struct ip_addr ulIPAddr,ulNetMask,ulGWAddr,pIPAddress;
struct tcp_pcb *tcp_pcb_conn;
//
// Set the system clock to run at 50MHz from the PLL.
//
SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Enable and Reset the Ethernet Controller.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);
SysCtlPeripheralReset(SYSCTL_PERIPH_ETH);
// Enable Port F for Ethernet LEDs.
// LED0 Bit 3 Output
// LED1 Bit 2 Output
//
GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);
//
// Configure SysTick for a periodic interrupt.
//
SysTickPeriodSet(SysCtlClockGet() / SYSTICKHZ);
SysTickEnable();
SysTickIntEnable();
//
// Enable processor interrupts.
//
IntMasterEnable();
//
// Initialze the lwIP library, using the stacic ip.
//
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]);
IP4_ADDR(&pIPAddress,pcIPAddress[3],pcIPAddress[2],pcIPAddress[1],pcIPAddress[0]);
lwIPInit(pucMACAddress,ulIPAddr.addr, ulNetMask.addr, ulGWAddr.addr, IPADDR_USE_STATIC);
//
//create a TCP connection betweent LM and PC
//
tcp_pcb_conn=tcp_new();
tcp_bind (tcp_pcb_conn,&ulIPAddr, 1026);
tcp_connect(tcp_pcb_conn,&pIPAddress,1026,tcp_trans);
while(1)
{
}
}
程序如上，但测试时，上位机无法接受。。麻烦各位帮忙看看，谢谢！
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;
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
;
;******************************************************************************
Stack EQU 0x00000100
;******************************************************************************
;
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
;
;******************************************************************************
Heap EQU 0x00000000
;******************************************************************************
;
; Allocate space for the stack.
;
;******************************************************************************
AREA STACK, NOINIT, READWRITE, ALIGN=3
StackMem
SPACE Stack
__initial_sp
;******************************************************************************
;
; Allocate space for the heap.
;
;******************************************************************************
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
HeapMem
SPACE Heap
__heap_limit
;******************************************************************************
;
; Indicate that the code in this file preserves 8-byte alignment of the stack.
;
;******************************************************************************
PRESERVE8
;******************************************************************************
;
; Place code into the reset code section.
;
;******************************************************************************
AREA RESET, CODE, READONLY
THUMB
;******************************************************************************
;
; External declarations for the interrupt handlers used by the application.
;
;******************************************************************************
EXTERN lwIPEthernetIntHandler
EXTERN SysTickIntHandler
;******************************************************************************
;
; The vector table.
;
;******************************************************************************
EXPORT __Vectors
__Vectors
DCD StackMem + Stack ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NmiSR ; NMI Handler
DCD FaultISR ; Hard Fault Handler
DCD IntDefaultHandler ; MPU Fault Handler
DCD IntDefaultHandler ; Bus Fault Handler
DCD IntDefaultHandler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD IntDefaultHandler ; SVCall Handler
DCD IntDefaultHandler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD IntDefaultHandler ; PendSV Handler
DCD SysTickIntHandler ; SysTick Handler
DCD IntDefaultHandler ; GPIO Port A
DCD IntDefaultHandler ; GPIO Port B
DCD IntDefaultHandler ; GPIO Port C
DCD IntDefaultHandler ; GPIO Port D
DCD IntDefaultHandler ; GPIO Port E
DCD IntDefaultHandler ; UART0
DCD IntDefaultHandler ; UART1
DCD IntDefaultHandler ; SSI
DCD IntDefaultHandler ; I2C
DCD IntDefaultHandler ; PWM Fault
DCD IntDefaultHandler ; PWM Generator 0
DCD IntDefaultHandler ; PWM Generator 1
DCD IntDefaultHandler ; PWM Generator 2
DCD IntDefaultHandler ; Quadrature Encoder
DCD IntDefaultHandler ; ADC Sequence 0
DCD IntDefaultHandler ; ADC Sequence 1
DCD IntDefaultHandler ; ADC Sequence 2
DCD IntDefaultHandler ; ADC Sequence 3
DCD IntDefaultHandler ; Watchdog
DCD IntDefaultHandler ; Timer 0A
DCD IntDefaultHandler ; Timer 0B
DCD IntDefaultHandler ; Timer 1A
DCD IntDefaultHandler ; Timer 1B
DCD IntDefaultHandler ; Timer 2A
DCD IntDefaultHandler ; Timer 2B
DCD IntDefaultHandler ; Comp 0
DCD IntDefaultHandler ; Comp 1
DCD IntDefaultHandler ; Comp 2
DCD IntDefaultHandler ; System Control
DCD IntDefaultHandler ; Flash Control
DCD IntDefaultHandler ; GPIO Port F
DCD IntDefaultHandler ; GPIO Port G
DCD IntDefaultHandler ; GPIO Port H
DCD IntDefaultHandler ; UART2 Rx and Tx
DCD IntDefaultHandler ; SSI1 Rx and Tx
DCD IntDefaultHandler ; Timer 3 subtimer A
DCD IntDefaultHandler ; Timer 3 subtimer B
DCD IntDefaultHandler ; I2C1 Master and Slave
DCD IntDefaultHandler ; Quadrature Encoder 1
DCD IntDefaultHandler ; CAN0
DCD IntDefaultHandler ; CAN1
DCD IntDefaultHandler ; CAN2
DCD lwIPEthernetIntHandler ; Ethernet
DCD IntDefaultHandler ; Hibernate
DCD IntDefaultHandler ; USB0
DCD IntDefaultHandler ; PWM Generator 3
DCD IntDefaultHandler ; uDMA Software Transfer
DCD IntDefaultHandler ; uDMA Error
;******************************************************************************
;
; This is the code that gets called when the processor first starts execution
; following a reset event.
;
;******************************************************************************
EXPORT Reset_Handler
Reset_Handler
;
; Call the C library enty point that handles startup. This will copy
; the .data section initializers from flash to SRAM and zero fill the
; .bss section.
;
IMPORT __main
B __main
;******************************************************************************
;
; This is the code that gets called when the processor receives a NMI. This
; simply enters an infinite loop, preserving the system state for examination
; by a debugger.
;
;******************************************************************************
NmiSR
B NmiSR
;******************************************************************************
;
; This is the code that gets called when the processor receives a fault
; interrupt. This simply enters an infinite loop, preserving the system state
; for examination by a debugger.
;
;******************************************************************************
FaultISR
B FaultISR
;******************************************************************************
;
; This is the code that gets called when the processor receives an unexpected
; interrupt. This simply enters an infinite loop, preserving the system state
; for examination by a debugger.
;
;******************************************************************************
IntDefaultHandler
B IntDefaultHandler
;******************************************************************************
;
; Make sure the end of this section is aligned.
;
;******************************************************************************
ALIGN
;******************************************************************************
;
; Some code in the normal code section for initializing the heap and stack.
;
;******************************************************************************
AREA |.text|, CODE, READONLY
;******************************************************************************
;
; The function expected of the C library startup code for defining the stack
; and heap memory locations. For the C library version of the startup code,
; provide this function so that the C library initialization code can find out
; the location of the stack and heap.
;
;******************************************************************************
IF :DEF: __MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, =HeapMem
LDR R1, =(StackMem + Stack)
LDR R2, =(HeapMem + Heap)
LDR R3, =StackMem
BX LR
ENDIF
;******************************************************************************
;
; Make sure the end of this section is aligned.
;
;******************************************************************************
ALIGN
;******************************************************************************
;
; Tell the assembler that we're done.
;
;******************************************************************************
END
这是startup.s
改为 Stack EQU 0x00000400 至少
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