main.c

这是基于TI公司的DSP TMS320DM642而开发的TCP/UDP协议

#include "Ethernet\netsocket.h"

SOCKET              m_hSocket;


void     RcvFromNet();
Uint8    Data[100];


TIMER_Handle hTimer1;
Uint16 eventId1;

TIMER_Config timerCfg1 = {
    TIMER_FMKS(CTL, INVINP, NO)             |
    TIMER_FMKS(CTL, CLKSRC, CPUOVR8)        |
    TIMER_FMKS(CTL, CP, PULSE)              |
    TIMER_FMKS(CTL, HLD, YES)               |
    TIMER_FMKS(CTL, GO, NO)                 |
    TIMER_FMKS(CTL, PWID, ONE)              |
    TIMER_FMKS(CTL, DATOUT, 0)              |
    TIMER_FMKS(CTL, INVOUT, NO)             |
    TIMER_FMKS(CTL, FUNC, TOUT),
    
    TIMER_FMKS(PRD, PRD, OF(750000)),
    TIMER_FMKS(CNT, CNT, OF(0))
};
void InitTimer()
{
    /* Open the timer */
    hTimer1 = TIMER_open(TIMER_DEV1, TIMER_OPEN_RESET);
    /* Configure the timer in one-shot mode */
    TIMER_config(hTimer1, &timerCfg1);
    /* Get Event Id associated with Timer 1, for use with */
    /* CSL interrupt enable functions.                    */         
    eventId1 = TIMER_getEventId(hTimer1);
    
    /* Map the logical event to a physical interrupt */
    IRQ_map(eventId1, 15);
	/* Clear any pending Timer interrupts */
    IRQ_reset(eventId1);
	/* Enable timer interrupt */
    IRQ_enable(eventId1);
}
void main()
{
	int          i;
	Uint32       LocalIP=0xc0a86628;     //192.168.10.40	
    struct sockaddr_in  mSocketAddr;
    
    CSL_init();
    UartInit(1);
	
    net_init(LocalIP);
    InitTimer();
    
    tftp_init();
    m_hSocket=socket(AF_INET, SOCK_STREAM, TCP);
    
    mSocketAddr.sin_family=AF_INET;
    mSocketAddr.sin_addr.s_addr = INADDR_ANY; 
    mSocketAddr.sin_port=8000; 
    
    bind(m_hSocket,&mSocketAddr,sizeof(mSocketAddr));
    listen(m_hSocket,0);
//    MsgAsyncSelect(m_hSocket,FD_READ,&RcvFromNet);
    TIMER_start(hTimer1);
    
	for(i=0;i<100;i++)
	{
	   Data[i]=i;
	}
	
	
	puts("Net Test\n");
	
	while(1)
	{	   
	}
		
}

void RcvFromNet()
{   
    int     i;
    int     Len;
    int     BufLen;
    struct sockaddr_in  ClientAddr;
    
    i=recvfrom(m_hSocket, (char *)Data, 100, 0, \
                &ClientAddr,&BufLen);
                
    if(i!=-1)
    {
      	i=-1;
	    while(i==-1)
	    {
	        i=sendto (m_hSocket,Data,BufLen,0,&ClientAddr, \
	                  sizeof(ClientAddr));
	    }   
    }
    
}