eg1.c

自已写的lwip+ucos程序已调通

/*
 * File:        example1.c
 *
 * uC/OS Real-time multitasking kernel for the ARM processor.
 *
 * Simple example of using multiple tasks and mailboxes.
 *
 * Created by Marco Graziano ([e-mail]).
 *
 */

#include	"../includes.h"               /* uC/OS interface */
#include "../arm44box/Keyboard16.h"
#include "../arm44box/8led.h"
#include "../uhal/uhal.h"


#include    "Sems.h"
#include    "LWIP_Main.h"





/* allocate memory for tasks' stacks */
#ifdef SEMIHOSTED
#define	STACKSIZE	(64+SEMIHOSTED_STACK_NEEDS)
#else
#define	STACKSIZE	256
#endif
OS_STK Stack1[STACKSIZE*5]= {0, };
OS_STK Stack2[STACKSIZE]= {0, };
OS_STK Stack3[STACKSIZE]= {0, };
OS_STK Stack4[STACKSIZE]= {0, };
//OS_STK Stack5[STACKSIZE]= {0, };
/* mailbox event control blocks */
OS_EVENT *Mbox1;
OS_EVENT *Mbox2;
OS_EVENT *Mbox3;
OS_EVENT *Mbox4;
OS_EVENT *UART_RW_SEM;

OS_EVENT	*ConsoleSem;


/*
OSSemPend(UART_RW_SEM,0,&err);
OSSemPost(UART_RW_SEM);
UART_RW_SEM=OSSemCreate(1);
*/

char PassMsg[] = "5678";

INT8U  sdbuf[8]={0XFF,0X00,0X32,0X32,0X31,0X40,0X40,0X40};
INT8U  d_key;
INT8U   KKK;


void Task2(void *Id)
{
    

    INT8U j;
    uHALr_printf("Task1() called\r\n");

    for (;;)
    {

     //    uHALr_printf("%c", *(char *)Id);
//	for(j=0;j<7;j++)
//		{Uart_SendByte(sdbuf[j]);}
	OSTimeDly(3000); 
    }
}


void  Task3(void *Id)
{
   
   
	INT32U j;

    uHALr_printf("Task2() called\r\n");


    while(1)
    {    
	j++;
	//uHALr_printf("%c", *(char *)Id);
uHALr_printf("%d ****\r",j);
	//uHALr_printf("%d", j);
	//d_key=get_ch();
	//if(d_key!=0){
	//	    onkey(d_key);
	//	   }	

    	 OSTimeDly(300);   
    }
    
}

void Task4(void *Id)
{
   
    uHALr_printf("  Task%c Called.\n", *(char *)Id);
  

    OSTaskCreate(LWIP_main, (void *)0, (OS_STK *)&Stack1[STACKSIZE*5-1], 1);
    uHALr_printf("LWIP Main Created!\r\n");	
    
	while(1)
	{

	    // uHALr_printf("  Task%c Called.\n", *(char *)Id);
		OSTimeDly(5000);
		
	}
}





/*
 * Main function.
 */

int Main(int argc, char **argv)
{
    char Id2 = '2';
    char Id3 = '3';
    char Id4 = '4';


    /* do target (uHAL based ARM system) initialisation */
	ARMTargetInit();

    /* needed by uC/OS */
	OSInit();

	uHALr_ResetMMU();

    /* 
     * create the first mailbox in the pipeline with a message 
     * in it to get the first task started.
     */
 //   Mbox1 = OSMboxCreate(PassMsg);

    /* create the remaining mailboxes empty */
   // Mbox2 = OSMboxCreate((void *)0);
  
    /* 
     * create the tasks in uC/OS and assign increasing
     * priorities to them so that Task3 at the end of
     * the pipeline has the highest priority.
     */
	ConsoleSem = OSSemCreate(1);


	OSTaskCreate(Task2, (void *)&Id2, (OS_STK *)&Stack2[STACKSIZE - 1], 2);
	OSTaskCreate(Task3, (void *)&Id3, (OS_STK *)&Stack3[STACKSIZE - 1], 3);
	OSTaskCreate(Task4, (void *)&Id4, (OS_STK *)&Stack4[STACKSIZE - 1], 4);
	


    /* Start the (uHAL based ARM system) system running */
    ARMTargetStart();

    /* start the game */
    OSStart();

    /* never reached */
	return 0;
}                               /* main */