新建 文本文档.txt

ＤＳＰ内核代码

/*********************************************************************
 * S1L1.c - (Section 1, Lesson 1) SENDING AN INTEGER TO THE HOST
 *          This is the RTDX Target Code for Section 1, Lesson 1
 *
 * This example sends integer value 5 to the host
 ********************************************************************/

/*********************************************************************
 * Insert code from Step #2 here - to include the rtdx header file,
 *                                 which defines the RTDX target API
 ********************************************************************/

#include <std.h>
#include <rtdx.h>
#include"target.h"    /* defines TARGET_INITIALIZE()              */
#include <stdio.h>      /* C_I/O                                    */
#include <log.h>
#include "rtdxbioscfg.h"
/* This is the value we are going to send to the host               */

int arraydata[];
const int number=32;
void main()
{

        int status;

        TARGET_INITIALIZE();

/*使能输入、输出通道*/
         RTDX_enableInput(&ichan);
         RTDX_enableOutput(&ochan);
/*从输入管道中读数据*/

        status=RTDX_read(&ichan,&arraydata,sizeof(int));
        
        if (status!=sizeof(int)) 
        {
               LOG_printf(&trace, "ERROR: RTDX_read failed!\n" );
               exit( -1 );
        }
/*向输出管道中写数据*/
        
        status=RTDX_write(&ochan,&arraydata,sizeof(int));


        if ( status == 0 ) {
                LOG_printf(&trace,"ERROR: RTDX_write failed!\n" );
                exit( -1 );
        }
        LOG_printf(&trace,"has been writed to the host");
        
        while ( RTDX_writing != NULL ) 
        {
                #if RTDX_POLLING_IMPLEMENTATION
                    RTDX_Poll();
                #endif
        }


        /*关闭输入和输出通道*/   
        RTDX_disableInput(&ichan);                            
        RTDX_disableOutput(&ochan);

        LOG_printf(&trace, "Program Complete!\n" );
        exit(-1);
}