s4l3.c

TMS320c6000系列dsp软件模拟器在集成开发环境CCS中应用实例

/*********************************************************************
 * S4L3.c - (Section 4, Lesson 3) SENDING STRUCTURED DATA
 *          This is the RTDX Target Code for Section 4, Lesson 3
 *
 * This example sends a structure of 3 integers, with values 1,2 & 3
 * to the host.
 ********************************************************************/
 
#include <rtdx.h>       /* defines RTDX target API calls            */
#include "target.h"     /* defines TARGET_INITIALIZE()              */
#include <stdio.h>      /* C_I/O                                    */


/* These are the values we are going to send to the host            */
#define VALUE_FOR_SDATA1 1
#define VALUE_FOR_SDATA2 2
#define VALUE_FOR_SDATA3 3

/*********************************************************************
 * Insert code from Step #2 here - to declare a structure of 3
 *                                 integers
 ********************************************************************/
struct {
        int s_data1;
        int s_data2;
        int s_data3;
}mystruct;

/* declare a global output an channel                               */
RTDX_CreateOutputChannel( ochan );

 
void main()
{
        int status;

        mystruct.s_data1 = VALUE_FOR_SDATA1;
        mystruct.s_data2 = VALUE_FOR_SDATA2;
        mystruct.s_data3 = VALUE_FOR_SDATA3;

        TARGET_INITIALIZE();

        /* enable the output channel                                */
        RTDX_enableOutput( &ochan );

        /*************************************************************
         * Insert code from Step #3 here - to send the structure to
         *                                 the host
         ************************************************************/ 
        status = RTDX_write( &ochan, &mystruct, sizeof(mystruct) );

        if ( status == 0 ) {
                puts( "ERROR: RTDX_write failed!\n" );
                exit( -1 );
        }

        while ( RTDX_writing != NULL ) {
#if RTDX_POLLING_IMPLEMENTATION
                RTDX_Poll();
#endif
        }

        /* disable the output channel                               */
        RTDX_disableOutput( &ochan );
	
        puts( "Program Complete!\n" );
}