s1l1.c

来自「TMS320VC5416 实现主从机通信的C语言程序」· C语言 代码 · 共 67 行

/*********************************************************************
 * 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 <rtdx.h>
#include "target.h"     /* defines TARGET_INITIALIZE()              */
#include <stdio.h>      /* C_I/O                                    */

/* This is the value we are going to send to the host               */
#define VALUE_TO_SEND 5

/*********************************************************************
 * Insert code from Step #3 here - to declare a global output channel
 ********************************************************************/
RTDX_CreateOutputChannel( ochan );
 
void main()
{
        int data = VALUE_TO_SEND;
        int status;

        //TARGET_INITIALIZE();

        /*************************************************************
         * Insert code from Step #5 here - to enable the output
         *                                 channel
         ************************************************************/



        /*************************************************************
         * Insert code from Step #6 here - to send the data to
         *                                 the host
         ************************************************************/
        RTDX_enableOutput( &ochan );
        status = RTDX_write( &ochan, &data, sizeof(data) );



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

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

        /*************************************************************
         * Insert code from Step #7 here - to disable the output
         *                                 channel
         ************************************************************/
        RTDX_disableOutput( &ochan );

        puts( "Program Complete!\n" );
}