uart_control.c

Uart source in CCS 3.3 C5507

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distribution.
 */

/*
 *  UART Test
 *
 */

#include "davincievm_uart.h"

Uint8  tx[256];//rx[256],

/* ------------------------------------------------------------------------ *
 *                                                                          *
 *  uart_test( )                                                            *
 *                                                                          *
 * ------------------------------------------------------------------------ */
Int16 uart_control()
{
    Int16 i, errors = 0;
    UART_Handle UartHandle;

    UartHandle = DAVINCIEVM_UART_open( 0, 115200 );

    if ( UartHandle == ( UART_Handle )-1 )
        return 1;

    /* Pre configure the buffers */
  
        tx[1] = 73 & 0xff;
        tx[2] = 82 & 0xff;
        tx[3] = 87 & 0xff;
        tx[4] = 65 & 0xff;
        tx[5] = 86 & 0xff;
        tx[6] = 69 & 0xff;
        tx[7] = 33 & 0xff;
        tx[8] = 33 & 0xff;
                  
    for ( i = 0 ; i < 8 ; i++ )
    {
        /* TX */
      //  while( DAVINCIEVM_UART_xmtReady( UartHandle ) );    // Check for TX ready
        DAVINCIEVM_UART_putChar( UartHandle, tx[i] );       // TX 1 byte
	}

        /* RX */
    //    while( DAVINCIEVM_UART_rcvReady( UartHandle ) );    // Check for Rx ready
    //    DAVINCIEVM_UART_getChar( UartHandle, &rx[i] );      // RX 1 byte
    //}
    

    /* Compare TX & RX */
   // for ( i = 0 ; i < 0x100 ; i++ )
  //      if ( tx[i] != rx[i] )
   //         errors++;

    return errors;
}