setmode.c

凌阳MP3 spSPCA755yuanma

/*++

Copyright (c) 2001 Sunplus Technology Co., Ltd.

Module Name:

        setmode.c

Abstract:

        Module related to mode setup

Environment:

        Keil C51 Compiler

Revision History:

        08/28/2001      Chi-Yeh Tsai    created

--*/

//=============================================================================
//Header file
//=============================================================================
#include "general.h"
#include "setmode.h"
#include "main.h"

//=============================================================================
//Symbol
//=============================================================================
//-----------------------------------------------------------------------------
//Constant
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
//Variable
//-----------------------------------------------------------------------------

//=============================================================================
//Program
//=============================================================================

//-----------------------------------------------------------------------------
//SETMODE_WaitDmaCompletion
//-----------------------------------------------------------------------------
void SETMODE_WaitDmaCompletion(void) USING_1
/*++

Routine Description:

        wait DMA completion

Arguments:

        none

Return Value:

        none

--*/
{
        UCHAR complete;
        ULONG timeoutCount = 0;

        while (1)
        {
                L2_CheckDMACmp(&complete);

                if (complete)
                {
                        break;
                }
                else
                {
                        timeoutCount++;
                        if (timeoutCount > K_TimeoutLimit)
                        {
                                L2_ResetDMA();
                                break;
                        }
                }
        }
}