evm5509_dip.c

dsp 5509a MMC 卡 ID号读取 12Mhzx16=192M

/*
 *  Copyright 2002 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 */
 
/*
 *  ======== evm5509_dip.c ========
 *  DIP switch module for the EVM5509
 */

#include <csl.h>

#include <evm5509.h>
#include <evm5509_dip.h>

void EVM5509_DIP_init()
{
}

Uint32 EVM5509_DIP_get(Uint32 dipNum)
{
    /* Check bounds for dipNum */
    if (dipNum >= 4)
        return;
        
    /* Read DIP switch */
    if ((EVM5509_rget(EVM5509_USER_REG) & (0x10 << dipNum)) == 0)
        return 0;
    else
        return 1;
}