pcdwritee2.c

RC500的C库函数

#include<reg52.h>
#include<rc500.h>

char PcdWriteE2(uint startaddr,uchar length,uchar *writedata)
{
    char status;
    char i;
    idata struct TranSciveBuffer{uchar MfCommand;
                                 uchar MfLength;
                                 uchar MfData[19];
                                }MfComData;
    struct TranSciveBuffer *pi;
    pi=&MfComData;

    MfComData.MfCommand=PCD_WRITEE2;
    MfComData.MfLength=length+2;
    MfComData.MfData[0]=startaddr&0xff;
    MfComData.MfData[1]=(startaddr>>8)&0xff;
    for(i=0;i<length;i++)
    {
        MfComData.MfData[i+2]=*(writedata+i);
    }
    status=PcdComTransceive(pi);
    return status;
}