unsigned char data data_item=0
unsigned int rece_num=0
/*****************************************************************************************
*函数名称：void receive()interrupt 4
*函数功能：时间提取
*入口函数：无
*出口函数：无
*****************************************************************************************/
void receive()interrupt 4 //串行中断
{
unsigned char temp;
RI=0;
temp=SBUF;
rece_num++;
switch (data_item)
{
case 0: if(temp==$)
data_item++;
break;
case 1: if(temp=='G')
data_item++;
else
data_item=0;
break;
case 2: if(temp=='P')
data_item++;
else
data_item=0;
break;
case 3: if(temp=='R')
data_item++;
else
data_item=0;
break;
case 4: if(temp=='M')
data_item++;
else
data_item=0;
break;
case 5: if(temp=='C')
data_item++;
else
data_item=0;
break;
case 6: if(temp==',')
{
data_item++;
g_Ptr=0;
g_Class=0;
g_DataVari=1;
}
else
data_item=0;
break;
case 7: if(temp==',')
{
g_Ptr=0;
g_Class++;
break;
}
if(temp=='$')
{
data_item=1;
break;
}
switch(g_Class)
{
case 0: //提取时间数据
if(g_Ptr<6)
g_DisTime[g_Ptr++]=temp;
break;
}
default:
break;
}
}
