#include?
#include?
#include?
#define?uint?unsigned?int
#define?uchar?unsigned?char


sbit?CPU_CLK=P1^0;
sbit?SCLK=P3^5;
sbit?Dout=P3^3;

//24位的數據分別存放于ads_data3/ads_data2/ads_data1
unsigned?char?idata?ads_data3;?//define?variable?in?internal?RAM
unsigned?char?idata?ads_data2;?//define?variable?in?internal?RAM
unsigned?char?idata?ads_data1;?//define?variable?in?internal?RAM

void?Read_chip（void）;

void?main（void）
{?
unsigned?long?int?a=0;
uint?j=0;?
while（1）?
{
_nop_（）;
Read_chip（）;?
?
UART_init（）;						?//初始化串口
??if（point==10）						?//判斷數據是否接收完成
??checkdata=CLU_checkdata;			?//調用求校驗和函數
??if（checkdata==buffer[9]）			?????//判斷校驗和是否正確
??COM_send（）;
?????????????						?//正確則調用發送程序

point=0;




a+=ads_data3;?
a=（a<<8）;
a+=ads_data2;
a=（a<<8）;
a+=ads_data1;
_nop_（）;

}
}

void?Read_chip（void）
{
unsigned?char?data?i;
unsigned?char?data?temp1;
//?temp1=0x01;
temp1=0x80;?

SCLK=0;
CPU_CLK=0;
//DRDY?模式?
for（i=0;i<48;i++）?CPU_CLK=~CPU_CLK;?//t4
for（i=0;i<12;i++）?CPU_CLK=~CPU_CLK;?//t2
for（i=0;i<12;i++）?CPU_CLK=~CPU_CLK;?//t3
//DOUT?模式?
//在SCLK?的下降沿獲取數據?
//?CPU_CLK=1;
//?CPU_CLK=0;
SCLK=1;
CPU_CLK=1;
CPU_CLK=0;
SCLK=0;?//++++++
if（Dout==1）?ads_data3+=temp1;?
temp1=（temp1>>1）;
for（i=0;i<7;i++）
{?
SCLK=1;
//?SCLK=0;
CPU_CLK=1;
CPU_CLK=0;
CPU_CLK=1;
CPU_CLK=0;
//?SCLK=1;
SCLK=0;
CPU_CLK=1;
CPU_CLK=0;?
if（Dout==1）?ads_data3+=temp1;
//?temp1=（temp1<<1）;
//?ads_data3=（ads_data3<<1）;
CPU_CLK=1;
CPU_CLK=0;
temp1=（temp1>>1）;
}
//?temp1=0x01;
temp1=0x80;
for（i=0;i<8;i++）
{?
SCLK=1;
//?SCLK=0;
CPU_CLK=1;
CPU_CLK=0;
CPU_CLK=1;
CPU_CLK=0;
//?SCLK=1;
SCLK=0;
CPU_CLK=1;
CPU_CLK=0;?
if（Dout==1）?ads_data2+=temp1;
//?temp1=（temp1<<1）;
//?ads_data3=（ads_data2<<1）;
CPU_CLK=1;
CPU_CLK=0;
temp1=（temp1>>1）;
}
//?temp1=0x01;
temp1=0x80;
for（i=0;i<8;i++）
{?
SCLK=1;
//?SCLK=0;
CPU_CLK=1;
CPU_CLK=0;
CPU_CLK=1;
CPU_CLK=0;
//?SCLK=1;
SCLK=0;
CPU_CLK=1;
CPU_CLK=0;?
if（Dout==1）?ads_data1+=temp1;
//?temp1=（temp1<<1）;
//?ads_data3=（ads_data1<<1）;
CPU_CLK=1;
CPU_CLK=0;
temp1=（temp1>>1）;
}
SCLK=0;
for（i=0;i<176;i++）
CPU_CLK=~CPU_CLK;
for（i=0;i<176;i++）
CPU_CLK=~CPU_CLK;
for（i=0;i<176;i++）
CPU_CLK=~CPU_CLK;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2331??2006-09-10?13:30??ads1252\ads1252.c

?????文件?????????62??2006-09-05?16:22??ads1252\ads1252.lnp

?????文件???????5390??2006-09-10?13:30??ads1252\ads1252.LST

?????文件???????8282??2006-09-05?16:22??ads1252\ads1252.M51

?????文件???????1030??2006-09-10?13:31??ads1252\ads1252.Opt

?????文件????????231??2006-09-10?13:41??ads1252\ads1252.plg

?????文件???????2154??2006-09-10?13:31??ads1252\ads1252.Uv2

????.......??????1029??2006-09-05?16:24??ads1252\ads1252_Opt.Bak

????.......??????2154??2006-09-05?16:24??ads1252\ads1252_Uv2.Bak

?????文件???????6376??2005-03-22?15:22??ads1252\STARTUP.A51

?????文件??????14051??2006-09-10?13:30??ads1252\STARTUP.LST

?????文件????????758??2006-09-10?13:30??ads1252\STARTUP.OBJ

?????目錄??????????0??2006-09-10?13:31??ads1252

-----------?---------??----------?-----??----

????????????????44066????????????????????14