//ADS1252?參考程序?（2007-08-09?23:57:08）
?
#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