資源簡介
國賽,準備的小項目,用于擴展傳感器的數量,節省I/O口
,實驗OK!推薦下載。100分

代碼片段和文件信息
//===============================================
//模 塊:智能小車(傳感器輸入模塊)
//程 序:74HC165?并入串出程序
//署 名:張先永
//時 間:2009年?8月?31號??距離比賽還有2天!!
//備 注:加油!!!
//===============================================
#include?“at89x52.h“
#include?“delay.h“
#define?HC165_CLK???P3_1
#define?HC165_SL????P3_3
#define?HC165_Data??P3_2
uchar?Read_74HC165(void)
{
uchar?Temp_Datai;
HC165_SL=0; ??//數據鎖存無效
HC165_SL=1; ??//允許移位輸出
Temp_Data=0;
for(i=0;i<8;i++)
{
Temp_Data<<=1;
if(HC165_Data==1)
{
Temp_Data|=0X01;
}
HC165_CLK=0;
??? HC165_CLK=1;
}
return?Temp_Data;
}
void?main()
{
while(1)
{
P1=Read_74HC165();
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????89994??2009-08-31?09:04??74HC165\165.jpg
?????文件????????725??2009-08-31?09:21??74HC165\74hc165\165.c
?????文件???????2271??2009-08-31?09:21??74HC165\74hc165\165.LST
?????文件???????3626??2009-08-31?09:21??74HC165\74hc165\165.OBJ
?????文件??????91110??2009-08-30?21:31??74HC165\74hc165\74HC165.DSN
?????文件???????4130??2009-08-31?09:21??74HC165\74hc165\HC164
?????文件????????187??2009-08-31?09:21??74HC165\74hc165\HC164.hex
?????文件?????????56??2009-08-31?09:21??74HC165\74hc165\HC164.lnp
?????文件???????4570??2009-08-31?09:21??74HC165\74hc165\HC164.M51
?????文件???????1041??2009-08-31?09:36??74HC165\74hc165\HC164.Opt
?????文件???????4150??2009-08-31?09:21??74HC165\74hc165\HC164.plg
?????文件???????2194??2009-08-30?21:44??74HC165\74hc165\HC164.Uv2
????.......??????1039??2009-08-30?21:44??74HC165\74hc165\HC164_Opt.Bak
????.......?????????0??2009-08-30?20:48??74HC165\74hc165\HC164_Uv2.Bak
?????文件???????6376??2005-03-22?15:22??74HC165\74hc165\STARTUP.A51
?????文件??????14063??2009-08-31?09:21??74HC165\74hc165\STARTUP.LST
?????文件????????749??2009-08-31?09:21??74HC165\74hc165\STARTUP.OBJ
?????目錄??????????0??2009-08-31?09:37??74HC165\74hc165
?????目錄??????????0??2009-08-31?09:37??74HC165
-----------?---------??----------?-----??----
???????????????226281????????????????????19
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