資源簡介
MSP430F149單片機模擬IIC和DS18B20通信進行測試溫度里程
代碼片段和文件信息
#include
#define?uchar?unsigned?char
#define?uint?unsigned?int
#define?CPU_F?((double)8000000)?
#define?delayus(x)?__delay_cycles((long)(CPU_F*(double)x/1000000.0))?
#define?delayms(x)?__delay_cycles((long)(CPU_F*(double)x/1000.0))?
//ds18b20?ROM命令宏定義
#define?readrom??0x33
#define?matchrom?0x55
#define?searchrom?0xf0
#define?skiprom???0xcc
//ds18b20??RAM命令宏定義
#define?tempretuerchangram?0x44
#define?readram????0xbe
#define?writeram???0x4e
//延時函數
/*void?delayus(int?time)
{?
??int?m;
??for(m=time;m>0;m--)
????;
??
}*/
//輸出一位
void?Outp(int?databyte)
{
???P2DIR=0X01;
???P2OUT=databyte;
}
//輸入一位
int?Inp()
{
???P2DIR=0X00;
???return?(P2IN&0x01);
}
//向單總線寫一位數據
void?Wirewritebit(uchar?bit0)
{
???if(bit0)???????????????????//寫1
???{
?????
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????50208??2012-02-16?14:23??DS18B20\ds18b20.ewp
?????文件????????886??2012-02-19?18:46??DS18B20\settings\ds18b20.cspy.bat
?????文件???????3034??2012-02-19?19:00??DS18B20\settings\ds18b20.ewp.wsdt
?????文件????????769??2012-02-19?19:00??DS18B20\settings\ds18b20.dni
?????文件???????5683??2012-02-19?19:00??DS18B20\settings\ds18b20.dbgdt
?????文件??????24347??2012-02-16?14:20??DS18B20\Debug\Exe\ds18b20.d43
?????文件???????7168??2012-02-19?19:00??DS18B20\Debug\Exe\ds18b20.txt
?????文件????????124??2012-02-19?19:00??DS18B20\Debug\Obj\ds18b20.pbd
?????文件??????34958??2012-02-19?19:00??DS18B20\Debug\Obj\main.r43
?????文件????????161??2012-02-15?19:24??DS18B20\ds18b20.ewp.eww
?????文件???????2435??2012-02-19?19:00??DS18B20\ds18b20.dep
?????文件???????2644??2012-02-18?11:11??DS18B20\ds18b20.c
?????文件????????916??2012-02-18?11:12??DS18B20\main.c
?????文件???????2158??2012-02-19?19:00??DS18B20\yejing.c
?????目錄??????????0??2012-02-15?19:22??DS18B20\Debug\Exe
?????目錄??????????0??2012-02-15?19:22??DS18B20\Debug\Obj
?????目錄??????????0??2012-02-15?19:22??DS18B20\Debug\List
?????目錄??????????0??2012-02-15?19:22??DS18B20\settings
?????目錄??????????0??2012-02-15?19:22??DS18B20\Debug
?????目錄??????????0??2012-02-15?13:30??DS18B20
-----------?---------??----------?-----??----
???????????????135491????????????????????20
- 上一篇:XTR115 典型應用電路原理圖
- 下一篇:基于LABVIEW的數字濾波器
評論
共有 條評論