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56 lines
1.6 KiB
56 lines
1.6 KiB
3 years ago
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/*
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* @Author: your name
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* @Date: 2022-04-10 12:08:03
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* @LastEditTime: 2022-04-13 02:13:14
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* @LastEditors: your name
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* @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
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* @FilePath: \20220410-IntelligentPiggery\stm32\HARDWARE\DS18B20\ds18b20.h
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*/
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#ifndef __DS18B20_H
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#define __DS18B20_H
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#include "sys.h"
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//////////////////////////////////////////////////////////////////////////////////
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//本程序只供学习使用，未经作者许可，不得用于其它任何用途
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//ALIENTEK MiniSTM32开发板
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//DS18B20驱动代码
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//正点原子@ALIENTEK
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//技术论坛:www.openedv.com
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//修改日期:2014/3/12
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//版本：V1.0
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//版权所有，盗版必究。
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//Copyright(C) 广州市星翼电子科技有限公司 2009-2019
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//All rights reserved
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//////////////////////////////////////////////////////////////////////////////////
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//IO方向设置
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#define DS18B20_IO_IN() {GPIOA->CRL&=0XFFFFFFF0;GPIOA->CRL|=8<<0;}
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#define DS18B20_IO_OUT() {GPIOA->CRL&=0XFFFFFFF0;GPIOA->CRL|=3<<0;}
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////IO操作函数
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#define DS18B20_DQ_OUT PAout(0) //数据端口 PA0
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#define DS18B20_DQ_IN PAin(0) //数据端口 PA0
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u8 DS18B20_Init(void); //初始化DS18B20
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short DS18B20_Get_Temp(void); //获取温度
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void DS18B20_Start(void); //开始温度转换
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void DS18B20_Write_Byte(u8 dat);//写入一个字节
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u8 DS18B20_Read_Byte(void); //读出一个字节
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u8 DS18B20_Read_Bit(void); //读出一个位
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u8 DS18B20_Check(void); //检测是否存在DS18B20
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void DS18B20_Rst(void); //复位DS18B20
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#endif
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