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46 lines
2.0 KiB
C
46 lines
2.0 KiB
C
/****************************************Copyright (c)****************************************************
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**
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** File name: dht11.h
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** Created by: xxx
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** Created date: 2020-10-16
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** Version: v1.0
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** Descriptions: The original
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**
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*********************************************************************************************************/
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#ifndef __DHT11_H__
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#define __DHT11_H__
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#include "main.h"
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/* 类型定义 ------------------------------------------------------------------*/
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/************************ DHT11 数据类型定义******************************/
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typedef struct
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{
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uint8_t humi_high8bit; //原始数据：湿度高8位
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uint8_t humi_low8bit; //原始数据：湿度低8位
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uint8_t temp_high8bit; //原始数据：温度高8位
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uint8_t temp_low8bit; //原始数据：温度高8位
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uint8_t check_sum; //校验和
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float humidity; //实际湿度
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float temperature; //实际温度
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} DHT11_Data_TypeDef;
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/* 宏定义 -------------------------------------------------------------------*/
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/*********************** DHT11 连接引脚定义 **************************/
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#define DHT11_Dout_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
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#define DHT11_Dout_PORT GPIOB
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#define DHT11_Dout_PIN GPIO_PIN_5
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/*********************** DHT11 函数宏定义 ****************************/
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#define DHT11_Dout_LOW() HAL_GPIO_WritePin(DHT11_Dout_PORT,DHT11_Dout_PIN,GPIO_PIN_RESET)
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#define DHT11_Dout_HIGH() HAL_GPIO_WritePin(DHT11_Dout_PORT,DHT11_Dout_PIN,GPIO_PIN_SET)
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#define DHT11_Data_IN() HAL_GPIO_ReadPin(DHT11_Dout_PORT,DHT11_Dout_PIN)
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/* 扩展变量 ------------------------------------------------------------------*/
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/* 函数声明 ------------------------------------------------------------------*/
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void dht11_init( void );
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uint8_t dht11_get_tempHumi(DHT11_Data_TypeDef * DHT11_Data);
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#endif
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