35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
#ifndef __DHT11_H
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#define __DHT11_H
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#include "stm32f10x.h" // Device header
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#include "Delay.h"
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#include "FreeRTOS.h"
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#include "task.h"
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/* DHT11的设置 */
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#define DHT11_GPIO_CLK RCC_APB2Periph_GPIOB
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#define DHT11_GPIO_PORT GPIOB
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#define DHT11_GPIO_PIN GPIO_Pin_1
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/* 输出状态定义 */
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#define OUT 1
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#define IN 0
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/* 控制DHT11引脚输出高低电平 */
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#define DHT11_Low GPIO_ResetBits(DHT11_GPIO_PORT,DHT11_GPIO_PIN)
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#define DHT11_High GPIO_SetBits(DHT11_GPIO_PORT,DHT11_GPIO_PIN)
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typedef struct {
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uint8_t ucTemp;
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uint8_t ucHumi;
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} DHT11Data_t;
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void vDht11Rst(void);//复位DHT11
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uint8_t vDht11Check(void);//检测DHT11
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uint8_t vDht11ReadBit(void);//读取一位的数据
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uint8_t vDht11ReadByte(void);//读取一个字节的数据
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uint8_t vDht11ReadData(uint8_t *pucTemp,uint8_t *pucHumi);//读取温湿度数据
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uint8_t vDht11Init(void);//初始化DHT11
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void vDht11Mode(uint8_t ucMode);//DHT11引脚输出模式控制
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#endif
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