写一个读取方法,方法名为DHT11.cpp
实现方法如下:
#include "DHT11.h"
void DHT11::read(int pin)
{
uint8_t bits[5];
uint8_t cnt = 7;
uint8_t idx = 0;
for (int i=0; i< 5; i++) bits[i] = 0;
delay(200);
pinMode(pin, OUTPUT);
digitalWrite(pin, LOW);
delay(18);
digitalWrite(pin, HIGH);