gejanssen/rpi_dht22

dht22 for Raspberry pi (C)

Driver for DHT22/AM2302 Temperature and humidity sensors on Raspberry Pi

• Forked from technion/lol_dht22
• Based on dht11.c (license unknown).
• Requires wiringPi library.

Install and Usage

./configure
make
sudo ./rpi_dht22 pin1 [pin2...]
Pin = 7, Humidity = 55.4 %, Temperature = 16.6 °C


Or do a :

gej@rpi-b ~/rpi_dht22 $ ./read_dht22.sh 
Data not good, skip
Data not good, skip
Pin = 4, Humidity = 43.9 %, Temperature = 19.7 °C
gej@rpi-b ~/rpi_dht22 $

License

Public domain. Do what you want. No warranties.

Options

./configure options:

• --disable-silent-rules Show the make process (silent by default)
• --disable-secure Disable compile with FORTIY_SOURCE and stack-protector (enabled by default)
• --enable-development Compile with -g -O0 -Wall. Applies disable-secure automatically

autogen.sh: Autoconf boostrap. Development use only.