1-Wire Software

DigiTemp v3.5.0 by Brian C. Lane
Download

1. download sources

   wget http://www.digitemp.com/software/linux/digitemp-3.6.0.tar.gz

2. untar archive

   tar xzvf digitemp-3.6.0.tar.gz

3. change directory

   cd digitemp-3.6.0/

4. compile source

   make ds9097

5. copy binary

   cp ./digitemp_DS9097 /usr/local/bin/

6. create softlink

   ln -s /usr/local/bin/digitemp_DS9097 /usr/local/bin/digitemp

7. search for 1-wire sensors (walk the tree)

   digitemp -w -s /dev/ttyS0

   sample output:

       DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
       GNU Public License v2.0 - http://www.digitemp.com
       Turning off all DS2409 Couplers
       ..
       Devices on the Main LAN
       10444341020800A3 : DS1820/DS18S20/DS1920 Temperature Sensor
       28F4E539040000FD : DS18B20 Temperature Sensor

8. write config file to .digitemprc

   digitemp -q -i -s /dev/ttyS0

   sample output:

       10444341020800A3 : DS1820/DS18S20/DS1920 Temperature Sensor
       28F4E539040000FD : DS18B20 Temperature Sensor
       ROM #0 : 10444341020800A3
       ROM #1 : 28F4E539040000FD

9. edit config file

   vi .digitemprc

   .digitemprc

       TTY /dev/ttyS0
       READ_TIME 1000
       FAIL_TIME 5
       LOG_TYPE 1
       #LOG_FORMAT "%b %d %H:%M:%S Sensor %s C: %.2C F: %.2F"
       LOG_FORMAT "%Y-%m-%d %H:%M:%S Sensor_%s (%R) %.2C"
       CNT_FORMAT "%b %d %H:%M:%S Sensor %s #%n %C"
       HUM_FORMAT "%b %d %H:%M:%S Sensor %s C: %.2C F: %.2F H: %h%%"

10. request temperature from sensors

    digitemp -q -a

    sample output:

        2012-12-07 00:48:51 Sensor_0 (10444341020800A3) 20.31
        2012-12-07 00:48:52 Sensor_1 (28F4E539040000FD) 20.94