MC100
Mobile programmable gateway
MC Technologies GmbH, Kabelkamp 2, 30179 Hannover, Germany
Tel: +49511 67 69 99-0, Fax: +49511 67 69 99-150, Website & Shop: www.mc-technologies.net, Email: info@mc-technologies.net
51
16 1-wire
The 1-wire driver is loaded and started during the boot process. The driver provides the
user with a command-option with 1-wire devices.
16.1 For v1.0.4 or older
Using 1-wire driver
16.1.1
After the 1-wire driver has been loaded, the user functions are located in the following
folder:
/sys/class/1w/
To enter the folder using Command prompt, use the command:
root@MC100: ~#cat /sys/class/1w/
There are the following files which act as interface for the user:
- probe_bus
- read
- write
- reset
Function files
16.1.2
probe_bus
This scans the 1-wire bus and registers all detected 1-wire devices.
The following command executes the scan:
root@MC100:~# echo 1 > /sys/class/1w/probe_bus
Please note that this command can take a while before completion.
read
This reads the content of the 1-wire bus.
Example:
root@MC100:~# cat /sys/class/1w/read
288694aa0b00009dff
root@MC100:~