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by fishfinger
Sat Apr 15, 2017 10:48 pm
Forum: Device Tree
Topic: Adding a 2nd w1 GPIO
Replies: 23
Views: 17935

Re: Adding a 2nd w1 GPIO

@PhilE - thanks for the (work on this) and the explanation, much easier than kernel patching. I now have a /boot/config.txt with the following contents: dtoverlay=w1-gpio dtparam=gpiopin=22 dtoverlay=w1-gpio dtparam=gpiopin=23 dtoverlay=w1-gpio dtparam=gpiopin=24 A rpi-update and a reboot later: pi@...
by fishfinger
Sat Mar 01, 2014 7:56 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: One wire w1-gpio and w1-gpio-custom
Replies: 70
Views: 87057

Re: One wire w1-gpio and w1-gpio-custom

Dear John.... I am running 4 different 1wire buses on a single pi via different GPIO pins with no extra hardware. The big secret is a custom kernel, a few small changes in one of the linux kernel source files to add the extra 1wire bus resources and it just works. My version of the file linux/arch/a...

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