From 3ee0cdcdefe5ae4483dc86d26fffae0707bb9f5b Mon Sep 17 00:00:00 2001 From: Ken Davidson Date: Tue, 7 Aug 2018 03:05:36 -0400 Subject: [PATCH] Update rpi_pfio.markdown (#5969) * Update rpi_pfio.markdown HassOS bug work-around. * Minor changes --- source/_components/rpi_pfio.markdown | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/source/_components/rpi_pfio.markdown b/source/_components/rpi_pfio.markdown index 1b3c4785e53..c7003ef5f4d 100644 --- a/source/_components/rpi_pfio.markdown +++ b/source/_components/rpi_pfio.markdown @@ -16,3 +16,7 @@ ha_iot_class: "Local Push" The `rpi_pfio` component is the base for all related [PiFace Digital I/O (PFIO)](http://www.piface.org.uk/) platforms in Home Assistant. There is no setup needed for the component itself; for the platforms, please check their corresponding pages. Set the jumpers on the PiFace board for address 0 (JP1: 1-2, JP2: 1-2). + +## {% linkable_title Use with HassOS %} + +Note that the PiFace Digital 2 uses the Raspberry Pi SPI port, which is disabled by default when using [HassOS](https://github.com/home-assistant/hassos). When using HassOS, you must mount the SD card on another computer and access the boot partition on the card. Edit the `config.txt` file and add the line `dtparam=spi=on` to the end. This should enable SPI when HassOS is booted and allow Home Assistant to access the PiFace Digital 2 board.