From 679ae823e97ea463af43086d118e6080d5dc97bc Mon Sep 17 00:00:00 2001 From: Liamm36 Date: Tue, 21 Feb 2017 15:44:44 +0000 Subject: [PATCH] Update README.md --- README.md | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 8d77453..8f84949 100644 --- a/README.md +++ b/README.md @@ -9,7 +9,7 @@ On Raspberry Pi, issue these commands to install required packages need to run t ``` $ sudo apt-get update -$ sudo apt-get install python-gi-cairo python-smbus +$ sudo apt-get install python-gi-cairo python-smbus i2c-tools ``` @@ -27,6 +27,23 @@ $ python pps-singletact To reset the graph, long touch at upmost-left screen (near the 700 value) Or by mouse triple clicks or by SPACE key (keyboard) +By default, I2C (the communication protocol used to communicate with the SingleTact device) is not enabled on the Pi. I2C can be enabled in the raspi-config tool. + +``` +$ sudo raspi-config +``` +Select Advanced Options -> I2C – Enable/Disable automatic loading, and then select yes. + +If running Raspbian releases before 3.18 the following config file must be edited. +``` +$ sudo nano /etc/modprobe.d/raspi-blacklist.conf +``` +Comment out the following by adding a “#” to the start of each line. +``` +blacklist spi-bcm2708 +blacklist i2c-bcm2708 +``` + AUTORUN ======= @@ -41,7 +58,6 @@ then ``` $ sudo top - ``` kill the python process, usually press k enter and then 9.