From c25af8825818dea525b9d22827a354f913d1149b Mon Sep 17 00:00:00 2001
From: ritt <stefan.ritt@psi.ch>
Date: Fri, 17 Dec 2021 15:19:12 +0100
Subject: [PATCH] Added 41-drs.rules and raspi.txt

---
 41-drs.rules |  2 ++
 raspi.txt    | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 41-drs.rules
 create mode 100644 raspi.txt

diff --git a/41-drs.rules b/41-drs.rules
new file mode 100644
index 0000000..f8d89ad
--- /dev/null
+++ b/41-drs.rules
@@ -0,0 +1,2 @@
+ATTRS{idVendor}=="04b4", ATTRS{idProduct}=="1175", SUBSYSTEMS=="usb", ACTION=="add", MODE="0666", GROUP="plugdev"
+
diff --git a/raspi.txt b/raspi.txt
new file mode 100644
index 0000000..84d7ca1
--- /dev/null
+++ b/raspi.txt
@@ -0,0 +1,55 @@
+Installations notes for DRS software under Raspberry Pi
+=======================================================
+S. Ritt <stefan.ritt@psi.ch>, Nov. 28th, 2012
+
+
+Prerequisites
+-------------
+
+In order to run the DRS software, the libusb-1.0 package needs to be installed.
+It can be compiled from the sources at http://www.libusb.org/wiki/libusb-1.0 or
+directly installed via
+
+$ sudo apt-get install libusb-1.0.0-dev
+
+Next, the wxWidgets package is required. This requires first the GTK+ libraries:
+
+$ sudo apt-get install libgtk2.0-dev libtiff5.def libjpeg8-dev
+
+then the wxWidgets package can be downloaded and compiled:
+
+$ cd /usr/local
+$ sudo wget http://prdownloads.sourceforge.net/wxwindows/wxGTK-2.8.12.tar.gz
+$ mkdir wxGTK-2.8.12
+$ sudo chown pi:pi wxGTK-2.8.12
+$tar -xzvf wxGTK-2.8.12.tar.gz
+$ cd wxGTK-2.8.12
+$ mkdir buildgdk
+$ cd buildgdk
+$ ../configure --with-gdk
+$ make     ( <-- will take 3+ hours)
+$ sudo make install
+$ sudo ldconfig
+
+Installation
+------------
+
+If all that works fine, the drscl, drs_exam and drsosc programs can be compiled
+from the tar ball with a simple "make". This process takes about 15 minutes. If
+you want to run the programs from a non-root account (such as under 'pi'), you
+have to place a "udev" rule. Simply copy the rules file from the tar ball into
+the system:
+
+$ sudo cp 41-drs.rules /etc/udev/rules.d/
+
+and make sure the current user is a member of the “plugdev” group. This is usually
+the case on Debian systems. On other Linux brands, you might have to adjust the
+group setting in 41-drs.rules.
+
+When you connect the evaluation board to the Raspberry Pi, it immediately draws
+about 500 mA from the 5V power supply. Depending on the primary USB power supply
+this might cause the Pi to crash. In that case you should either connect the
+evaluation board to the pi before you turn on the power, or use an external
+powered USB hub between the Pi and the Evaluation board. 
+
+For a screen shot see here: http://www.psi.ch/drs/SoftwareDownloadEN/screenshot_pi.png