Rewrite readme, add both and for

systemd and udev rules respectively.

60-powermate.rules

@@ -0,0 +1 @@
+ACTION=="add", ENV{ID_USB_DRIVER}=="powermate", SYMLINK+="input/powermate", TAG+="uaccess"

README.md

@@ -4,7 +4,7 @@ A WiFi enabled physical volume knob for Chromecasts via a mash up of Griffin's n
 [PowerMate](https://support.griffintechnology.com/product/powermate/) and
 the awesome python Chromecast controlling library [catt](https://github.com/skorokithakis/catt/)
 using the equally awesome [powermate](https://github.com/bethebunny/powermate)
- python library.
+ python library. You can optionally show the volume on a screen.
 
 Here's the current demo in an animated gif.  Behind the PowerMate is a Chromebook running the
 Google Home app.  When the Cattmate sets the volume you 
@@ -14,57 +14,76 @@ can kinda make out Google Home reflect the volume change as well:
 
 ## Status   
 
-This project is very much a work in progress. Don't 
-use unless you're looking to learn and experiment like am right now ;)
-
-Currently it seems pretty stable. You have to manually start it though, and I haven't
-tested daemonizing it.
+This is my first real Python project!  That means while the code is super stable 
+(my desktop version has an uptime of weeks now), I'm guessing not everything follows the
+[Pythonic way](https://docs.python-guide.org/writing/style/) just so.
 
 
 ## Hardware
 
 * Raspbery Pi - I used a [Raspberry Pi Model 3B Rev 1.2](https://amzn.to/2REZXwb)
-* [PowerMate](https://support.griffintechnology.com/product/powermate/) - Hopefully you can [find one used on eBay](https://www.ebay.com/sch/i.html?_nkw=griffin+powermate+usb+-bluetooth) if you don't already have one
+* [PowerMate](https://support.griffintechnology.com/product/powermate/) - Hopefully you 
+can [find one used on eBay](https://www.ebay.com/sch/i.html?_nkw=griffin+powermate+usb+-bluetooth) if 
+you don't already have one
 * 0.96" SSD1336 OLED Screen (_optional_) - I use [these from MakerFocus](https://amzn.to/2PKMQqL)
 * [Chromecast](https://en.wikipedia.org/wiki/Chromecast) - any sort will do, original, audio or ultra
 
+## Use
+
+Cattmate supports:
+
+* Increase volume - rotate clockwise
+* Decrease volume - rotate counter-clockwise
+* Mute - push down - the light will strobe to denote muted status
+* Unmute - push down again
+* Pause - push down and hold 1+ second
+* Play - push down and hold 1+ second again
+* Fast Forward - push down and rotate clockwise
+* Rewind - push down and rotate counter-clockwise
 
 ## Install
 
 These steps assume you have your Pi set up with Raspbian, that it's booted up, connected
-to the same WiFi as your Chromecast and that the PowerMate is plugged into one of the Pi's 
-USB ports. If your Chromecast is on a different network, but you can get to it by IP, the
-config supports IPs instead of Chromecast names. 
-
-1. Make sure the following requirements are installed:
-   * [pip3](https://pip.pypa.io/en/stable/installing/)
-   * [virtualenv](https://virtualenv.pypa.io/en/stable/) (_optional_)
-1. Clone this repo `git clone https://github.com/Ths2-9Y-LqJt6/cattmate.git`
-1. Change directories to cattmate `cd cattmate`
+to the same WiFi as your Chromecast. If your Chromecast is on a different network, but 
+you can get to it by IP, the
+config supports IPs instead of Chromecast names.  It also assumes you're using the `pi`
+default user with a home directory of `/home/pi` and that you have both 
+[pip3](https://pip.pypa.io/en/stable/installing/) and optionally 
+[virtualenv](https://virtualenv.pypa.io/en/stable/) installed:
+
+1. Clone this repo and cd into it:
+ `git clone https://github.com/Ths2-9Y-LqJt6/cattmate.git /home/pi/cattmate; cd /home/pi/cattmate`
 1. Create your own virtualenv and activate it `python3 -m venv venv;. venv/bin/activate` (_optional_)
 1. Install all the python prerequisites with `pip3 install -r requirements.txt`
 1. Create your own config file `cp config.dist.py config.dist` and edit `config.dist` with 
 the names or IPs
 of the chromecasts you want to use (ony first one supported right now ;) and whether you want
 to use an external I2C screen or not
-1. Start the cattmate controller `python3 cattmate.py`
+1. Copy the systemd file into place, reload systemd, start and enable it:
+    ```bash
+    sudo cp cattmate.service /etc/systemd/system/
+    sudo systemctl daemon-reload
+    sudo systemctl enable cattmate
+    sudo systemctl start cattmate
+    ```
+1. Add the ``udev`` rule with ``sudo cp 60-powermate.rules /etc/udev/rules.d/`` and plug your 
+powermate into an open USB port.  
 
+You should be good to go!  The system is very resilient in that you can not have screen plugged
+in when you start and the plug it in and systemd will notice and start things up.  Same 
+for the powermatte - you can unplug and plug and unplug all day and it satisfyingly just works!
 
-## Use
+# Troubleshooting 
 
-After getting your hardware and software set up per above, cattmate supports:
-* Increase volume - rotate clockwise
-* Decrease volume - rotate counter-clockwise
-* Mute - push down
-* Unmute - push down again
-* Pause - push down and hold 1+ second
-* Play - push down and hold 1+ second again
-* Fast Forward - push down and rotate clockwise
-* Rewind - push down and rotate counter-clockwise
+You can debug the system in syslog with `sudo tail -f /var/log/syslog`. I try to do a lot 
+of testing and explicit have `except` errors that expictly tell you what went wrong
+and how to fix it.  If all else fails, open an issue and I'l try and help ya!
 
 
 ## Releases
 
+* 14 Jan 2020 v0.5 - Rewrite readme, add both `cattmate.service` and `60-powermate.rules` for
+systemd and udev rules respectively. 
 * 16 Dec 2019 v0.13 - Complete refactor to use native python driver
 per [#8](https://github.com/Ths2-9Y-LqJt6/cattmate/issues/8) and add pause, ff & rrwnd per
   [#10](https://github.com/Ths2-9Y-LqJt6/cattmate/issues/10)

cattmate.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=powermate
+After=network.target
+
+[Service]
+Type=simple
+User=pi
+WorkingDirectory=/home/pi/cattmate
+ExecStart=/usr/bin/python3 -u /home/pi/cattmate/cattmate.py
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target