dot3k 1.7

Display-o-Tron 3000 Driver

dot3k
=====

Hardware Requirements
---------------------

You'll need to enable spi.

sudo raspi-config

Then head into Advanced Options -> SPI -> Yes.

And i2c.

sudo nano /etc/modprobe.d/raspi-blacklist.conf

And comment out ( place a # before ):

blacklist i2c-bcm2708

And also:

sudo nano /etc/modules

Add the line:

i2c-dev

Reboot to make these changes take effect.

Software Requirements
---------------------

Next you should install python-smbus and python-dev via apt:

sudo apt-get install python-smbus python-dev

And pip, if you don't have it:

sudo apt-get install python-pip

Then install st7036 and sn3218 using pip:

sudo pip install st7036 sn3218

You can run the requirements.sh file to do this for you!

Usage
=====

LCD
---

import dot3k.lcd as lcd
lcd.write('Hello World!')


Backlight
---------

import dot3k.backlight as backlight
backlight.sweep(0.5)
backlight.update()

Joystick
--------

import dot3k.joystick as joystick
@joystick.on(joystick.UP)
def handle_joystick_up(pin):
print("Joystick up!")
Changelog
---------

1.7
---

* Added input handling plugin support
* Remapped parameters to args/kwargs to make menu initialisation less mystifying

1.6.1
-----

* Fixed bug in set_bar which cased the left blue backlight to light

1.6
---

* Added support for an "idle" plugin which shows after a customisable amount of seconds

1.5
---

* Fixed joystick repeat using delta timing instead of delays

1.4
---

* Bugfix of menu.py line-endings
* Attempt to fix joystick.repeat to prevent multiple repeats firing at once

1.3
---

* Removed plugins from dot3k.menu into examples/plugins folder

1.2
---

* Breaking changes with plugin compatibility vs version 1.1
* Many fixes to redraw calls
* Plugin redraw method is now passed the "menu" instance

1.1
---

* Fix for joystick on Rev 1 Pi

1.0dev
------

* Initial Release