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HECTOR 9000

Minimal Requirements

- Python 3
- Kivy 
- RaspberryPi 3

Install on RaspberryPi

First of all you have to install Python 3 and Kivy on your Raspberry Pi.

For this there is a HowTo on the Kivy Homepage (takes a long time):

https://kivy.org/doc/stable/installation/installation-rpi.html

After you have installed Python and Kivy you can get the sources by using Git

git clone https://github.com/H3c702/Hector9000.git

You can install all the requirements listed in the file requirements.txt by using pip (use pip3 if pip uses Python 2)

pip3 install -r requirements.txt

Start Hector :

cd Hector9000
cd src
python3 main.py

If you had runed Hector the first time and your touchscreen is not working, you have to change the ~/.kivy/config.ini

Go into the [input] section, remove the lines that are in there and put in:

mouse = mouse
mtdev_%(name)s = probesysfs,provider=mtdev
hid_%(name)s = probesysfs,provider=hidinput

Add Drinks

To add a new Drink you have to modify the drinks.py file and add a new item into the array

{
    "name": "NAME OF DRINK",
    "recipe": [
        ("INGREDIENT1", AMOUNT1),
        ("INGREDIENT2", AMOUNT2)
    ]	
}

All strings in UPPERCASE are placeholders, all lowercase strings have to be used literally in the definition. The INGREDIENTx names are not cleartext but are identifiers referencing into the ingredients list below in the same file. The AMOUNTx values are numerical values of the corresponding ingredient's amount in grams.

At the moment there are only some ingredients but feel free to put in some new.

# "NAME":("NICENAME", ISALCOHOLIC)
ingredients = {
	"gin": ("Gin", True),
	"rum": ("Rum", True),
	"vodka": ("Vodka", True),
	"tequila": ("Tequila", True),
	"tonic": ("Tonic Water", False),
	"coke": ("Coke", False),
	"oj": ("Orange Juice", False),
	"gren": ("Grenadine", False),
	"mmix": ("Margarita Mix", True)

Here each ingredient identifier is mapped into a tuple containing the NICENAME used in the UI and a flag that tells whether the ingredient contains alcohol. A future extension might allow multi-language UIs.

Assigning valves

So because Hector has twelve valve channels you have 12 valves predefined (in servo_config.json and HectorHardware.py) to manage the mapping of each ingredient to a valve. Therefore you have to edit the servo_config.json file and set the value field to the ingredient identifier you put into the channel. Only drinks that have all the required ingredients set in the servo_config.json will be shown in the menu.

Example:

"pump_3": {
	"name": "Pump 3",
	"channel": 2,
	"value": "oj"
},

Development on non-Hector hardware :

If you are not on the "real" Hector hardware you can set the var devEnvironment in Hectorhardware.py to True:

devEnvironment = True

The HectorHardware library will then emulate Hector's hardware to allow testing of the UI, for example.

If you are in production or are developing directly on Hector's Pi you should set this var to False.