NeoPixel Lights

code.py

import time
import board
import neopixel
from adafruit_button import Button
from adafruit_pyportal import PyPortal
from adafruit_bitmap_font import bitmap_font

# Define colors
colors = [
    {'name': "1900K", 'color': (255, 147, 41)},     # Candle
    {'name': "2600K", 'color': (255, 197, 143)},    # 40W Tungsten
    {'name': "2850K", 'color': (255, 214, 170)},    # 100W Tungsten
    {'name': "3200K", 'color': (255, 241, 224)},    # Halogen
    {'name': "5200K", 'color': (255, 250, 244)},    # Carbon Arc
    {'name': "5400K", 'color': (255, 255, 251)},    # High Noon Sun
    {'name': "6000K", 'color': (255, 255, 255)},    # Direct Sunlight
    {'name': "7000K", 'color': (201, 226, 255)}     # Overcast Sky
]

# Setup NeoPixel Strip
strip = neopixel.NeoPixel(board.D3, 30)
current_brightness = 2
current_color = 5
strip.brightness = current_brightness / 10
strip.fill(colors[current_color]['color'])

# Setup PyPortal without networking
pyportal = PyPortal()

# Load the font for the buttons
font = bitmap_font.load_font("/fonts/Arial-14.bdf")
# glyphs = b'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-,.: '
glyphs = b'0123456789KainxFMNO↑↓'
font.load_glyphs(glyphs)

# Setup buttons
spots = [
    {'label': "ON", 'name': "ON", 'pos': (20, 15), 'size': (130, 60)},
    {'label': "OFF", 'name': "OFF", 'pos': (170, 15), 'size': (130, 60)},
    {'label': "↓", 'name': "BRIGHT_DN", 'pos': (20, 90), 'size': (60, 60)},
    {'label': str(current_brightness), 'name': "Brightness", 'pos': (100, 90), 'size': (120, 60)},
    {'label': "↑", 'name': "BRIGHT_UP", 'pos': (240, 90), 'size': (60, 60)},
    {'label': "↓", 'name': "TEMP_DN", 'pos': (20, 165), 'size': (60, 60)},
    {'label': colors[current_color]['name'], 'name': "Color", 'pos': (100, 165), 'size': (120, 60)},
    {'label': "↑", 'name': "TEMP_UP", 'pos': (240, 165), 'size': (60, 60)}
]

# Populate the buttons
buttons = []
for spot in spots:
    button = Button(
        x=spot['pos'][0], 
        y=spot['pos'][1],
        width=spot['size'][0],
        height=spot['size'][1],
        style=Button.ROUNDRECT,
        label_font=font,
        fill_color=0x000000,
        outline_color=0xFFFFFF,
        label_color=0xFFFFFF,
        name=spot['name'],
        label=spot['label']
    )
    pyportal.splash.append(button)
    buttons.append(button)

# Set friendly names for the two 'label' buttons
BRIGHTNESS_BUTTON = buttons[3]
COLORTEMP_BUTTON = buttons[6]

def on():
    print('Turning Neopixel Strip on.')
    strip.fill(colors[current_color]['color'])
    
def off():
    print('Turning NeoPixel Strip off.')
    strip.fill((0,0,0))

def inc_brightness():
    global current_brightness
    if current_brightness < 10:
        current_brightness += 1
        print('Setting NeoPixel Strip brightness to {0}'.format(current_brightness / 10))
        strip.brightness = current_brightness / 10
        if current_brightness == 10:
            BRIGHTNESS_BUTTON.label = "Max"
        else:
            BRIGHTNESS_BUTTON.label = str(current_brightness)
    else:
        print('NeoPixel Strip brightness already at max.')

def dec_brightness():
    global current_brightness
    if current_brightness > 1:
        current_brightness -= 1
        print('Setting NeoPixel Strip brightness to {0}'.format(current_brightness / 10))
        strip.brightness = current_brightness / 10
        if current_brightness == 1:
            BRIGHTNESS_BUTTON.label = "Min"
        else:
            BRIGHTNESS_BUTTON.label = str(current_brightness)
    else:
        print('NeoPixel Strip brightness already at minimum.')

def inc_temp():
    global current_color
    current_color
    if current_color < (len(colors) -1):
        current_color += 1
        print('Setting color temperature to {0} with index {1}'.format(colors[current_color]['name'], current_color))
        strip.fill(colors[current_color]['color'])
        if current_color == (len(colors) -1):
            COLORTEMP_BUTTON.label = "Max"
        else:
            COLORTEMP_BUTTON.label = colors[current_color]['name']
    else:
        print('Color temp already at max.')

def dec_temp():
    global current_color
    if current_color > 0:
        current_color -= 1
        print('Setting color temperature to {0} with index {1}'.format(colors[current_color]['name'], current_color))
        strip.fill(colors[current_color]['color'])
        if current_color == 0:
            COLORTEMP_BUTTON.label = "Min"
        else:
            COLORTEMP_BUTTON.label = colors[current_color]['name']
    else:
        print('Color temp already at minimum.')

func_dict = {
    'ON': (on),
    'OFF': (off),
    'BRIGHT_DN': (dec_brightness),
    'BRIGHT_UP': (inc_brightness),
    'TEMP_DN': (dec_temp),
    'TEMP_UP': (inc_temp)
}

while True:
    touch = pyportal.touchscreen.touch_point
    if touch:
        for button in buttons:
            if button.contains(touch):
                button.selected = True
                print("Touched", button.name)
                func_dict.get(button.name)()
                time.sleep(0.1)
                button.selected = False
    while pyportal.touchscreen.touch_point:
        pass
    time.sleep(0.1)