131 lines
4.0 KiB
Python
131 lines
4.0 KiB
Python
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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Eclairage à LED Neopixel
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avec contrôle (encodeur rotatif)
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"""
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__author__ = "arofarn"
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__version__ = 0.2
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# Imports
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import time
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import machine
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import neopixel
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from uos import uname
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from encoder import Encoder
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#Paramètres
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NB_PIX = 8 # Nombre de pixels
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MAX_LUM = 100 # Luminosité max (100 max.)
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COULEUR = [255, 255, 255] # Couleur de base (à luminosité max)
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#Déclaration des objets et initialisation des variables
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board_type = uname()[0]
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print("Système :", board_type)
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if board_type == 'esp8266':
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NEOPIX_PIN = 2
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# Les deux broches suivantes doivent être capable d'interruption !!!
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# sur ESP8266 => : 4, 5, 12, 13 et 14
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ENC_PIN_A = 13 # N° de la 1ere broche de l'encodeur
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ENC_PIN_B = 12 # N° de la 2e broche de l'encodeur
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ENC_BOUTON = 14 # broche du clic central de l'encodeur
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# With ESP8266 (no timing parameter)
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pixel_strip = neopixel.NeoPixel(machine.Pin(NEOPIX_PIN), NB_PIX)
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elif board_type == 'esp32':
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NEOPIX_PIN = 14
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# Pins
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ENC_PIN_A = 15 # N° de la 1ere broche de l'encodeur
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ENC_PIN_B = 33 # N° de la 2e broche de l'encodeur
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ENC_BOUTON = 27 # broche du clic central de l'encodeur
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# # Only with ESP32 : add timing param.
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# # timing param =0 for "old" 400kHz neopixel (default)
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# # =1 for "new" 800kHz neopixel
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pixel_strip = neopixel.NeoPixel(machine.Pin(NEOPIX_PIN), NB_PIX, timing=1)
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else:
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# ce code n'est pas prévu pour d'autre carte pour l'instant
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print("Carte non-supportée")
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quit()
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# # Only with ESP32 : add timing param.
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# # timing param =0 for "old" 400kHz neopixel (default)
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# # =1 for "new" 800kHz neopixel
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# pixel_strip = neopixel.NeoPixel(machine.Pin(NEOPIX_PIN), NB_PIX, timing=1)
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# coul_tmp = [0, 0, 0]
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#Eteint tout à l'initialisation
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pixel_strip.fill([0, 0, 0])
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pixel_strip.write()
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# Encodeur rotatif
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enc = Encoder(ENC_PIN_B, ENC_PIN_A,
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min_val=0, max_val=MAX_LUM,
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clicks=1)
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#Bouton
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bout = machine.Pin(ENC_BOUTON, machine.Pin.IN)
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#Variable d'état
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LUM = 0 # Luminosité (0 - 100)
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PWR = False # Est-ce que l'éclairage est allumé ?
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BOUT_PRESS_STATE = 1
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def update_neopixel(np_strp, coul, lum=50):
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"""Update NeoPixel strip with one color
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:param np_strp : NeoPixel object
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:param coul : color [R, G, B]
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:param lum : brightness 0-100 (default: 50)
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"""
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col_tmp = [0, 0, 0]
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for i in range(3):
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col_tmp[i] = int(coul[i] * lum / 100)
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pixel_strip.fill(col_tmp)
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pixel_strip.write()
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while True:
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# Si on a un changement de valeur, on met à jour la luminisité et l'éclairage
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# des NeoPixel
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if PWR and LUM != enc.value:
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print(enc.value)
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LUM = enc.value
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update_neopixel(pixel_strip, COULEUR, LUM)
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# Quand le bouton central est appuyé puis relâché, on allume ou on éteint
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if bout.value() == 0 and BOUT_PRESS_STATE == 1:
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PWR = not PWR
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print("Power :", PWR)
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if not PWR:
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# Extinction des LED
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pixel_strip.fill((0, 0, 0))
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pixel_strip.write()
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else:
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# On remet l'encodeur à la dernière luminosité connue
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# pour ignorer les mouvements pendant l'extinction
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enc.reset(LUM)
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update_neopixel(pixel_strip, COULEUR, LUM)
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BOUT_PRESS_STATE = bout.value()
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time.sleep_ms(20)
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