240 lines
7 KiB
Python
240 lines
7 KiB
Python
import time
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import threading
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from rpi_ws281x import PixelStrip, Color
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import RPi.GPIO as GPIO
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####################TO DO´s##########################
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# 1. Multithread for separating blinker and animation
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# 2. Button interrupt for longer animations (rainbow/police)
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# 3. Optimize Police animation
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####################################################
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# LED strip configuration:
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numpix = 20
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segment = 4
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delay = 0.15
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brightness = 100
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anzahl_animationen = 5
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LED_PIN = 18
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# Setup
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strip_blinker = PixelStrip(numpix, LED_PIN, brightness=brightness)
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strip_animation = PixelStrip(numpix, LED_PIN, brightness=brightness)
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strip_blinker.begin()
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strip_animation.begin()
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# Button and switch GPIO setup
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button_pin = 18
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toggle_switch_left_pin = 15
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toggle_switch_right_pin = 14
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(button_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.setup(toggle_switch_left_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
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GPIO.setup(toggle_switch_right_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
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blinker_links = False
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blinker_rechts = False
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animation_NR = 0
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reset_animation = False
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# Define colors
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blank = Color(0, 0, 0)
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white = Color(255, 255, 255)
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red = Color(255, 0, 0)
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orange = Color(255, 127, 0)
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yellow = Color(255, 255, 0)
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lime = Color(127, 255, 0)
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green = Color(0, 255, 0)
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teal = Color(0, 255, 127)
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cyan = Color(0, 255, 255)
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sky_blue = Color(0, 127, 255)
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blue = Color(0, 0, 255)
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indigo = Color(127, 0, 255)
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magenta = Color(255, 0, 255)
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pink = Color(255, 0, 127)
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colors = [red, orange, yellow, lime, green, teal, cyan, sky_blue, blue, indigo, magenta, pink]
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############ Blinker Links ###################
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def blink_links():
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global blinker_links
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while blinker_links:
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print('BLINKER LINKS')
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for x in reversed(range(segment)):
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if not blinker_links:
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break
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strip_blinker.setPixelColor(x, yellow)
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strip_blinker.show()
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time.sleep(delay)
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if not blinker_links:
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break
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time.sleep(2 * delay)
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for y in range(segment):
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strip_blinker.setPixelColor(y, blank)
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strip_blinker.show()
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for y in range(segment):
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strip_blinker.setPixelColor(y, blank)
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strip_blinker.show()
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############ Blinker Rechts ##################
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def blink_rechts():
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global blinker_rechts
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startpoint = numpix - segment
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while blinker_rechts:
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print('BLINKER RECHTS')
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for x in range(segment):
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if not blinker_rechts:
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break
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strip_blinker.setPixelColor(startpoint + x, yellow)
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strip_blinker.show()
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time.sleep(delay)
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if not blinker_rechts:
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break
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time.sleep(2 * delay)
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for y in range(segment):
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strip_blinker.setPixelColor(startpoint + y, blank)
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strip_blinker.show()
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for y in range(segment):
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strip_blinker.setPixelColor(startpoint + y, blank)
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strip_blinker.show()
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############ 0.Animation Licht aus ################
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def licht_aus():
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global reset_animation
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for i in range(segment, numpix):
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strip_animation.setPixelColor(i, blank)
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strip_animation.show()
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while not reset_animation:
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time.sleep(delay)
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############### 1.Animation Licht an ###############
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def fernlicht_an():
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global reset_animation
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for i in range(segment, numpix):
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strip_animation.setPixelColor(i, white)
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strip_animation.show()
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while not reset_animation:
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time.sleep(delay)
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licht_aus()
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############### 2.Animation Rainbow ###############
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def rainbow():
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global reset_animation
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for i in range(len(colors)):
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for j in range(segment, numpix):
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strip_animation.setPixelColor(j, colors[i])
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strip_animation.show()
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time.sleep(delay)
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if reset_animation:
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licht_aus()
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return
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############### 3.Animation Police ###############
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def police():
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global reset_animation
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blue_segment = [4, 5, 6, 10, 11, 12]
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red_segment = [7, 8, 9, 13, 14, 15]
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for segment, color in [(blue_segment, blue), (red_segment, red)]:
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for i in segment:
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strip_animation.setPixelColor(i, color)
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strip_animation.show()
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time.sleep(delay * 2)
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if reset_animation:
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licht_aus()
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return
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############### 4.Animation Kit ###############
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def kit():
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global reset_animation
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kit_delay = 0.01
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strip_animation.show()
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# Left to Right
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for x in range(segment, numpix - 2):
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strip_animation.setPixelColor(x + 1, red)
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time.sleep(kit_delay)
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strip_animation.show()
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strip_animation.setPixelColor(x, red)
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time.sleep(kit_delay)
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strip_animation.show()
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strip_animation.setPixelColor(x + 2, red)
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time.sleep(kit_delay)
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strip_animation.show()
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strip_animation.setPixelColor(x, blank)
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time.sleep(kit_delay)
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strip_animation.setPixelColor(x + 1, blank)
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time.sleep(kit_delay)
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strip_animation.setPixelColor(x + 2, blank)
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strip_animation.show()
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if reset_animation:
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licht_aus()
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return
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# Right to Left
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for x in reversed(range(segment + 1, numpix - 2)):
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strip_animation.setPixelColor(x + 1, red)
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time.sleep(kit_delay)
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strip_animation.show()
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strip_animation.setPixelColor(x, red)
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time.sleep(kit_delay)
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strip_animation.show()
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strip_animation.setPixelColor(x + 2, red)
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time.sleep(kit_delay)
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strip_animation.show()
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strip_animation.setPixelColor(x, blank)
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time.sleep(kit_delay)
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strip_animation.setPixelColor(x + 1, blank)
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time.sleep(kit_delay)
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strip_animation.setPixelColor(x + 2, blank)
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strip_animation.show()
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if reset_animation:
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licht_aus()
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return
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# INTERRUPT HANDLERS
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# Blinker Links
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def switch_left_up(channel):
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global blinker_links, blinker_rechts
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if blinker_rechts:
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blinker_rechts = False
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if blinker_links:
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return
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blinker_links = True
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threading.Thread(target=blink_links).start()
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def switch_left_down(channel):
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global blinker_links
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blinker_links = False
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GPIO.add_event_detect(toggle_switch_left_pin, GPIO.RISING, callback=switch_left_up)
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GPIO.add_event_detect(toggle_switch_left_pin, GPIO.FALLING, callback=switch_left_down)
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# Blinker Rechts
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def switch_right_up(channel):
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global blinker_rechts, blinker_links
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if blinker_links:
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blinker_links = False
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if blinker_rechts:
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return
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blinker_rechts = True
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threading.Thread(target=blink_rechts).start()
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def switch_right_down(channel):
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global blinker_rechts
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blinker_rechts = False
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GPIO.add_event_detect(toggle_switch_right_pin, GPIO.RISING, callback=switch_right_up)
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GPIO.add_event_detect(toggle_switch_right_pin, GPIO.FALLING, callback=switch_right_down)
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# Button Interrupt
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def button_pressed(channel):
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global debouncing, animation_NR, reset_animation
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animation_NR = (animation_NR + 1) % anzahl_animationen
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reset_animation = True
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GPIO.add_event_detect
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