135 lines
4.5 KiB
Python
135 lines
4.5 KiB
Python
import time
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import requests
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from rpi_ws281x import *
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import RPi.GPIO as GPIO
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import os
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# LED strip configuration:
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LED_COUNT = 60 # Number of LED pixels.
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LED_PIN = 18 # GPIO pin connected to the pixels (18 uses PWM!).
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#LED_PIN = 10 # GPIO pin connected to the pixels (10 uses SPI /dev/spidev0.0).
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LED_FREQ_HZ = 800000 # LED signal frequency in hertz (usually 800khz)
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LED_DMA = 10 # DMA channel to use for generating signal (try 10)
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LED_BRIGHTNESS = 255 # Set to 0 for darkest and 255 for brightest
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LED_INVERT = False # True to invert the signal (when using NPN transistor level shift)
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LED_CHANNEL = 0 # set to '1' for GPIOs 13, 19, 41, 45 or 53
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led_power = True
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try:
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with open('./idle.txt', 'r') as f:
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idle_mode = f.readline()
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except:
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with open('./idle.txt', 'w') as f:
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f.write('1')
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idle_mode = 1
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def check_internet(url='http://www.google.com/', timeout=5):
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try:
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_ = requests.head(url, timeout=timeout)
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return True
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except requests.ConnectionError:
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return False
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def wheel(pos):
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"""Generate rainbow colors across 0-255 positions."""
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if pos < 85:
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return Color(pos * 3, 255 - pos * 3, 0)
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elif pos < 170:
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pos -= 85
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return Color(255 - pos * 3, 0, pos * 3)
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else:
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pos -= 170
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return Color(0, pos * 3, 255 - pos * 3)
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def rainbowCycle(strip, wait_ms=10, iterations=10):
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"""Draw rainbow that uniformly distributes itself across all pixels."""
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for j in range(256*iterations):
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for i in range(strip.numPixels()):
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strip.setPixelColor(i, wheel((int(i * 256 / strip.numPixels()) + j) & 255))
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strip.show()
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time.sleep(wait_ms/1000.0)
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def setColor(strip, color, iterations=10, wait_ms=10):
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for i in range(strip.numPixels()):
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strip.setPixelColor(i, color)
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strip.show()
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time.sleep(wait_ms/1000.0)
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def blink(strip, color1, color2, iterations=10, wait_ms=10):
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for i in range(strip.numPixels()):
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strip.setPixelColor(i, color1)
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strip.show()
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time.sleep(1)
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for i in range(strip.numPixels()):
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strip.setPixelColor(i, color2)
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strip.show()
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time.sleep(1)
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def led_power_toggle(channel):
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global led_power
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if led_power == True:
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led_power = False
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else:
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led_power = True
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print('Led toggled: '+str(led_power))
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return led_power
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def read_idle():
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with open('./idle.txt', 'r') as f:
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idle_mode = f.readline()
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def change_idle_mode(channel):
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global idle_mode
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with open('./idle.txt', 'w') as f:
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f.write(int(idle_mode) + 1)
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with open('./idle.txt', 'r') as f:
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idle_mode = f.readline()
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print('Change Idle-Mode: '+idle_mode)
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def test():
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print('test')
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if __name__ == '__main__':
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strip = Adafruit_NeoPixel(LED_COUNT, LED_PIN, LED_FREQ_HZ, LED_DMA, LED_INVERT, LED_BRIGHTNESS, LED_CHANNEL)
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strip.begin()
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GPIO.setmode(GPIO.BOARD)
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GPIO.setup(13, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.setup(19, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.add_event_detect(13, GPIO.RISING, callback=led_power_toggle, bouncetime=300)
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GPIO.add_event_detect(19, GPIO.RISING, callback=change_idle_mode, bouncetime=300)
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try:
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while True:
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try:
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with open('./idle.txt', 'r') as f:
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idle_mode = f.readline()
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except:
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with open('./idle.txt', 'w') as f:
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f.write('1')
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with open('./idle.txt', 'r') as f:
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idle_mode = f.readline()
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if led_power_toggle == False:
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setColor(strip, Color(0,0,0))
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else:
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if check_internet() == False:
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blink(strip, Color(255,0,0), Color(255,255,255))
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else:
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print(idle_mode)
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if int(idle_mode) == '1':
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rainbowCycle(strip)
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elif int(idle_mode) == '2':
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setColor(strip, Color(255,0,0))
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elif int(idle_mode) == '3':
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setColor(strip, Color(0,255,0))
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elif int(idle_mode) == '4':
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setColor(strip, Color(0,0,255))
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elif int(idle_mode) == '5':
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setColor(strip, Color(125,245,255))
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else:
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blink(strip, Color(255,0,0), Color(0,0,0))
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except KeyboardInterrupt:
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setColor(strip, Color(0,0,0))
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GPIO.cleanup() |