mirror of
https://github.com/CopterExpress/clever-show.git
synced 2026-05-26 07:07:58 +00:00
260 lines
7.4 KiB
Python
Executable File
260 lines
7.4 KiB
Python
Executable File
from __future__ import print_function
|
|
import threading
|
|
import time
|
|
from rpi_ws281x import *
|
|
from tasking_lib import wait as wait_until
|
|
import logging
|
|
logger = logging.getLogger(__name__)
|
|
# LED strip configuration:
|
|
LED_COUNT = 60 # Number of LED pixels.
|
|
LED_PIN = 21 # GPIO pin connected to the pixels (18 uses PWM!) (10 uses SPI /dev/spidev0.0).
|
|
LED_FREQ_HZ = 800000 # LED signal frequency in hertz (usually 800khz)
|
|
LED_DMA = 10 # DMA channel to use for generating signal (try 10)
|
|
LED_BRIGHTNESS = 255 # Set to 0 for darkest and 255 for brightest
|
|
LED_INVERT = False # True to invert the signal (when using NPN transistor level shift)
|
|
LED_CHANNEL = 0 # Set to '1' for GPIOs 13, 19, 41, 45 or 53
|
|
|
|
# define led strip
|
|
strip = Adafruit_NeoPixel(LED_COUNT, LED_PIN, LED_FREQ_HZ, LED_DMA, LED_INVERT, LED_BRIGHTNESS, LED_CHANNEL)
|
|
|
|
# variables
|
|
mode = ""
|
|
r = 0
|
|
g = 0
|
|
b = 0
|
|
|
|
r_prev = 0
|
|
g_prev = 0
|
|
b_prev = 0
|
|
|
|
direct = False
|
|
l = 0
|
|
wait_ms = 5.0
|
|
|
|
INTERRUPTER = threading.Event()
|
|
INTERRUPTER_UNSET = threading.Event()
|
|
|
|
def delay(delay_time, interrupter=INTERRUPTER, maxsleep=0.01):
|
|
global mode
|
|
wait_until(time.time()+delay_time, interrupter, maxsleep)
|
|
if interrupter.is_set():
|
|
mode = "off"
|
|
|
|
|
|
# functions
|
|
def math_wheel(pos):
|
|
"""Generate rainbow colors across 0-255 positions."""
|
|
if pos < 85:
|
|
return Color(pos * 3, 255 - pos * 3, 0)
|
|
elif pos < 170:
|
|
pos -= 85
|
|
return Color(255 - pos * 3, 0, pos * 3)
|
|
else:
|
|
pos -= 170
|
|
return Color(0, pos * 3, 255 - pos * 3)
|
|
|
|
|
|
def rainbow(wait=10, direction=False, interrupter=INTERRUPTER):
|
|
global wait_ms, direct, mode, INTERRUPTER
|
|
wait_ms = wait
|
|
direct = direction
|
|
mode = "rainbow"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def fill(red, green, blue, interrupter=INTERRUPTER):
|
|
global r, g, b, mode, INTERRUPTER
|
|
r = red
|
|
g = green
|
|
b = blue
|
|
mode = "fill"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def blink(red, green, blue, wait=250, interrupter=INTERRUPTER):
|
|
global r, g, b, wait_ms, mode, INTERRUPTER
|
|
r = red
|
|
g = green
|
|
b = blue
|
|
wait_ms = wait
|
|
mode = "blink"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def chase(red, green, blue, wait=50, direction=False, interrupter=INTERRUPTER):
|
|
global r, g, b, wait_ms, direct, mode, INTERRUPTER
|
|
r = red
|
|
g = green
|
|
b = blue
|
|
wait_ms = wait
|
|
direct = direction
|
|
mode = "chase"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def wipe_to(red, green, blue, wait=50, direction=False, interrupter=INTERRUPTER):
|
|
global r, g, b, wait_ms, direct, mode, INTERRUPTER
|
|
r = red
|
|
g = green
|
|
b = blue
|
|
wait_ms = wait
|
|
direct = direction
|
|
mode = "wipe_to"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def fade_to(red, green, blue, wait=20, interrupter=INTERRUPTER): # do not working with rainbow (solid colors only)
|
|
global r, g, b, r_prev, g_prev, b_prev, wait_ms, mode, INTERRUPTER
|
|
r_prev = r
|
|
g_prev = g
|
|
b_prev = b
|
|
r = red
|
|
g = green
|
|
b = blue
|
|
wait_ms = wait
|
|
mode = "fade_to"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def run(red, green, blue, length=strip.numPixels(), direction=False, wait=25, interrupter=INTERRUPTER):
|
|
global r, g, b, l, wait_ms, direct, mode, INTERRUPTER
|
|
r = red
|
|
g = green
|
|
b = blue
|
|
l = length
|
|
direct = direction
|
|
wait_ms = wait
|
|
mode = "run"
|
|
INTERRUPTER=interrupter
|
|
|
|
|
|
def off():
|
|
global mode
|
|
mode = "off"
|
|
|
|
|
|
def strip_set(color):
|
|
for i in range(strip.numPixels()):
|
|
strip.setPixelColor(i, color)
|
|
strip.show()
|
|
|
|
|
|
def strip_rainbow_frame(iteration, direction):
|
|
for i in range(strip.numPixels()):
|
|
n = ((strip.numPixels()-1)*direction) - i
|
|
strip.setPixelColor(abs(n), math_wheel((int(i * 256 / strip.numPixels()) + iteration) & 255))
|
|
strip.show()
|
|
|
|
|
|
def strip_chase_step(color, direction, interrupter=INTERRUPTER):
|
|
for q in range(3):
|
|
for i in range(0, strip.numPixels(), 3):
|
|
n = ((strip.numPixels() - 1) * direction) - (i + q)
|
|
strip.setPixelColor(abs(n), color)
|
|
strip.show()
|
|
delay(wait_ms / 1000.0, interrupter)
|
|
for i in range(0, strip.numPixels(), 3):
|
|
n = ((strip.numPixels() - 1) * direction) - (i + q)
|
|
strip.setPixelColor(abs(n), 0)
|
|
|
|
|
|
def strip_wipe(color, direction, interrupter=INTERRUPTER):
|
|
for i in range(strip.numPixels()):
|
|
n = ((strip.numPixels() - 1) * direction) - i
|
|
strip.setPixelColor(abs(n), color)
|
|
delay(wait_ms / 1000.0, interrupter)
|
|
if interrupter.is_set():
|
|
return
|
|
strip.show()
|
|
|
|
|
|
def strip_fade(r1, g1, b1, r2, g2, b2, frames=50, interrupter=INTERRUPTER):
|
|
r_delta = (r2-r1)//frames
|
|
g_delta = (g2-g1)//frames
|
|
b_delta = (b2-b1)//frames
|
|
for i in range(frames):
|
|
red = r1 + (r_delta * i)
|
|
green = g1 + (g_delta * i)
|
|
blue = b1 + (b_delta * i)
|
|
strip_set(Color(red, green, blue))
|
|
delay(wait_ms / 1000.0, interrupter)
|
|
if interrupter.is_set():
|
|
return
|
|
strip_set(Color(r2, g2, b2))
|
|
|
|
|
|
def strip_run_step(red, green, blue, length, direction, iteration):
|
|
r_delta = red // length
|
|
g_delta = green // length
|
|
b_delta = blue // length
|
|
direction = not direction
|
|
for i in range(strip.numPixels()):
|
|
n = ((strip.numPixels()-1)*direction)-((i+iteration) % strip.numPixels())
|
|
r_fin = max(0, (red - (r_delta * i)))
|
|
g_fin = max(0, (green - (g_delta * i)))
|
|
b_fin = max(0, (blue - (b_delta * i)))
|
|
strip.setPixelColor(abs(n), Color(r_fin, g_fin, b_fin))
|
|
strip.show()
|
|
|
|
|
|
def strip_off():
|
|
for i in range(strip.numPixels()):
|
|
strip.setPixelColor(i, Color(0, 0, 0))
|
|
strip.show()
|
|
|
|
|
|
def led_thread():
|
|
global mode
|
|
logger.info("Starting LedLib thread")
|
|
iteration = 0
|
|
while True:
|
|
if mode == "rainbow":
|
|
if iteration >= 256:
|
|
iteration = 0
|
|
strip_rainbow_frame(iteration, direct)
|
|
delay(wait_ms / 1000.0, INTERRUPTER)
|
|
iteration += 1
|
|
elif mode == "fill":
|
|
strip_set(Color(r, g, b))
|
|
mode = ""
|
|
elif mode == "blink":
|
|
strip_set(Color(r, g, b))
|
|
delay(wait_ms / 1000.0, INTERRUPTER)
|
|
strip_set(Color(0, 0, 0))
|
|
delay(wait_ms / 1000.0, INTERRUPTER)
|
|
elif mode == "chase":
|
|
strip_chase_step(Color(r, g, b), direct)
|
|
elif mode == "wipe_to":
|
|
strip_wipe(Color(r, g, b,), direct, INTERRUPTER)
|
|
mode = "fill"
|
|
elif mode == "fade_to":
|
|
strip_fade(r_prev, g_prev, b_prev, r, g, b, interrupter=INTERRUPTER)
|
|
mode = ""
|
|
elif mode == "run":
|
|
strip_run_step(r, g, b, l, direct, iteration)
|
|
delay(wait_ms / 1000.0, INTERRUPTER)
|
|
iteration += 1
|
|
elif mode == "off":
|
|
strip_off()
|
|
mode = ""
|
|
else:
|
|
delay(1 / 1000.0, interrupter=INTERRUPTER_UNSET)
|
|
|
|
|
|
# init
|
|
def init_led(led_pin = LED_PIN):
|
|
global strip
|
|
strip = Adafruit_NeoPixel(LED_COUNT, led_pin, LED_FREQ_HZ, LED_DMA, LED_INVERT, LED_BRIGHTNESS, LED_CHANNEL)
|
|
strip.begin()
|
|
t_l = threading.Thread(target=led_thread)
|
|
t_l.daemon = True
|
|
t_l.start()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
init_led()
|
|
try:
|
|
rainbow()
|
|
except KeyboardInterrupt:
|
|
off()
|