-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdripbot_neopixel.py
110 lines (92 loc) · 4 KB
/
dripbot_neopixel.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
# NeoPixel library strandtest example
# Author: Tony DiCola ([email protected])
#
# Direct port of the Arduino NeoPixel library strandtest example. Showcases
# various animations on a strip of NeoPixels.
import time
from neopixel import *
import argparse
import signal
import sys
def signal_handler(signal, frame):
colorWipe(strip, Color(0,0,0))
sys.exit(0)
def opt_parse():
parser = argparse.ArgumentParser()
parser.add_argument('-c', action='store_true', help='clear the display on exit')
args = parser.parse_args()
if args.c:
signal.signal(signal.SIGINT, signal_handler)
# LED strip configuration:
LED_COUNT = 16 # Number of LED pixels.
LED_PIN = 18 # GPIO pin connected to the pixels (18 uses PWM!).
#LED_PIN = 10 # GPIO pin connected to the pixels (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
LED_STRIP = ws.WS2811_STRIP_GRB # Strip type and colour ordering
# Define functions for dripbot visuals
def ringFlash(strip, color, flashes, wait_ms=50):
"""Flash color to indicate the pot has been grubered."""
for i in range(flashes):
for i in range(strip.numPixels()):
strip.setPixelColor(i, color)
strip.show()
time.sleep(wait_ms/1000.0)
for i in range(strip.numPixels()):
strip.setPixelColor(i, Color(0, 0, 0))
strip.show()
time.sleep(wait_ms/1000.0)
def ringTimer(strip, color_list, wait_ms=50, timer_min=60):
"""
Wipe colors across display a pixel at a time,
then count down timer in equal amounts of time per pixel.
"""
# Animate on display
for i in range(strip.numPixels() -1, -1, -1):
strip.setPixelColor(i, Color(color_list[i][0], color_list[i][1], color_list[i][2]))
strip.show()
time.sleep(wait_ms/1000.0)
# Timer
for i in range(strip.numPixels()):
time.sleep(timer_min * 60.0 / strip.numPixels())
strip.setPixelColor(i, Color(0,0,0))
strip.show()
def ringTimerSetup(strip, color_list, wait_ms=50):
"""
Wipe colors across display a pixel at a time,
then count down timer in equal amounts of time per pixel.
"""
# Animate on display
for i in range(strip.numPixels() -1, -1, -1):
strip.setPixelColor(i, Color(color_list[i][0], color_list[i][1], color_list[i][2]))
strip.show()
time.sleep(wait_ms/1000.0)
def colorWipe(strip, color, wait_ms=50):
"""Wipe color across display a pixel at a time."""
for i in range(strip.numPixels()):
strip.setPixelColor(i, color)
strip.show()
time.sleep(wait_ms/1000.0)
# Main program logic follows:
if __name__ == '__main__':
# Process arguments
opt_parse()
# Create NeoPixel object with appropriate configuration.
strip = Adafruit_NeoPixel(LED_COUNT, LED_PIN, LED_FREQ_HZ, LED_DMA, LED_INVERT, LED_BRIGHTNESS, LED_CHANNEL, LED_STRIP)
# Intialize the library (must be called once before other functions).
strip.begin()
fresh_colors = [[0, 200, 200], [12, 188, 200], [25, 175, 200], [38, 162, 200],
[50, 150, 200], [62, 138, 200], [75, 125, 200], [88, 112, 200],
[100, 100, 200], [112, 88, 200], [125, 75, 200], [138, 62, 200],
[150, 50, 200], [162, 38, 200], [175, 25, 200], [200, 0, 200]]
print ('Press Ctrl-C to quit.')
while True:
print("gruber animation")
ringFlash(strip, Color(255, 0, 255), flashes=10, wait_ms=100)
time.sleep(2)
print("fresh animation")
ringTimer(strip, fresh_colors, wait_ms=50, timer_min=0.25)
time.sleep(2)