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node-red-nodes/hardware/unicorn/unihat.py

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2016-01-11 22:21:54 +01:00
#!/usr/bin/python
# Import library functions we need
from __future__ import print_function
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import sys
import os
import unicornhat as UH
if sys.version_info >= (3,0):
print("Sorry - currently only configured to work with python 2.x")
sys.exit(1)
brightness = float(sys.argv[1])/100
UH.off()
UH.brightness(brightness)
while True:
try:
data = raw_input()
if len(data) < 10:
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if data[0] == "B":
UH.brightness(float(data[1:])/100)
if data[0] == "R":
UH.rotation(float(data[1:]))
else:
if data[0] == "P":
data = data[1:].strip()
s = data.split(',')
for p in range(0,len(s),5):
x1 = 0
x2 = 0
y1 = 0
y2 = 0
if s[p] == "*":
x1 = 0
x2 = 8
elif "-" in s[p]:
x1 = int(s[p].split('-')[0]) % 8
x2 = int(s[p].split('-')[1]) % 8 + 1
if x1 >= x2:
x2,x1 = x1+1,x2-1
else:
x1 = int(s[p])
x2 = int(s[p])+1
if s[p+1] == "*":
y1 = 0
y2 = 8
elif "-" in s[p+1]:
y1 = int(s[p+1].split('-')[0]) % 8
y2 = int(s[p+1].split('-')[1]) % 8 + 1
if y1 >= y2:
y2,y1 = y1+1,y2-1
else:
y1 = int(s[p+1]) % 8
y2 = int(s[p+1]) % 8 + 1
for i in range(x1,x2):
for j in range(y1,y2):
UH.set_pixel(i,j,int(s[p+2]),int(s[p+3]),int(s[p+4]))
else:
q = 0
for p in range(64):
UH.set_pixel(p%8,int(p/8),ord(data[q]),ord(data[q+1]),ord(data[q+2]))
q += 3
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UH.show()
except (EOFError, SystemExit): # hopefully always caused by us sigint'ing the program
sys.exit(0)
except Exception as ex:
print("bad data: "+data)