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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
#
# Copyright 2016 IBM Corp.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Import library functions we need
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):
UH.set_pixel(int(s[p]),int(s[p+1]),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