def light_piglow(colour,rotations):
colourmap = {14 : "red", 13 : "green", 11 : "blue", 1: "orange", 4 : "yellow", 15 : "white" }
from piglow import PiGlow
piglow = PiGlow()
# piglow.all(0)
if ( colour != "all" ):
ledcolour = colourmap[colour]
for j in range(rotations):
piglow.colour(ledcolour,j)
sleep(0.001*j) # As the intensity increases, sleep for longer periods
else:
# print ("Trying to run all ")
for j in range(rotations):
for colour in (colourmap.values()):
piglow.colour(("%s" % colour), 255)
sleep(0.2)
piglow.colour(colour, 0)
sleep(0.01)
piglow.all(0)
class GlowShow(object):
piglow = PiGlow(1)
led_val = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
brightness = 25
smoothness = 50
speed = 10
def set_speed(self, speed):
print 'set_speed = ', speed
self.speed = speed
def set_brightness(self, brightness):
print 'set_brightness = ', brightness
self.brightness = brightness
def set_pattern(self, pattern):
print 'set_pattern = ', pattern
led_last = list(self.led_val)
self.led_val = self.map_vals(pattern)
self.led_val = [v * self.brightness for v in self.led_val]
# smooth transition from last to this value
for i in range(0, self.smoothness + 1):
led_step = [
v0 + int((v1 - v0) * float(i) / float(self.smoothness))
for v0, v1 in zip(led_last, self.led_val)
]
# update the piglow with current values
self.piglow.update_leds(led_step)
time.sleep(1.0 / float(self.speed) / float(self.smoothness))
def map_vals(self, led_set):
led_map = [
7, 8, 9, 6, 5, 10, 18, 17, 16, 14, 12, 11, 1, 2, 3, 4, 15, 13
]
for i in range(0, len(led_map)):
self.led_val[led_map[i] - 1] = led_set[i]
return self.led_val
def start(self):
"""Creates the socket and starts the threads"""
try:
self.piglow = PiGlow()
except IOError as e:
if e[0] == errno.EACCES:
print >> sys.stderr, "Permission denied, try running as root"
else:
print >> sys.stderr, "Unknown error accessing the PiGlow"
sys.exit(1)
self.piglow.all(0)
self.clock = Clock(self.piglow)
self.alert = Alert(self.piglow)
self.in_progress = In_Progress(self.piglow)
address = (self.cfg.HOST, self.cfg.PORT)
serversock = socket(AF_INET, SOCK_STREAM)
serversock.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
serversock.bind(address)
serversock.listen(5)
self.check_jobs_thread = Thread(None, self.check_jobs, None, ())
self.socket_manager_thread = Thread(None, self.socket_manager, None,
(serversock, ))
self.start_threads()
while self.running == True:
sleep(1)
self.stop()
import sys
from piglow import PiGlow
import psutil
class GracefulKiller:
kill_now = False
def __init__(self):
signal.signal(signal.SIGINT, self.exit_gracefully)
signal.signal(signal.SIGTERM, self.exit_gracefully)
def exit_gracefully(self,signum, frame):
self.kill_now = True
if __name__ == '__main__':
killer = GracefulKiller()
piglow = PiGlow()
while True:
cpu = psutil.cpu_percent()
piglow.all(0)
if cpu < 5:
piglow.red(20)
elif cpu < 20:
piglow.red(20)
piglow.orange(20)
elif cpu < 40:
piglow.red(20)
piglow.orange(20)
piglow.yellow(20)
elif cpu < 60:
piglow.red(20)
def do_GET(self):
parts = urlparse.urlparse(self.path)
if parts.path == "/":
self.path = "/index.html"
piglow = PiGlow()
if parts.query != "":
qs = urlparse.parse_qs(parts.query)
if "r" in qs:
r = int(qs['r'][0])
piglow.red(r)
if "o" in qs:
o = int(qs['o'][0])
piglow.orange(o)
if "y" in qs:
y = int(qs['y'][0])
piglow.yellow(y)
if "g" in qs:
g = int(qs['g'][0])
piglow.green(g)
if "b" in qs:
b = int(qs['b'][0])
piglow.blue(b)
if "w" in qs:
w = int(qs['w'][0])
piglow.white(w)
self.send_response(200)
self.send_header('Content-type', "application/json")
self.end_headers()
self.wfile.write('"true"')
return
try:
#Check the file extension required and
#set the right mime type
sendReply = False
if self.path.endswith(".html"):
mimetype = 'text/html'
sendReply = True
if self.path.endswith(".png"):
mimetype = 'image/png'
sendReply = True
if self.path.endswith(".woff"):
mimetype = 'application/x-font-woff'
sendReply = True
if self.path.endswith(".woff2"):
mimetype = 'application/font-woff2'
sendReply = True
if self.path.endswith(".ttf"):
mimetype = 'application/octet-stream'
sendReply = True
if self.path.endswith(".js"):
mimetype = 'application/javascript'
sendReply = True
if self.path.endswith(".css"):
mimetype = 'text/css'
sendReply = True
if sendReply == True:
#Open the static file requested and send it
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type', mimetype)
self.end_headers()
self.wfile.write(f.read())
f.close()
return
except IOError:
self.send_error(404, 'File Not Found: %s' % self.path)
def __init__(self):
self.piglow = PiGlow()
