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LEDs.py
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#!/usr/bin/env python
# Test DeepSIM status lights.
from multiprocessing import Process, Queue
import opc
import time
import copy
import waves
from math import pi
class FrameIntensity(waves.Signal):
def __init__(self, intensity):
self._intensity = intensity
def update(self, newIntensity):
self._intensity = newIntensity
def __call__(self):
return self._intensity
class FramePhase(waves.Signal):
def __init__(self, piBased=False, phase=0.0):
self.piBased = piBased
self._current_phase = phase
def update(self, LED, nrOfLEDs):
if self.piBased:
self._current_phase = (2 * pi * LED) / nrOfLEDs
else:
self._current_phase = LED / nrOfLEDs
def __call__(self):
return self._current_phase
class FrameFrequency(waves.Signal):
def __init__(self, frequency=1.0):
self._current_frequency = frequency
def update(self, frequency):
self._current_frequency = frequency
def __call__(self):
return self._current_frequency
class FrameDecay(waves.Signal):
def __init__(self, decay=1.0):
self._current_decay = decay
def update(self, decay):
self._current_decay = decay
def __call__(self):
return self._current_decay
class FrameDuty(waves.Signal):
def __init__(self, duty=0.5):
self._current_duty = duty
def update(self, duty):
self._current_duty = duty
def __call__(self):
return self._current_duty
class FrameClock(waves.Signal):
def __init__(self):
self._current_s = time.time()
def update(self, speed=1.0):
self._current_s = time.time() * speed
def __call__(self):
return self._current_s
class FrameTimer(waves.Signal):
"""A class to manage a timer effect"""
def __init___(self, fraction=0.0):
self._current_t = fraction
def update(self, newFraction):
self._current_t = newFraction
def __call__(self):
return self._current_t
class StatusLED:
def __init__(self,
effectQueue,
timerQueue,
totalLEDs,
ringStart,
ringsLEDs,
cabinetStart,
cabinetLEDs,
glow=(0, 0, 0), # a tupple containing the min background color
power=(128, 128, 128), # the max poser we want to drive the leds. int from 0 to 255
host = 'localhost',
port = '7890',
):
"""
:int totalLEDs: total nr of LEDs
:tuple ringsLEDs: tuple containing the nr of leds of every concentric ring from center to edge
"""
self.effectQueue = effectQueue
self.timerQueue = timerQueue
self.glow = glow
self.power = power
self.ringsLEDs = ringsLEDs
self.totalLEDs = totalLEDs
self.ringStart = ringStart
self.cabinetStart = cabinetStart
self.cabinetLEDs = cabinetLEDs
self.intensity = [(0, 0, 0)] * 512 # make an intensity array for the whole fadecandy addressable pixels.
self.progress = 0
self.savedProgress = (0, 0, 0)
self.client = opc.Client(server_ip_port=str(host + ':' + port)) #, verbose=True)
# Some frames
self.clock = FrameClock()
self.frequency = FrameFrequency()
self.decay = FrameDecay()
self.duty = FrameDuty()
self.timer = FrameTimer()
self.piBasedPhase = FramePhase(piBased=True)
self.noPiBasedPhase = FramePhase(piBased=False)
self.redGlow = FrameIntensity(self.glow[0])
self.greenGlow = FrameIntensity(self.glow[1])
self.blueGlow = FrameIntensity(self.glow[2])
self.redIntensity = FrameIntensity(self.power[0])
self.greenIntensity = FrameIntensity(self.power[1])
self.blueIntensity = FrameIntensity(self.power[2])
self.redTimerIntensity = FrameIntensity(self.power[0])
self.greenTimerIntensity = FrameIntensity(self.power[1])
self.blueTimerIntensity = FrameIntensity(self.power[2])
# Some basic waves
self.red_decayWave = waves.TransformedSignal(waves.DecayWave(time=self.clock,
frequency=self.frequency,
phase=self.noPiBasedPhase,
decay=self.decay,
),
y0=self.redGlow,
y1=self.redIntensity,
discrete=True)
self.green_decayWave = waves.TransformedSignal(waves.DecayWave(time=self.clock,
frequency=self.frequency,
phase=self.noPiBasedPhase,
decay=self.decay
),
y0=self.greenGlow,
y1=self.greenIntensity,
discrete=True)
self.blue_decayWave = waves.TransformedSignal(waves.DecayWave(time=self.clock,
frequency=self.frequency,
phase=self.noPiBasedPhase,
decay=self.decay
),
y0=self.blueGlow,
y1=self.blueIntensity,
discrete=True)
self.red_sineWave = waves.TransformedSignal(waves.SineWave(time=self.clock,
frequency=self.frequency,
phase=self.piBasedPhase,
),
y0=self.redGlow,
y1=self.redIntensity,
discrete=True)
self.green_sineWave = waves.TransformedSignal(waves.SineWave(time=self.clock,
frequency=self.frequency,
phase=self.piBasedPhase,
),
y0=self.greenGlow,
y1=self.greenIntensity,
discrete=True)
self.blue_sineWave = waves.TransformedSignal(waves.SineWave(time=self.clock,
frequency=self.frequency,
phase=self.piBasedPhase,
),
y0=self.blueGlow,
y1=self.blueIntensity,
discrete=True)
self.red_squareWave = waves.TransformedSignal(waves.SquareWave(time=self.clock,
frequency=self.frequency,
phase=self.piBasedPhase,
duty=self.duty
),
y0=self.redGlow,
y1=self.redIntensity,
discrete=True)
self.green_squareWave = waves.TransformedSignal(waves.SquareWave(time=self.clock,
frequency=self.frequency,
phase=self.piBasedPhase,
duty=self.duty
),
y0=self.greenGlow,
y1=self.greenIntensity,
discrete=True)
self.blue_squareWave = waves.TransformedSignal(waves.SquareWave(time=self.clock,
frequency=self.frequency,
phase=self.piBasedPhase,
duty=self.duty
),
y0=self.blueGlow,
y1=self.blueIntensity,
discrete=True)
self.red_timerWave = waves.TransformedSignal(waves.SquareWave(time=self.timer,
frequency=1,
phase=self.noPiBasedPhase,
duty=self.duty
),
y0=self.redGlow,
y1=self.redTimerIntensity,
discrete=True)
self.green_timerWave = waves.TransformedSignal(waves.SquareWave(time=self.timer,
frequency=1,
phase=self.noPiBasedPhase,
duty=self.duty
),
y0=self.greenGlow,
y1=self.greenTimerIntensity,
discrete=True)
self.blue_timerWave = waves.TransformedSignal(waves.SquareWave(time=self.timer,
frequency=1,
phase=self.noPiBasedPhase,
duty=self.duty
),
y0=self.blueGlow,
y1=self.blueTimerIntensity,
discrete=True)
def setWhite(self):
for i in range(self.totalLEDs):
self.intensity[self.ringStart + i] = self.power
self.setLEDs(None)
def setOff(self):
for i in range(self.totalLEDs):
self.intensity[self.ringStart + i] = (0, 0, 0)
self.setLEDs(None)
def multiplePulse(self, pattern=None, t=0.2, ring=-1):
"""
Function to call on an image snap
:param pattern: a list of lists of two elements from which the first one is
a list containing the color to pulse and the second is the pulse duration
:return: None
"""
if pattern is None:
pattern = [[[self.redIntensity(),
self.greenIntensity(),
self.blueIntensity()],
t]]
pulseColor = copy.copy(self.intensity)
for p in pattern:
for i in range(self.ringsLEDs[ring]):
pulseColor[self.ringStart + i] = p[0]
self.singlePulse(pulseColor=pulseColor, t=p[1])
def singlePulse(self, pulseColor, t=0.2):
self.setLEDs(None)
self.setLEDs(pulseColor)
time.sleep(float(t))
self.setLEDs(pulseColor)
self.setLEDs(None)
def chaseLEDs(self, color, decay=1.0, ring=-1, frequency=1.0):
"""
Creates a LED chasing effect
:param color: tupple with the color to display
:param state: which state is holding this effect
:param decay: the decay factor
:param ring: the ring to chase. Defaults to the outer ring
:param frequency: how many turns per second. Defaults to 1
:return: None
"""
self.redIntensity.update(color[0])
self.greenIntensity.update(color[1])
self.blueIntensity.update(color[2])
self.frequency.update(frequency)
self.decay.update(decay)
waveIntensity = copy.copy(self.intensity)
while self.effectQueue.empty():
self.clock.update()
for led in range(self.ringsLEDs[ring]):
self.noPiBasedPhase.update(led, self.ringsLEDs[ring])
waveIntensity[self.ringStart + led] = (self.red_decayWave(),
self.green_decayWave(),
self.blue_decayWave())
self.setLEDs(waveIntensity)
# time.sleep(0.1)
self.setLEDs(None)
def chaseLEDsTimer(self, chaseColor, timerColor, decay=1.0, chaseRing=-1, timerRing=-2, speed=1.0, frequency=1.0):
"""
Creates a LED chasing effect
:param color: tupple with the color to display
:param state: which state is holding this effect
:param decay: the decay factor
:param ring: the ring to chase. Defaults to the outer ring
:param frequency: how many turns per second. Defaults to 1
:return: None
"""
self.redIntensity.update(chaseColor[0])
self.greenIntensity.update(chaseColor[1])
self.blueIntensity.update(chaseColor[2])
self.redTimerIntensity.update(timerColor[0])
self.greenTimerIntensity.update(timerColor[1])
self.blueTimerIntensity.update(timerColor[2])
self.frequency.update(frequency)
self.decay.update(decay)
self.timer.update(0.0)
self.duty.update(1 / self.ringsLEDs[timerRing])
# TODO: fix rings start point
chaseStartLED = self.ringStart
timerStartLED = self.ringStart + self.ringsLEDs[chaseRing]
waveIntensity = copy.copy(self.intensity)
while self.effectQueue.empty():
self.clock.update(speed)
if not self.timerQueue.empty():
self.timer.update(float(self.timerQueue.get(block=False)))
for led in range(self.ringsLEDs[chaseRing]):
self.noPiBasedPhase.update(led, self.ringsLEDs[chaseRing])
waveIntensity[chaseStartLED + led] = (self.red_decayWave(),
self.green_decayWave(),
self.blue_decayWave())
for led in range(self.ringsLEDs[timerRing]):
self.noPiBasedPhase.update(led, self.ringsLEDs[timerRing])
waveIntensity[timerStartLED + led] = (self.red_timerWave(),
self.green_timerWave(),
self.blue_timerWave())
self.setLEDs(waveIntensity)
# time.sleep(0.1)
while not self.timerQueue.empty():
self.timerQueue.get()
self.setLEDs(None)
def sineBeat(self, color, glow=None, frequency=1.0):
"""
Creates a sinusoidal 'heart beat' of all leds between color and glow
:param color: tuple with the color to display
:param glow: tuple with the background color to display
:param frequency: how many oscilaitons per second. Defaults to 1
:return: None
"""
curGlow = 0
if glow:
curGlow = self.glow
self.redGlow.update(glow[0])
self.greenGlow.update(glow[1])
self.blueGlow.update(glow[2])
self.redIntensity.update(color[0])
self.greenIntensity.update(color[1])
self.blueIntensity.update(color[2])
self.frequency.update(frequency)
self.piBasedPhase.update(0, 1)
waveIntensity = copy.copy(self.intensity)
while self.effectQueue.empty():
self.clock.update()
for led in range(self.totalLEDs):
waveIntensity[self.ringStart + led] = (self.red_sineWave(),
self.green_sineWave(),
self.blue_sineWave())
self.setLEDs(waveIntensity)
# time.sleep(0.1)
if curGlow:
self.redGlow.update(curGlow[0])
self.greenGlow.update(curGlow[1])
self.blueGlow.update(curGlow[2])
self.setLEDs(None)
def squareBeat(self, color, glow=None, frequency=1.0, duty=.5):
"""
Creates a square 'heart beat' of all leds.
:param color: tupple with the color to display
:param glow: tuple with the background color to display
:param frequency: how many turns per second. Defaults to 1
:param duty: duty of the beat. Fraction of on time
:return: None
"""
curGlow = 0
if glow:
curGlow = self.glow
self.redGlow.update(glow[0])
self.greenGlow.update(glow[1])
self.blueGlow.update(glow[2])
self.redIntensity.update(color[0])
self.greenIntensity.update(color[1])
self.blueIntensity.update(color[2])
self.frequency.update(frequency)
self.duty.update(duty)
self.piBasedPhase.update(0, 1)
waveIntensity = copy.copy(self.intensity)
while self.effectQueue.empty():
self.clock.update()
for led in range(self.totalLEDs):
waveIntensity[self.ringStart + led] = (self.red_squareWave(),
self.green_squareWave(),
self.blue_squareWave())
self.setLEDs(waveIntensity)
if curGlow:
self.redGlow.update(curGlow[0])
self.greenGlow.update(curGlow[1])
self.blueGlow.update(curGlow[2])
self.setLEDs(None)
def setLEDs(self, intensity):
if intensity is None:
self.client.put_pixels(self.intensity)
self.client.put_pixels(self.intensity)
else:
self.client.put_pixels(intensity)
self.client.put_pixels(intensity)
def setRing(self, ring, col):
for i in range(self.ringsLEDs[ring]):
self.intensity[self.ringStart + self.ringsLEDs[ring] + i] = col
self.setLEDs(None)
def setInner(self, col):
self.setRing(ring=0, col=col)
def setOuter(self, col):
self.setRing(ring=-1, col=col)
def incrementProgress(self, col=(0, 100, 0)):
self.intensity[self.ringStart + self.progress] = self.savedProgress
self.progress = self.progress + 1
if self.progress > (self.ringsLEDs[-1] - 1):
self.progress = 0
self.savedProgress = copy.copy(self.intensity[self.ringStart + self.progress])
self.intensity[self.ringStart + self.progress] = col
self.setLEDs(None)
def stopProgress(self):
self.intensity[self.ringStart + self.progress] = self.savedProgress
self.setLEDs(None)
def cabinetOn(self):
for i in range(self.cabinetLEDs):
self.intensity[self.cabinetStart + i] = (255, 255, 255)
self.setLEDs(None)
def cabinetOff(self):
for i in range(self.cabinetLEDs):
self.intensity[self.cabinetStart + i] = (0, 0, 0)
self.setLEDs(None)
def demo1(self):
for i in range(23):
self.intensity[self.ringStart + i] = (255, 0, 0)
self.intensity[self.ringStart + i + 1] = (255, 0, 0)
if i % 2 == 0:
self.intensity[self.ringStart + self.ringsLEDs[-1] + int(i / 2)] = (255, 0, 0)
else:
self.intensity[self.ringStart + self.ringsLEDs[-1] + int(i / 2)] = (150, 0, 0)
self.intensity[self.ringStart + self.ringsLEDs[-1] + int(i / 2) + 1] = (150, 0, 0)
self.setLEDs(None)
time.sleep(1)
self.intensity[self.ringStart + i] = (100, 100, 100)
self.intensity[self.ringStart + i + 1] = (100, 100, 100)
self.intensity[self.ringStart + self.ringsLEDs[-1] + int(i / 2)] = (100, 100, 100)
self.setLEDs(None)
def demo2(self):
self.onSnap()
self.setInner((150, 0, 0))
self.incrementProgress()
time.sleep(1)
self.onSnap()
self.setInner((0, 150, 0))
self.incrementProgress()
time.sleep(1)
if __name__ == '__main__':
"""test the module"""
FPGA_UPDATE_RATE = .1 # At which rate is the FPGA sending update status signals
RING_START = (512 - 64)
RING_LEDS = (1, 6, 16, 24)
# RING_LEDS = (24, 16, 6, 1)
TOTAL_LEDS = sum(RING_LEDS)
CABINET_START = 0
CABINET_LEDS = 30
OPC_HOST = '127.0.0.1'
OPC_PORT = '7890'
timerQueue = Queue()
effectQueue = Queue()
LEDs = StatusLED(effectQueue=effectQueue,
timerQueue=timerQueue,
totalLEDs=TOTAL_LEDS,
ringStart=RING_START,
ringsLEDs=RING_LEDS,
cabinetStart=CABINET_START,
cabinetLEDs=CABINET_LEDS,
host=OPC_HOST,
port=OPC_PORT,)
def runEffects():
while True:
f, args = effectQueue.get()
if f != 'kill':
getattr(LEDs, f)(*args)
else:
return
def on_enter_idle():
effectQueue.put(['sineBeat',
([80, 150, 80], # color
[150, 80, 80], # glow
.2 # frequency
)])
def on_snap():
effectQueue.put(['multiplePulse',
([[[0, 0, 128], 0.3],
[[0, 128, 0], 0.8],
[[200, 0, 0], 0.1]
], -1)])
def on_error():
effectQueue.put(['squareBeat',
([150, 0, 0], # color
[20, 0, 0], # glow
1.5, # frequency
.2 # duty
)])
def on_experiment():
effectQueue.put(['chaseLEDsTimer',
([128, 20, 20], #chase color
[0, 128, 128], #timer color
6.0, # decay
-1, # chase ring
-2, # timer ring
2, # speed
2 # frequency
)])
while not timerQueue.empty(): # Clean the timer queue in case things go to quick or we abort
timerQueue.get(block=False)
def on_start():
pass
def on_configure():
pass
def on_reset():
pass
def on_terminate():
effectQueue.put(['kill', None])
while not timerQueue.empty(): # Clean the timer queue
timerQueue.get(block=False)
## run the test
p = Process(target=runEffects)
print('Process created')
p.start()
print('Process started')
time.sleep(2)
on_enter_idle()
print('Entering Idle')
time.sleep(8)
on_snap()
print('taking snap')
# time.sleep(2)
on_experiment()
print('Running experiment')
for t in range(16):
timer = t / 16
timerQueue.put(timer)
time.sleep(.5)
on_error()
print('error')
time.sleep(4)
on_terminate()
print('terminated')
p.join()
print('joined and finished')