KevinMidboe/python-gpiozero
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Don't use with statements in examples

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Also tidy up line spacing
This commit is contained in:
Ben Nuttall
2016-08-31 14:32:36 +01:00
committed by GitHub
parent d74f22181e
commit f55a8f1cc8
1 changed files with 35 additions and 13 deletions
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32
gpiozero/tools.py
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@@ -108,7 +108,9 @@ def clamped(values, output_min=0, output_max=1):
led = PWMLED(4)
pot = MCP3008(channel=0)
led.source = clamped(pot.values, 0.5, 1.0)
pause()
"""
if output_min >= output_max:
@@ -129,8 +131,10 @@ def absoluted(values):
led = PWMLED(4)
motor = Motor(22, 27)
pot = MCP3008(channel=0)
motor.source = scaled(pot.values, -1, 1)
led.source = absoluted(motor.values)
pause()
"""
for v in values:
@@ -283,7 +287,9 @@ def averaged(*values):
pot2 = MCP3008(channel=1)
pot3 = MCP3008(channel=2)
led = PWMLED(4)
led.source = averaged(pot1.values, pot2.values, pot3.values)
pause()
"""
for v in zip(*values):
@@ -304,7 +310,9 @@ def summed(*values):
pot2 = MCP3008(channel=1)
pot3 = MCP3008(channel=2)
led = PWMLED(4)
led.source = scaled(summed(pot1.values, pot2.values, pot3.values), 0, 1, 0, 3)
pause()
"""
for v in zip(*values):
@@ -326,7 +334,9 @@ def multiplied(*values):
pot2 = MCP3008(channel=1)
pot3 = MCP3008(channel=2)
led = PWMLED(4)
led.source = multiplied(pot1.values, pot2.values, pot3.values)
pause()
"""
def _product(it):
@@ -350,10 +360,13 @@ def queued(values, qsize):
leds = LEDBoard(5, 6, 13, 19, 26)
btn = Button(17)
for i in range(4):
leds[i].source = queued(leds[i + 1].values, 5)
leds[i].source_delay = 0.01
leds[4].source = btn.values
pause()
"""
if qsize < 1:
@@ -381,7 +394,8 @@ def smoothed(values, qsize, average=mean):
from gpiozero import MCP3008
from gpiozero.tools import smoothed
with MCP3008(channel=0) as adc:
adc = MCP3008(channel=0)
for value in smoothed(adc.values, 5):
print(value)
"""
@@ -430,7 +444,8 @@ def pre_periodic_filtered(values, block, repeat_after):
from gpiozero import MCP3008
from gpiozero.tools import pre_periodic_filtered
with MCP3008(channel=0) as adc:
adc = MCP3008(channel=0)
for value in pre_periodic_filtered(adc.values, 50, 0):
print(value)
@@ -439,7 +454,8 @@ def pre_periodic_filtered(values, block, repeat_after):
from gpiozero import MCP3008
from gpiozero.tools import pre_periodic_filtered
with MCP3008(channel=0) as adc:
adc = MCP3008(channel=0)
for value in pre_periodic_filtered(adc.values, 1, 1):
print(value)
"""
@@ -470,7 +486,8 @@ def post_periodic_filtered(values, repeat_after, block):
from gpiozero import MCP3008
from gpiozero.tools import post_periodic_filtered
with MCP3008(channel=0) as adc:
adc = MCP3008(channel=0)
for value in post_periodic_filtered(adc.values, 9, 1):
print(value)
"""
@@ -496,7 +513,9 @@ def random_values():
from signal import pause
led = PWMLED(4)
led.source = random_values()
pause()
If you require a wider range than 0 to 1, see :func:`scaled`.
@@ -517,10 +536,12 @@ def sin_values(period=360):
red = PWMLED(2)
blue = PWMLED(3)
red.source_delay = 0.01
blue.source_delay = red.source_delay
red.source = scaled(sin_values(100), 0, 1, -1, 1)
blue.source = inverted(red.values)
pause()
If you require a different range than -1 to +1, see :func:`scaled`.
@@ -542,10 +563,12 @@ def cos_values(period=360):
red = PWMLED(2)
blue = PWMLED(3)
red.source_delay = 0.01
blue.source_delay = red.source_delay
red.source = scaled(cos_values(100), 0, 1, -1, 1)
blue.source = inverted(red.values)
pause()
If you require a different range than -1 to +1, see :func:`scaled`.
@@ -553,4 +576,3 @@ def cos_values(period=360):
angles = (2 * pi * i / period for i in range(period))
for a in cycle(angles):
yield cos(a)