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Format Screaming Cauldron

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Craig Richardson 2018-05-14 18:34:39 +01:00
parent 7e7e396b97
commit e2a22db1ed
1 changed files with 17 additions and 13 deletions
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ScreamingCauldron/screamingCauldron.py
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@ -1,12 +1,13 @@
# Screaming Cauldron # Screaming Cauldron
# for Adafruit Industries Learning Guide # for Adafruit Industries Learning Guide
from digitalio import DigitalInOut, Direction
from analogio import AnalogIn
import neopixel
import board
import time import time
import board
import neopixel
from analogio import AnalogIn
from digitalio import DigitalInOut, Direction
led = DigitalInOut(board.D13) # on board red LED led = DigitalInOut(board.D13) # on board red LED
led.direction = Direction.OUTPUT led.direction = Direction.OUTPUT
@ -24,27 +25,30 @@ pixels = neopixel.NeoPixel(neoPin, numPix, auto_write=0, brightness=.8)
pixels.fill((0, 0, 0,)) pixels.fill((0, 0, 0,))
pixels.show() pixels.show()
def getVoltage(pin):
def get_voltage(pin):
return (pin.value * 3.3) / 65536 return (pin.value * 3.3) / 65536
def remapRange(value, leftMin, leftMax, rightMin, rightMax):
def remap_range(value, left_min, left_max, right_min, right_max):
# this remaps a value from original (left) range to new (right) range # this remaps a value from original (left) range to new (right) range
# Figure out how 'wide' each range is # Figure out how 'wide' each range is
leftSpan = leftMax - leftMin leftSpan = left_max - left_min
rightSpan = rightMax - rightMin rightSpan = right_max - right_min
# Convert the left range into a 0-1 range (int) # Convert the left range into a 0-1 range (int)
valueScaled = int(value - leftMin) / int(leftSpan) valueScaled = int(value - left_min) / int(leftSpan)
# Convert the 0-1 range into a value in the right range. # Convert the 0-1 range into a value in the right range.
return int(rightMin + (valueScaled * rightSpan)) return int(right_min + (valueScaled * rightSpan))
while True: while True:
distRaw = analog0in.value # read the raw sensor value distRaw = analog0in.value # read the raw sensor value
print("A0: %f" % distRaw) # write raw value to REPL print("A0: %f" % distRaw) # write raw value to REPL
distRedColor = remapRange(distRaw, 0, 64000, 0, 255) distRedColor = remap_range(distRaw, 0, 64000, 0, 255)
distGreenColor = remapRange(distRaw, 0, 64000, 200, 0) distGreenColor = remap_range(distRaw, 0, 64000, 200, 0)
if(distRaw > 40000): # at about 4 inches, this goes off! if distRaw > 40000: # at about 4 inches, this goes off!
led.value = True led.value = True
aFXPin.value = False aFXPin.value = False
time.sleep(.35) time.sleep(.35)