simpletest.py

# Simple demo of reading color data with the TCS34725 sensor.
# Will read the color from the sensor and print it out along with lux and
# color temperature.
# Author: Tony DiCola
# License: Public Domain
import time

# Import the TCS34725 module.
import Adafruit_TCS34725


# Create a TCS34725 instance with default integration time (2.4ms) and gain (4x).
import smbus
tcs = Adafruit_TCS34725.TCS34725()

# You can also override the I2C device address and/or bus with parameters:
#tcs = Adafruit_TCS34725.TCS34725(address=0x30, busnum=2)

# Or you can change the integration time and/or gain:
#tcs = Adafruit_TCS34725.TCS34725(integration_time=Adafruit_TCS34725.TCS34725_INTEGRATIONTIME_700MS,
#                                 gain=Adafruit_TCS34725.TCS34725_GAIN_60X)
# Possible integration time values:
#  - TCS34725_INTEGRATIONTIME_2_4MS  (2.4ms, default)
#  - TCS34725_INTEGRATIONTIME_24MS
#  - TCS34725_INTEGRATIONTIME_50MS
#  - TCS34725_INTEGRATIONTIME_101MS
#  - TCS34725_INTEGRATIONTIME_154MS
#  - TCS34725_INTEGRATIONTIME_700MS
# Possible gain values:
#  - TCS34725_GAIN_1X
#  - TCS34725_GAIN_4X
#  - TCS34725_GAIN_16X
#  - TCS34725_GAIN_60X

# Disable interrupts (can enable them by passing true, see the set_interrupt_limits function too).
tcs.set_interrupt(False)

# Read the R, G, B, C color data.
r, g, b, c = tcs.get_raw_data()

# Calculate color temperature using utility functions.  You might also want to
# check out the colormath library for much more complete/accurate color functions.
color_temp = Adafruit_TCS34725.calculate_color_temperature(r, g, b)

# Calculate lux with another utility function.
lux = Adafruit_TCS34725.calculate_lux(r, g, b)

# Print out the values.
print('Color: red={0} green={1} blue={2} clear={3}'.format(r, g, b, c))

# Print out color temperature.
if color_temp is None:
    print('Too dark to determine color temperature!')
else:
    print('Color Temperature: {0} K'.format(color_temp))

# Print out the lux.
print('Luminosity: {0} lux'.format(lux))

# Enable interrupts and put the chip back to low power sleep/disabled.
tcs.set_interrupt(True)
tcs.disable()