#!/usr/bin/python

# Author: Joe Gutting
# With use of Adafruit SI1145 library for Arduino, Adafruit_GPIO.I2C & BMP Library by Tony DiCola
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

# Can enable debug output by uncommenting:
#import logging
#logging.basicConfig(level=logging.DEBUG)

import time
import SI1145.SI1145 as SI1145


# Default constructor will pick a default I2C bus.
#
# For the Raspberry Pi this means you should hook up to the only exposed I2C bus
# from the main GPIO header and the library will figure out the bus number based
# on the Pi's revision.
#
# For the Beaglebone Black the library will assume bus 1 by default, which is
# exposed with SCL = P9_19 and SDA = P9_20.

sensor = SI1145.SI1145()

print 'Press Cntrl + Z to cancel'

while True:
        vis = sensor.readVisible()
        IR = sensor.readIR()
        UV = sensor.readUV()
        uvIndex = UV / 100.0
        print 'Vis:             ' + str(vis)
        print 'IR:              ' + str(IR)
        print 'UV Index:        ' + str(uvIndex)

        time.sleep(3)


#!/usr/bin/python

# Author: Joe Gutting
# With use of Adafruit SI1145 library for Arduino, Adafruit_GPIO.I2C & BMP Library by Tony DiCola
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

# Can enable debug output by uncommenting:
#import logging
#logging.basicConfig(level=logging.DEBUG)

import time
import SI1145.SI1145 as SI1145


# Default constructor will pick a default I2C bus.
#
# For the Raspberry Pi this means you should hook up to the only exposed I2C bus
# from the main GPIO header and the library will figure out the bus number based
# on the Pi's revision.
#
# For the Beaglebone Black the library will assume bus 1 by default, which is
# exposed with I2C1_SCL = P9_17 and I2C1_SDA = P9_18
# Header pinout: http://beagleboard.org/static/images/cape-headers-i2c.png
# Configure the pins for I2C with these pins:
#   sudo config-pin p9.17 i2c
#   sudo config-pin p9.18 i2c

sensor = SI1145.SI1145()

print 'Press Cntrl + Z to cancel'

while True:
        vis = sensor.readVisible()
        IR = sensor.readIR()
        UV = sensor.readUV()
        uvIndex = UV / 100.0
        print 'Vis:             ' + str(vis)
        print 'IR:              ' + str(IR)
        print 'UV Index:        ' + str(uvIndex)

        time.sleep(3)


Update Beaglebone Black instructions to use P9_17 and P9_18