helloworld.py
No OneTemporary
Actions

Subscribers

None

File Metadata

	#!/usr/bin/python
	# -- coding: utf-8 --
	import os, sys

	# add ../../Sources to the PYTHONPATH
	sys.path.append(os.path.join("..", "..", "Sources"))
	from yocto_api import *
	from yocto_lightsensor import *


	def usage():
	scriptname = os.path.basename(sys.argv[0])
	print("Usage:")
	print(scriptname + ' <serial_number>')
	print(scriptname + ' <logical_name>')
	print(scriptname + ' any ')
	sys.exit()


	def die(msg):
	sys.exit(msg + ' (check USB cable)')


	errmsg = YRefParam()

	if len(sys.argv) < 2:
	usage()

	target = sys.argv[1]

	# Setup the API to use local USB devices
	if YAPI.RegisterHub("usb", errmsg) != YAPI.SUCCESS:
	sys.exit("init error" + errmsg.value)

	if target == 'any':
	# retreive any Light sensor
	sensor = YLightSensor.FirstLightSensor()
	if sensor is None:
	die('No module connected')
	else:
	sensor = YLightSensor.FindLightSensor(target + '.lightSensor')

	if not (sensor.isOnline()):
	die('device not connected')

	while sensor.isOnline():
	print("Light : " + str(int(sensor.get_currentValue())) + " lx (Ctrl-C to stop)")
	YAPI.Sleep(1000)
	YAPI.FreeAPI()