devicelog.py
9f2fba144c8fmaster

devicelog.py
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			#!/usr/bin/python
			# -- coding: utf-8 --
			import sys

			from yocto_api import *


			def logfun(m, s):
			print(m.get_serialNumber() + ' : ' + s)


			def deviceArrival(m):
			serial = m.get_serialNumber()
			print('Device arrival : ' + serial)
			m.registerLogCallback(logfun)


			def deviceRemoval(m):
			print('Device removal : ' + m.get_serialNumber())


			errmsg = YRefParam()

			# No exception please
			YAPI.DisableExceptions()

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

			YAPI.RegisterDeviceArrivalCallback(deviceArrival)
			YAPI.RegisterDeviceRemovalCallback(deviceRemoval)

			print('Hit Ctrl-C to Stop ')
			while True:
			YAPI.UpdateDeviceList(errmsg) # traps plug/unplug events
			YAPI.Sleep(500, errmsg) # traps others events