Author: remi
Date: 2009-09-08 09:31:28 +0200 (Tue, 08 Sep 2009)
New Revision: 5336
Added:
software_suite_v3/smart-core/smart-server/trunk/resources/02_robot/10_resourceRF.py
Log:
* Added a resource to manage the WIFI avoidance and the sleep mode.
Added:
software_suite_v3/smart-core/smart-server/trunk/resources/02_robot/10_resourceRF.py
===================================================================
---
software_suite_v3/smart-core/smart-server/trunk/resources/02_robot/10_resourceRF.py
(rev 0)
+++
software_suite_v3/smart-core/smart-server/trunk/resources/02_robot/10_resourceRF.py
2009-09-08 07:31:28 UTC (rev 5336)
@@ -0,0 +1,356 @@
+#
==============================================================================
+# Wifi avoidance resource.
+#
==============================================================================
+
+import math
+
+from util.wifi.TuxWifiChannel import TuxWifiChannel
+from util.misc import URLTools
+
+#
------------------------------------------------------------------------------
+# Wifi and ATR2406
+#
------------------------------------------------------------------------------
+
+FLOAT_INT_ROUND = 0
+FLOAT_INT_FLOOR = 1
+FLOAT_INT_CEIL = 0
+
+WIFI_LOWER_FREQ = 2401
+WIFI_FIRST_CHANNEL_C_FREQ = 2412
+WIFI_CHANNEL_STEP = 5
+WIFI_CHANNEL_BANDWIDTH = 22
+WIFI_DEFAULT_AVOIDED_BANDWIDTH = 55
+
+ATR2406_FIRST_FREQ = 2401.056
+ATR2406_CHANNEL_STEP = 0.864
+ATR2406_MIN_CHANNEL = 0
+ATR2406_MAX_CHANNEL = 94
+
+def ATR2406_ChannelToFreq(channel):
+ return ATR2406_FIRST_FREQ + (channel * ATR2406_CHANNEL_STEP)
+
+def ATR2406_FreqToChannel(freq, ff = FLOAT_INT_ROUND):
+ freq -= ATR2406_FIRST_FREQ
+ channel = freq / ATR2406_CHANNEL_STEP
+ if ff == FLOAT_INT_FLOOR:
+ result = int(math.floor(channel))
+ elif ff == FLOAT_INT_CEIL:
+ result = int(math.ceil(channel))
+ else:
+ result = int(channel + 0.5)
+ if result < ATR2406_MIN_CHANNEL:
+ result = ATR2406_MIN_CHANNEL
+ elif result > ATR2406_MAX_CHANNEL:
+ result = ATR2406_MAX_CHANNEL
+ return result
+
+def WIFI_ChannelToFreq(channel):
+ if channel == 14:
+ return 2484
+ else:
+ channel -= 1
+ return WIFI_FIRST_CHANNEL_C_FREQ + (WIFI_CHANNEL_STEP * channel)
+
+def WIFI_ChannelLowFreq(channel, bandwidth = WIFI_CHANNEL_BANDWIDTH):
+ freq = WIFI_ChannelToFreq(channel)
+ freq -= bandwidth / 2
+ if freq < WIFI_LOWER_FREQ:
+ freq = WIFI_LOWER_FREQ
+ return freq
+
+def WIFI_ChannelHighFreq(channel, bandwidth = WIFI_CHANNEL_BANDWIDTH):
+ freq = WIFI_ChannelToFreq(channel)
+ freq += bandwidth / 2
+ return freq
+
+def WIFI_ATR2406_ChannelInfos(channel, bandwidth = WIFI_CHANNEL_BANDWIDTH):
+ wCFreq = WIFI_ChannelToFreq(channel)
+ wLFreq = WIFI_ChannelLowFreq(channel, bandwidth)
+ wHFreq = WIFI_ChannelHighFreq(channel, bandwidth)
+ aCChan = ATR2406_FreqToChannel(wCFreq, FLOAT_INT_ROUND)
+ aCFreq = ATR2406_ChannelToFreq(aCChan)
+ aLChan = ATR2406_FreqToChannel(wLFreq, FLOAT_INT_FLOOR)
+ aLFreq = ATR2406_ChannelToFreq(aLChan)
+ aHChan = ATR2406_FreqToChannel(wHFreq, FLOAT_INT_CEIL)
+ aHFreq = ATR2406_ChannelToFreq(aHChan)
+ aBandWidth = aHFreq - aLFreq
+ return wCFreq, wLFreq, wHFreq, aCChan, aCFreq, aLChan, aLFreq, aHChan,
aHFreq, aBandWidth
+
+#
------------------------------------------------------------------------------
+# Declaration of the resource "rf".
+#
------------------------------------------------------------------------------
+class TDSResourceRF(TDSResource):
+
+ #
--------------------------------------------------------------------------
+ # Inherited methods from TDSResource
+ #
--------------------------------------------------------------------------
+
+ def configure(self):
+ self.name = "rf"
+ self.comment = "Resource to manage the radio connection."
+ self.fileName = RESOURCE_FILENAME
+ self.__wifiChanDetector = TuxWifiChannel()
+ self.__flagsMutex = threading.Lock()
+ self.__channelInUse = None
+ self.__connectionDetected = False
+ defaultConfiguration = {
+ 'avoided_channel' : None,
+ 'avoided_bandwidth' : WIFI_DEFAULT_AVOIDED_BANDWIDTH,
+ }
+ self.configurator.load('resourceRF.conf', defaultConfiguration)
+ self.statesChecker()
+ resourceScheduler.createTask_RunEveryX(
+ "Wifi avoidance task",
+ [True, True, True, True, True, True, True],
+ [0, 0, 0],
+ [23, 59, 59],
+ [0, 0, 15],
+ "resourceRF.statesChecker",
+ (),
+ None)
+
eventsHandler.getEventHandler(ST_NAME_DONGLE_PLUG).register(self.__onDonglePlugCallback)
+
eventsHandler.getEventHandler(ST_NAME_RADIO_STATE).register(self.__onRadioStateCallback)
+
+ #
--------------------------------------------------------------------------
+ # Inherited methods from TDSResource
+ #
--------------------------------------------------------------------------
+
+ def __channelIsInUse(self):
+ self.__flagsMutex.acquire()
+ result = self.__channelInUse
+ self.__flagsMutex.release()
+ return result
+
+ def __setChannelInUse(self, channel):
+ self.__flagsMutex.acquire()
+ self.__channelInUse = channel
+ self.__flagsMutex.release()
+
+ def __connectionIsDetected(self):
+ self.__flagsMutex.acquire()
+ result = self.__connectionDetected
+ self.__flagsMutex.release()
+ return result
+
+ def __setConnectionDetected(self, value):
+ self.__flagsMutex.acquire()
+ self.__connectionDetected = value
+ self.__flagsMutex.release()
+
+ def statesChecker(self):
+ userChannel = self.configurator.getConfiguration()['avoided_channel']
+ userBandwidth =
self.configurator.getConfiguration()['avoided_bandwidth']
+ if self.__channelIsInUse() == None:
+ if userChannel != None:
+ print "Avoid user selected channel :", userChannel
+ self.avoidChannel(userChannel, userBandwidth)
+ self.__setChannelInUse(userChannel)
+ self.__setConnectionDetected(True)
+ else:
+ if URLTools.URLCheck("http://ftp.kysoh.com";, 5.0):
+ detectedChannel = self.detectChannel()
+ if detectedChannel != None:
+ print "Avoid auto detected channel :", detectedChannel
+ self.avoidChannel(detectedChannel,
WIFI_DEFAULT_AVOIDED_BANDWIDTH)
+ self.__setChannelInUse(detectedChannel)
+ self.__setConnectionDetected(True)
+ else:
+ print "Can't detect wifi channel, default is 1"
+ self.avoidChannel(1, WIFI_DEFAULT_AVOIDED_BANDWIDTH)
+ self.__setChannelInUse(1)
+ self.__setConnectionDetected(True)
+
+ def resetStates(self):
+ print "Reset wifi channel states"
+ self.__setChannelInUse(None)
+ self.__setConnectionDetected(False)
+
+ def detectChannel(self):
+ """Get the currently used wifi channel by your wifi network.
+ @return: The channel as integer or None.
+ """
+ channel = self.__wifiChanDetector.getCurrent()
+ return channel
+
+ def avoidChannel(self, channel, bandwidth):
+ """Avoid a WIFI channel from the RF connection.
+ @param channel: Wifi channel to avoid.
+ @param bandwidth: Bandwith around the avoid channel (in MHz).
+ """
+ wCFreq, wLFreq, wHFreq, aCChan, aCFreq, aLChan, aLFreq, aHChan,
aHFreq, aBandWidth = WIFI_ATR2406_ChannelInfos(channel, bandwidth)
+ cmd = "RAW_CMD:0x00:0x88:0x%.2x:0x%.2x:0x00" % (aLChan, aHChan)
+ resourceTuxDriver.executeRawCommand(cmd)
+
+ def sleepTuxDroid(self):
+ """Switch Tux Droid to sleep mode.
+ """
+ cmd = "RAW_CMD:0x00:0xB7:0x01:0x00:0x00"
+ resourceTuxDriver.executeRawCommand(cmd)
+
+ def wakeUpTuxDroid(self):
+ """Waking up Tux Droid.
+ """
+ cmd = "RAW_CMD:0x00:0xB6:0xFF:0x01:0x00"
+ resourceTuxDriver.executeRawCommand(cmd)
+
+ #
==========================================================================
+ # Private methods
+ #
==========================================================================
+
+ #
--------------------------------------------------------------------------
+ # Event on dongle plug/unplug.
+ #
--------------------------------------------------------------------------
+ def __onDonglePlugCallback(self, value, delay):
+ """Event on dongle plug/unplug.
+ """
+ if not value:
+ self.resetStates()
+
+ #
--------------------------------------------------------------------------
+ # Event on radio state change.
+ #
--------------------------------------------------------------------------
+ def __onRadioStateCallback(self, value, delay):
+ """Event on radio state change.
+ """
+ if value:
+ self.statesChecker()
+ else:
+ self.resetStates()
+
+# Create an instance of the resource
+resourceRF = TDSResourceRF("resourceRF")
+# Register the resource into the resources manager
+resourcesManager.addResource(resourceRF)
+
+#
------------------------------------------------------------------------------
+# Declaration of the service "avoid".
+#
------------------------------------------------------------------------------
+class TDSServiceRFAvoid(TDSService):
+
+ def configure(self):
+ self.parametersDict = {
+ 'channel' : 'uint8',
+ }
+ self.minimalUserLevel = TDS_CLIENT_LEVEL_ANONYMOUS
+ self.exclusiveExecution = True
+ self.name = "avoid"
+ self.comment = "Avoid a wifi channel in the RF connection."
+
+ def execute(self, id, parameters):
+ headersStruct = self.getDefaultHeadersStruct()
+ contentStruct = self.getDefaultContentStruct()
+ contentStruct['root']['result'] = getStrError(E_TDREST_SUCCESS)
+ channel = parameters['channel']
+ configurator = resourceRF.getConfigurator()
+ configurator.getConfiguration()['avoided_channel'] = channel
+ configurator.getConfiguration()['avoided_bandwidth'] =
WIFI_DEFAULT_AVOIDED_BANDWIDTH
+ configurator.store()
+ resourceRF.resetStates()
+ resourceRF.statesChecker()
+ return headersStruct, contentStruct
+
+# Register the service into the resource
+resourceRF.addService(TDSServiceRFAvoid)
+
+#
------------------------------------------------------------------------------
+# Declaration of the service "avoid_ex".
+#
------------------------------------------------------------------------------
+class TDSServiceRFAvoidEx(TDSService):
+
+ def configure(self):
+ self.parametersDict = {
+ 'channel' : 'uint8',
+ 'bandwidth' : 'uint8',
+ }
+ self.minimalUserLevel = TDS_CLIENT_LEVEL_ANONYMOUS
+ self.exclusiveExecution = True
+ self.name = "avoid_ex"
+ self.comment = "Avoid a wifi channel in the RF connection."
+
+ def execute(self, id, parameters):
+ headersStruct = self.getDefaultHeadersStruct()
+ contentStruct = self.getDefaultContentStruct()
+ contentStruct['root']['result'] = getStrError(E_TDREST_SUCCESS)
+ channel = parameters['channel']
+ bandwidth = parameters['bandwidth']
+ configurator = resourceRF.getConfigurator()
+ configurator.getConfiguration()['avoided_channel'] = channel
+ configurator.getConfiguration()['avoided_bandwidth'] = bandwidth
+ configurator.store()
+ resourceRF.resetStates()
+ resourceRF.statesChecker()
+ return headersStruct, contentStruct
+
+# Register the service into the resource
+resourceRF.addService(TDSServiceRFAvoidEx)
+
+#
------------------------------------------------------------------------------
+# Declaration of the service "auto_avoid".
+#
------------------------------------------------------------------------------
+class TDSServiceRFAutoAvoid(TDSService):
+
+ def configure(self):
+ self.parametersDict = {}
+ self.minimalUserLevel = TDS_CLIENT_LEVEL_ANONYMOUS
+ self.exclusiveExecution = True
+ self.name = "auto_avoid"
+ self.comment = "Automatic avoidance of wifi channel in the RF
connection."
+
+ def execute(self, id, parameters):
+ headersStruct = self.getDefaultHeadersStruct()
+ contentStruct = self.getDefaultContentStruct()
+ contentStruct['root']['result'] = getStrError(E_TDREST_SUCCESS)
+ configurator = resourceRF.getConfigurator()
+ configurator.getConfiguration()['avoided_channel'] = None
+ configurator.getConfiguration()['avoided_bandwidth'] =
WIFI_DEFAULT_AVOIDED_BANDWIDTH
+ configurator.store()
+ resourceRF.resetStates()
+ resourceRF.statesChecker()
+ return headersStruct, contentStruct
+
+# Register the service into the resource
+resourceRF.addService(TDSServiceRFAutoAvoid)
+
+#
------------------------------------------------------------------------------
+# Declaration of the service "sleep".
+#
------------------------------------------------------------------------------
+class TDSServiceRFSleep(TDSService):
+
+ def configure(self):
+ self.parametersDict = {}
+ self.minimalUserLevel = TDS_CLIENT_LEVEL_ANONYMOUS
+ self.exclusiveExecution = True
+ self.name = "sleep"
+ self.comment = "Sleeping."
+
+ def execute(self, id, parameters):
+ headersStruct = self.getDefaultHeadersStruct()
+ contentStruct = self.getDefaultContentStruct()
+ contentStruct['root']['result'] = getStrError(E_TDREST_SUCCESS)
+ resourceRF.sleepTuxDroid()
+ return headersStruct, contentStruct
+
+# Register the service into the resource
+resourceRF.addService(TDSServiceRFSleep)
+
+#
------------------------------------------------------------------------------
+# Declaration of the service "wake_up".
+#
------------------------------------------------------------------------------
+class TDSServiceRFWakeUp(TDSService):
+
+ def configure(self):
+ self.parametersDict = {}
+ self.minimalUserLevel = TDS_CLIENT_LEVEL_ANONYMOUS
+ self.exclusiveExecution = True
+ self.name = "wake_up"
+ self.comment = "Wake up."
+
+ def execute(self, id, parameters):
+ headersStruct = self.getDefaultHeadersStruct()
+ contentStruct = self.getDefaultContentStruct()
+ contentStruct['root']['result'] = getStrError(E_TDREST_SUCCESS)
+ resourceRF.wakeUpTuxDroid()
+ return headersStruct, contentStruct
+
+# Register the service into the resource
+resourceRF.addService(TDSServiceRFWakeUp)
------------------------------------------------------------------------------
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