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from GUIComponent import GUIComponent
from enigma import eLabel, eSlider, iFrontendInformation
from math import log
class TunerInfo(GUIComponent):
SNR = 0
AGC = 1
BER = 2
LOCK = 3
SNR_PERCENTAGE = 0
AGC_PERCENTAGE = 1
BER_VALUE = 2
SNR_BAR = 3
AGC_BAR = 4
BER_BAR = 5
LOCK_STATE = 6
SYNC_STATE = 7
def __init__(self, type, servicefkt = None, frontendfkt = None):
GUIComponent.__init__(self)
self.instance = None
self.message = None
self.value = None
self.servicefkt = servicefkt
self.frontendfkt = frontendfkt
self.type = type
self.update()
def setText(self, text):
self.message = text
if self.instance:
self.instance.setText(self.message)
def setValue(self, value):
self.value = value
if self.instance:
self.instance.setValue(self.value)
def calc(self,val):
if not val:
return 0
if val < 2500:
return (long)(log(val)/log(2))
return val*100/65535
def update(self):
if self.type == self.SNR_PERCENTAGE or self.type == self.SNR_BAR:
value = self.getValue(self.SNR) * 100 / 65536
elif self.type == self.AGC_PERCENTAGE or self.type == self.AGC_BAR:
value = self.getValue(self.AGC) * 100 / 65536
elif self.type == self.BER_VALUE or self.type == self.BER_BAR:
value = self.getValue(self.BER)
elif self.type == self.LOCK_STATE:
value = self.getValue(self.LOCK)
if self.type == self.SNR_PERCENTAGE or self.type == self.AGC_PERCENTAGE:
self.setText("%d%%" % (value))
elif self.type == self.BER_VALUE:
self.setText("%d" % (value))
elif self.type == self.SNR_BAR or self.type == self.AGC_BAR:
self.setValue(value)
elif self.type == self.BER_BAR:
self.setValue(self.calc(value))
elif self.type == self.LOCK_STATE:
if value == 1:
self.setText(_("locked"))
else:
self.setText(_("not locked"))
def getValue(self, what):
if self.servicefkt is not None:
service = self.servicefkt()
if service is not None:
feinfo = service.frontendInfo()
if feinfo is not None:
if what == self.SNR:
return feinfo.getFrontendInfo(iFrontendInformation.signalPower)
elif what == self.AGC:
return feinfo.getFrontendInfo(iFrontendInformation.signalQuality)
elif what == self.BER:
return feinfo.getFrontendInfo(iFrontendInformation.bitErrorRate)
elif what == self.LOCK:
return feinfo.getFrontendInfo(iFrontendInformation.lockState)
elif self.frontendfkt is not None:
frontend = self.frontendfkt()
if what == self.SNR:
return frontend.readFrontendData(iFrontendInformation.signalPower)
elif what == self.AGC:
return frontend.readFrontendData(iFrontendInformation.signalQuality)
elif what == self.BER:
return frontend.readFrontendData(iFrontendInformation.bitErrorRate)
elif what == self.LOCK:
return frontend.readFrontendData(iFrontendInformation.lockState)
return 0
def createWidget(self, parent):
if self.SNR_PERCENTAGE <= self.type <= self.BER_VALUE or self.type == self.LOCK_STATE:
return eLabel(parent)
elif self.SNR_BAR <= self.type <= self.BER_BAR:
self.g = eSlider(parent)
self.g.setRange(0, 100)
return self.g
def postWidgetCreate(self, instance):
if self.message is not None:
instance.setText(self.message)
elif self.value is not None:
instance.setValue(self.value)
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