implement often wished feature :)

[enigma2.git] / lib / python / Screens / InfoBarGenerics.py

diff --git a/lib/python/Screens/InfoBarGenerics.py b/lib/python/Screens/InfoBarGenerics.py
index 1b080d9bbc4bfcbc4cfdd24c1621899936ae2d1e..fc3f011cade56845164f40962af3cc74b2c2309c 100644 (file)
--- a/lib/python/Screens/InfoBarGenerics.py
+++ b/lib/python/Screens/InfoBarGenerics.py
@@ -2,6 +2,7 @@ from Screen import Screen
 from Components.ActionMap import ActionMap, HelpableActionMap
 from Components.ActionMap import NumberActionMap
 from Components.Label import *
+from Components.ProgressBar import *
 from Components.config import configfile, configsequencearg
 from Components.config import config, configElement, ConfigSubsection, configSequence
 from ChannelSelection import ChannelSelection
@@ -383,6 +384,48 @@ class InfoBarEPG:
                        self.epglist[1]=tmp
                        setEvent(self.epglist[0])
 
+from math import log
+
+class InfoBarTuner:
+       """provides a snr/agc/ber display"""
+       def __init__(self):
+               self["snr"] = Label()
+               self["agc"] = Label()
+               self["ber"] = Label()
+               self["snr_percent"] = Label()
+               self["agc_percent"] = Label()
+               self["ber_count"] = Label()
+               self["snr_progress"] = ProgressBar()
+               self["agc_progress"] = ProgressBar()
+               self["ber_progress"] = ProgressBar()
+               self.timer = eTimer()
+               self.timer.timeout.get().append(self.updateTunerInfo)
+               self.timer.start(500)
+
+       def log2(self,val):
+               if not val:
+                       return 0
+               return (long)(log(val)/log(2))
+
+       def updateTunerInfo(self):
+               if self.instance.isVisible():
+                       service = self.session.nav.getCurrentService()
+                       snr=0
+                       agc=0
+                       ber=0
+                       if service is not None:
+                               feinfo = service.frontendStatusInfo()
+                               if feinfo is not None:
+                                       ber=feinfo.getFrontendInfo(iFrontendStatusInformation.bitErrorRate)
+                                       snr=feinfo.getFrontendInfo(iFrontendStatusInformation.signalPower)*100/65536
+                                       agc=feinfo.getFrontendInfo(iFrontendStatusInformation.signalQuality)*100/65536
+                       self["snr_percent"].setText("%d%%"%(snr))
+                       self["agc_percent"].setText("%d%%"%(agc))
+                       self["ber_count"].setText("%d"%(ber))
+                       self["snr_progress"].setValue(snr)
+                       self["agc_progress"].setValue(agc)
+                       self["ber_progress"].setValue(self.log2(ber))
+
 class InfoBarEvent:
        """provides a current/next event info display"""
        def __init__(self):