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from enigma import eComponentScan, eDVBFrontendParametersSatellite, eDVBFrontendParametersCable, eDVBFrontendParametersTerrestrial
class ServiceScan:
Idle = 1
Running = 2
Done = 3
Error = 4
Errors = {
0: "error starting scanning",
1: "error while scanning",
2: "no resource manager",
3: "no channel list"
}
def scanStatusChanged(self):
if self.state == self.Running:
self.progressbar.setValue(self.scan.getProgress())
if self.scan.isDone():
errcode = self.scan.getError()
if errcode == 0:
self.state = self.Done
else:
self.state = self.Error
self.errorcode = errcode
else:
self.text.setText("scan in progress - %d %% done!\n%d services found!" % (self.scan.getProgress(), self.scan.getNumServices()))
if self.state == self.Done:
self.text.setText("scan done!")
if self.state == self.Error:
self.text.setText("ERROR - failed to scan (%s)!" % (self.Errors[self.errorcode]) )
def __init__(self, progressbar, text, transponders):
self.progressbar = progressbar
self.text = text
self.scan = eComponentScan()
self.state = self.Idle
self.scanStatusChanged()
if 1:
parm = eDVBFrontendParametersSatellite()
parm.frequency = 11817000
parm.symbol_rate = 27500000
parm.polarisation = 1 # eDVBFrontendParametersSatellite.Polarisation.Vertical
parm.fec = 3 # eDVBFrontendParametersSatellite.FEC.f3_4;
parm.inversion = 1 #eDVBFrontendParametersSatellite.Inversion.Off;
parm.orbital_position = 192
else:
parm = eDVBFrontendParametersTerrestrial()
parm.frequency = 626000000;
parm.inversion = 2 # eDVBFrontendParametersTerrestrial.Inversion.Unknown;
parm.bandwidth = 0 #eDVBFrontendParametersTerrestrial.Bandwidth.Bw8MHz;
parm.code_rate_HP = parm.code_rate_LP = 6 #eDVBFrontendParametersTerrestrial.FEC.fAuto;
parm.modulation = 1 #eDVBFrontendParametersTerrestrial.Modulation.QAM16;
parm.transmission_mode = 1 # eDVBFrontendParametersTerrestrial.TransmissionMode.TM8k;
parm.guard_interval = 0 # eDVBFrontendParametersTerrestrial.GuardInterval.GI_1_32;
parm.hierarchy = 0 #eDVBFrontendParametersTerrestrial.Hierarchy.HNone;
for x in transponders:
self.scan.addInitial(x)
#self.scan.addInitial(parm)
def execBegin(self):
self.scan.statusChanged.get().append(self.scanStatusChanged)
self.state = self.Running
err = self.scan.start()
if err:
self.state = self.Error
self.errorcode = 0
self.scanStatusChanged()
def execEnd(self):
self.scan.statusChanged.get().remove(self.scanStatusChanged)
if not self.isDone():
print "*** warning *** scan was not finished!"
def isDone(self):
print "state is %d " % (self.state)
return self.state == self.Done or self.state == self.Error
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