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from enigma import eDVBFrontendParametersSatellite, eDVBFrontendParameters, eDVBResourceManager, eTimer
class Tuner:
def __init__(self, frontend):
self.frontend = frontend
# transponder = (frequency, symbolrate, polarisation, fec, inversion, orbpos, system, modulation)
# 0 1 2 3 4 5 6 7
def tune(self, transponder):
if self.frontend:
print "tuning to transponder with data", transponder
parm = eDVBFrontendParametersSatellite()
parm.frequency = transponder[0] * 1000
parm.symbol_rate = transponder[1] * 1000
parm.polarisation = transponder[2]
parm.fec = transponder[3]
parm.inversion = transponder[4]
parm.orbital_position = transponder[5]
parm.system = 0 # FIXMEE !! HARDCODED DVB-S (add support for DVB-S2)
parm.modulation = 1 # FIXMEE !! HARDCODED QPSK
feparm = eDVBFrontendParameters()
feparm.setDVBS(parm)
self.lastparm = feparm
self.frontend.tune(feparm)
def retune(self):
if self.frontend:
self.frontend.tune(self.lastparm)
# tunes a list of transponders and checks, if they lock and optionally checks the onid/tsid combination
# 1) add transponders with addTransponder()
# 2) call run(<checkPIDs = True>)
# 3) finishedChecking() is called, when the run is finished
class TuneTest:
def __init__(self, feid, stopOnSuccess = False, stopOnError = False):
self.stopOnSuccess = stopOnSuccess
self.stopOnError = stopOnError
self.feid = feid
self.transponderlist = []
self.currTuned = None
print "TuneTest for feid %d" % self.feid
if not self.openFrontend():
self.oldref = self.session.nav.getCurrentlyPlayingServiceReference()
self.session.nav.stopService() # try to disable foreground service
if not self.openFrontend():
if self.session.pipshown: # try to disable pip
self.session.pipshown = False
del self.session.pip
if not self.openFrontend():
self.frontend = None # in normal case this should not happen
self.tuner = Tuner(self.frontend)
self.timer = eTimer()
self.timer.callback.append(self.updateStatus)
def updateStatus(self):
dict = {}
self.frontend.getFrontendStatus(dict)
print "status:", dict
stop = False
if dict["tuner_state"] == "TUNING":
self.timer.start(100, True)
self.progressCallback((len(self.transponderlist), self.tuningtransponder, self.STATUS_TUNING, self.currTuned))
elif self.checkPIDs and self.pidStatus == self.INTERNAL_PID_STATUS_NOOP:
if dict["tuner_state"] == "LOCKED":
print "acquiring TSID/ONID"
# TODO start getting TSID/ONID
self.pidStatus = self.INTERNAL_PID_STATUS_WAITING
else:
self.pidStatus = self.INTERNAL_PID_STATUS_FAILED
elif self.checkPIDs and self.pidStatus == self.INTERNAL_PID_STATUS_WAITING:
print "waiting for pids"
else:
if dict["tuner_state"] == "LOSTLOCK" or dict["tuner_state"] == "FAILED":
self.tuningtransponder = self.nextTransponder()
self.failedTune.append([self.currTuned, self.oldTuned, "tune_failed"])
if self.stopOnError == True:
stop = True
elif dict["tuner_state"] == "LOCKED":
pidsFailed = False
if self.checkPIDs:
tsid = 0 # TODO read values
onid = 0 # TODO read values
if tsid != self.currTuned[8] or onid != self.currTuned[9]:
self.failedTune.append([self.currTuned, self.oldTuned, "pids_failed"])
pidsFailes = True
elif not self.checkPIDs or (self.checkPids and not pidsFailed):
self.successfullyTune.append([self.currTuned, self.oldTuned])
if self.stopOnSuccess == True:
stop = True
self.tuningtransponder = self.nextTransponder()
else:
print "************* tuner_state:", dict["tuner_state"]
self.progressCallback((len(self.transponderlist), self.tuningtransponder, self.STATUS_NOOP, self.currTuned))
if not stop:
self.tune()
if self.tuningtransponder < len(self.transponderlist) and not stop:
self.timer.start(100, True)
print "restart timer"
else:
self.progressCallback((len(self.transponderlist), self.tuningtransponder, self.STATUS_DONE, self.currTuned))
print "finishedChecking"
self.finishedChecking()
def firstTransponder(self):
print "firstTransponder:"
index = 0
if self.checkPIDs:
print "checkPIDs-loop"
# check for tsid != -1 and onid != -1
print "index:", index
print "len(self.transponderlist):", len(self.transponderlist)
while (index < len(self.transponderlist) and (self.transponderlist[index][8] == -1 or self.transponderlist[index][9] == -1)):
index += 1
print "FirstTransponder final index:", index
return index
def nextTransponder(self):
index = self.tuningtransponder + 1
if self.checkPIDs:
# check for tsid != -1 and onid != -1
while (index < len(self.transponderlist) and self.transponderlist[index][8] != -1 and self.transponderlist[index][9] != -1):
index += 1
return index
def finishedChecking(self):
print "finished testing"
print "successfull:", self.successfullyTune
print "failed:", self.failedTune
def openFrontend(self):
res_mgr = eDVBResourceManager.getInstance()
if res_mgr:
self.raw_channel = res_mgr.allocateRawChannel(self.feid)
if self.raw_channel:
self.frontend = self.raw_channel.getFrontend()
if self.frontend:
return True
else:
print "getFrontend failed"
else:
print "getRawChannel failed"
else:
print "getResourceManager instance failed"
return False
def tune(self):
print "tuning to", self.tuningtransponder
if self.tuningtransponder < len(self.transponderlist):
self.pidStatus = self.INTERNAL_PID_STATUS_NOOP
self.oldTuned = self.currTuned
self.currTuned = self.transponderlist[self.tuningtransponder]
self.tuner.tune(self.transponderlist[self.tuningtransponder])
INTERNAL_PID_STATUS_NOOP = 0
INTERNAL_PID_STATUS_WAITING = 1
INTERNAL_PID_STATUS_SUCCESSFUL = 2
INTERNAL_PID_STATUS_FAILED = 3
def run(self, checkPIDs = False):
self.checkPIDs = checkPIDs
self.pidStatus = self.INTERNAL_PID_STATUS_NOOP
self.failedTune = []
self.successfullyTune = []
self.tuningtransponder = self.firstTransponder()
self.tune()
self.progressCallback((len(self.transponderlist), self.tuningtransponder, self.STATUS_START, self.currTuned))
self.timer.start(100, True)
# transponder = (frequency, symbolrate, polarisation, fec, inversion, orbpos, <system>, <modulation>, <tsid>, <onid>)
# 0 1 2 3 4 5 6 7 8 9
def addTransponder(self, transponder):
self.transponderlist.append(transponder)
def clearTransponder(self):
self.transponderlist = []
STATUS_START = 0
STATUS_TUNING = 1
STATUS_DONE = 2
STATUS_NOOP = 3
# can be overwritten
# progress = (range, value, status, transponder)
def progressCallback(self, progress):
pass
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