From 4b8c8a054ffa5cf8bf15ad1a6cafaa07c14432e2 Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Mon, 26 Jun 2006 18:33:13 +0000
Subject: [PATCH] add FrontendStatus source, add converter to SNR/AGC/BER bar
 and text

---
 .../Components/Converter/FrontendInfo.py      | 59 +++++++++++++++++++
 lib/python/Components/Converter/Makefile.am   |  4 +-
 .../Components/Sources/FrontendStatus.py      | 40 +++++++++++++
 lib/python/Components/Sources/Makefile.am     |  5 +-
 4 files changed, 102 insertions(+), 6 deletions(-)
 create mode 100644 lib/python/Components/Converter/FrontendInfo.py
 create mode 100644 lib/python/Components/Sources/FrontendStatus.py

diff --git a/lib/python/Components/Converter/FrontendInfo.py b/lib/python/Components/Converter/FrontendInfo.py
new file mode 100644
index 00000000..a1064b97
--- /dev/null
+++ b/lib/python/Components/Converter/FrontendInfo.py
@@ -0,0 +1,59 @@
+from Components.Converter.Converter import Converter
+
+class FrontendInfo(Converter, object):
+	BER = 0
+	SNR = 1
+	AGC = 2
+	LOCK = 3
+
+	def __init__(self, type, *args, **kwargs):
+		Converter.__init__(self)
+		if type == "BER":
+			self.type = self.BER
+		elif type == "SNR":
+			self.type = self.SNR
+		elif type == "AGC":
+			self.type = self.AGC
+		else:
+			self.type = self.LOCK
+
+	def getText(self):
+		assert self.type != self.LOCK, "the text output of FrontendInfo cannot be used for lock info"
+		if self.type == self.BER: # as count
+			count = self.source.ber
+			if count is not None:
+				return str(count)
+			else:
+				return "N/A"
+		elif self.type == self.AGC:
+			percent = self.source.agc
+		elif self.type == self.SNR:
+			percent = self.source.snr
+		
+		if percent is None:
+			return "N/A"
+
+		return "%d %%" % (percent * 100 / 65536)
+
+	def getBool(self):
+		assert self.type == LOCK, "the boolean output of FrontendInfo can only be used for lock info"
+		return self.source.lock
+
+	text = property(getText)
+
+	bool = property(getBool)
+
+	def getValue(self):
+		assert self.type != self.LOCK, "the value/range output of FrontendInfo can not be used for lock info"
+		if self.type == self.AGC:
+			return self.source.agc or 0
+		elif self.type == self.SNR:
+			return self.source.snr or 0
+		elif self.type == self.BER:
+			if self.BER < self.range:
+				return self.BER or 0
+			else:
+				return self.range
+
+	range = 65536
+	value = property(getValue)
diff --git a/lib/python/Components/Converter/Makefile.am b/lib/python/Components/Converter/Makefile.am
index d449bccb..59cb068f 100644
--- a/lib/python/Components/Converter/Makefile.am
+++ b/lib/python/Components/Converter/Makefile.am
@@ -2,6 +2,4 @@ installdir = $(LIBDIR)/enigma2/python/Components/Converter
 
 install_PYTHON = \
 	__init__.py ClockToText.py Converter.py EventName.py StaticText.py EventTime.py \
-	Poll.py RemainingToText.py StringList.py ServiceName.py
-
-
+	Poll.py RemainingToText.py StringList.py ServiceName.py FrontendInfo.py
diff --git a/lib/python/Components/Sources/FrontendStatus.py b/lib/python/Components/Sources/FrontendStatus.py
new file mode 100644
index 00000000..778b4363
--- /dev/null
+++ b/lib/python/Components/Sources/FrontendStatus.py
@@ -0,0 +1,40 @@
+from Source import Source
+from enigma import eTimer, iFrontendInformation
+
+class FrontendStatus(Source):
+	def __init__(self, service_source = None, frontend_source = None):
+		Source.__init__(self)
+		self.service_source = service_source
+		self.frontend_source = frontend_source
+		self.invalidate()
+		
+		self.poll_timer = eTimer()
+		self.poll_timer.timeout.get().append(self.updateFrontendStatus)
+		self.poll_timer.start(1000)
+
+	def invalidate(self):
+		self.snr = self.agc = self.ber = self.lock = None
+
+	def updateFrontendStatus(self):
+		print "update frontend status. %d downstream elements" % len(self.downstream_elements)
+		feinfo = self.getFrontendInfo()
+		if feinfo is None:
+			self.invalidate()
+		else:
+			(self.snr, self.agc, self.ber, self.lock) = \
+				[feinfo.getFrontendInfo(x) \
+					for x in [iFrontendInformation.signalPower, 
+						iFrontendInformation.signalQuality, 
+						iFrontendInformation.bitErrorRate, 
+						iFrontendInformation.lockState] ]
+
+		self.changed()
+
+	def getFrontendInfo(self):
+		if self.frontend_source:
+			return self.frontend_source()
+		elif self.service_source:
+			service = self.service_source()
+			return service and service.frontendInfo()
+		else:
+			return None
diff --git a/lib/python/Components/Sources/Makefile.am b/lib/python/Components/Sources/Makefile.am
index a7d5ae90..c3a75f86 100644
--- a/lib/python/Components/Sources/Makefile.am
+++ b/lib/python/Components/Sources/Makefile.am
@@ -1,6 +1,5 @@
 installdir = $(LIBDIR)/enigma2/python/Components/Sources
 
 install_PYTHON = \
-	__init__.py Clock.py EventInfo.py Source.py MenuList.py CurrentService.py
-
-
+	__init__.py Clock.py EventInfo.py Source.py MenuList.py CurrentService.py \
+	FrontendStatus.py
-- 
2.30.2