adds TMP36/LM35 library with an example

examples/tmp36-lm35.py

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+"""
+ tmp36-lm35.py
+ Alaa Agwa - 3/2014
+
+ Example program for PyBBIO's TMP36LM35 library.
+ Reads the temerature from the TMP36 or LM35 sensors from analog pin.
+
+ This example program is in the public domain.
+"""
+from bbio import *
+from TMP36LM35 import *
+
+data_pin = GPIO1_15  # P8.15
+
+sensor = TMP36LM35(data_pin)
+
+def setup():
+	pass
+
+def loop():
+	temp = sensor.readTempC()
+	if (not temp):
+    	# The sensor reported an error.
+    	print "Error reading the sensor value"
+  	else:
+    	print "Temp: %0.2f C" % temp
+
+	delay(1000)
+
+run(setup,loop)

libraries/TMP36-LM35/README

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+Servo - v0.1
+
+Copyright 2014 Alaa Agwa
+agwatic@gmail.com
+
+Library for controlling servo motors with the BeagleBone's PWM pins.
+
+
+As well as the included example programs:
+ PyBBIO/examples/tmp36-lm35.py
+
+
+
+Servo is released as part of PyBBIO under its Apache 2.0 license.
+See PyBBIO/LICENSE.txt
+

libraries/TMP36-LM35/TMP36LM35.py

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+"""
+ Servo - v0.1
+ Copyright 2012 Alexander Hiam
+
+ Library for reading the values of TMP36/LM35 temperature sensors.
+"""
+
+from bbio import *
+
+class TMP36LM35(object):
+  def __init__(self, data_pin=None):
+
+    self.data_pin = data_pin
+
+  def readTempC(self):
+    """ Gets the sensor data in Celsius """
+    return ((analogRead(self.data_pin)*3.3)/1024) # 3.3 for the gpio pin it's max volt are 3.3 V
+
+
+  def readTempF(self):
+    """ Return the sensor data in Fahrenheit """
+    tempC = ((analogRead(self.data_pin)*3.3)/1024) # 3.3 for the gpio pin it's max volt are 3.3 V
+    return ((tempC * 9.0/5.0) + 32)
+
+

libraries/TMP36-LM35/__init__.py

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+# __init__.py for TMP36LM35
+
+from TMP36LM35 import *