lots of changes
diff --git a/xml/sensor.xml b/xml/sensor.xml
new file mode 100644
index 0000000..a6d0a9b
--- /dev/null
+++ b/xml/sensor.xml
@@ -0,0 +1,69 @@
+<node>

+	<interface name="org.openbmc.SensorInteger">

+		<method name="init"/>

+		<method name="getValue">

+			<arg name="value" type="i" direction="out"/>

+		</method>

+		<method name="setValue">

+			<arg name="value" type="i" direction="in"/>

+		</method>

+		<method name="getUnits">

+			<arg name="units" type="s" direction="out"/>

+		</method>

+		<method name="setPollInterval">

+			<arg name="poll_interval" type="i" direction="in"/>

+		</method>

+

+                <property name="value" type="i" access="readwrite"/>

+		<property name="units" type="s" access="read"/>

+		<property name="poll_interval" type="i" access="read"/>

+		<property name="heatbeat" type="i" access="read"/>

+

+		<signal name="Changed">

+			<arg name="value" type="i"/>

+			<arg name="units" type="s"/>

+		</signal>

+		<signal name="Heartbeat">

+			<arg name="bus_name" type="s"/>

+		</signal>

+	</interface>

+        <interface name="org.openbmc.SensorString">

+                <method name="getValue">

+                        <arg name="value" type="s" direction="out"/>

+                </method>

+		<method name="getUnits">

+			<arg name="units" type="s" direction="out"/>

+		</method>

+                <property name="value" type="i" access="read"/>

+		<property name="units" type="s" access="read"/>

+                <signal name="Changed">

+                        <arg name="value" type="s"/>

+                </signal>

+        </interface>	

+	<interface name="org.openbmc.SensorIntegerThreshold">

+		<method name="set">

+			<arg name="lower_critical" type="i" direction="in"/>

+			<arg name="lower_warning"  type="i" direction="in"/>

+			<arg name="upper_warning"  type="i" direction="in"/>

+			<arg name="upper_critical" type="i" direction="in"/>

+		</method>

+		<method name="getState">

+			<arg name="state" type="i" direction="out"/>

+		</method>

+

+		<property name="lower_critical" type="i" access="readwrite"/>

+		<property name="lower_warning"  type="i" access="readwrite"/>

+		<property name="upper_warning"  type="i" access="readwrite"/>

+		<property name="upper_critical" type="i" access="readwrite"/>

+		<property name="state" type="i" access="read"/>

+

+		<signal name="Warning"/>

+		<signal name="Critical"/>

+		<signal name="Normal"/>

+	</interface>

+	<interface name="org.openbmc.SensorI2c">

+		<property name="dev_path" type="s" access="readwrite"/>

+		<property name="address"  type="s" access="readwrite"/>

+	</interface>

+

+</node>