Diff: mbedEndpointResources/LocationResource.h

Revision:

7:68f1eadf4a63

Child:

9:0370006a6988

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbedEndpointResources/LocationResource.h	Sat Jul 25 05:16:06 2015 +0000
@@ -0,0 +1,68 @@
+/**
+ * @file    LocationResource.h
+ * @brief   mbed CoAP Endpoint Location resource supporting CoAP GET
+ * @author  Doug Anson
+ * @version 1.0
+ * @see
+ *
+ * Copyright (c) 2014
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __LOCATION_RESOURCE_H__
+#define __LOCATION_RESOURCE_H__
+
+// Base class
+#include "DynamicResource.h"
+
+// our Location source
+#include "MBEDUbloxGPS.h"
+extern RawSerial pc;             // main.cpp
+MBEDUbloxGPS _ublox_gps(&pc);    // U-blox GPS support
+
+// Maximum Location JSON Length : {"latitude":XXX.YYYYYY, "longitude":XXX.YYYYYY, "msl":XXXXXX, "speed":XXXXXX}
+#define LOCATION_JSON_LENGTH  96
+
+/** LocationResource class
+ */
+class LocationResource : public DynamicResource
+{
+public:
+    /**
+    Default constructor
+    @param logger input logger instance for this resource
+    @param name input the Location resource name
+    @param observable input the resource is Observable (default: FALSE)
+    */
+    LocationResource(const Logger *logger,const char *name,const bool observable = false) : DynamicResource(logger,name,"Location",SN_GRS_GET_ALLOWED,observable) {
+    }
+
+    /**
+    Get the value of the Location sensor
+    @returns string containing the temperature sensor value
+    */
+    virtual string get() {
+        _ublox_gps.updateLocation();
+        char json[LOCATION_JSON_LENGTH+1];
+        memset(json,0,LOCATION_JSON_LENGTH+1);
+        sprintf(json,"{\"latitude\":%s,\"longitude\":%s,\"msl\":%s,\"speed\":%s}",
+                    _ublox_gps.getLatitude(),
+                    _ublox_gps.getLongitude(),
+                    _ublox_gps.getMSLAltitude(),
+                    _ublox_gps.getSpeed());
+        return string(json);
+    }
+};
+
+#endif // __TEMPERATURE_RESOURCE_H__
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