Updated files.

[tinyos-2.x.git] / tos / platforms / eyesIFX / sensors / RssiSensorVccP.nc

diff --git a/tos/platforms/eyesIFX/sensors/RssiSensorVccP.nc b/tos/platforms/eyesIFX/sensors/RssiSensorVccP.nc
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+/* -*- mode:c++ -*-
+ * Copyright (c) 2004, Technische Universitaet Berlin
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright 
+ *   notice, this list of conditions and the following disclaimer in the 
+ *   documentation and/or other materials provided with the distribution.
+ * - Neither the name of the Technische Universitaet Berlin nor the names 
+ *   of its contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * - Revision -------------------------------------------------------------
+ * $Revision$
+ * $Date$
+ * @author: Jan Hauer <hauer@tkn.tu-berlin.de>
+ * ========================================================================
+ */
+
+/** 
+ *
+ * Please refer to TEP 109 for more information about this component and its
+ * intended use. This component provides platform-independent access to the
+ * RSSI sensor exported by the TDA5250 radio on the eyesIFXv{1,2} platform.
+ * Note: The radio must be configured to output the RSSI on the pin!
+ *
+ * @author Jan Hauer
+ */
+
+#include <sensors.h>
+
+module RssiSensorVccP
+{
+    provides {
+        interface ReadNow<uint16_t> as ReadNow;
+        interface Resource as ReadNowResource;
+    }
+    uses {
+        interface Resource as SubResource;
+        interface Msp430Adc12SingleChannel as SingleChannel;
+    }
+}
+implementation
+{
+    async command error_t ReadNow.read() {
+        return call SingleChannel.getData();
+    }
+    
+    async event error_t SingleChannel.singleDataReady(uint16_t data) {
+      signal ReadNow.readDone(SUCCESS, data);
+      return FAIL;  
+    }
+
+    async event uint16_t* SingleChannel.multipleDataReady(uint16_t buffer[], uint16_t numSamples){
+      return 0;
+    }
+    
+    async command error_t ReadNowResource.request() {
+        return call SubResource.request();
+    }
+    
+    async command error_t ReadNowResource.immediateRequest() {
+        error_t res = call SubResource.immediateRequest();
+        if(res == SUCCESS) {
+            res = call SingleChannel.configureSingle(&sensorconfigurations[RSSI_SENSOR_VCC]);
+            if(res != SUCCESS) call SubResource.release();
+        }
+        return res;
+    }
+
+    event void SubResource.granted() {
+        call SingleChannel.configureSingle(&sensorconfigurations[RSSI_SENSOR_VCC]);
+        signal ReadNowResource.granted();
+    }
+
+    async command error_t ReadNowResource.release() {
+        return call SubResource.release();
+    }
+    
+    async command bool ReadNowResource.isOwner() {
+        return call SubResource.isOwner();
+    }
+}