--- /dev/null
+/*
+ * Copyright (c) 2005-2006 Rincon Research Corporation
+ * 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 Rincon Research Corporation 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
+ * RINCON RESEARCH OR ITS 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
+ */
+
+/**
+ * @author Phil Levis
+ * @author David Moss
+ */
+interface ActiveMessageAddress {
+ /**
+ * @return the active message address of this node
+ */
+ async command am_addr_t amAddress();
+
+ /**
+ * Set the active message address of this node
+ * @param addr The target active message address
+ */
+ async command void setAmAddress(am_addr_t addr);
+
+ /**
+ * @return the group address of this node
+ */
+ async command am_group_t amGroup();
+
+ /**
+ * Set the group address of this node
+ * @param group The group address
+ */
+ async command void setAmGroup(am_group_t group);
+
+
+ /**
+ * Notification that the address or group settings changed.
+ */
+ async event void changed();
+
+}
*/
/**
- * Component that stores the node's active message address.
+ * Component that stores the node's active message address and group ID.
*
* @author Philip Levis
- * @date June 19 2005
+ * @author David Moss
*/
module ActiveMessageAddressC {
- provides async command am_addr_t amAddress();
- provides async command void setAmAddress(am_addr_t a);
+ provides {
+ interface ActiveMessageAddress;
+ async command am_addr_t amAddress();
+ async command void setAmAddress(am_addr_t a);
+ }
}
implementation {
+
+ /** Node address */
am_addr_t addr = TOS_AM_ADDRESS;
+ /** Group address */
+ am_group_t group = TOS_AM_GROUP;
+
+
+ /***************** ActiveMessageAddress Commands ****************/
+ /**
+ * @return the active message address of this node
+ */
+ async command am_addr_t ActiveMessageAddress.amAddress() {
+ return call amAddress();
+ }
+
+ /**
+ * Set the active message address of this node
+ * @param a The target active message address
+ */
+ async command void ActiveMessageAddress.setAmAddress(am_addr_t a) {
+ call setAmAddress(a);
+ }
+
+
+ /**
+ * @return the group address of this node
+ */
+ async command am_group_t ActiveMessageAddress.amGroup() {
+ return group;
+ }
+
+ /**
+ * Set the group address of this node
+ * @param group The group address
+ */
+ async command void ActiveMessageAddress.setAmGroup(am_group_t myGroup) {
+ group = myGroup;
+ signal ActiveMessageAddress.changed();
+ }
+
+ /***************** Deprecated Commands ****************/
/**
* Get the node's default AM address.
* @return address
+ * @deprecated Use ActiveMessageAddress.amAddress() instead
*/
async command am_addr_t amAddress() {
return addr;
* Set the node's default AM address.
*
* @param a - the address.
+ * @deprecated Use ActiveMessageAddress.setAmAddress() instead
*/
async command void setAmAddress(am_addr_t a) {
addr = a;
+ signal ActiveMessageAddress.changed();
}
+
+
+ /***************** Defaults ****************/
+ /**
+ * Notification that the address of this node changed.
+ */
+ default async event void ActiveMessageAddress.changed() {
+ }
+
}