-/*
- * 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 David Moss
- */
-
-module SpiOffP {
- uses {
- interface Boot;
- interface Timer<TMilli>;
- interface AMSend;
- interface Receive;
- interface Leds;
- interface SplitControl;
- interface AMPacket;
- }
-}
-
-implementation {
-
- message_t myMsg;
-
- bool radioOn;
-
- /***************** Prototypes ****************/
- task void send();
- task void on();
- task void off();
-
- /***************** Boot Events ****************/
- event void Boot.booted() {
- radioOn = FALSE;
-
- if(call AMPacket.address() != 0) {
- call Timer.startPeriodic(768);
- post send();
-
- } else {
- call Timer.startPeriodic(128);
- }
- }
-
- /***************** SplitControl Events ****************/
- event void SplitControl.startDone(error_t error) {
- call Leds.led2On();
- radioOn = TRUE;
- }
-
- event void SplitControl.stopDone(error_t error) {
- call Leds.set(0);
- radioOn = FALSE;
- }
-
- /***************** Send Events ****************/
- event void AMSend.sendDone(message_t *msg, error_t error) {
- call Leds.led1Toggle();
- post send();
- }
-
- /***************** Receive Events ****************/
- event message_t *Receive.receive(message_t *msg, void *payload, uint8_t len) {
- call Leds.led1Toggle();
- return msg;
- }
-
- /***************** Timer Events *****************/
- event void Timer.fired() {
- if(radioOn) {
- post off();
- } else {
- post on();
- }
- }
-
- /***************** Tasks ****************/
- task void send() {
- if(call AMSend.send(0, &myMsg, 28) != SUCCESS) {
- call Leds.led1Off();
- call Leds.led0Toggle();
- post send();
-
- } else {
- call Leds.led0Off();
- }
- }
-
- task void on() {
- if(call SplitControl.start() != SUCCESS) {
- post on();
- }
- }
-
- task void off() {
- if(call SplitControl.stop() != SUCCESS) {
- post off();
- }
- }
-}
-
-