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/*
* Copyright (c) 2007 Stanford University.
* 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 Stanford University 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 STANFORD
* UNIVERSITY 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 Kevin Klues <klueska@cs.stanford.edu>
* @date July 24, 2007
*/
#include "LowPowerSensingConstants.h"
module LowPowerSensingBaseC {
uses {
interface Boot;
interface Queue<message_t> as MsgQueue;
interface Leds;
interface LowPowerListening as LPL;
interface SplitControl as SerialAMControl;
interface AMPacket as SerialAMPacket;
interface Packet as SerialPacket;
interface SplitControl as RadioAMControl;
interface AMPacket as RadioAMPacket;
interface Packet as RadioPacket;
interface Receive as SerialRequestSampleMsgsReceive;
interface AMSend as RadioRequestSampleMsgsSend;
interface Receive as RadioSampleMsgReceive;
interface AMSend as SerialSampleMsgSend;
}
}
implementation {
bool serialSending;
am_addr_t dest_addr;
message_t request_samples_msg;
message_t sample_msg;
serial_sample_msg_t* sample_msg_payload;
event void Boot.booted() {
serialSending = FALSE;
sample_msg_payload = (serial_sample_msg_t*)call SerialPacket.getPayload(&sample_msg, sizeof(serial_sample_msg_t));
call RadioAMControl.start();
}
event void RadioAMControl.startDone(error_t error) {
call SerialAMControl.start();
}
event void SerialAMControl.startDone(error_t error) {
}
event void RadioAMControl.stopDone(error_t error) {
}
event void SerialAMControl.stopDone(error_t error) {
}
event message_t* SerialRequestSampleMsgsReceive.receive(message_t* msg, void* payload, uint8_t len) {
serial_request_samples_msg_t* request_msg = payload;
call Leds.led0On();
call LPL.setRemoteWakeupInterval(&request_samples_msg, LPL_INTERVAL+100);
call RadioRequestSampleMsgsSend.send(request_msg->addr, &request_samples_msg, sizeof(request_samples_msg_t));
return msg;
}
event void RadioRequestSampleMsgsSend.sendDone(message_t* msg, error_t error) {
if(error == SUCCESS)
call Leds.led0Off();
}
event message_t* RadioSampleMsgReceive.receive(message_t* msg, void* payload, uint8_t len) {
call Leds.led2Toggle();
if(call MsgQueue.empty() == FALSE || serialSending == TRUE)
call MsgQueue.enqueue(*msg);
else {
sample_msg_payload->src_addr = call RadioAMPacket.source(msg);
sample_msg_payload->sample = *((nx_sensor_sample_t*)payload);
dest_addr = call SerialAMPacket.destination(msg);
serialSending = TRUE;
call SerialSampleMsgSend.send(dest_addr, &sample_msg, sizeof(*sample_msg_payload));
}
return msg;
}
event void SerialSampleMsgSend.sendDone(message_t* msg, error_t error) {
if(call MsgQueue.empty() == FALSE) {
sample_msg = call MsgQueue.dequeue();
dest_addr = call SerialAMPacket.destination(msg);
call SerialSampleMsgSend.send(dest_addr, &sample_msg, sizeof(serial_sample_msg_t));
}
else serialSending = FALSE;
}
}
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