interface PacketAcknowledgements;
interface LowPowerListeningConfig as Config;
interface Timer<TMilli>;
+ interface SystemLowPowerListening;
}
}
// minimum wakeup time to catch a transmission in milliseconds
LISTEN_WAKEUP = 6U, // use xxxL if LISTEN_WAKEUP * 10000 > 65535
- // extra wakeup time after receiving a message in milliseconds
- AFTER_RECEIVE = 10U,
-
- // extra wakeup time after transmitting a message in milliseconds
- AFTER_TRANSMIT = 10U,
-
MIN_SLEEP = 2, // the minimum sleep interval in milliseconds
MAX_SLEEP = 30000, // the maximum sleep interval in milliseconds
MIN_DUTY = 2, // the minimum duty cycle
};
- uint16_t sleepInterval;
+ uint16_t sleepInterval = LPL_DEF_LOCAL_WAKEUP;
message_t* txMsg;
error_t txError;
}
else if( state == SEND_TIMER )
{
- transmitInterval = call LowPowerListening.getRxSleepInterval(txMsg);
+ transmitInterval = call LowPowerListening.getRemoteWakeupInterval(txMsg);
if( transmitInterval > 0 )
call Timer.startOneShot(transmitInterval);
{
state = LISTEN;
if( sleepInterval > 0 )
- call Timer.startOneShot(AFTER_TRANSMIT);
+ call Timer.startOneShot(call SystemLowPowerListening.getDelayAfterReceive());
signal Send.sendDone(txMsg, txError);
}
state = LISTEN;
if( state == LISTEN && sleepInterval > 0 )
- call Timer.startOneShot(AFTER_RECEIVE);
+ call Timer.startOneShot(call SystemLowPowerListening.getDelayAfterReceive());
return signal Receive.receive(msg);
}
// TODO: extend the PacketAcknowledgements interface with getAckRequired
if( error != SUCCESS
- || call LowPowerListening.getRxSleepInterval(msg) == 0
+ || call LowPowerListening.getRemoteWakeupInterval(msg) == 0
|| state == SEND_SUBSEND_DONE_LAST
|| (call Config.getAckRequired(msg) && call PacketAcknowledgements.wasAcked(msg)) )
{
return ((void*)msg) + sizeof(message_t) - call RadioPacket.metadataLength(msg);
}
- command uint16_t LowPowerListening.dutyCycleToSleepInterval(uint16_t dutyCycle)
- {
- if( dutyCycle >= 10000 )
- return 0;
- else if( dutyCycle <= MIN_DUTY )
- return MAX_SLEEP;
-
- return ((10000U * LISTEN_WAKEUP) / dutyCycle) - LISTEN_WAKEUP;
- }
-
- command uint16_t LowPowerListening.sleepIntervalToDutyCycle(uint16_t interval)
- {
- if( interval < MIN_SLEEP )
- return 10000;
- else if( interval >= MAX_SLEEP )
- return MIN_DUTY;
-
- return (10000U * LISTEN_WAKEUP) / (LISTEN_WAKEUP + interval);
- }
-
- command void LowPowerListening.setLocalSleepInterval(uint16_t interval)
+ command void LowPowerListening.setLocalWakeupInterval(uint16_t interval)
{
if( interval < MIN_SLEEP )
interval = 0;
}
}
- command uint16_t LowPowerListening.getLocalSleepInterval()
+ command uint16_t LowPowerListening.getLocalWakeupInterval()
{
return sleepInterval;
}
- command void LowPowerListening.setLocalDutyCycle(uint16_t dutyCycle)
- {
- call LowPowerListening.setLocalSleepInterval(
- call LowPowerListening.dutyCycleToSleepInterval(dutyCycle));
- }
-
- command uint16_t LowPowerListening.getLocalDutyCycle()
- {
- return call LowPowerListening.sleepIntervalToDutyCycle(sleepInterval);
- }
-
- command void LowPowerListening.setRxSleepInterval(message_t *msg, uint16_t interval)
+ command void LowPowerListening.setRemoteWakeupInterval(message_t *msg, uint16_t interval)
{
if( interval < MIN_SLEEP )
interval = 0;
getMeta(msg)->sleepint = interval;
}
- command uint16_t LowPowerListening.getRxSleepInterval(message_t *msg)
+ command uint16_t LowPowerListening.getRemoteWakeupInterval(message_t *msg)
{
return getMeta(msg)->sleepint;
}
- command void LowPowerListening.setRxDutyCycle(message_t *msg, uint16_t dutyCycle)
- {
- call LowPowerListening.setRxSleepInterval(msg,
- call LowPowerListening.dutyCycleToSleepInterval(dutyCycle));
- }
-
- command uint16_t LowPowerListening.getRxDutyCycle(message_t *msg)
- {
- return call LowPowerListening.sleepIntervalToDutyCycle(
- call LowPowerListening.getRxSleepInterval(msg));
- }
-
/*----------------- RadioPacket -----------------*/
async command uint8_t RadioPacket.headerLength(message_t* msg)