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listen time and off time parameters configurable from outside because cc1020 needs longer listen time.
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: lpp.c,v 1.10 2009/03/12 21:58:20 adamdunkels Exp $
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* $Id: lpp.c,v 1.11 2009/03/26 12:50:57 nvt-se Exp $
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*/
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/**
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@ -100,9 +100,19 @@ static struct queuebuf *queued_packet;
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static uint8_t is_listening = 0;
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#define LISTEN_TIME CLOCK_SECOND / 64
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#define OFF_TIME CLOCK_SECOND * 1
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#define PACKET_LIFETIME LISTEN_TIME + OFF_TIME
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#ifdef LPP_CONF_LISTEN_TIME
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#define LPP_LISTEN_TIME LPP_CONF_LISTEN_TIME
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#else
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#define LPP_LISTEN_TIME CLOCK_SECOND / 64
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#endif /* LPP_CONF_LISTEN_TIME */
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#ifdef LPP_CONF_OFF_TIME
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#define LPP_OFF_TIME LPP_CONF_OFF_TIME
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#else
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#define LPP_OFF_TIME CLOCK_SECOND * 1
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#endif /* LPP_CONF_OFF_TIME */
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#define PACKET_LIFETIME LPP_LISTEN_TIME + LPP_OFF_TIME
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#define DUMP_QUEUED_PACKET 0
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@ -187,7 +197,7 @@ dutycycle(void *ptr)
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while(1) {
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turn_radio_on();
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send_probe();
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ctimer_set(t, LISTEN_TIME, (void (*)(void *))dutycycle, t);
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ctimer_set(t, LPP_LISTEN_TIME, (void (*)(void *))dutycycle, t);
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PT_YIELD(&pt);
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if(queued_packet == NULL) {
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@ -196,12 +206,12 @@ dutycycle(void *ptr)
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/* There is a bit of randomness here right now to avoid collisions
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due to synchronization effects. Not sure how needed it is
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though. XXX */
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ctimer_set(t, OFF_TIME / 2 + (random_rand() % (OFF_TIME / 2)),
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ctimer_set(t, LPP_OFF_TIME / 2 + (random_rand() % (LPP_OFF_TIME / 2)),
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(void (*)(void *))dutycycle, t);
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PT_YIELD(&pt);
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} else {
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is_listening--;
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ctimer_set(t, OFF_TIME,
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ctimer_set(t, LPP_OFF_TIME,
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(void (*)(void *))dutycycle, t);
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PT_YIELD(&pt);
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}
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@ -406,7 +416,7 @@ lpp_init(const struct radio_driver *d)
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{
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radio = d;
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radio->set_receive_function(input_packet);
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ctimer_set(&timer, LISTEN_TIME, (void (*)(void *))dutycycle, &timer);
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ctimer_set(&timer, LPP_LISTEN_TIME, (void (*)(void *))dutycycle, &timer);
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announcement_register_listen_callback(listen_callback);
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