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Made timetable code optional
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adamdunkels
parent
e7fb51b14c
commit
bf8b5c093d
@ -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: xmac.c,v 1.14 2008/01/23 15:00:54 adamdunkels Exp $
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* $Id: xmac.c,v 1.15 2008/01/24 06:17:51 adamdunkels Exp $
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*/
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/**
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@ -56,7 +56,8 @@
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#include "net/chameleon/packattr.h"
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#endif
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#define WITH_CHANNEL_CHECK 0 /* Seems to work bad */
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#define WITH_TIMETABLE 0
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#define WITH_CHANNEL_CHECK 0 /* Seems to work bad when enabled */
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#define WITH_TIMESYNCH 1
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#define WITH_RECEIVER 1
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#define WITH_QUEUE 0
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@ -139,8 +140,10 @@ static const struct radio_driver *radio;
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static void (* receiver_callback)(const struct mac_driver *);
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#if WITH_TIMETABLE
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#define xmac_timetable_size 256
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TIMETABLE_NONSTATIC(xmac_timetable);
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#endif /* WITH_TIMETABLE */
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/*---------------------------------------------------------------------------*/
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static void
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set_receive_function(void (* recv)(const struct mac_driver *))
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@ -156,7 +159,9 @@ on(void)
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radio->on();
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LEDS_ON(LEDS_RED);
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CPRINTF("/");
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "on");
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#endif
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}
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}
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/*---------------------------------------------------------------------------*/
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@ -166,7 +171,9 @@ off(void)
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if(radio_is_on != 0) {
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radio_is_on = 0;
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radio->off();
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "off");
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#endif
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LEDS_OFF(LEDS_RED);
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CPRINTF("\\");
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}
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@ -203,7 +210,9 @@ powercycle(struct rtimer *t, void *ptr)
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power cycles without having heard a packet, so we turn off
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the radio. */
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waiting_for_packet = 0;
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "off waiting");
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#endif
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off();
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}
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}
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@ -263,7 +272,10 @@ send_packet(void)
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struct xmac_hdr msg;
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int len;
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send");
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#endif
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#if WITH_CHANNEL_CHECK
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/* Check if there are other strobes in the air. */
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waiting_for_packet = 1;
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@ -279,7 +291,10 @@ send_packet(void)
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while(someone_is_sending); /* {printf("z");}*/
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send 2");
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#endif /* WITH_TIMETABLE */
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#endif /* WITH_CHANNEL_CHECK */
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/* By setting we_are_sending to one, we ensure that the rtimer
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@ -327,7 +342,9 @@ send_packet(void)
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rimeaddr_copy(&msg.receiver, &uc_receiver);
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#endif
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send strobe");
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#endif
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/* Send the strobe packet. */
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radio->send((const u8_t *)&msg, sizeof(struct xmac_hdr));
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CPRINTF("+");
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@ -340,7 +357,9 @@ send_packet(void)
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CPRINTF("_");
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if(rimeaddr_cmp(&msg.sender, &rimeaddr_node_addr) &&
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rimeaddr_cmp(&msg.receiver, &rimeaddr_node_addr)) {
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send ack received");
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#endif
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CPRINTF("@");
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/* We got an ACK from the receiver, so we can immediately send
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the packet. */
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@ -360,7 +379,9 @@ send_packet(void)
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}
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if(got_ack /* XXX && needs_ack */) {
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send got ack");
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#endif
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on(); /* Wait for possible ACK packet */
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} else {
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on(); /* shell ping don't seem to work with off() here, so we'll
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@ -368,7 +389,9 @@ send_packet(void)
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}
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if(rimeaddr_cmp(&hdr->receiver, &rimeaddr_null) || got_ack) {
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send packet");
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#endif
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radio->send(rimebuf_hdrptr(), rimebuf_totlen());
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CPRINTF("#");
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}
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@ -386,7 +409,9 @@ send_packet(void)
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/* printf("Strobe %d got_ack %d\n", strobes, got_ack);*/
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we_are_sending = 0;
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "send we_are_sending = 0");
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#endif
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LEDS_OFF(LEDS_BLUE);
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return 1;
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@ -462,7 +487,9 @@ read_packet(void)
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acknowledge the strobe and wait for the packet. By using
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the same address as both sender and receiver, we flag the
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message is a strobe ack. */
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "read send ack");
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#endif
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rimeaddr_copy(&msg.receiver, &hdr->sender);
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rimeaddr_copy(&msg.sender, &hdr->sender);
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CPRINTF("!");
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@ -489,7 +516,9 @@ read_packet(void)
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someone_is_sending = 0;
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if(rimeaddr_cmp(&hdr->receiver, &rimeaddr_node_addr) ||
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rimeaddr_cmp(&hdr->receiver, &rimeaddr_null)) {
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#if WITH_TIMETABLE
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TIMETABLE_TIMESTAMP(xmac_timetable, "read got packet");
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#endif
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/* This is a regular packet that is destined to us or to the
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broadcast address. */
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@ -514,7 +543,9 @@ read_packet(void)
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const struct mac_driver *
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xmac_init(const struct radio_driver *d)
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{
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#if WITH_TIMETABLE
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timetable_clear(&xmac_timetable);
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#endif
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radio_is_on = 0;
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waiting_for_packet = 0;
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PT_INIT(&pt);
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