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Bugfix: idle power consumption was sometimes misestimated for transmissions, when a duty cycle rtimer fired in the middle of a transmission

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This commit is contained in:
Adam Dunkels 2011-04-13 14:10:02 +02:00
parent 31a14c3d90
commit af4ce9ba9e
1 changed files with 16 additions and 80 deletions
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96
core/net/mac/contikimac.c
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@ -301,12 +301,8 @@ schedule_powercycle(struct rtimer *t, rtimer_clock_t time)
time = RTIMER_NOW() - RTIMER_TIME(t) + 2;
}
#if NURTIMER
r = rtimer_reschedule(t, time, 1);
#else
r = rtimer_set(t, RTIMER_TIME(t) + time, 1,
(void (*)(struct rtimer *, void *))powercycle, NULL);
#endif
if(r != RTIMER_OK) {
printf("schedule_powercycle: could not set rtimer\n");
}
@ -323,12 +319,8 @@ schedule_powercycle_fixed(struct rtimer *t, rtimer_clock_t fixed_time)
fixed_time = RTIMER_NOW() + 1;
}
#if NURTIMER
r = rtimer_reschedule(t, RTIMER_TIME(t) - time, 1);
#else
r = rtimer_set(t, fixed_time, 1,
(void (*)(struct rtimer *, void *))powercycle, NULL);
#endif
if(r != RTIMER_OK) {
printf("schedule_powercycle: could not set rtimer\n");
}
@ -337,8 +329,14 @@ schedule_powercycle_fixed(struct rtimer *t, rtimer_clock_t fixed_time)
static void
powercycle_turn_radio_off(void)
{
uint8_t was_on = radio_is_on;
if(we_are_sending == 0) {
off();
#if CONTIKIMAC_CONF_COMPOWER
if(was_on && !radio_is_on) {
compower_accumulate(&compower_idle_activity);
}
#endif /* CONTIKIMAC_CONF_COMPOWER */
}
}
static void
@ -363,16 +361,11 @@ powercycle(struct rtimer *t, void *ptr)
cycle_start += CYCLE_TIME;
if(WITH_STREAMING && is_streaming) {
#if NURTIMER
if(!RTIMER_CLOCK_LT(cycle_start, RTIMER_NOW(), stream_until))
#else
if(!RTIMER_CLOCK_LT(RTIMER_NOW(), stream_until))
#endif
{
is_streaming = 0;
rimeaddr_copy(&is_streaming_to, &rimeaddr_null);
rimeaddr_copy(&is_streaming_to_too, &rimeaddr_null);
}
if(!RTIMER_CLOCK_LT(RTIMER_NOW(), stream_until)) {
is_streaming = 0;
rimeaddr_copy(&is_streaming_to, &rimeaddr_null);
rimeaddr_copy(&is_streaming_to_too, &rimeaddr_null);
}
}
packet_seen = 0;
@ -384,11 +377,7 @@ powercycle(struct rtimer *t, void *ptr)
powercycle_turn_radio_on();
// schedule_powercycle_fixed(t, t0 + CCA_CHECK_TIME);
#if 0
#if NURTIMER
while(RTIMER_CLOCK_LT(t0, RTIMER_NOW(), t0 + CCA_CHECK_TIME));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + CCA_CHECK_TIME));
#endif
#endif /* 0 */
/* Check if a packet is seen in the air. If so, we keep the
radio on for a while (LISTEN_TIME_AFTER_PACKET_DETECTED) to
@ -401,10 +390,6 @@ powercycle(struct rtimer *t, void *ptr)
break;
}
powercycle_turn_radio_off();
#if CONTIKIMAC_CONF_COMPOWER
compower_accumulate(&compower_idle_activity);
#endif /* CONTIKIMAC_CONF_COMPOWER */
}
// schedule_powercycle_fixed(t, t0 + CCA_CHECK_TIME + CCA_SLEEP_TIME);
schedule_powercycle_fixed(t, RTIMER_NOW() + CCA_SLEEP_TIME);
@ -441,9 +426,6 @@ powercycle(struct rtimer *t, void *ptr)
}
if(silence_periods > MAX_SILENCE_PERIODS) {
powercycle_turn_radio_off();
#if CONTIKIMAC_CONF_COMPOWER
compower_accumulate(&compower_idle_activity);
#endif /* CONTIKIMAC_CONF_COMPOWER */
break;
}
if(WITH_FAST_SLEEP &&
@ -451,9 +433,6 @@ powercycle(struct rtimer *t, void *ptr)
!(NETSTACK_RADIO.receiving_packet() ||
NETSTACK_RADIO.pending_packet())) {
powercycle_turn_radio_off();
#if CONTIKIMAC_CONF_COMPOWER
compower_accumulate(&compower_idle_activity);
#endif /* CONTIKIMAC_CONF_COMPOWER */
break;
}
if(NETSTACK_RADIO.pending_packet()) {
@ -469,9 +448,6 @@ powercycle(struct rtimer *t, void *ptr)
!RTIMER_CLOCK_LT(RTIMER_NOW(),
(start + LISTEN_TIME_AFTER_PACKET_DETECTED))) {
powercycle_turn_radio_off();
#if CONTIKIMAC_CONF_COMPOWER
compower_accumulate(&compower_idle_activity);
#endif /* CONTIKIMAC_CONF_COMPOWER */
}
}
}
@ -766,11 +742,7 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr)
for(i = 0; i < CCA_COUNT_MAX; ++i) {
t0 = RTIMER_NOW();
on();
#if NURTIMER
while(RTIMER_CLOCK_LT(t0, RTIMER_NOW(), t0 + CCA_CHECK_TIME));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + CCA_CHECK_TIME)) { }
#endif
if(NETSTACK_RADIO.channel_clear() == 0) {
collisions++;
off();
@ -778,11 +750,7 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr)
}
off();
t0 = RTIMER_NOW();
#if NURTIMER
while(RTIMER_CLOCK_LT(t0, RTIMER_NOW(), t0 + CCA_SLEEP_TIME));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + CCA_SLEEP_TIME)) { }
#endif
}
}
@ -801,15 +769,9 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr)
watchdog_periodic();
t0 = RTIMER_NOW();
#if NURTIMER
for(strobes = 0, collisions = 0;
got_strobe_ack == 0 && collisions == 0 &&
RTIMER_CLOCK_LT(t0, RTIMER_NOW(), t0 + STROBE_TIME); strobes++) {
#else
for(strobes = 0, collisions = 0;
got_strobe_ack == 0 && collisions == 0 &&
RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + STROBE_TIME); strobes++) {
#endif
watchdog_periodic();
@ -830,21 +792,15 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr)
ret = NETSTACK_RADIO.transmit(transmit_len);
wt = RTIMER_NOW();
#if NURTIMER
while(RTIMER_CLOCK_LT(wt, RTIMER_NOW(), wt + INTER_PACKET_INTERVAL));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), wt + INTER_PACKET_INTERVAL)) { }
#endif
if(!is_broadcast && (NETSTACK_RADIO.receiving_packet() ||
NETSTACK_RADIO.pending_packet() ||
NETSTACK_RADIO.channel_clear() == 0)) {
uint8_t ackbuf[ACK_LEN];
wt = RTIMER_NOW();
#if NURTIMER
while(RTIMER_CLOCK_LT(wt, RTIMER_NOW(), wt + AFTER_ACK_DETECTECT_WAIT_TIME));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), wt + AFTER_ACK_DETECTECT_WAIT_TIME)) { }
#endif
len = NETSTACK_RADIO.read(ackbuf, ACK_LEN);
if(len == ACK_LEN) {
got_strobe_ack = 1;
@ -1088,22 +1044,16 @@ send_announcement(void *ptr)
for(i = 0; i < CCA_COUNT_MAX; ++i) {
t = RTIMER_NOW();
on();
#if NURTIMER
while(RTIMER_CLOCK_LT(t, RTIMER_NOW(), t + CCA_CHECK_TIME));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), t + CCA_CHECK_TIME));
#endif
if(NETSTACK_RADIO.channel_clear() == 0) {
collisions++;
off();
break;
}
off();
#if NURTIMER
while(RTIMER_CLOCK_LT(t0, RTIMER_NOW(), t + CCA_SLEEP_TIME + CCA_CHECK_TIME));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), t + CCA_SLEEP_TIME + CCA_CHECK_TIME)) { }
#endif
}
if(collisions == 0) {
@ -1112,11 +1062,8 @@ send_announcement(void *ptr)
NETSTACK_RADIO.transmit(transmit_len);
t = RTIMER_NOW();
#if NURTIMER
while(RTIMER_CLOCK_LT(t, RTIMER_NOW(), t + INTER_PACKET_INTERVAL));
#else
while(RTIMER_CLOCK_LT(RTIMER_NOW(), t + INTER_PACKET_INTERVAL)) { }
#endif
NETSTACK_RADIO.transmit(transmit_len);
}
we_are_sending = 0;
@ -1158,15 +1105,8 @@ init(void)
{
radio_is_on = 0;
PT_INIT(&pt);
#if NURTIMER
rtimer_setup(&rt, RTIMER_HARD,
(void (*)(struct rtimer *, void *, int status))powercycle,
NULL);
rtimer_schedule(&rt, CYCLE_TIME, 1);
#else
rtimer_set(&rt, RTIMER_NOW() + CYCLE_TIME, 1,
(void (*)(struct rtimer *, void *))powercycle, NULL);
#endif
contikimac_is_on = 1;
@ -1187,12 +1127,8 @@ turn_on(void)
if(contikimac_is_on == 0) {
contikimac_is_on = 1;
contikimac_keep_radio_on = 0;
#if NURTIMER
rtimer_schedule(&rt, CYCLE_TIME, 1);
#else
rtimer_set(&rt, RTIMER_NOW() + CYCLE_TIME, 1,
(void (*)(struct rtimer *, void *))powercycle, NULL);
#endif
}
return 1;
}