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added DCO/CPU speed re-synch each 30 seconds
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@ -1,5 +1,5 @@
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/* -*- C -*- */
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/* @(#)$Id: contiki-conf.h,v 1.32 2009/01/15 09:04:04 fros4943 Exp $ */
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/* @(#)$Id: contiki-conf.h,v 1.33 2009/02/04 19:32:20 joxe Exp $ */
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#ifndef CONTIKI_CONF_H
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#define CONTIKI_CONF_H
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@ -9,6 +9,10 @@
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#define SHELL_VARS_CONF_RAM_BEGIN 0x1100
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#define SHELL_VARS_CONF_RAM_END 0x2000
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/* DCO speed resynchronization for more robust UART, etc. */
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#define DCOSYNCH_CONF_ENABLED 1
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#define DCOSYNCH_CONF_PERIOD 30
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#define TIMESYNCH_CONF_ENABLED 1
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#define CC2420_CONF_TIMESTAMPS 1
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@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)$Id: contiki-sky-main.c,v 1.44 2009/01/31 12:45:03 joxe Exp $
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* @(#)$Id: contiki-sky-main.c,v 1.45 2009/02/04 19:32:20 joxe Exp $
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*/
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#include <signal.h>
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@ -61,8 +61,12 @@
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#include "sys/autostart.h"
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#include "sys/profile.h"
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SENSORS(&button_sensor);
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#if DCOSYNCH_CONF_ENABLED
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static struct timer mgt_timer;
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#endif
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#ifndef WITH_UIP
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#define WITH_UIP 0
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#endif
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@ -305,6 +309,9 @@ main(int argc, char **argv)
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/*
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* This is the scheduler loop.
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*/
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#if DCOSYNCH_CONF_ENABLED
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timer_set(&mgt_timer, DCOSYNCH_PERIOD * CLOCK_SECOND);
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#endif
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watchdog_start();
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/* watchdog_stop();*/
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while(1) {
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@ -330,6 +337,15 @@ main(int argc, char **argv)
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splx(s); /* Re-enable interrupts. */
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} else {
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static unsigned long irq_energest = 0;
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#if DCOSYNCH_CONF_ENABLED
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/* before going down to sleep possibly do some management */
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if (timer_expired(&mgt_timer)) {
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timer_reset(&mgt_timer);
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msp430_sync_dco();
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}
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#endif
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/* Re-enable interrupts and go to sleep atomically. */
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ENERGEST_OFF(ENERGEST_TYPE_CPU);
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ENERGEST_ON(ENERGEST_TYPE_LPM);
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