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Added energy estimation, low power mode

This commit is contained in:
adamdunkels 2007-05-22 21:05:53 +00:00
parent 2c446cb921
commit 42e84048f6
1 changed files with 42 additions and 3 deletions
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45
platform/esb/contiki-esb-main.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: contiki-esb-main.c,v 1.10 2007/05/19 21:08:43 oliverschmidt Exp $
* @(#)$Id: contiki-esb-main.c,v 1.11 2007/05/22 21:05:53 adamdunkels Exp $
*/
#include <io.h>
@ -68,10 +68,12 @@ PROCESS_THREAD(contiki_esb_main_init_process, ev, data)
autostart_start((struct process **) autostart_processes);
beep_spinup();
leds_on(LEDS_ALL);
leds_on(LEDS_RED);
clock_delay(100);
leds_off(LEDS_ALL);
leds_off(LEDS_RED);
energest_init();
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
@ -143,6 +145,43 @@ main(void)
printf("Node id is not set.\n");
}
ENERGEST_ON(ENERGEST_TYPE_CPU);
while (1) {
static unsigned long irq_energest = 0;
do {
/* Reset watchdog. */
} while(process_run() > 0);
/*
* Idle processing.
*/
dint();
if(process_nevents() != 0) {
eint();
} else {
/* Re-enable interrupts and go to sleep atomically. */
ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_LPM);
/* We only want to measure the processing done in IRQs when we
are asleep, so we discard the processing time done when we
were awake. */
energest_type_set(ENERGEST_TYPE_IRQ, irq_energest);
_BIS_SR(GIE | SCG0 | CPUOFF); /* LPM1 sleep. */
/* We get the current processing time for interrupts that was
done during the LPM and store it for next time around. */
dint();
irq_energest = energest_type_time(ENERGEST_TYPE_IRQ);
eint();
ENERGEST_OFF(ENERGEST_TYPE_LPM);
ENERGEST_ON(ENERGEST_TYPE_CPU);
}
}
while(1) {
/* watchdog_restart();*/
while(process_run() > 0);