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Use ENERGEST_SWITCH to switch between different power modes to improve energest accuracy.

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This commit is contained in:
Atis Elsts 2015-09-03 16:06:46 +02:00
parent 92c1a68b94
commit 2f79810b58
10 changed files with 26 additions and 51 deletions
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15
cpu/cc2538/lpm.c
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@ -128,8 +128,7 @@ periph_permit_pm1(void)
static void
enter_pm0(void)
{
ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_LPM);
ENERGEST_SWITCH(ENERGEST_TYPE_CPU, ENERGEST_TYPE_LPM);
/* We are only interested in IRQ energest while idle or in LPM */
ENERGEST_IRQ_RESTORE(irq_energest);
@ -147,8 +146,7 @@ enter_pm0(void)
/* Remember IRQ energest for next pass */
ENERGEST_IRQ_SAVE(irq_energest);
ENERGEST_ON(ENERGEST_TYPE_CPU);
ENERGEST_OFF(ENERGEST_TYPE_LPM);
ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU);
}
/*---------------------------------------------------------------------------*/
static void
@ -238,8 +236,7 @@ lpm_exit()
/* Remember IRQ energest for next pass */
ENERGEST_IRQ_SAVE(irq_energest);
ENERGEST_ON(ENERGEST_TYPE_CPU);
ENERGEST_OFF(ENERGEST_TYPE_LPM);
ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU);
}
/*---------------------------------------------------------------------------*/
void
@ -312,8 +309,7 @@ lpm_enter()
/* We are only interested in IRQ energest while idle or in LPM */
ENERGEST_IRQ_RESTORE(irq_energest);
ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_LPM);
ENERGEST_SWITCH(ENERGEST_TYPE_CPU, ENERGEST_TYPE_LPM);
/* Remember the current time so we can keep stats when we wake up */
if(LPM_CONF_STATS) {
@ -339,8 +335,7 @@ lpm_enter()
/* Remember IRQ energest for next pass */
ENERGEST_IRQ_SAVE(irq_energest);
ENERGEST_ON(ENERGEST_TYPE_CPU);
ENERGEST_OFF(ENERGEST_TYPE_LPM);
ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU);
} else {
/* All clear. Assert WFI and drop to PM1/2. This is now un-interruptible */
assert_wfi();