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add deep sleep tracking for CC2538

This commit is contained in:
Atis Elsts 2017-11-15 12:17:44 +00:00
parent 3c9ffedfcb
commit 7b26ead9de
1 changed files with 11 additions and 5 deletions
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16
arch/cpu/cc2538/lpm.c
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@ -212,10 +212,14 @@ lpm_exit()
/* Restore system clock to the 32 MHz XOSC */
select_32_mhz_xosc();
if((REG(SYS_CTRL_PMCTL) & SYS_CTRL_PMCTL_PM3) == SYS_CTRL_PMCTL_PM1) {
ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU);
} else {
ENERGEST_SWITCH(ENERGEST_TYPE_DEEP_LPM, ENERGEST_TYPE_CPU);
}
/* Restore PMCTL to PM0 for next pass */
REG(SYS_CTRL_PMCTL) = SYS_CTRL_PMCTL_PM0;
ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU);
}
/*---------------------------------------------------------------------------*/
void
@ -286,8 +290,6 @@ lpm_enter()
REG(SYS_CTRL_PMCTL) = SYS_CTRL_PMCTL_PM1;
}
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) {
sleep_enter_time = RTIMER_NOW();
@ -310,9 +312,13 @@ lpm_enter()
REG(SYS_CTRL_PMCTL) = SYS_CTRL_PMCTL_PM0;
ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU);
} else {
/* All clear. Assert WFI and drop to PM1/2. This is now un-interruptible */
if((REG(SYS_CTRL_PMCTL) & SYS_CTRL_PMCTL_PM3) == SYS_CTRL_PMCTL_PM1) {
ENERGEST_SWITCH(ENERGEST_TYPE_CPU, ENERGEST_TYPE_LPM);
} else {
ENERGEST_SWITCH(ENERGEST_TYPE_CPU, ENERGEST_TYPE_DEEP_LPM);
}
assert_wfi();
}