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cc2538: lpm: Fix energest context when aborting lpm_enter()

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In one of the abort cases in lpm_enter(), the energest context has previously
been set to LPM, so the abort code needs to set it back to CPU.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
This commit is contained in:
Benoît Thébaudeau 2013-12-03 18:44:01 +01:00
parent f2c552bb55
commit 8514a91ea9
1 changed files with 5 additions and 0 deletions
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5
cpu/cc2538/lpm.c
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@ -301,6 +301,11 @@ lpm_enter()
select_32_mhz_xosc();
REG(SYS_CTRL_PMCTL) = SYS_CTRL_PMCTL_PM0;
/* Remember IRQ energest for next pass */
ENERGEST_IRQ_SAVE(irq_energest);
ENERGEST_ON(ENERGEST_TYPE_CPU);
ENERGEST_OFF(ENERGEST_TYPE_LPM);
} else {
/* All clear. Assert WFI and drop to PM1/2. This is now un-interruptible */
assert_wfi();