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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-09-05 14:58:36 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-09-05 14:58:36 +0000 |
| commit | ca6a50135e04d530ddf75b38f7fff1081ced6de4 (patch) | |
| tree | 3e59d2e6776862931fbc1a6d0b9418613bac8e40 /nuttx/drivers/pm/pm_activity.c | |
| parent | 0233d0342900484f1f70d5f95473d9ed262b843f (diff) | |
| download | px4-nuttx-ca6a50135e04d530ddf75b38f7fff1081ced6de4.tar.gz px4-nuttx-ca6a50135e04d530ddf75b38f7fff1081ced6de4.tar.bz2 px4-nuttx-ca6a50135e04d530ddf75b38f7fff1081ced6de4.zip | |
PM.. Allow negative coeffients; support revert to normal state
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3939 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers/pm/pm_activity.c')
| -rw-r--r-- | nuttx/drivers/pm/pm_activity.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/nuttx/drivers/pm/pm_activity.c b/nuttx/drivers/pm/pm_activity.c index a0bae76fa..dd908b949 100644 --- a/nuttx/drivers/pm/pm_activity.c +++ b/nuttx/drivers/pm/pm_activity.c @@ -120,14 +120,14 @@ void pm_activity(int priority) /* Make sure that we do not overflow the underlying uint16_t representation */ - if (accum > UINT16_MAX) + if (accum > INT16_MAX) { - accum = UINT16_MAX; + accum = INT16_MAX; } /* Save the updated count */ - g_pmglobals.accum = accum; + g_pmglobals.accum = (int16_t)accum; /* Check the elapsed time. In periods of low activity, time slicing is * controlled by IDLE loop polling; in periods of higher activity, time @@ -140,7 +140,7 @@ void pm_activity(int priority) now = clock_systimer(); if (now - g_pmglobals.stime >= TIME_SLICE_TICKS) { - uint16_t tmp; + int16_t tmp; /* Sample the count, reset the time and count, and assess the PM * state. This is an atomic operation because interrupts are |