diff options
| author | Keith Packard <keithp@keithp.com> | 2012-05-18 20:04:57 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-05-18 20:19:01 -0700 |
| commit | 5d8b9d524d6424ff98dcc4155fe8b8bd892b6d8f (patch) | |
| tree | 98a4698176483f6a1e310f1f844576c806aea71a /src/core/ao.h | |
| parent | 1541fc0bde71f503b1ae5757497e9e1e6d023111 (diff) | |
altos: Add conversion between Pa and meters
To be used with the MS5607 which generates data in calibrated units.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/core/ao.h')
| -rw-r--r-- | src/core/ao.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/core/ao.h b/src/core/ao.h index 27b9c5c4..a2092cfe 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -282,6 +282,18 @@ ao_altitude_to_pres(int16_t alt) __reentrant; int16_t ao_temp_to_dC(int16_t temp) __reentrant; +/* + * ao_convert_pa.c + * + * Convert between pressure in Pa and altitude in meters + */ + +int32_t +ao_pa_to_altitude(int32_t pa); + +int32_t +ao_altitude_to_pa(int32_t alt); + #if HAS_DBG #include <ao_dbg.h> #endif |