X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fcore%2Fao.h;fp=src%2Fcore%2Fao.h;h=a2092cfe45ab923a58d551a3c9384125fbaa3c19;hb=5d8b9d524d6424ff98dcc4155fe8b8bd892b6d8f;hp=27b9c5c469717112161a72ecdb498a4098bb6ed8;hpb=1541fc0bde71f503b1ae5757497e9e1e6d023111;p=fw%2Faltos

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