altos: Use alt_t for all Pascal-based altitude data

[fw/altos] / src / core / ao.h

diff --git a/src/core/ao.h b/src/core/ao.h
index 9d80148937d5d7e8e2ae6f5a372feae759d1bad6..e559e876b0209c62eece17b66785ca6e153606de 100644 (file)
--- a/src/core/ao.h
+++ b/src/core/ao.h
@@ -119,11 +119,13 @@ ao_clock_init(void);
  * ao_mutex.c
  */
 
+#ifndef ao_mutex_get
 void
 ao_mutex_get(__xdata uint8_t *ao_mutex) __reentrant;
 
 void
 ao_mutex_put(__xdata uint8_t *ao_mutex) __reentrant;
+#endif
 
 /*
  * ao_cmd.c
@@ -270,11 +272,13 @@ ao_temp_to_dC(int16_t temp) __reentrant;
  * Convert between pressure in Pa and altitude in meters
  */
 
-int32_t
+#include <ao_data.h>
+
+alt_t
 ao_pa_to_altitude(int32_t pa);
 
 int32_t
-ao_altitude_to_pa(int32_t alt);
+ao_altitude_to_pa(alt_t alt);
 
 #if HAS_DBG
 #include <ao_dbg.h>