altos: Rename 'core' to 'kernel'

[fw/altos] / src / core / ao_convert_pa.c

diff --git a/src/core/ao_convert_pa.c b/src/core/ao_convert_pa.c
deleted file mode 100644 (file)
index fe6e0ef..0000000
--- a/src/core/ao_convert_pa.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright © 2012 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#if !defined(AO_CONVERT_TEST) && !defined(AO_FLIGHT_TEST)
-#include "ao.h"
-#endif
-
-#ifndef AO_CONST_ATTRIB
-#define AO_CONST_ATTRIB
-#endif
-
-static const alt_t altitude_table[] AO_CONST_ATTRIB = {
-#include "altitude-pa.h"
-};
-
-#ifndef FETCH_ALT
-#define FETCH_ALT(o)   altitude_table[o]
-#endif
-
-#define ALT_SCALE      (1 << ALT_SHIFT)
-#define ALT_MASK       (ALT_SCALE - 1)
-
-alt_t
-ao_pa_to_altitude(int32_t pa)
-{
-       int16_t o;
-       int16_t part;
-       int32_t low, high;
-
-       if (pa < 0)
-               pa = 0;
-       if (pa > 120000L)
-               pa = 120000L;
-       o = pa >> ALT_SHIFT;
-       part = pa & ALT_MASK;
-
-       low = (int32_t) FETCH_ALT(o) * (ALT_SCALE - part);
-       high = (int32_t) FETCH_ALT(o+1) * part + (ALT_SCALE >> 1);
-       return (low + high) >> ALT_SHIFT;
-}
-
-#ifdef AO_CONVERT_TEST
-int32_t
-ao_altitude_to_pa(int32_t alt)
-{
-       int32_t         span, sub_span;
-       uint16_t        l, h, m;
-       int32_t         pa;
-
-       l = 0;
-       h = NALT - 1;
-       while ((h - l) != 1) {
-               m = (l + h) >> 1;
-               if (altitude_table[m] < alt)
-                       h = m;
-               else
-                       l = m;
-       }
-       span = altitude_table[l] - altitude_table[h];
-       sub_span = altitude_table[l] - alt;
-       pa = ((((int32_t) l * (span - sub_span) + (int32_t) h * sub_span) << ALT_SHIFT) + (span >> 1)) / span;
-       if (pa > 120000)
-               pa = 120000;
-       if (pa < 0)
-               pa = 0;
-       return pa;
-}
-#endif