altos: Rename 'core' to 'kernel'

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

diff --git a/src/core/ao_freq.c b/src/core/ao_freq.c
deleted file mode 100644 (file)
index 12496f6..0000000
--- a/src/core/ao_freq.c
+++ /dev/null
@@ -1,55 +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.
- */
-
-#include <ao.h>
-
-/*
- * The provided 'calibration' value is
- * that needed to tune the radio to precisely 434550kHz.
- * Use that to 'walk' to the target frequency by following
- * a 'bresenham' line from 434550kHz to the target
- * frequency, and updating the radio setting along the way
- */
-
-int32_t ao_freq_to_set(int32_t freq, int32_t cal) __reentrant
-{
-       static __pdata int32_t  set;
-       static __pdata uint8_t  neg;
-       static __pdata int32_t  error;
-
-       set = 0;
-       neg = 0;
-       error = -434550 / 2;
-
-       if ((freq -= 434550) < 0) {
-               neg = 1;
-               freq = -freq;
-       }
-       for (;;) {
-               if (error > 0) {
-                       error -= 434550;
-                       set++;
-               } else {
-                       error += cal;
-                       if (--freq < 0)
-                               break;
-               }
-       }
-       if (neg)
-               set = -set;
-       return cal + set;
-}