X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fglobal_p.h;fp=src%2Fglobal_p.h;h=4841845058978d326b4ee661eb44905e05bcf146;hb=718b114789f33651f138b33e7d39d80b028c98c6;hp=0000000000000000000000000000000000000000;hpb=d1be4beed531e6062d781c3adfd74cfea626a7c4;p=libnomaccel

diff --git a/src/global_p.h b/src/global_p.h
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+++ b/src/global_p.h
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+/* ============================================================================
+    Copyright (C) 2010 nomrasco
+    Nom Rasco <nomrasco@gmail.com>
+
+    This file is part of libnomaccel.
+
+    libnomaccel is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libnomaccel 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with libnomaccel.  If not, see <http://www.gnu.org/licenses/>.
+============================================================================ */
+#ifndef _NOM_GLOBAL_H_
+#define _NOM_GLOBAL_H_
+#include <math.h>
+
+#define YZ_TO_PITCH(y,z) atan2((y),(-z))
+#define XY_TO_ROLL(x,y)  atan2((x),(-y))
+#define XYZ_TO_PITCH(x,y,z) YZ_TO_PITCH(y,z)
+#define XYZ_TO_ROLL(x,y,z)  XY_TO_ROLL(x,y)
+
+typedef struct _NomAccelProxy NomAccelProxy;
+struct _NomAccelProxy {
+	value x;
+	value y;
+	value z;
+	angle pitch;
+	angle roll;
+};
+
+void _accel_proxy_init ();
+void _accel_proxy_finit ();
+void _accel_read_real_values ();
+void _accel_recalculate_pitch ();
+void _accel_recalculate_roll ();
+#define _accel_recalculate_pitch_roll() _accel_recalculate_pitch(); _accel_recalculate_roll()
+
+const char* const _accel_device_file_name = "/sys/class/i2c-adapter/i2c-3/3-001d/coord";
+NomAccelProxy     _accel_proxy = {0};
+
+#endif