* adding first files (API draft)

[libnomaccel] / src / global_p.c

diff --git a/src/global_p.c b/src/global_p.c
new file mode 100644 (file)
index 0000000..14d5289
--- /dev/null
+++ b/src/global_p.c
@@ -0,0 +1,62 @@
+/* ============================================================================
+    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/>.
+============================================================================ */
+#include "global_p.h"
+#include <stdlib.h>
+
+void
+_nom_accel_proxy_init ()
+{
+       _accel_proxy.x = 0;
+       _accel_proxy.y = 0;
+       _accel_proxy.z = 0;
+       _accel_proxy.pitch = 0.0;
+       _accel_proxy.roll = 0.0;
+}
+
+void
+_accel_proxy_finit ()
+{
+       /* nothing to do yet */
+}
+
+void
+_accel_read_real_values ()
+{
+       FILE* fd;
+       fd = fopen(_accel_device_file_name, "r");
+       if(0 == fd) return;
+       fscanf ( fd, "%i %i %i",
+                &_accel_proxy.x,
+                &_accel_proxy.y,
+                &_accel_proxy.z );
+       fclose(fd);
+}
+
+void
+_accel_recalculate_pitch () {
+       _accel_proxy.pitch = YZ_TO_PITCH(_accel_proxy.y, _accel_proxy.z);
+}
+
+void
+_accel_recalculate_roll () {
+       _accel_proxy.roll  =  XY_TO_ROLL(_accel_proxy.x, _accel_proxy.y);
+}
+
+