sensors: Orientationd implementation

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 50 insertions, 0 deletions

diff --git a/sensors/orientationd/orientationd.h b/sensors/orientationd/orientationd.h
new file mode 100644
index 0000000..41aad5e
--- /dev/null
+++ b/sensors/orientationd/orientationd.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2013 Paul Kocialkowski
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/input.h>
+
+#ifndef _ORIENTATION_H_
+#define _ORIENTATION_H_
+
+/*
+ * Vector
+ */
+
+struct vector {
+	float x;
+	float y;
+	float z;
+
+};
+
+typedef struct vector vector;
+
+void vector_add(vector *v, vector *a);
+void vector_multiply(vector *v, float k);
+void vector_cross(vector *v, vector *c, vector *out);
+float vector_scalar(vector *v, vector *d);
+float vector_length(vector *v);
+
+/*
+ * Input
+ */
+
+int64_t input_timestamp(struct input_event *event);
+int input_open(char *name, int write);
+int sysfs_path_prefix(char *name, char *path_prefix);
+
+#endif