Reverse the default orientation of accelerometer

[android-x86/hardware-intel-libsensors.git] / filtering.h

diff --git a/filtering.h b/filtering.h
index 78f890f..ed15807 100644 (file)
--- a/filtering.h
+++ b/filtering.h
@@ -1,25 +1,25 @@
+/*
+// Copyright (c) 2015 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
 #ifndef FILTERING_H
 #define FILTERING_H
 
-#define SAMPLE_SIZE 7
-
-struct circ_buff
-{
-       float* buff;
-       unsigned int idx;
-       unsigned int count;
-       unsigned int size;
-};
-
-struct filter
-{
-       struct circ_buff* x_buff;
-       struct circ_buff* y_buff;
-       struct circ_buff* z_buff;
-};
-
-void add_to_buff(struct circ_buff* circ_buff, float val);
-float median(float* queue, unsigned int size);
-void denoise_median(struct sensors_event_t* event, struct sensor_info_t* info);
+void setup_noise_filtering             (int s);
+void release_noise_filtering_data      (int s);
+void denoise                           (int s, sensors_event_t* event);
+void record_sample                     (int s, const sensors_event_t* data);
 
 #endif