Jon Buckman / MovingAverageFilter

Simple moving average filter.

MAF.cpp@4:9002522153d7, 2019-03-01 (annotated)

Committer:
jonebuckman
Date:
Fri Mar 01 12:26:19 2019 +0000
Revision:
4:9002522153d7
Parent:
3:63b077baff96 
Added documentation.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jonebuckman 4:9002522153d7 1 /* Simple moving average filter
jonebuckman 4:9002522153d7 2 * Copyright (c) 2019 Jon Buckman
jonebuckman 4:9002522153d7 3 *
jonebuckman 4:9002522153d7 4 * Licensed under the Apache License, Version 2.0 (the "License");
jonebuckman 4:9002522153d7 5 * you may not use this file except in compliance with the License.
jonebuckman 4:9002522153d7 6 * You may obtain a copy of the License at
jonebuckman 4:9002522153d7 7 *
jonebuckman 4:9002522153d7 8 * http://www.apache.org/licenses/LICENSE-2.0
jonebuckman 4:9002522153d7 9 *
jonebuckman 4:9002522153d7 10 * Unless required by applicable law or agreed to in writing, software
jonebuckman 4:9002522153d7 11 * distributed under the License is distributed on an "AS IS" BASIS,
jonebuckman 4:9002522153d7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jonebuckman 4:9002522153d7 13 * See the License for the specific language governing permissions and
jonebuckman 4:9002522153d7 14 * limitations under the License.
jonebuckman 4:9002522153d7 15 */
KarimAzzouz 1:fbc57eb4e61d 16 #include "MAF.h"
KarimAzzouz 1:fbc57eb4e61d 17
joe4465 2:21b70641f866 18 MAF::MAF()
joe4465 2:21b70641f866 19 {}
jonebuckman 3:63b077baff96 20 /*
joe4465 2:21b70641f866 21 float MAF::update(float data)
joe4465 2:21b70641f866 22 {
KarimAzzouz 1:fbc57eb4e61d 23 _k[0] = data;
jonebuckman 3:63b077baff96 24 _result = _k[0]*0.1f + _k[1]*0.1f + _k[2]*0.1f + _k[3]*0.1f + _k[4]*0.1f + _k[5]*0.1f + _k[6]*0.1f + _k[7]*0.1f + _k[8]*0.1f + _k[9]*0.1f ;
KarimAzzouz 1:fbc57eb4e61d 25 _k[9] = _k[8];
KarimAzzouz 1:fbc57eb4e61d 26 _k[8] = _k[7];
KarimAzzouz 1:fbc57eb4e61d 27 _k[7] = _k[6];
KarimAzzouz 1:fbc57eb4e61d 28 _k[6] = _k[5];
KarimAzzouz 1:fbc57eb4e61d 29 _k[5] = _k[4];
KarimAzzouz 1:fbc57eb4e61d 30 _k[4] = _k[3];
KarimAzzouz 1:fbc57eb4e61d 31 _k[3] = _k[2];
KarimAzzouz 1:fbc57eb4e61d 32 _k[2] = _k[1];
KarimAzzouz 1:fbc57eb4e61d 33 _k[1] = _k[0];
KarimAzzouz 1:fbc57eb4e61d 34
KarimAzzouz 1:fbc57eb4e61d 35 return _result;
jonebuckman 3:63b077baff96 36 }
jonebuckman 3:63b077baff96 37 */
jonebuckman 3:63b077baff96 38 float MAF::update(float data)
jonebuckman 3:63b077baff96 39 {
jonebuckman 3:63b077baff96 40 _k[0] = data;
jonebuckman 3:63b077baff96 41 _result = _k[0]*0.25f + _k[1]*0.25f + _k[2]*0.25f + _k[3]*0.25f ;
jonebuckman 3:63b077baff96 42 _k[3] = _k[2];
jonebuckman 3:63b077baff96 43 _k[2] = _k[1];
jonebuckman 3:63b077baff96 44 _k[1] = _k[0];
jonebuckman 3:63b077baff96 45
jonebuckman 3:63b077baff96 46 return _result;
jonebuckman 3:63b077baff96 47 }