PX4 Firmware
PX4 Autopilot Software http://px4.io
BlockP.hpp
Go to the documentation of this file.
1 /****************************************************************************
2  *
3  * Copyright (C) 2012 PX4 Development Team. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in
13  * the documentation and/or other materials provided with the
14  * distribution.
15  * 3. Neither the name PX4 nor the names of its contributors may be
16  * used to endorse or promote products derived from this software
17  * without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
26  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  *
32  ****************************************************************************/
33 
34 /**
35  * @file blocks.h
36  *
37  * Controller library code
38  */
39 
40 #pragma once
41 
42 #include <px4_platform_common/defines.h>
43 #include <assert.h>
44 #include <time.h>
45 #include <stdlib.h>
46 #include <math.h>
49 
50 #include "block/Block.hpp"
51 #include "block/BlockParam.hpp"
52 
53 #include "matrix/math.hpp"
54 
55 namespace control
56 {
57 
58 /**
59  * A proportional controller.
60  * @link http://en.wikipedia.org/wiki/PID_controller
61  */
62 class __EXPORT BlockP: public Block
63 {
64 public:
65 // methods
66  BlockP(SuperBlock *parent, const char *name) :
67  Block(parent, name),
68  _kP(this, "") // only one param, no need to name
69  {}
70  virtual ~BlockP() = default;
71  float update(float input)
72  {
73  return getKP() * input;
74  }
75 // accessors
76  float getKP() { return _kP.get(); }
77 protected:
79 };
80 
81 } // namespace control
Definition: I2C.hpp:51
Controller library code.
Controller library code.
float getKP()
Definition: BlockP.hpp:76
BlockP(SuperBlock *parent, const char *name)
Definition: BlockP.hpp:66
Controller library code.
control::BlockParamFloat _kP
Definition: BlockP.hpp:78
const char * name
Definition: tests_main.c:58
A proportional controller.
Definition: BlockP.hpp:62
float update(float input)
Definition: BlockP.hpp:71