PX4 Firmware
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BlockLowPass.hpp
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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>
47 #include <float.h>
50 
51 #include "block/Block.hpp"
52 #include "block/BlockParam.hpp"
53 
54 #include "matrix/math.hpp"
55 
56 namespace control
57 {
58 
59 /**
60  * A low pass filter as described here:
61  * http://en.wikipedia.org/wiki/Low-pass_filter.
62  */
63 class __EXPORT BlockLowPass : public Block
64 {
65 public:
66 // methods
67  BlockLowPass(SuperBlock *parent, const char *name) :
68  Block(parent, name),
69  _state(NAN /* initialize to invalid val, force into is_finite() check on first call */),
70  _fCut(this, "") // only one parameter, no need to name
71  {}
72  virtual ~BlockLowPass() = default;
73  float update(float input);
74 // accessors
75  float getState() { return _state; }
76  float getFCut() { return _fCut.get(); }
77  void setState(float state) { _state = state; }
78 protected:
79 // attributes
80  float _state;
82 };
83 
84 } // namespace control
BlockLowPass(SuperBlock *parent, const char *name)
static enum @74 state
Definition: I2C.hpp:51
control::BlockParamFloat _fCut
Controller library code.
void setState(float state)
A low pass filter as described here: http://en.wikipedia.org/wiki/Low-pass_filter.
Controller library code.
Controller library code.
const char * name
Definition: tests_main.c:58