mirror of https://github.com/ArduPilot/ardupilot
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
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/// @file AP_RcChannel.h
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/// @brief AP_RcChannel manager
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#ifndef AP_RcChannel_h
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#define AP_RcChannel_h
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#include <stdint.h>
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#include <FastSerial.h>
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#include <APM_RC.h>
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#include <AP_Var.h>
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#include <AP_Common.h>
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#include <AP_EEProm.h>
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/// @class AP_RcChannel
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/// @brief Object managing one RC channel
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class AP_RcChannel{
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public:
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/// Constructor
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AP_RcChannel(const char * name, const APM_RC_Class & rc, const uint8_t & ch,
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const float & scale=45.0, const float & center=0.0,
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const uint16_t & pwmMin=1200,
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const uint16_t & pwmNeutral=1500, const uint16_t & pwmMax=1800,
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const uint16_t & pwmDeadZone=10,
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const bool & filter=false, const bool & reverse=false);
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// set
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void readRadio();
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void setPwm(uint16_t pwm);
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void setPosition(float position);
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void setNormalized(float normPosition) { setPosition(normPosition*getScale()); }
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void mixRadio(uint16_t infStart);
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void setCh(const uint8_t & ch) { _ch->set(ch); }
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void setScale(const float & scale) { _scale->set(scale); }
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void setCenter(const float & center) { _center->set(center); }
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void setPwmMin(const uint16_t & pwmMin) { _pwmMin->set(pwmMin); }
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void setPwmNeutral(const uint16_t & pwmNeutral) { _pwmNeutral->set(pwmNeutral); }
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void setPwmMax(const uint16_t & pwmMax) { _pwmMax->set(pwmMax); }
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void setPwmDeadZone(const uint16_t & pwmDeadZone) { _pwmDeadZone->set(pwmDeadZone); }
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void setFilter(const bool & filter) { _filter->set(filter); }
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// get
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uint16_t getPwm() { return _pwm; }
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float getPosition() { return _pwmToPosition(_pwm); }
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float getNormalized() { return getPosition()/_scale->get(); }
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const char * getName() { return _name; }
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const uint8_t & getCh() { return _ch->get(); }
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const float & getScale() { return _scale->get(); }
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const float & getCenter() { return _center->get(); }
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const uint16_t & getPwmMin() { return _pwmMin->get(); }
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const uint16_t & getPwmNeutral() { return _pwmNeutral->get(); }
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const uint16_t & getPwmMax() { return _pwmMax->get(); }
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const uint16_t & getPwmDeadZone() { return _pwmDeadZone->get(); }
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const bool & getFilter() { return _filter->get(); }
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const bool & getReverse() { return _reverse->get(); }
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// did our read come in 50µs below the min?
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bool failSafe() { _pwm < (_pwmMin->get() - 50); }
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private:
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// configuration
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const char * _name;
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const APM_RC_Class & _rc;
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AP_Uint8 * _ch;
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AP_Float * _scale;
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AP_Float * _center;
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AP_Uint16 * _pwmMin;
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AP_Uint16 * _pwmNeutral;
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AP_Uint16 * _pwmMax;
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AP_Uint16 * _pwmDeadZone;
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AP_Bool * _filter;
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AP_Bool * _reverse;
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// internal states
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uint16_t _pwm; // this is the internal state, position is just created when needed
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// private methods
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uint16_t _positionToPwm(const float & position);
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float _pwmToPosition(const uint16_t & pwm);
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};
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#endif
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