ardupilot/libraries/AP_RcChannel/AP_RcChannel.h

91 lines
2.8 KiB
C++

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