ardupilot/libraries/AP_LandingGear/AP_LandingGear.cpp

71 lines
2.0 KiB
C++

#include "AP_LandingGear.h"
#include <AP_Relay/AP_Relay.h>
#include <AP_Math/AP_Math.h>
#include <SRV_Channel/SRV_Channel.h>
#include <AP_HAL/AP_HAL.h>
extern const AP_HAL::HAL& hal;
const AP_Param::GroupInfo AP_LandingGear::var_info[] = {
// @Param: SERVO_RTRACT
// @DisplayName: Landing Gear Servo Retracted PWM Value
// @Description: Servo PWM value in microseconds when landing gear is retracted
// @Range: 1000 2000
// @Units: PWM
// @Increment: 1
// @User: Standard
AP_GROUPINFO("SERVO_RTRACT", 0, AP_LandingGear, _servo_retract_pwm, AP_LANDINGGEAR_SERVO_RETRACT_PWM_DEFAULT),
// @Param: SERVO_DEPLOY
// @DisplayName: Landing Gear Servo Deployed PWM Value
// @Description: Servo PWM value in microseconds when landing gear is deployed
// @Range: 1000 2000
// @Units: PWM
// @Increment: 1
// @User: Standard
AP_GROUPINFO("SERVO_DEPLOY", 1, AP_LandingGear, _servo_deploy_pwm, AP_LANDINGGEAR_SERVO_DEPLOY_PWM_DEFAULT),
AP_GROUPEND
};
/// set landing gear position to retract, deploy or deploy-and-keep-deployed
void AP_LandingGear::set_position(LandingGearCommand cmd)
{
switch (cmd) {
case LandingGear_Retract:
if (!_deploy_lock) {
retract();
}
break;
case LandingGear_Deploy:
deploy();
_deploy_lock = false;
break;
case LandingGear_Deploy_And_Keep_Deployed:
deploy();
_deploy_lock = true;
break;
}
}
/// deploy - deploy landing gear
void AP_LandingGear::deploy()
{
// set servo PWM to deployed position
SRV_Channels::set_output_pwm(SRV_Channel::k_landing_gear_control, _servo_deploy_pwm);
// set deployed flag
_deployed = true;
}
/// retract - retract landing gear
void AP_LandingGear::retract()
{
// set servo PWM to retracted position
SRV_Channels::set_output_pwm(SRV_Channel::k_landing_gear_control, _servo_retract_pwm);
// reset deployed flag
_deployed = false;
}