Files
allwpilib/wpilibcExamples/src/main/cpp/examples/SwerveDrivePoseEstimator/include/SwerveModule.h
2022-10-25 12:28:36 -07:00

57 lines
2.0 KiB
C++

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#pragma once
#include <numbers>
#include <frc/Encoder.h>
#include <frc/controller/PIDController.h>
#include <frc/controller/ProfiledPIDController.h>
#include <frc/controller/SimpleMotorFeedforward.h>
#include <frc/kinematics/SwerveModulePosition.h>
#include <frc/kinematics/SwerveModuleState.h>
#include <frc/motorcontrol/PWMSparkMax.h>
#include <units/angular_velocity.h>
#include <units/time.h>
#include <units/velocity.h>
#include <units/voltage.h>
class SwerveModule {
public:
SwerveModule(int driveMotorChannel, int turningMotorChannel,
int driveEncoderChannelA, int driveEncoderChannelB,
int turningEncoderChannelA, int turningEncoderChannelB);
frc::SwerveModuleState GetState() const;
frc::SwerveModulePosition GetPosition() const;
void SetDesiredState(const frc::SwerveModuleState& state);
private:
static constexpr auto kWheelRadius = 0.0508_m;
static constexpr int kEncoderResolution = 4096;
static constexpr auto kModuleMaxAngularVelocity =
std::numbers::pi * 1_rad_per_s; // radians per second
static constexpr auto kModuleMaxAngularAcceleration =
std::numbers::pi * 2_rad_per_s / 1_s; // radians per second^2
frc::PWMSparkMax m_driveMotor;
frc::PWMSparkMax m_turningMotor;
frc::Encoder m_driveEncoder;
frc::Encoder m_turningEncoder;
frc2::PIDController m_drivePIDController{1.0, 0, 0};
frc::ProfiledPIDController<units::radians> m_turningPIDController{
1.0,
0.0,
0.0,
{kModuleMaxAngularVelocity, kModuleMaxAngularAcceleration}};
frc::SimpleMotorFeedforward<units::meters> m_driveFeedforward{1_V,
3_V / 1_mps};
frc::SimpleMotorFeedforward<units::radians> m_turnFeedforward{
1_V, 0.5_V / 1_rad_per_s};
};