Commit | Line | Data |
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38a404b3 KZ |
1 | package org.usfirst.frc.team3501.robot.subsystems; |
2 | ||
3 | import org.usfirst.frc.team3501.robot.Constants; | |
5483fde9 | 4 | import org.usfirst.frc.team3501.robot.commands.driving.JoystickDrive; |
06df4cd4 | 5 | import org.usfirst.frc.team3501.robot.utils.PIDController; |
04f2cb52 | 6 | |
a1c76caf CZ |
7 | import com.ctre.CANTalon; |
8 | ||
bf921ece | 9 | import edu.wpi.first.wpilibj.ADXRS450_Gyro; |
4a75c629 | 10 | import edu.wpi.first.wpilibj.DoubleSolenoid; |
73e8adbc | 11 | import edu.wpi.first.wpilibj.DoubleSolenoid.Value; |
fa4e4a97 | 12 | import edu.wpi.first.wpilibj.Encoder; |
ccbc35ae | 13 | import edu.wpi.first.wpilibj.RobotDrive; |
38a404b3 KZ |
14 | import edu.wpi.first.wpilibj.command.Subsystem; |
15 | ||
16 | public class DriveTrain extends Subsystem { | |
34ffcd03 | 17 | public static double driveP, driveI, driveD; |
542234fe | 18 | public static double turnP, turnI, turnD; |
c846487e | 19 | public static double driveStraightGyroP = 0.01; |
e12d6901 | 20 | |
665abef7 MW |
21 | public static final String DRIVE_P_Val = "DriveP"; |
22 | public static final String DRIVE_I_Val = "DriveI"; | |
23 | public static final String DRIVE_D_Val = "DriveD"; | |
24 | public static final String DRIVE_TARGET_DIST = "SET_DIST"; | |
afe0c898 | 25 | public static final String MAX_TIME_OUT = "MaxTimeOut"; |
665abef7 MW |
26 | public static final String GYRO_P_Val = "GyroP"; |
27 | public static final String GYRO_I_Val = "GyroI"; | |
28 | public static final String GYRO_D_Val = "GyroD"; | |
29 | public static final String GYRO_TARGET_ANGLE = "SET_ANGLE"; | |
30 | public static final int PID_ERROR = -1; | |
31 | public static final int TARGET_DISTANCE_ERROR = -1; | |
32 | ||
b634ebbc CZ |
33 | public static final double WHEEL_DIAMETER = 6; // inches |
34 | public static final int ENCODER_PULSES_PER_REVOLUTION = 256; | |
35 | public static final double INCHES_PER_PULSE = WHEEL_DIAMETER * Math.PI | |
36 | / ENCODER_PULSES_PER_REVOLUTION; | |
9dc69158 CZ |
37 | |
38 | public static final double MAINTAIN_CLIMBED_POSITION = 0; | |
39 | public static final double TIME_TO_CLIMB_FOR = 0; | |
40 | public static final double CLIMBER_SPEED = 0; | |
41 | ||
cc42bd52 | 42 | private static DriveTrain driveTrain; |
b8791ca4 | 43 | |
cc42bd52 ME |
44 | private final CANTalon frontLeft, frontRight, rearLeft, rearRight; |
45 | private final RobotDrive robotDrive; | |
46 | private final Encoder leftEncoder, rightEncoder; | |
73e8adbc | 47 | private final DoubleSolenoid leftGearPiston, rightGearPiston; |
cc42bd52 | 48 | |
bf921ece | 49 | private ADXRS450_Gyro imu; |
e12d6901 | 50 | |
366f1cfd | 51 | public boolean shouldBeClimbing = false; |
cef1f36d | 52 | |
06df4cd4 | 53 | private PIDController driveController; |
01ea2879 | 54 | private PIDController gyroController; |
06df4cd4 | 55 | |
ffb43c5c | 56 | private boolean isClimbing; |
06df4cd4 | 57 | |
0c15b549 | 58 | private DriveTrain() { |
06df4cd4 | 59 | |
63c60c71 | 60 | // PID TUNING |
0c15b549 | 61 | driveController = new PIDController(driveP, driveI, driveD); |
d3ed4499 | 62 | gyroController = new PIDController(turnP, turnI, turnD); |
63c60c71 | 63 | |
40d69167 MW |
64 | // PID TUNING |
65 | ||
cc42bd52 ME |
66 | // MOTOR CONTROLLERS |
67 | frontLeft = new CANTalon(Constants.DriveTrain.FRONT_LEFT); | |
68 | frontRight = new CANTalon(Constants.DriveTrain.FRONT_RIGHT); | |
69 | rearLeft = new CANTalon(Constants.DriveTrain.REAR_LEFT); | |
70 | rearRight = new CANTalon(Constants.DriveTrain.REAR_RIGHT); | |
71 | ||
72 | // ENCODERS | |
73 | leftEncoder = new Encoder(Constants.DriveTrain.ENCODER_LEFT_A, | |
3e2738c4 | 74 | Constants.DriveTrain.ENCODER_LEFT_B, false, Encoder.EncodingType.k4X); |
cc42bd52 | 75 | rightEncoder = new Encoder(Constants.DriveTrain.ENCODER_RIGHT_A, |
3e2738c4 | 76 | Constants.DriveTrain.ENCODER_RIGHT_B, false, Encoder.EncodingType.k4X); |
cc42bd52 | 77 | |
b634ebbc CZ |
78 | leftEncoder.setDistancePerPulse(INCHES_PER_PULSE); |
79 | rightEncoder.setDistancePerPulse(INCHES_PER_PULSE); | |
cc42bd52 ME |
80 | |
81 | // ROBOT DRIVE | |
82 | robotDrive = new RobotDrive(frontLeft, rearLeft, frontRight, rearRight); | |
8e4c083c | 83 | |
bf921ece | 84 | this.imu = new ADXRS450_Gyro(Constants.DriveTrain.GYRO_PORT); |
af4491f7 | 85 | |
ca372ce8 | 86 | // TODO: Not sure if MODULE_NUMBER should be the same for both |
58bcc21d | 87 | leftGearPiston = new DoubleSolenoid(Constants.DriveTrain.PISTON_MODULE, |
ca372ce8 AD |
88 | Constants.DriveTrain.LEFT_GEAR_PISTON_FORWARD, |
89 | Constants.DriveTrain.LEFT_GEAR_PISTON_REVERSE); | |
58bcc21d | 90 | rightGearPiston = new DoubleSolenoid(Constants.DriveTrain.PISTON_MODULE, |
ca372ce8 AD |
91 | Constants.DriveTrain.RIGHT_GEAR_PISTON_FORWARD, |
92 | Constants.DriveTrain.RIGHT_GEAR_PISTON_REVERSE); | |
cc42bd52 ME |
93 | } |
94 | ||
06df4cd4 E |
95 | public PIDController getDriveController() { |
96 | return this.driveController; | |
97 | } | |
98 | ||
90b435ce ES |
99 | public PIDController getGyroController() { |
100 | return this.gyroController; | |
101 | } | |
102 | ||
cc42bd52 ME |
103 | public static DriveTrain getDriveTrain() { |
104 | if (driveTrain == null) { | |
105 | driveTrain = new DriveTrain(); | |
106 | } | |
107 | return driveTrain; | |
108 | } | |
109 | ||
110 | // DRIVE METHODS | |
111 | public void setMotorValues(final double left, final double right) { | |
112 | frontLeft.set(left); | |
113 | rearLeft.set(left); | |
114 | ||
b081e34b ME |
115 | frontRight.set(-right); |
116 | rearRight.set(-right); | |
cc42bd52 ME |
117 | } |
118 | ||
119 | public void joystickDrive(final double thrust, final double twist) { | |
b081e34b | 120 | robotDrive.arcadeDrive(thrust, twist, true); |
cc42bd52 ME |
121 | } |
122 | ||
123 | public void stop() { | |
124 | setMotorValues(0, 0); | |
125 | } | |
126 | ||
f0a71840 CZ |
127 | public double getLeftMotorVal() { |
128 | return (frontLeft.get() + rearLeft.get()) / 2; | |
cc42bd52 ME |
129 | } |
130 | ||
f0a71840 CZ |
131 | public double getRightMotorVal() { |
132 | return (frontRight.get() + rearRight.get()) / 2; | |
cc42bd52 ME |
133 | } |
134 | ||
cc42bd52 ME |
135 | // ENCODER METHODS |
136 | ||
3a5d9ac7 | 137 | public double getLeftEncoderDistance() { |
cc42bd52 ME |
138 | return leftEncoder.getDistance(); |
139 | } | |
140 | ||
3a5d9ac7 | 141 | public double getRightEncoderDistance() { |
cc42bd52 ME |
142 | return rightEncoder.getDistance(); |
143 | } | |
144 | ||
8e4c083c | 145 | public void printEncoderOutput() { |
174f415c CZ |
146 | System.out.println("left: " + getLeftEncoderDistance()); |
147 | System.out.println("right: " + getRightEncoderDistance()); | |
c846487e | 148 | // System.out.println(getAvgEncoderDistance()); |
8e4c083c CZ |
149 | } |
150 | ||
cc42bd52 ME |
151 | public double getAvgEncoderDistance() { |
152 | return (leftEncoder.getDistance() + rightEncoder.getDistance()) / 2; | |
153 | } | |
154 | ||
155 | public void resetEncoders() { | |
156 | leftEncoder.reset(); | |
157 | rightEncoder.reset(); | |
158 | } | |
159 | ||
160 | public double getLeftSpeed() { | |
161 | return leftEncoder.getRate(); | |
162 | } | |
163 | ||
164 | public double getRightSpeed() { | |
165 | return rightEncoder.getRate(); | |
166 | } | |
167 | ||
168 | public double getSpeed() { | |
169 | return (getLeftSpeed() + getRightSpeed()) / 2.0; | |
170 | } | |
171 | ||
e12d6901 CZ |
172 | // ------Gyro------// |
173 | public double getAngle() { | |
c846487e | 174 | return this.imu.getAngle(); |
e12d6901 CZ |
175 | } |
176 | ||
177 | public void resetGyro() { | |
571fb5c9 | 178 | this.imu.reset(); |
e12d6901 CZ |
179 | } |
180 | ||
73e8adbc AD |
181 | /* |
182 | * @return a value that is the current setpoint for the piston kReverse or | |
183 | * KForward | |
184 | */ | |
06415bd8 | 185 | public Value getLeftGearPistonValue() { |
73e8adbc AD |
186 | return leftGearPiston.get(); |
187 | } | |
188 | ||
06415bd8 AD |
189 | /* |
190 | * @return a value that is the current setpoint for the piston kReverse or | |
191 | * KForward | |
192 | */ | |
193 | public Value getRightGearPistonValue() { | |
194 | return rightGearPiston.get(); | |
195 | } | |
196 | ||
73e8adbc AD |
197 | /* |
198 | * Changes the ball shift gear assembly to high | |
199 | */ | |
200 | public void setHighGear() { | |
201 | changeGear(Constants.DriveTrain.HIGH_GEAR); | |
202 | } | |
203 | ||
204 | /* | |
205 | * Changes the ball shift gear assembly to low | |
206 | */ | |
207 | public void setLowGear() { | |
208 | changeGear(Constants.DriveTrain.LOW_GEAR); | |
209 | } | |
210 | ||
211 | /* | |
212 | * Changes the gear to a DoubleSolenoid.Value | |
213 | */ | |
214 | private void changeGear(DoubleSolenoid.Value gear) { | |
215 | leftGearPiston.set(gear); | |
216 | rightGearPiston.set(gear); | |
e12d6901 CZ |
217 | } |
218 | ||
cc42bd52 ME |
219 | @Override |
220 | protected void initDefaultCommand() { | |
221 | setDefaultCommand(new JoystickDrive()); | |
222 | } | |
38a404b3 | 223 | } |