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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-01-18 15:51:09 -0500
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-01-18 15:51:09 -0500
commit07891185449d9c400627d5ad088bfe65ae5ca817 (patch)
treecbfd17d468e0718f14a02b0c2fbb20d6681b33e4 /src/org/usfirst/frc/team4272/robotlib
parentb00bc94212488b2d1ef293765728e5b549fa8b5d (diff)
stuff
Diffstat (limited to 'src/org/usfirst/frc/team4272/robotlib')
-rw-r--r--src/org/usfirst/frc/team4272/robotlib/PIDController.java36
1 files changed, 17 insertions, 19 deletions
diff --git a/src/org/usfirst/frc/team4272/robotlib/PIDController.java b/src/org/usfirst/frc/team4272/robotlib/PIDController.java
index 965851d..6650ad4 100644
--- a/src/org/usfirst/frc/team4272/robotlib/PIDController.java
+++ b/src/org/usfirst/frc/team4272/robotlib/PIDController.java
@@ -34,7 +34,12 @@ import edu.wpi.first.wpilibj.SpeedController;
//import edu.wpi.first.wpilibj.PIDController;
/**
- * TODO: Write JavaDocs
+ * A variant of edu.wpi.first.wpilibj.PIDController that also:
+ * <ul>
+ * <li> implements SpeedController (and therefore PIDOutput)
+ * <li> has auto-enable/disable functionality to avoid "locking" the
+ * motor when the setpoint is 0.
+ *
* @author Luke Shumaker <lukeshu@sbcglobal.net>
*/
public class PIDController extends edu.wpi.first.wpilibj.PIDController implements SpeedController {
@@ -47,37 +52,28 @@ public class PIDController extends edu.wpi.first.wpilibj.PIDController implement
public final PIDSource source;
public final PIDOutput output;
- /* Mimic the four PIDController constructors *******************/
+ /* Constructors *******************************************************/
public PIDController(double Kp, double Ki, double Kd, PIDSource source, PIDOutput output) {
- super(Kp, Ki, Kd, source, output);
- this.source = source;
- this.output = output;
+ this(Kp, Ki, Kd, source, output, kDefaultPeriod, false);
}
public PIDController(double Kp, double Ki, double Kd, PIDSource source, PIDOutput output, double period) {
- super(Kp, Ki, Kd, source, output, period);
- this.source = source;
- this.output = output;
+ this(Kp, Ki, Kd, source, output, period, false);
}
-
public PIDController(double Kp, double Ki, double Kd, PIDSource source, PIDOutput output, boolean autodisable) {
- super(Kp, Ki, Kd, source, output);
- this.autodisable = autodisable;
- enabled = this.isEnabled();
- this.source = source;
- this.output = output;
+ this(Kp, Ki, Kd, source, output, kDefaultPeriod, autodisable);
}
public PIDController(double Kp, double Ki, double Kd, PIDSource source, PIDOutput output, double period, boolean autodisable) {
super(Kp, Ki, Kd, source, output, period);
this.autodisable = autodisable;
- enabled = this.isEnabled();
+ this.enabled = this.isEnabled();
this.source = source;
this.output = output;
}
- /* Mimic the four PIDController constructors *******************/
+ /* Mimic the four PIDController constructors **************************/
- public void setSetpoint(double output) {
+ public synchronized void setSetpoint(double output) {
if ((output == 0) && autodisable) {
disable();
enabled = false;
@@ -90,12 +86,14 @@ public class PIDController extends edu.wpi.first.wpilibj.PIDController implement
}
}
- /* Implement PIDOutput (a parent of SpeedController) */
+ /* Implement PIDOutput (a parent of SpeedController) *******************/
+
public void pidWrite(double output) {
setSetpoint(output);
}
- /* Implement SpeedController */
+ /* Implement SpeedController *******************************************/
+
public void set(double output) {
setSetpoint(output);
}