[examples] Add Analog Potentiometer Snippets (#7957)

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/snippets/analogpotentiometer/Main.java

@@ -0,0 +1,25 @@
+// 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.
+
+package edu.wpi.first.wpilibj.snippets.analogpotentiometer;
+
+import edu.wpi.first.wpilibj.RobotBase;
+
+/**
+ * Do NOT add any static variables to this class, or any initialization at all. Unless you know what
+ * you are doing, do not modify this file except to change the parameter class to the startRobot
+ * call.
+ */
+public final class Main {
+  private Main() {}
+
+  /**
+   * Main initialization function. Do not perform any initialization here.
+   *
+   * <p>If you change your main robot class, change the parameter type.
+   */
+  public static void main(String... args) {
+    RobotBase.startRobot(Robot::new);
+  }
+}

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/snippets/analogpotentiometer/Robot.java

@@ -0,0 +1,45 @@
+// 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.
+
+package edu.wpi.first.wpilibj.snippets.analogpotentiometer;
+
+import edu.wpi.first.wpilibj.AnalogInput;
+import edu.wpi.first.wpilibj.AnalogPotentiometer;
+import edu.wpi.first.wpilibj.TimedRobot;
+
+/**
+ * AnalogPotentiometer snippets for frc-docs.
+ * https://docs.wpilib.org/en/stable/docs/software/hardware-apis/sensors/analog-poteniometers-software.html
+ */
+public class Robot extends TimedRobot {
+  // Initializes an AnalogPotentiometer on analog port 0
+  // The full range of motion (in meaningful external units) is 0-180 (this could be degrees, for
+  // instance)
+  // The "starting point" of the motion, i.e. where the mechanism is located when the potentiometer
+  // reads 0v, is 30.
+  AnalogPotentiometer m_pot = new AnalogPotentiometer(0, 180, 30);
+
+  // Initializes an AnalogInput on port 1
+  AnalogInput m_input = new AnalogInput(0);
+  // Initializes an AnalogPotentiometer with the given AnalogInput
+  // The full range of motion (in meaningful external units) is 0-180 (this could be degrees, for
+  // instance)
+  // The "starting point" of the motion, i.e. where the mechanism is located when the potentiometer
+  // reads 0v, is 30.
+  AnalogPotentiometer m_pot1 = new AnalogPotentiometer(m_input, 180, 30);
+
+  /** Called once at the beginning of the robot program. */
+  public Robot() {
+    // Set averaging bits to 2
+    m_input.setAverageBits(2);
+  }
+
+  @Override
+  public void teleopPeriodic() {
+    // Get the value of the potentiometer
+    m_pot.get();
+
+    m_pot1.get();
+  }
+}

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/snippets/snippets.json

@@ -102,5 +102,16 @@
     "foldername": "analoginput",
     "gradlebase": "java",
     "mainclass": "Main"
+  },
+  {
+    "name": "AnalogPotentiometer",
+    "description": "Snippets of Analog Potentiometer for frc-docs.",
+    "tags": [
+      "Hardware",
+      "Analog"
+    ],
+    "foldername": "analogpotentiometer",
+    "gradlebase": "java",
+    "mainclass": "Main"
   }
 ]