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Add clarification to LED about length and # of drivers (#2231)

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This commit is contained in:
Thad House
2020-01-04 19:57:10 -08:00
committed by Peter Johnson
parent bedbef7999
commit b2f7a6b651
2 changed files with 12 additions and 4 deletions
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8
wpilibj/src/main/java/edu/wpi/first/wpilibj/AddressableLED.java
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@@ -1,5 +1,5 @@
/*----------------------------------------------------------------------------*/
/* Copyright (c) 2019 FIRST. All Rights Reserved. */
/* Copyright (c) 2019-2020 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
@@ -14,6 +14,8 @@ import edu.wpi.first.hal.PWMJNI;
/**
* A class for driving addressable LEDs, such as WS2812s and NeoPixels.
*
* <p>Only 1 LED driver is currently supported by the roboRIO.
*/
public class AddressableLED implements AutoCloseable {
private final int m_pwmHandle;
@@ -22,7 +24,7 @@ public class AddressableLED implements AutoCloseable {
/**
* Constructs a new driver for a specific port.
*
* @param port the output port to use (Must be a PWM port)
* @param port the output port to use (Must be a PWM header, not on MXP)
*/
public AddressableLED(int port) {
m_pwmHandle = PWMJNI.initializePWMPort(HAL.getPort((byte) port));
@@ -45,6 +47,8 @@ public class AddressableLED implements AutoCloseable {
*
* <p>Calling this is an expensive call, so its best to call it once, then just update data.
*
* <p>The max length is 5460 LEDs.
*
* @param length the strip length
*/
public void setLength(int length) {