Add clearDTR hint about usage to avoid Arduino resets

Fazecast · Nov 6, 2023 · 064b553 · 064b553
1 parent 4da4af7
commit 064b553
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/main/java/com/fazecast/jSerialComm/SerialPort.java b/src/main/java/com/fazecast/jSerialComm/SerialPort.java
@@ -945,6 +945,10 @@ public final boolean setDTR()
 
 	/**
 	 * Clears the state of the DTR line to 0.
+	 * <p>
+	 * If you call this function <i>before</i> opening your port, it may help to mitigate a known problem with Arduino-based
+	 * devices resetting themselves upon a connection being made.
+	 *
 	 * @return true if successful, false if not.
 	 */
 	public final boolean clearDTR()