From ec7cc8c5cf6cc766b28f554729bbd98e00188d98 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@arduino.cc>
Date: Thu, 25 Jun 2015 13:00:27 +0200
Subject: [PATCH] Added check when setting serial port parameters

This allows to detect for invalid baud rate settings in
particular on Linux where the kernel do not allow non-standard
baud rates on some devices.

See #3389
See #3351
---
 arduino-core/src/processing/app/Serial.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arduino-core/src/processing/app/Serial.java b/arduino-core/src/processing/app/Serial.java
index 7cfc327aa..904e8b9a8 100644
--- a/arduino-core/src/processing/app/Serial.java
+++ b/arduino-core/src/processing/app/Serial.java
@@ -112,7 +112,11 @@ public class Serial implements SerialPortEventListener {
     try {
       port = new SerialPort(iname);
       port.openPort();
-      port.setParams(irate, idatabits, stopbits, parity, true, true);
+      boolean res = port.setParams(irate, idatabits, stopbits, parity, true, true);
+      if (!res) {
+        System.err.println(format(_("Error while setting serial port parameters: {0} {1} {2} {3}"),
+                                  irate, iparity, idatabits, istopbits));
+      }
       port.addEventListener(this);
     } catch (SerialPortException e) {
       if (e.getPortName().startsWith("/dev") && SerialPortException.TYPE_PERMISSION_DENIED.equals(e.getExceptionType())) {