From e76b9cc32bbcc5176d9bdd6f8d79778024627382 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 28 Jul 2010 12:24:53 -0700
Subject: altosui: Catch errors opening USB devices. Limit list to relevant
 devices

Avoids a segfault when failing to open a device. Limit listed telemetry
devices to just TeleDongle units.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 ao-tools/altosui/AltosSerial.java | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'ao-tools/altosui/AltosSerial.java')

diff --git a/ao-tools/altosui/AltosSerial.java b/ao-tools/altosui/AltosSerial.java
index e84f5b63..b016c1d6 100644
--- a/ao-tools/altosui/AltosSerial.java
+++ b/ao-tools/altosui/AltosSerial.java
@@ -134,6 +134,8 @@ public class AltosSerial implements Runnable {
 	public void open(altos_device device) throws FileNotFoundException {
 		close();
 		altos = libaltos.altos_open(device);
+		if (altos == null)
+			throw new FileNotFoundException(device.getPath());
 		input_thread = new Thread(this);
 		input_thread.start();
 	}
-- 
cgit v1.2.3