X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altoslib%2FAltosDebug.java;h=e58fbaf2eafa12f5f1fd765dbc9ab1c0ddd18029;hb=f395bcaa620490954d4a42de9b4870bc12bedc91;hp=6784f60abb3793c4de9df2aa07b2b89e3df12058;hpb=bd440afc2a6e37b74fffcf1b977e149485095316;p=fw%2Faltos

diff --git a/altoslib/AltosDebug.java b/altoslib/AltosDebug.java
index 6784f60a..e58fbaf2 100644
--- a/altoslib/AltosDebug.java
+++ b/altoslib/AltosDebug.java
@@ -52,7 +52,7 @@ public class AltosDebug {
 	public static final byte GET_CHIP_ID =		0x68;
 
 
-	AltosLink	link;
+	private AltosLink	link;
 
 	boolean	debug_mode;
 
@@ -112,7 +112,11 @@ public class AltosDebug {
 		int i = 0;
 		int start = 0;
 		while (i < length) {
-			String	line = link.get_reply().trim();
+			String	line = link.get_reply();
+			if (line == null)
+				throw new IOException("No reply");
+
+			line = line.trim();
 			if (!AltosLib.ishex(line) || line.length() % 2 != 0)
 				throw new IOException(
 					String.format
@@ -277,4 +281,4 @@ public class AltosDebug {
 	public AltosDebug (AltosLink link) {
 		this.link = link;
 	}
-}
\ No newline at end of file
+}