altosui: Report error message back from libaltos

This includes changing all of the error dialogs to show the error
message rather than just the file name.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/altosui/AltosBTDevice.java b/altosui/AltosBTDevice.java
index 7a876c25..55b8f8fc 100644
--- a/altosui/AltosBTDevice.java
+++ b/altosui/AltosBTDevice.java
@@ -42,6 +42,13 @@ public class AltosBTDevice extends altos_bt_device implements AltosDevice {
 		return getAddr();
 	}
 
+	public String getErrorString() {
+		altos_error	error = new altos_error();
+
+		libaltos.altos_get_last_error(error);
+		return String.format("%s (%d)", error.getString(), error.getCode());
+	}
+
 	public int getSerial() {
 		String name = getName();
 		if (name == null)