altosui: Report error message back from libaltos

[fw/altos] / altosui / AltosUSBDevice.java

diff --git a/altosui/AltosUSBDevice.java b/altosui/AltosUSBDevice.java
index dc746a64fb4aa7de038872bbf18f5fde13d7d523..b11a3934b1376906974eab03cdf02b8c698f3817 100644 (file)
--- a/altosui/AltosUSBDevice.java
+++ b/altosui/AltosUSBDevice.java
@@ -39,6 +39,13 @@ public class AltosUSBDevice  extends altos_device implements AltosDevice {
 
        }
 
+       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 SWIGTYPE_p_altos_file open() {
                return libaltos.altos_open(this);
        }