Fixed Device Address Binding by allowing a zero length APDU to be passed back from the objects, and used -1 as signal for error encoding.

2006-02-09 17:50:48 +00:00
parent 09dc4d1f04
commit 6d0f6adb90
5 changed files with 19 additions and 12 deletions
@@ -141,6 +141,7 @@ static float Analog_Output_Present_Value(uint32_t object_instance)
  return value;
 }

+/* return apdu len, or -1 on error */
 int Analog_Output_Encode_Property_APDU(
  uint8_t *apdu,
  uint32_t object_instance,
@@ -223,7 +224,7 @@ int Analog_Output_Encode_Property_APDU(
          {
            *error_class = ERROR_CLASS_SERVICES;
            *error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
-            apdu_len = 0;
+            apdu_len = -1;
            break;
          }
        }
@@ -245,6 +246,7 @@ int Analog_Output_Encode_Property_APDU(
        {
          *error_class = ERROR_CLASS_PROPERTY;
          *error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
+          apdu_len = -1;
        }
      }
    
@@ -256,6 +258,7 @@ int Analog_Output_Encode_Property_APDU(
    default:
      *error_class = ERROR_CLASS_PROPERTY;
      *error_code = ERROR_CODE_UNKNOWN_PROPERTY;
+      apdu_len = -1;
      break;
  }