Bugfix/using-uint16-for-units-property-storage (#1107)

* Fixed units property declaration in basic Analog Input header file to be uint16_t instead of uint8_t. * Added range checking of units property in example objects WriteProperty handler.
2025-09-24 09:35:10 -05:00
parent b357bca5dd
commit 7dfc840dfc
8 changed files with 91 additions and 23 deletions
@@ -997,7 +997,13 @@ bool Analog_Value_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data)
            status = write_property_type_valid(
                wp_data, &value, BACNET_APPLICATION_TAG_ENUMERATED);
            if (status) {
-                CurrentAV->Units = value.type.Enumerated;
+                if (value.type.Enumerated <= UINT16_MAX) {
+                    CurrentAV->Units = value.type.Enumerated;
+                } else {
+                    status = false;
+                    wp_data->error_class = ERROR_CLASS_PROPERTY;
+                    wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
+                }
            }
            break;
        case PROP_COV_INCREMENT: