Example #1
0
/* no required minumum length or duplicate checking */
bool bacnet_name_write(uint16_t offset,
    BACNET_CHARACTER_STRING * char_string,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    bool status = false;
    size_t length = 0;
    uint8_t encoding = 0;

    length = characterstring_length(char_string);
    if (length <= NVM_NAME_SIZE) {
        encoding = characterstring_encoding(char_string);
        if (encoding < MAX_CHARACTER_STRING_ENCODING) {
            status = bacnet_name_set(offset, char_string);
            if (!status) {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
            }
        } else {
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
        }
    } else {
        *error_class = ERROR_CLASS_PROPERTY;
        *error_code = ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
    }

    return status;
}
Example #2
0
bool Routed_Device_Write_Property_Local(
    BACNET_WRITE_PROPERTY_DATA * wp_data)
{
    bool status = false;        /* return value */
    int len = 0;
    BACNET_APPLICATION_DATA_VALUE value;

    /* decode the some of the request */
    len =
        bacapp_decode_application_data(wp_data->application_data,
                                       wp_data->application_data_len, &value);
    if (len < 0) {
        /* error while decoding - a value larger than we can handle */
        wp_data->error_class = ERROR_CLASS_PROPERTY;
        wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
        return false;
    }
    /*  only array properties can have array options */
    if ((wp_data->object_property != PROP_OBJECT_LIST) &&
            (wp_data->array_index != BACNET_ARRAY_ALL)) {
        wp_data->error_class = ERROR_CLASS_PROPERTY;
        wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        return false;
    }
    /* FIXME: len < application_data_len: more data? */
    switch (wp_data->object_property) {
    case PROP_OBJECT_IDENTIFIER:
        status =
            WPValidateArgType(&value, BACNET_APPLICATION_TAG_OBJECT_ID,
                              &wp_data->error_class, &wp_data->error_code);
        if (status) {
            if ((value.type.Object_Id.type == OBJECT_DEVICE) &&
                    (Routed_Device_Set_Object_Instance_Number(value.type.
                            Object_Id.instance))) {
                /* FIXME: we could send an I-Am broadcast to let the world know */
            } else {
                status = false;
                wp_data->error_class = ERROR_CLASS_PROPERTY;
                wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
            }
        }
        break;
    case PROP_OBJECT_NAME:
        status =
            WPValidateString(&value, MAX_DEV_NAME_LEN, false,
                             &wp_data->error_class, &wp_data->error_code);
        if (status) {
            Routed_Device_Set_Object_Name(characterstring_encoding(&value.
                                          type.Character_String),
                                          characterstring_value(&value.type.Character_String),
                                          characterstring_length(&value.type.Character_String));
        }
        break;
    default:
        status = Device_Write_Property_Local(wp_data);
        break;
    }
    return status;
}
Example #3
0
bool bacnet_name_set(uint16_t offset,
    BACNET_CHARACTER_STRING * char_string)
{
    uint8_t encoding = 0;
    uint8_t length = 0;
    char *str = NULL;

    length = characterstring_length(char_string);
    encoding = characterstring_encoding(char_string);
    str = characterstring_value(char_string);
    return bacnet_name_save(offset, encoding, str, length);
}
Example #4
0
bool WPValidateString(
    BACNET_APPLICATION_DATA_VALUE * pValue,
    int iMaxLen,
    bool bEmptyAllowed,
    BACNET_ERROR_CLASS * pErrorClass,
    BACNET_ERROR_CODE * pErrorCode)
{
    bool bResult;

    /* Save on a bit of code duplication by pre selecting the most
     * common outcomes from the tests (not necessarily the most likely
     * outcome of the tests).
     */
    bResult = false;
    *pErrorClass = ERROR_CLASS_PROPERTY;

    if (pValue->tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
        if (characterstring_encoding(&pValue->type.Character_String) ==
            CHARACTER_ANSI_X34) {
            if ((bEmptyAllowed == false) &&
                (characterstring_length(&pValue->type.Character_String) ==
                    0)) {
                *pErrorCode = ERROR_CODE_VALUE_OUT_OF_RANGE;
            } else if ((bEmptyAllowed == false) &&
                (!characterstring_printable(&pValue->type.Character_String))) {
                /* assumption: non-empty also means must be "printable" */
                *pErrorCode = ERROR_CODE_VALUE_OUT_OF_RANGE;
            } else if (characterstring_length(&pValue->type.Character_String) >
                (uint16_t) iMaxLen) {
                *pErrorClass = ERROR_CLASS_RESOURCES;
                *pErrorCode = ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
            } else
                bResult = true; /* It's all good! */
        } else
            *pErrorCode = ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
    } else
        *pErrorCode = ERROR_CODE_INVALID_DATA_TYPE;

    return (bResult);
}
Example #5
0
bool bacnet_name_write_unique(uint16_t offset,
    int object_type,
    uint32_t object_instance,
    BACNET_CHARACTER_STRING * char_string,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    bool status = false;
    size_t length = 0;
    uint8_t encoding = 0;
    int duplicate_type = 0;
    uint32_t duplicate_instance = 0;

    length = characterstring_length(char_string);
    if (length < 1) {
        *error_class = ERROR_CLASS_PROPERTY;
        *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
    } else if (length <= NVM_NAME_SIZE) {
        encoding = characterstring_encoding(char_string);
        if (encoding < MAX_CHARACTER_STRING_ENCODING) {
            if (Device_Valid_Object_Name(char_string, &duplicate_type,
                    &duplicate_instance)) {
                if ((duplicate_type == object_type) &&
                    (duplicate_instance == object_instance)) {
                    /* writing same name to same object */
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_DUPLICATE_NAME;
                }
            } else {
                status = bacnet_name_set(offset, char_string);
                if (status) {
                    Device_Inc_Database_Revision();
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            }
        } else {
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
        }
    } else {
        *error_class = ERROR_CLASS_PROPERTY;
        *error_code = ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
    }

    return status;
}
Example #6
0
static bool Multistate_Input_State_Text_Write(
    uint32_t object_instance,
    uint32_t state_index,
    BACNET_CHARACTER_STRING * char_string,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    unsigned index = 0; /* offset from instance lookup */
    size_t length = 0;
    uint8_t encoding = 0;
    bool status = false;        /* return value */

    index = Multistate_Input_Instance_To_Index(object_instance);
    if ((index < MAX_MULTISTATE_INPUTS) && (state_index > 0) &&
        (state_index <= Multistate_Input_Max_States(object_instance))) {
        state_index--;
        length = characterstring_length(char_string);
        if (length <= sizeof(State_Text[index][state_index])) {
            encoding = characterstring_encoding(char_string);
            if (encoding == CHARACTER_UTF8) {
                status =
                    characterstring_ansi_copy(State_Text[index][state_index],
                    sizeof(State_Text[index][state_index]), char_string);
                if (!status) {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
            }
        } else {
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
        }
    } else {
        *error_class = ERROR_CLASS_PROPERTY;
        *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
    }

    return status;
}
Example #7
0
bool Device_Write_Property_Local(
    BACNET_WRITE_PROPERTY_DATA * wp_data)
{
    bool status = false;        /* return value - false=error */
    int len = 0;
    uint8_t encoding = 0;
    size_t length = 0;
    BACNET_APPLICATION_DATA_VALUE value;

    /* decode the some of the request */
    len =
        bacapp_decode_application_data(wp_data->application_data,
        wp_data->application_data_len, &value);
    /* FIXME: len < application_data_len: more data? */
    if (len < 0) {
        /* error while decoding - a value larger than we can handle */
        wp_data->error_class = ERROR_CLASS_PROPERTY;
        wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
        return false;
    }
    if ((wp_data->object_property != PROP_OBJECT_LIST) &&
        (wp_data->array_index != BACNET_ARRAY_ALL)) {
        /*  only array properties can have array options */
        wp_data->error_class = ERROR_CLASS_PROPERTY;
        wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        return false;
    }
    switch ((int) wp_data->object_property) {
        case PROP_OBJECT_IDENTIFIER:
            if (value.tag == BACNET_APPLICATION_TAG_OBJECT_ID) {
                if ((value.type.Object_Id.type == OBJECT_DEVICE) &&
                    (Device_Set_Object_Instance_Number(value.type.
                            Object_Id.instance))) {
                    /* we could send an I-Am broadcast to let the world know */
                    status = true;
                } else {
                    wp_data->error_class = ERROR_CLASS_PROPERTY;
                    wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                wp_data->error_class = ERROR_CLASS_PROPERTY;
                wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_MAX_INFO_FRAMES:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if (value.type.Unsigned_Int <= 255) {
                    dlmstp_set_max_info_frames(value.type.Unsigned_Int);
                    status = true;
                } else {
                    wp_data->error_class = ERROR_CLASS_PROPERTY;
                    wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                wp_data->error_class = ERROR_CLASS_PROPERTY;
                wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_MAX_MASTER:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if ((value.type.Unsigned_Int > 0) &&
                    (value.type.Unsigned_Int <= 127)) {
                    dlmstp_set_max_master(value.type.Unsigned_Int);
                    status = true;
                } else {
                    wp_data->error_class = ERROR_CLASS_PROPERTY;
                    wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                wp_data->error_class = ERROR_CLASS_PROPERTY;
                wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_OBJECT_NAME:
            if (value.tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
                length = characterstring_length(&value.type.Character_String);
                if (length < 1) {
                    wp_data->error_class = ERROR_CLASS_PROPERTY;
                    wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                } else if (length < characterstring_capacity(&My_Object_Name)) {
                    encoding =
                        characterstring_encoding(&value.type.Character_String);
                    if (encoding < MAX_CHARACTER_STRING_ENCODING) {
                        /* All the object names in a device must be unique. */
                        if (Device_Valid_Object_Name(&value.type.
                                Character_String, NULL, NULL)) {
                            wp_data->error_class = ERROR_CLASS_PROPERTY;
                            wp_data->error_code = ERROR_CODE_DUPLICATE_NAME;
                        } else {
                            Device_Set_Object_Name(&value.type.
                                Character_String);
                            status = true;
                        }
                    } else {
                        wp_data->error_class = ERROR_CLASS_PROPERTY;
                        wp_data->error_code =
                            ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
                    }
                } else {
                    wp_data->error_class = ERROR_CLASS_PROPERTY;
                    wp_data->error_code =
                        ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
                }
            } else {
                wp_data->error_class = ERROR_CLASS_PROPERTY;
                wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case 9600:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if (value.type.Unsigned_Int <= 115200) {
                    RS485_Set_Baud_Rate(value.type.Unsigned_Int);
                    status = true;
                } else {
                    wp_data->error_class = ERROR_CLASS_PROPERTY;
                    wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                wp_data->error_class = ERROR_CLASS_PROPERTY;
                wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_NUMBER_OF_APDU_RETRIES:
        case PROP_APDU_TIMEOUT:
        case PROP_VENDOR_IDENTIFIER:
        case PROP_SYSTEM_STATUS:
        case PROP_LOCATION:
        case PROP_DESCRIPTION:
        case PROP_MODEL_NAME:
        case PROP_VENDOR_NAME:
        case PROP_FIRMWARE_REVISION:
        case PROP_APPLICATION_SOFTWARE_VERSION:
        case PROP_LOCAL_TIME:
        case PROP_UTC_OFFSET:
        case PROP_LOCAL_DATE:
        case PROP_DAYLIGHT_SAVINGS_STATUS:
        case PROP_PROTOCOL_VERSION:
        case PROP_PROTOCOL_REVISION:
        case PROP_PROTOCOL_SERVICES_SUPPORTED:
        case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
        case PROP_OBJECT_LIST:
        case PROP_MAX_APDU_LENGTH_ACCEPTED:
        case PROP_SEGMENTATION_SUPPORTED:
        case PROP_DEVICE_ADDRESS_BINDING:
        case PROP_DATABASE_REVISION:
        case PROP_ACTIVE_COV_SUBSCRIPTIONS:
            wp_data->error_class = ERROR_CLASS_PROPERTY;
            wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
            break;
        default:
            wp_data->error_class = ERROR_CLASS_PROPERTY;
            wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            break;
    }
    /* not using len at this time */
    len = len;

    return status;
}
Example #8
0
bool Device_Write_Property(
    BACNET_WRITE_PROPERTY_DATA * wp_data,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    bool status = false;        /* return value */
    int len = 0;
    BACNET_APPLICATION_DATA_VALUE value;

    if (!Device_Valid_Object_Instance_Number(wp_data->object_instance)) {
        *error_class = ERROR_CLASS_OBJECT;
        *error_code = ERROR_CODE_UNKNOWN_OBJECT;
        return false;
    }
    /* decode the some of the request */
    len =
        bacapp_decode_application_data(wp_data->application_data,
        wp_data->application_data_len, &value);
    /* FIXME: len < application_data_len: more data? */
    /* FIXME: len == 0: unable to decode? */
    switch (wp_data->object_property) {
        case PROP_OBJECT_IDENTIFIER:
            if (value.tag == BACNET_APPLICATION_TAG_OBJECT_ID) {
                if ((value.type.Object_Id.type == OBJECT_DEVICE) &&
                    (Device_Set_Object_Instance_Number(value.type.
                            Object_Id.instance))) {
                    /* we could send an I-Am broadcast to let the world know */
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_MAX_INFO_FRAMES:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if (value.type.Unsigned_Int <= 255) {
                    dlmstp_set_max_info_frames(value.type.Unsigned_Int);
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_MAX_MASTER:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if ((value.type.Unsigned_Int > 0) &&
                    (value.type.Unsigned_Int <= 127)) {
                    dlmstp_set_max_master(value.type.Unsigned_Int);
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_OBJECT_NAME:
            if (value.tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
                uint8_t encoding;
                size_t len;

                encoding =
                    characterstring_encoding(&value.type.Character_String);
                len = characterstring_length(&value.type.Character_String);
                if (encoding == CHARACTER_ANSI_X34) {
                    if (len <= 20) {
                        /* FIXME: set the name */
                        /* Display_Set_Name(
                           characterstring_value(&value.type.Character_String)); */
                        /* FIXME:  All the object names in a device must be unique.
                           Disallow setting the Device Object Name to any objects in
                           the device. */
                    } else {
                        *error_class = ERROR_CLASS_PROPERTY;
                        *error_code = ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
                    }
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case 9600:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if (value.type.Unsigned_Int > 115200) {
                    RS485_Set_Baud_Rate(value.type.Unsigned_Int);
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        default:
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
            break;
    }

    return status;
}
Example #9
0
/* returns true if successful */
bool Device_Write_Property(
    BACNET_WRITE_PROPERTY_DATA * wp_data,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    bool status = false;        /* return value */
    int len = 0;
    BACNET_APPLICATION_DATA_VALUE value;

    if (!Device_Valid_Object_Instance_Number(wp_data->object_instance)) {
        *error_class = ERROR_CLASS_OBJECT;
        *error_code = ERROR_CODE_UNKNOWN_OBJECT;
        return false;
    }
    /* decode the some of the request */
    len =
        bacapp_decode_application_data(wp_data->application_data,
        wp_data->application_data_len, &value);
    /* FIXME: len < application_data_len: more data? */
    /* FIXME: len == 0: unable to decode? */
    switch (wp_data->object_property) {
        case PROP_OBJECT_IDENTIFIER:
            if (value.tag == BACNET_APPLICATION_TAG_OBJECT_ID) {
                if ((value.type.Object_Id.type == OBJECT_DEVICE) &&
                    (Device_Set_Object_Instance_Number(value.type.
                            Object_Id.instance))) {
                    /* FIXME: we could send an I-Am broadcast to let the world know */
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_NUMBER_OF_APDU_RETRIES:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                /* FIXME: bounds check? */
                apdu_retries_set((uint8_t) value.type.Unsigned_Int);
                status = true;
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_APDU_TIMEOUT:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                /* FIXME: bounds check? */
                apdu_timeout_set((uint16_t) value.type.Unsigned_Int);
                status = true;
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_VENDOR_IDENTIFIER:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                /* FIXME: bounds check? */
                Device_Set_Vendor_Identifier((uint16_t) value.
                    type.Unsigned_Int);
                status = true;
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_SYSTEM_STATUS:
            if (value.tag == BACNET_APPLICATION_TAG_ENUMERATED) {
                /* FIXME: bounds check? */
                Device_Set_System_Status((BACNET_DEVICE_STATUS) value.
                    type.Enumerated);
                status = true;
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_OBJECT_NAME:
            if (value.tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
                uint8_t encoding;
                encoding =
                    characterstring_encoding(&value.type.Character_String);
                if (encoding == CHARACTER_ANSI_X34) {
                    status =
                        Device_Set_Object_Name(characterstring_value
                        (&value.type.Character_String),
                        characterstring_length(&value.type.Character_String));
                    if (!status) {
                        *error_class = ERROR_CLASS_PROPERTY;
                        *error_code = ERROR_CODE_NO_SPACE_TO_WRITE_PROPERTY;
                    }
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_CHARACTER_SET_NOT_SUPPORTED;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
#if defined(BACDL_MSTP)
        case PROP_MAX_INFO_FRAMES:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if (value.type.Unsigned_Int <= 255) {
                    dlmstp_set_max_info_frames((uint8_t) value.
                        type.Unsigned_Int);
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
        case PROP_MAX_MASTER:
            if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                if ((value.type.Unsigned_Int > 0) &&
                    (value.type.Unsigned_Int <= 127)) {
                    dlmstp_set_max_master((uint8_t) value.type.Unsigned_Int);
                    status = true;
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
                }
            } else {
                *error_class = ERROR_CLASS_PROPERTY;
                *error_code = ERROR_CODE_INVALID_DATA_TYPE;
            }
            break;
#endif
        default:
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
            break;
    }

    return status;
}