示例#1
0
文件: lo.c 项目: HITliuyu/NES15_HEVC
/* return apdu len, or BACNET_STATUS_ERROR on error */
int Lighting_Output_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int len = 0;
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    float real_value = (float) 1.414;
    unsigned object_index = 0;
    unsigned i = 0;
    bool state = false;
    uint8_t *apdu = NULL;

    if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
        (rpdata->application_data_len == 0)) {
        return 0;
    }
    apdu = rpdata->application_data;
    switch (rpdata->object_property) {
        case PROP_OBJECT_IDENTIFIER:
            apdu_len =
                encode_application_object_id(&apdu[0], OBJECT_LIGHTING_OUTPUT,
                rpdata->object_instance);
            break;
        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            /* object name must be unique in this device. */
            /* FIXME: description could be writable and different than object name */
            characterstring_init_ansi(&char_string,
                Lighting_Output_Name(rpdata->object_instance));
            apdu_len =
                encode_application_character_string(&apdu[0], &char_string);
            break;
        case PROP_OBJECT_TYPE:
            apdu_len =
                encode_application_enumerated(&apdu[0],
                OBJECT_LIGHTING_OUTPUT);
            break;
        case PROP_PRESENT_VALUE:
            real_value =
                Lighting_Output_Present_Value(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_TRACKING_VALUE:
            real_value =
                Lighting_Output_Tracking_Value(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_LIGHTING_COMMAND:
            apdu_len =
                Lighting_Output_Encode_Lighting_Command(&apdu[0],
                &Lighting_Command[rpdata->object_instance]);
            break;
        case PROP_STATUS_FLAGS:
            bitstring_init(&bit_string);
            bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
            bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, false);
            bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, false);
            bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE, false);
            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
            break;
        case PROP_EVENT_STATE:
            apdu_len =
                encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
            break;
        case PROP_OUT_OF_SERVICE:
            object_index =
                Lighting_Output_Instance_To_Index(rpdata->object_instance);
            state = Lighting_Output_Out_Of_Service[object_index];
            apdu_len = encode_application_boolean(&apdu[0], state);
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
            break;
        case PROP_PRIORITY_ARRAY:
            /* Array element zero is the number of elements in the array */
            if (rpdata->array_index == 0)
                apdu_len =
                    encode_application_unsigned(&apdu[0], BACNET_MAX_PRIORITY);
            /* if no index was specified, then try to encode the entire list */
            /* into one packet. */
            else if (rpdata->array_index == BACNET_ARRAY_ALL) {
                object_index =
                    Lighting_Output_Instance_To_Index(rpdata->object_instance);
                for (i = 0; i < BACNET_MAX_PRIORITY; i++) {
                    /* FIXME: check if we have room before adding it to APDU */
                    if (Lighting_Output_Level[object_index][i] ==
                        LIGHTING_LEVEL_NULL)
                        len = encode_application_null(&apdu[apdu_len]);
                    else {
                        real_value = Lighting_Output_Level[object_index][i];
                        len =
                            encode_application_real(&apdu[apdu_len],
                            real_value);
                    }
                    /* add it if we have room */
                    if ((apdu_len + len) < MAX_APDU)
                        apdu_len += len;
                    else {
                        rpdata->error_class = ERROR_CLASS_SERVICES;
                        rpdata->error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
                        apdu_len = BACNET_STATUS_ERROR;
                        break;
                    }
                }
            } else {
                object_index =
                    Lighting_Output_Instance_To_Index(rpdata->object_instance);
                if (rpdata->array_index <= BACNET_MAX_PRIORITY) {
                    if (Lighting_Output_Level[object_index][rpdata->array_index
                            - 1] == LIGHTING_LEVEL_NULL)
                        apdu_len = encode_application_null(&apdu[0]);
                    else {
                        real_value = Lighting_Output_Level[object_index]
                            [rpdata->array_index - 1];
                        apdu_len =
                            encode_application_real(&apdu[0], real_value);
                    }
                } else {
                    rpdata->error_class = ERROR_CLASS_PROPERTY;
                    rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
                    apdu_len = BACNET_STATUS_ERROR;
                }
            }

            break;
        case PROP_RELINQUISH_DEFAULT:
            real_value = LIGHTING_RELINQUISH_DEFAULT;
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        default:
            rpdata->error_class = ERROR_CLASS_PROPERTY;
            rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = BACNET_STATUS_ERROR;
            break;
    }
    /*  only array properties can have array options */
    if ((apdu_len >= 0) && (rpdata->object_property != PROP_PRIORITY_ARRAY) &&
        (rpdata->array_index != BACNET_ARRAY_ALL)) {
        rpdata->error_class = ERROR_CLASS_PROPERTY;
        rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        apdu_len = BACNET_STATUS_ERROR;
    }

    return apdu_len;
}
示例#2
0
/**
 * ReadProperty handler for this object.  For the given ReadProperty
 * data, the application_data is loaded or the error flags are set.
 *
 * @param  rpdata - ReadProperty data, including requested data and
 * data for the reply, or error response.
 *
 * @return number of APDU bytes in the response, or
 * BACNET_STATUS_ERROR on error.
 */
int Lighting_Output_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int len = 0;
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    BACNET_LIGHTING_COMMAND lighting_command;
    float real_value = (float) 1.414;
    uint32_t unsigned_value = 0;
    unsigned i = 0;
    bool state = false;
    uint8_t *apdu = NULL;
    const int *pRequired = NULL, *pOptional = NULL, *pProprietary = NULL;

    if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
        (rpdata->application_data_len == 0)) {
        return 0;
    }
    apdu = rpdata->application_data;
    switch (rpdata->object_property) {
        case PROP_OBJECT_IDENTIFIER:
            apdu_len =
                encode_application_object_id(&apdu[0], OBJECT_LIGHTING_OUTPUT,
                rpdata->object_instance);
            break;
        case PROP_OBJECT_NAME:
            Lighting_Output_Object_Name(rpdata->object_instance, &char_string);
            apdu_len =
                encode_application_character_string(&apdu[0], &char_string);
            break;
        case PROP_OBJECT_TYPE:
            apdu_len =
                encode_application_enumerated(&apdu[0], OBJECT_LIGHTING_OUTPUT);
            break;
        case PROP_PRESENT_VALUE:
            real_value = Lighting_Output_Present_Value(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_TRACKING_VALUE:
            real_value =
                Lighting_Output_Tracking_Value(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_LIGHTING_COMMAND:
            Lighting_Output_Lighting_Command(
                rpdata->object_instance,
                &lighting_command);
            apdu_len = lighting_command_encode(&apdu[0],
                &lighting_command);
            break;
        case PROP_IN_PROGRESS:
            unsigned_value = Lighting_Output_In_Progress(
                rpdata->object_instance);
            apdu_len = encode_application_enumerated(&apdu[0],
                unsigned_value);
            break;
        case PROP_STATUS_FLAGS:
            bitstring_init(&bit_string);
            bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
            bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, false);
            bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, false);
            state = Lighting_Output_Out_Of_Service(rpdata->object_instance);
            bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE, state);
            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
            break;
        case PROP_OUT_OF_SERVICE:
            state = Lighting_Output_Out_Of_Service(rpdata->object_instance);
            apdu_len = encode_application_boolean(&apdu[0], state);
            break;
        case PROP_BLINK_WARN_ENABLE:
            state = Lighting_Output_Blink_Warn_Enable(rpdata->object_instance);
            apdu_len = encode_application_boolean(&apdu[0], state);
            break;
        case PROP_EGRESS_TIME:
            unsigned_value = Lighting_Output_Egress_Time(
                rpdata->object_instance);
            apdu_len = encode_application_unsigned(&apdu[0],
                unsigned_value);
            break;
        case PROP_EGRESS_ACTIVE:
            state = Lighting_Output_Egress_Active(rpdata->object_instance);
            apdu_len = encode_application_boolean(&apdu[0], state);
            break;
        case PROP_DEFAULT_FADE_TIME:
            unsigned_value = Lighting_Output_Default_Fade_Time(
                rpdata->object_instance);
            apdu_len = encode_application_unsigned(&apdu[0],
                unsigned_value);
            break;
        case PROP_DEFAULT_RAMP_RATE:
            real_value =
                Lighting_Output_Default_Ramp_Rate(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_DEFAULT_STEP_INCREMENT:
            real_value =
                Lighting_Output_Default_Step_Increment(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_PRIORITY_ARRAY:
            /* Array element zero is the number of elements in the array */
            if (rpdata->array_index == 0) {
                apdu_len =
                    encode_application_unsigned(&apdu[0], BACNET_MAX_PRIORITY);
            /* if no index was specified, then try to encode the entire list */
            /* into one packet. */
            } else if (rpdata->array_index == BACNET_ARRAY_ALL) {
                for (i = 1; i <= BACNET_MAX_PRIORITY; i++) {
                    if (Lighting_Output_Priority_Active(
                        rpdata->object_instance, i)) {
                        real_value = Lighting_Output_Priority_Value(
                            rpdata->object_instance, i);
                        len =
                            encode_application_real(&apdu[apdu_len],
                            real_value);
                    } else {
                        len = encode_application_null(&apdu[apdu_len]);
                    }
                    /* add it if we have room */
                    if ((apdu_len + len) < MAX_APDU)
                        apdu_len += len;
                    else {
                        rpdata->error_class = ERROR_CLASS_SERVICES;
                        rpdata->error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
                        apdu_len = BACNET_STATUS_ERROR;
                        break;
                    }
                }
            } else {
                if (rpdata->array_index <= BACNET_MAX_PRIORITY) {
                    if (Lighting_Output_Priority_Active(
                        rpdata->object_instance,
                        rpdata->array_index)) {
                        real_value = Lighting_Output_Priority_Value(
                            rpdata->object_instance,
                            rpdata->array_index);
                        len =
                            encode_application_real(&apdu[apdu_len],
                            real_value);
                    } else {
                        len = encode_application_null(&apdu[apdu_len]);
                    }
                } else {
                    rpdata->error_class = ERROR_CLASS_PROPERTY;
                    rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
                    apdu_len = BACNET_STATUS_ERROR;
                }
            }
            break;
        case PROP_RELINQUISH_DEFAULT:
            real_value = Lighting_Output_Relinquish_Default(
                    rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
        case PROP_LIGHTING_COMMAND_DEFAULT_PRIORITY:
            unsigned_value = Lighting_Output_Default_Priority(
                rpdata->object_instance);
            apdu_len = encode_application_unsigned(&apdu[0],
                unsigned_value);
            break;
        case PROP_PROPERTY_LIST:
            Lighting_Output_Property_Lists(&pRequired, &pOptional, &pProprietary);
            apdu_len = property_list_encode(
                rpdata,
                pRequired,
                pOptional,
                pProprietary);
            break;
        default:
            rpdata->error_class = ERROR_CLASS_PROPERTY;
            rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = BACNET_STATUS_ERROR;
            break;
    }
    /*  only array properties can have array options */
    if ((apdu_len >= 0) && (rpdata->object_property != PROP_PRIORITY_ARRAY) &&
        (rpdata->object_property != PROP_PROPERTY_LIST) &&
        (rpdata->array_index != BACNET_ARRAY_ALL)) {
        rpdata->error_class = ERROR_CLASS_PROPERTY;
        rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        apdu_len = BACNET_STATUS_ERROR;
    }

    return apdu_len;
}