Beispiel #1
0
static void ProcessPT(
    BACNET_PRIVATE_TRANSFER_DATA * data)
{
    int iLen;   /* Index to current location in data */
    char cBlockNumber;
    uint32_t ulTemp;
    int tag_len;
    uint8_t tag_number;
    uint32_t len_value_type;
    BACNET_CHARACTER_STRING bsTemp;

    iLen = 0;

    /* Decode the block number */
    tag_len =
        decode_tag_number_and_value(&data->serviceParameters[iLen],
        &tag_number, &len_value_type);
    iLen += tag_len;
    if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT) {
        /* Bail out early if wrong type */
        /* and signal unexpected error */
        data->serviceParametersLen = 0;
        return;
    }

    iLen +=
        decode_unsigned(&data->serviceParameters[iLen], len_value_type,
        &ulTemp);
    cBlockNumber = (char) ulTemp;
    if (cBlockNumber < MY_MAX_BLOCK) {
        if (data->serviceNumber == MY_SVC_READ) {
            /*  Read Response is an unsigned int with
               0 for success or a non 0 error code
               For a successful read the 0 success
               code is followed by the block number
               and then the block contents which
               consist of 2 unsigned ints (in 0 to 255
               range as they are really chars) a single
               precision real and a string which
               will be up to 32 chars + a nul */

            iLen = 0;

            /* Signal success */
            iLen += encode_application_unsigned(&IOBufferPT[iLen], MY_ERR_OK);
            /* Followed by the block number */
            iLen +=
                encode_application_unsigned(&IOBufferPT[iLen], cBlockNumber);
            /* And Then the block contents */
            iLen +=
                encode_application_unsigned(&IOBufferPT[iLen],
                MyData[(int8_t) cBlockNumber].cMyByte1);
            iLen +=
                encode_application_unsigned(&IOBufferPT[iLen],
                MyData[(int8_t) cBlockNumber].cMyByte2);
            iLen +=
                encode_application_real(&IOBufferPT[iLen],
                MyData[(int8_t) cBlockNumber].fMyReal);
            characterstring_init_ansi(&bsTemp,
                (char *) MyData[(int8_t) cBlockNumber].sMyString);
            iLen +=
                encode_application_character_string(&IOBufferPT[iLen],
                &bsTemp);
        } else {
            /* Write operation */
            /*  Write block consists of the block number
               followed by the block contents as
               described above for the read operation.
               The returned result is an unsigned
               response which is 0 for success and
               a non 0 error code otherwise. */

            tag_len =
                decode_tag_number_and_value(&data->serviceParameters[iLen],
                &tag_number, &len_value_type);
            iLen += tag_len;
            if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                data->serviceParametersLen = 0;
                return;
            }
            iLen +=
                decode_unsigned(&data->serviceParameters[iLen], len_value_type,
                &ulTemp);
            MyData[(int8_t) cBlockNumber].cMyByte1 = (char) ulTemp;

            tag_len =
                decode_tag_number_and_value(&data->serviceParameters[iLen],
                &tag_number, &len_value_type);
            iLen += tag_len;
            if (tag_number != BACNET_APPLICATION_TAG_UNSIGNED_INT) {
                data->serviceParametersLen = 0;
                return;
            }
            iLen +=
                decode_unsigned(&data->serviceParameters[iLen], len_value_type,
                &ulTemp);
            MyData[(int8_t) cBlockNumber].cMyByte2 = (char) ulTemp;

            tag_len =
                decode_tag_number_and_value(&data->serviceParameters[iLen],
                &tag_number, &len_value_type);
            iLen += tag_len;
            if (tag_number != BACNET_APPLICATION_TAG_REAL) {
                data->serviceParametersLen = 0;
                return;
            }
            iLen +=
                decode_real(&data->serviceParameters[iLen],
                &MyData[(int8_t) cBlockNumber].fMyReal);

            tag_len =
                decode_tag_number_and_value(&data->serviceParameters[iLen],
                &tag_number, &len_value_type);
            iLen += tag_len;
            if (tag_number != BACNET_APPLICATION_TAG_CHARACTER_STRING) {
                data->serviceParametersLen = 0;
                return;
            }
            decode_character_string(&data->serviceParameters[iLen],
                len_value_type, &bsTemp);
            /* Only copy as much as we can accept */
            strncpy((char *) MyData[(int8_t) cBlockNumber].sMyString,
                characterstring_value(&bsTemp), MY_MAX_STR);
            /* Make sure it is nul terminated */
            MyData[(int8_t) cBlockNumber].sMyString[MY_MAX_STR] = '\0';
            /* Signal success */
            iLen = encode_application_unsigned(&IOBufferPT[0], MY_ERR_OK);
        }
    } else {
        /* Signal bad index */
        iLen = encode_application_unsigned(&IOBufferPT[0], MY_ERR_BAD_INDEX);
    }
    data->serviceParametersLen = iLen;
    data->serviceParameters = IOBufferPT;
}
Beispiel #2
0
/* return apdu len, or -1 on error */
int Analog_Value_Encode_Property_APDU(
    uint8_t * apdu,
    uint32_t object_instance,
    BACNET_PROPERTY_ID property,
    uint32_t array_index,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING xdata bit_string;
    BACNET_CHARACTER_STRING xdata char_string;
    unsigned object_index;
    switch (property) {
        case PROP_OBJECT_IDENTIFIER:
            apdu_len =
                encode_application_object_id(&apdu[0], OBJECT_ANALOG_VALUE,
                object_instance);
            break;
        case PROP_OBJECT_NAME:

            characterstring_init_ansi(&char_string,
			//	vars[object_instance].label
                Analog_Value_Name(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_ANALOG_VALUE);
            break;
        case PROP_PRESENT_VALUE:
            object_index = Analog_Value_Instance_To_Index(object_instance);
            apdu_len = encode_application_real(&apdu[0],
				AV_Present_Value[object_index]);
            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:
            apdu_len = encode_application_boolean(&apdu[0], false);
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
            break;
        default:
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = -1;
            break;
    }
    /*  only array properties can have array options */
    if ((apdu_len >= 0) && (array_index != BACNET_ARRAY_ALL)) {
        *error_class = ERROR_CLASS_PROPERTY;
        *error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        apdu_len = -1;    
    }

    return apdu_len;
}
Beispiel #3
0
/* return apdu len, or -1 on error */
int Analog_Value_Encode_Property_APDU(
    uint8_t * apdu,
    uint32_t object_instance,
    BACNET_PROPERTY_ID property,
    int32_t array_index,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    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;

    Analog_Value_Init();
    switch (property) {
        case PROP_OBJECT_IDENTIFIER:
            apdu_len =
                encode_application_object_id(&apdu[0], OBJECT_ANALOG_VALUE,
                object_instance);
            break;
        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            characterstring_init_ansi(&char_string,
                Analog_Value_Name(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_ANALOG_VALUE);
            break;
        case PROP_PRESENT_VALUE:
            real_value = Analog_Value_Present_Value(object_instance);
            apdu_len = encode_application_real(&apdu[0], real_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);
            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:
#if 0
            object_index = Analog_Value_Instance_To_Index(object_instance);
            state = Analog_Value_Out_Of_Service[object_index];
#endif
            apdu_len = encode_application_boolean(&apdu[0], false);
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
            break;
#if 0
        case PROP_PRIORITY_ARRAY:
            /* Array element zero is the number of elements in the array */
            if (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 (array_index == BACNET_ARRAY_ALL) {
                object_index = Analog_Value_Instance_To_Index(object_instance);
                for (i = 0; i < BACNET_MAX_PRIORITY; i++) {
                    /* FIXME: check if we have room before adding it to APDU */
                    if (Present_Value[object_index][i] == ANALOG_LEVEL_NULL)
                        len = encode_application_null(&apdu[apdu_len]);
                    else {
                        real_value = Present_Value[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 {
                        *error_class = ERROR_CLASS_SERVICES;
                        *error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
                        apdu_len = -1;
                        break;
                    }
                }
            } else {
                object_index = Analog_Value_Instance_To_Index(object_instance);
                if (array_index <= BACNET_MAX_PRIORITY) {
                    if (Present_Value[object_index][array_index - 1] ==
                        ANALOG_LEVEL_NULL)
                        apdu_len = encode_application_null(&apdu[0]);
                    else {
                        real_value =
                            Present_Value[object_index][array_index - 1];
                        apdu_len =
                            encode_application_real(&apdu[0], real_value);
                    }
                } else {
                    *error_class = ERROR_CLASS_PROPERTY;
                    *error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
                    apdu_len = -1;
                }
            }

            break;
        case PROP_RELINQUISH_DEFAULT:
            real_value = ANALOG_RELINQUISH_DEFAULT;
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
#endif
        default:
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = -1;
            break;
    }

    return apdu_len;
}
Beispiel #4
0
/* assumption - object already exists */
int Analog_Input_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int apdu_len = 0;   /* return value */
    BACNET_CHARACTER_STRING char_string = { 0 };
    BACNET_BIT_STRING bit_string = { 0 };
    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], rpdata->object_type,
                rpdata->object_instance);
            break;
        case PROP_OBJECT_NAME:
            Analog_Input_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], rpdata->object_type);
            break;
        case PROP_PRESENT_VALUE:
            apdu_len =
                encode_application_real(&apdu[0],
                Analog_Input_Present_Value(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,
                Analog_Input_Out_Of_Service(rpdata->object_instance));
            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:
            apdu_len = encode_application_boolean(&apdu[0],
                Analog_Input_Out_Of_Service(rpdata->object_instance));
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0],
                Analog_Input_Units(rpdata->object_instance));
            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->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;
}
Beispiel #5
0
/* return apdu len, or BACNET_STATUS_ERROR on error */
int Analog_Value_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;
    ANALOG_VALUE_DESCR *CurrentAV;

    if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
        (rpdata->application_data_len == 0)) {
        return 0;
    }

    apdu = rpdata->application_data;

    object_index = Analog_Value_Instance_To_Index(rpdata->object_instance);
    if (object_index < MAX_ANALOG_VALUES)
        CurrentAV = &AV_Descr[object_index];
    else
        return BACNET_STATUS_ERROR;

    switch (rpdata->object_property) {
        case PROP_OBJECT_IDENTIFIER:
            apdu_len =
                encode_application_object_id(&apdu[0], OBJECT_ANALOG_VALUE,
                rpdata->object_instance);
            break;

        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            Analog_Value_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_ANALOG_VALUE);
            break;

        case PROP_PRESENT_VALUE:
            real_value = Analog_Value_Present_Value(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;

        case PROP_STATUS_FLAGS:
            bitstring_init(&bit_string);
#if defined(INTRINSIC_REPORTING)
            bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM,
                CurrentAV->Event_State ? true : false);
#else
            bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
#endif
            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,
                CurrentAV->Out_Of_Service);

            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
            break;

        case PROP_EVENT_STATE:
#if defined(INTRINSIC_REPORTING)
            apdu_len =
                encode_application_enumerated(&apdu[0],
                CurrentAV->Event_State);
#else
            apdu_len =
                encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
#endif
            break;

        case PROP_OUT_OF_SERVICE:
            state = CurrentAV->Out_Of_Service;
            apdu_len = encode_application_boolean(&apdu[0], state);
            break;

        case PROP_UNITS:
            apdu_len =
                encode_application_enumerated(&apdu[0], CurrentAV->Units);
            break;

#if defined(INTRINSIC_REPORTING)
        case PROP_TIME_DELAY:
            apdu_len =
                encode_application_unsigned(&apdu[0], CurrentAV->Time_Delay);
            break;

        case PROP_NOTIFICATION_CLASS:
            apdu_len =
                encode_application_unsigned(&apdu[0],
                CurrentAV->Notification_Class);
            break;

        case PROP_HIGH_LIMIT:
            apdu_len =
                encode_application_real(&apdu[0], CurrentAV->High_Limit);
            break;

        case PROP_LOW_LIMIT:
            apdu_len = encode_application_real(&apdu[0], CurrentAV->Low_Limit);
            break;

        case PROP_DEADBAND:
            apdu_len = encode_application_real(&apdu[0], CurrentAV->Deadband);
            break;

        case PROP_LIMIT_ENABLE:
            bitstring_init(&bit_string);
            bitstring_set_bit(&bit_string, 0,
                (CurrentAV->
                    Limit_Enable & EVENT_LOW_LIMIT_ENABLE) ? true : false);
            bitstring_set_bit(&bit_string, 1,
                (CurrentAV->
                    Limit_Enable & EVENT_HIGH_LIMIT_ENABLE) ? true : false);

            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
            break;

        case PROP_EVENT_ENABLE:
            bitstring_init(&bit_string);
            bitstring_set_bit(&bit_string, TRANSITION_TO_OFFNORMAL,
                (CurrentAV->
                    Event_Enable & EVENT_ENABLE_TO_OFFNORMAL) ? true : false);
            bitstring_set_bit(&bit_string, TRANSITION_TO_FAULT,
                (CurrentAV->
                    Event_Enable & EVENT_ENABLE_TO_FAULT) ? true : false);
            bitstring_set_bit(&bit_string, TRANSITION_TO_NORMAL,
                (CurrentAV->
                    Event_Enable & EVENT_ENABLE_TO_NORMAL) ? true : false);

            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
            break;

        case PROP_ACKED_TRANSITIONS:
            bitstring_init(&bit_string);
            bitstring_set_bit(&bit_string, TRANSITION_TO_OFFNORMAL,
                CurrentAV->Acked_Transitions[TRANSITION_TO_OFFNORMAL].
                bIsAcked);
            bitstring_set_bit(&bit_string, TRANSITION_TO_FAULT,
                CurrentAV->Acked_Transitions[TRANSITION_TO_FAULT].bIsAcked);
            bitstring_set_bit(&bit_string, TRANSITION_TO_NORMAL,
                CurrentAV->Acked_Transitions[TRANSITION_TO_NORMAL].bIsAcked);

            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
            break;

        case PROP_NOTIFY_TYPE:
            apdu_len =
                encode_application_enumerated(&apdu[0],
                CurrentAV->Notify_Type ? NOTIFY_EVENT : NOTIFY_ALARM);
            break;

        case PROP_EVENT_TIME_STAMPS:
            /* Array element zero is the number of elements in the array */
            if (rpdata->array_index == 0)
                apdu_len =
                    encode_application_unsigned(&apdu[0],
                    MAX_BACNET_EVENT_TRANSITION);
            /* 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 = 0; i < MAX_BACNET_EVENT_TRANSITION; i++) {;
                    len =
                        encode_opening_tag(&apdu[apdu_len],
                        TIME_STAMP_DATETIME);
                    len +=
                        encode_application_date(&apdu[apdu_len + len],
                        &CurrentAV->Event_Time_Stamps[i].date);
                    len +=
                        encode_application_time(&apdu[apdu_len + len],
                        &CurrentAV->Event_Time_Stamps[i].time);
                    len +=
                        encode_closing_tag(&apdu[apdu_len + len],
                        TIME_STAMP_DATETIME);

                    /* 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 <= MAX_BACNET_EVENT_TRANSITION) {
                apdu_len =
                    encode_opening_tag(&apdu[apdu_len], TIME_STAMP_DATETIME);
                apdu_len +=
                    encode_application_date(&apdu[apdu_len],
                    &CurrentAV->Event_Time_Stamps[rpdata->array_index].date);
                apdu_len +=
                    encode_application_time(&apdu[apdu_len],
                    &CurrentAV->Event_Time_Stamps[rpdata->array_index].time);
                apdu_len +=
                    encode_closing_tag(&apdu[apdu_len], TIME_STAMP_DATETIME);
            } else {
                rpdata->error_class = ERROR_CLASS_PROPERTY;
                rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
                apdu_len = BACNET_STATUS_ERROR;
            }
            break;
#endif

        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_EVENT_TIME_STAMPS) &&
        (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;
}
Beispiel #6
0
/* return apdu len, or -1 on error */
int Analog_Value_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    float real_value = (float) 1.414;
#if 0
    int len = 0;
    unsigned object_index = 0;
    unsigned i = 0;
    bool state = false;
#endif
    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_ANALOG_VALUE,
                rpdata->object_instance);
            break;
        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            Analog_Value_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_ANALOG_VALUE);
            break;
        case PROP_PRESENT_VALUE:
            real_value = Analog_Value_Present_Value(rpdata->object_instance);
            apdu_len = encode_application_real(&apdu[0], real_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);
            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:
#if 0
            object_index =
                Analog_Value_Instance_To_Index(rpdata->object_instance);
            state = Analog_Value_Out_Of_Service[object_index];
#endif
            apdu_len = encode_application_boolean(&apdu[0], false);
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
            break;
#if 0
        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 =
                    Analog_Value_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 (Present_Value[object_index][i] == ANALOG_LEVEL_NULL)
                        len = encode_application_null(&apdu[apdu_len]);
                    else {
                        real_value = Present_Value[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 = Analog_Value_Instance_To_Index(object_instance);
                if (rpdata->array_index <= BACNET_MAX_PRIORITY) {
                    if (Present_Value[object_index][rpdata->array_index - 1] ==
                        ANALOG_LEVEL_NULL)
                        apdu_len = encode_application_null(&apdu[0]);
                    else {
                        real_value =
                            Present_Value[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 = ANALOG_RELINQUISH_DEFAULT;
            apdu_len = encode_application_real(&apdu[0], real_value);
            break;
#endif
        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) &&
#if 0
        (rpdata->object_property != PROP_PRIORITY_ARRAY) &&
#endif
        (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;
}
Beispiel #7
0
/* assumption - object has already exists */
int Analog_Input_Encode_Property_APDU(
    uint8_t * apdu,
    uint32_t object_instance,
    BACNET_PROPERTY_ID property,
    uint32_t array_index,
    BACNET_ERROR_CLASS * error_class,
    BACNET_ERROR_CODE * error_code)
{
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    unsigned object_index;

    switch (property) {
        case PROP_OBJECT_IDENTIFIER:
            apdu_len =
                encode_application_object_id(&apdu[0], OBJECT_ANALOG_INPUT,
                object_instance);
            break;
            /* note: Name and Description don't have to be the same.
               You could make Description writable and different.
               Note that Object-Name must be unique in this device */
        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            characterstring_init_ansi(&char_string,
                Analog_Input_Name(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_ANALOG_INPUT);
            break;
        case PROP_PRESENT_VALUE:
            object_index = Analog_Input_Instance_To_Index(object_instance);
            apdu_len =
                encode_application_real(&apdu[0], Present_Value[object_index]);
            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:
            apdu_len = encode_application_boolean(&apdu[0], false);
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
            break;
        default:
            *error_class = ERROR_CLASS_PROPERTY;
            *error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = -1;
            break;
    }
    /*  only array properties can have array options */
    if ((apdu_len >= 0) && (array_index != BACNET_ARRAY_ALL)) {
        *error_class = ERROR_CLASS_PROPERTY;
        *error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        apdu_len = -1;
    }

    return apdu_len;
}
Beispiel #8
0
/* assumption - object has already exists */
int Analog_Input_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    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_ANALOG_INPUT,
                rpdata->object_instance);
            break;
            /* note: Name and Description don't have to be the same.
               You could make Description writable and different */
        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            characterstring_init_ansi(&char_string,
                Analog_Input_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_ANALOG_INPUT);
            break;
        case PROP_PRESENT_VALUE:
            apdu_len =
                encode_application_real(&apdu[0],
                Analog_Input_Present_Value(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:
            apdu_len = encode_application_boolean(&apdu[0], false);
            break;
        case PROP_UNITS:
            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
            break;
        default:
            rpdata->error_class = ERROR_CLASS_PROPERTY;
            rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = -1;
            break;
    }
    /*  only array properties can have array options */
    if ((apdu_len >= 0) && (rpdata->array_index != BACNET_ARRAY_ALL)) {
        rpdata->error_class = ERROR_CLASS_PROPERTY;
        rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
        apdu_len = -1;
    }

    return apdu_len;
}
Beispiel #9
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;
}