AllJoyn/Samples/BACnetAdapter/bacnet-stack-0.8.2/ports/at91sam7s/bv.c
int Binary_Value_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int apdu_len = 0;   /* return value */
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    BACNET_BINARY_PV present_value = BINARY_INACTIVE;
    BACNET_POLARITY polarity = POLARITY_NORMAL;

    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_BINARY_VALUE,
                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:
            Binary_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_BINARY_VALUE);
            break;
        case PROP_PRESENT_VALUE:
            present_value =
                Binary_Value_Present_Value(rpdata->object_instance);
            apdu_len = encode_application_enumerated(&apdu[0], present_value);
            break;
        case PROP_STATUS_FLAGS:
            /* note: see the details in the standard on how to use these */
            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:
            /* note: see the details in the standard on how to use this */
            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_POLARITY:
            /* FIXME: figure out the polarity */
            apdu_len = encode_application_enumerated(&apdu[0], polarity);
            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;
}
/* return apdu len, or -1 on error */
return apdu len, or -1 on error
return apdu len or - 1 on error
int Binary_Value_Read_Property(
    BACNET_READ_PROPERTY_DATA * rpdata)
{
    int apdu_len = 0;   
    BACNET_BIT_STRING bit_string;
    BACNET_CHARACTER_STRING char_string;
    BACNET_BINARY_PV present_value = BINARY_INACTIVE;
    BACNET_POLARITY polarity = POLARITY_NORMAL;
    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_BINARY_VALUE,
                rpdata->object_instance);
            break;
        case PROP_OBJECT_NAME:
        case PROP_DESCRIPTION:
            Binary_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_BINARY_VALUE);
            break;
        case PROP_PRESENT_VALUE:
            present_value =
                Binary_Value_Present_Value(rpdata->object_instance);
            apdu_len = encode_application_enumerated(&apdu[0], present_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:
            apdu_len = encode_application_boolean(&apdu[0], false);
            break;
        case PROP_POLARITY:
            apdu_len = encode_application_enumerated(&apdu[0], polarity);
            break;
        default:
            rpdata->error_class = ERROR_CLASS_PROPERTY;
            rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
            apdu_len = BACNET_STATUS_ERROR;
            break;
    }
    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;
}
int Binary_Value_Read_Property ( BACNET_READ_PROPERTY_DATA * rpdata ) { int apdu_len = 0 ; BACNET_BIT_STRING bit_string ; BACNET_CHARACTER_STRING char_string ; BACNET_BINARY_PV present_value = BINARY_INACTIVE ; BACNET_POLARITY polarity = POLARITY_NORMAL ; 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_BINARY_VALUE , rpdata -> object_instance ) ; break ; case PROP_OBJECT_NAME : case PROP_DESCRIPTION : Binary_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_BINARY_VALUE ) ; break ; case PROP_PRESENT_VALUE : present_value = Binary_Value_Present_Value ( rpdata -> object_instance ) ; apdu_len = encode_application_enumerated ( & apdu [ 0 ] , present_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 : apdu_len = encode_application_boolean ( & apdu [ 0 ] , false ) ; break ; case PROP_POLARITY : apdu_len = encode_application_enumerated ( & apdu [ 0 ] , polarity ) ; break ; default : rpdata -> error_class = ERROR_CLASS_PROPERTY ; rpdata -> error_code = ERROR_CODE_UNKNOWN_PROPERTY ; apdu_len = BACNET_STATUS_ERROR ; break ; } 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 ; }
return apdu len, or -1 on error
return apdu len or - 1 on error
/* return value */ /* note: Name and Description don't have to be the same.
               You could make Description writable and different */ /* note: see the details in the standard on how to use these */ /* note: see the details in the standard on how to use this */ /* FIXME: figure out the polarity */ /*  only array properties can have array options */