/* 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;
}
/**
* 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;
}