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;
}
/* 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;
}
/* 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;
}
/* 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;
}
/* 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;
}
/* 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;
}
/* 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;
}
/* 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;
}
/**
* 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;
}
