/* encode service */
int arf_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_ATOMIC_READ_FILE_DATA * data)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_ATOMIC_READ_FILE; /* service choice */
apdu_len = 4;
apdu_len +=
encode_application_object_id(&apdu[apdu_len], data->object_type,
data->object_instance);
switch (data->access) {
case FILE_STREAM_ACCESS:
apdu_len += encode_opening_tag(&apdu[apdu_len], 0);
apdu_len +=
encode_application_signed(&apdu[apdu_len],
data->type.stream.fileStartPosition);
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
data->type.stream.requestedOctetCount);
apdu_len += encode_closing_tag(&apdu[apdu_len], 0);
break;
case FILE_RECORD_ACCESS:
apdu_len += encode_opening_tag(&apdu[apdu_len], 1);
apdu_len +=
encode_application_signed(&apdu[apdu_len],
data->type.record.fileStartRecord);
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
data->type.record.RecordCount);
apdu_len += encode_closing_tag(&apdu[apdu_len], 1);
break;
default:
break;
}
}
return apdu_len;
}
/* encode service */
int arf_ack_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_ATOMIC_READ_FILE_DATA * data)
{
int apdu_len = 0; /* total length of the apdu, return value */
uint32_t i = 0;
if (apdu) {
apdu[0] = PDU_TYPE_COMPLEX_ACK;
apdu[1] = invoke_id;
apdu[2] = SERVICE_CONFIRMED_ATOMIC_READ_FILE; /* service choice */
apdu_len = 3;
/* endOfFile */
apdu_len +=
encode_application_boolean(&apdu[apdu_len], data->endOfFile);
switch (data->access) {
case FILE_STREAM_ACCESS:
apdu_len += encode_opening_tag(&apdu[apdu_len], 0);
apdu_len +=
encode_application_signed(&apdu[apdu_len],
data->type.stream.fileStartPosition);
apdu_len +=
encode_application_octet_string(&apdu[apdu_len],
&data->fileData[0]);
apdu_len += encode_closing_tag(&apdu[apdu_len], 0);
break;
case FILE_RECORD_ACCESS:
apdu_len += encode_opening_tag(&apdu[apdu_len], 1);
apdu_len +=
encode_application_signed(&apdu[apdu_len],
data->type.record.fileStartRecord);
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
data->type.record.RecordCount);
for (i = 0; i < data->type.record.RecordCount; i++) {
apdu_len +=
encode_application_octet_string(&apdu[apdu_len],
&data->fileData[i]);
}
apdu_len += encode_closing_tag(&apdu[apdu_len], 1);
break;
default:
break;
}
}
return apdu_len;
}
int address_list_encode(
uint8_t * apdu,
unsigned apdu_len)
{
int iLen = 0;
struct Address_Cache_Entry *pMatch;
BACNET_OCTET_STRING MAC_Address;
/* FIXME: I really shouild check the length remaining here but it is
fairly pointless until we have the true length remaining in
the packet to work with as at the moment it is just MAX_APDU */
apdu_len = apdu_len;
/* look for matching address */
pMatch = Address_Cache;
while (pMatch <= &Address_Cache[MAX_ADDRESS_CACHE - 1]) {
if ((pMatch->Flags & (BAC_ADDR_IN_USE | BAC_ADDR_BIND_REQ)) ==
BAC_ADDR_IN_USE) {
iLen +=
encode_application_object_id(&apdu[iLen], OBJECT_DEVICE,
pMatch->device_id);
iLen +=
encode_application_unsigned(&apdu[iLen], pMatch->address.net);
/* pick the appropriate type of entry from the cache */
if (pMatch->address.len != 0) {
octetstring_init(&MAC_Address, pMatch->address.adr,
pMatch->address.len);
iLen +=
encode_application_octet_string(&apdu[iLen], &MAC_Address);
} else {
octetstring_init(&MAC_Address, pMatch->address.mac,
pMatch->address.mac_len);
iLen +=
encode_application_octet_string(&apdu[iLen], &MAC_Address);
}
}
pMatch++;
}
return (iLen);
}
/** Manages ReadProperty service for fields which are different for routed
* Devices, or hands off to the default Device RP function for the rest.
* @param rpdata [in] Structure which describes the property to be read.
* @return The length of the apdu encoded, or BACNET_STATUS_ERROR for error or
* BACNET_STATUS_ABORT for abort message.
*/
int Routed_Device_Read_Property_Local(
BACNET_READ_PROPERTY_DATA * rpdata)
{
int apdu_len = 0; /* return value */
BACNET_CHARACTER_STRING char_string;
uint8_t *apdu = NULL;
DEVICE_OBJECT_DATA *pDev = &Devices[iCurrent_Device_Idx];
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_DEVICE,
pDev->bacObj.Object_Instance_Number);
break;
case PROP_OBJECT_NAME:
characterstring_init_ansi(&char_string, pDev->bacObj.Object_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_DESCRIPTION:
characterstring_init_ansi(&char_string, pDev->Description);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_DATABASE_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0], pDev->Database_Revision);
break;
default:
apdu_len = Device_Read_Property_Local(rpdata);
break;
}
return (apdu_len);
}
/* return the length of the apdu encoded or -1 for error */
int Device_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 */
int len = 0; /* apdu len intermediate value */
BACNET_BIT_STRING bit_string;
BACNET_CHARACTER_STRING char_string;
unsigned i = 0;
int object_type = 0;
uint32_t instance = 0;
unsigned count = 0;
object_instance = object_instance;
/* FIXME: change the hardcoded names to suit your application */
switch (property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0], OBJECT_DEVICE,
Object_Instance_Number);
break;
case PROP_OBJECT_NAME:
characterstring_init_ansi(&char_string, Object_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_OBJECT_TYPE:
apdu_len = encode_application_enumerated(&apdu[0], OBJECT_DEVICE);
break;
case PROP_SYSTEM_STATUS:
apdu_len = encode_application_enumerated(&apdu[0], System_Status);
break;
case PROP_VENDOR_NAME:
characterstring_init_ansi(&char_string, BACNET_VENDOR_NAME);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_VENDOR_IDENTIFIER:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Vendor_Identifier());
break;
case PROP_MODEL_NAME:
characterstring_init_ansi(&char_string, "GNU Demo");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FIRMWARE_REVISION:
characterstring_init_ansi(&char_string, BACNET_VERSION_TEXT);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_APPLICATION_SOFTWARE_VERSION:
characterstring_init_ansi(&char_string, "1.0");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_PROTOCOL_VERSION:
apdu_len =
encode_application_unsigned(&apdu[0], BACNET_PROTOCOL_VERSION);
break;
case PROP_PROTOCOL_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
BACNET_PROTOCOL_REVISION);
break;
case PROP_PROTOCOL_SERVICES_SUPPORTED:
/* Note: list of services that are executed, not initiated. */
bitstring_init(&bit_string);
for (i = 0; i < MAX_BACNET_SERVICES_SUPPORTED; i++) {
/* automatic lookup based on handlers set */
bitstring_set_bit(&bit_string, (uint8_t) i,
apdu_service_supported((BACNET_SERVICES_SUPPORTED) i));
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
/* Note: this is the list of objects that can be in this device,
not a list of objects that this device can access */
bitstring_init(&bit_string);
/* must have the bit string as big as it can be */
for (i = 0; i < MAX_ASHRAE_OBJECT_TYPE; i++) {
/* initialize all the object types to not-supported */
bitstring_set_bit(&bit_string, (uint8_t) i, false);
}
/* FIXME: indicate the objects that YOU support */
bitstring_set_bit(&bit_string, OBJECT_DEVICE, true);
#if MAX_ANALOG_VALUES
bitstring_set_bit(&bit_string, OBJECT_ANALOG_VALUE, true);
#endif
#if MAX_BINARY_VALUES
bitstring_set_bit(&bit_string, OBJECT_BINARY_VALUE, true);
#endif
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_OBJECT_LIST:
count = Device_Object_List_Count();
/* Array element zero is the number of objects in the list */
if (array_index == 0)
apdu_len = encode_application_unsigned(&apdu[0], count);
/* if no index was specified, then try to encode the entire list */
/* into one packet. Note that more than likely you will have */
/* to return an error if the number of encoded objects exceeds */
/* your maximum APDU size. */
else if (array_index == BACNET_ARRAY_ALL) {
for (i = 1; i <= count; i++) {
Device_Object_List_Identifier(i, &object_type, &instance);
len =
encode_application_object_id(&apdu[apdu_len],
object_type, instance);
apdu_len += len;
/* assume next one is the same size as this one */
/* can we all fit into the APDU? */
if ((apdu_len + len) >= MAX_APDU) {
*error_code =
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
apdu_len = BACNET_STATUS_ABORT;
break;
}
}
} else {
if (Device_Object_List_Identifier(array_index, &object_type,
&instance))
apdu_len =
encode_application_object_id(&apdu[0], object_type,
instance);
else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = BACNET_STATUS_ERROR;
}
}
break;
case PROP_MAX_APDU_LENGTH_ACCEPTED:
apdu_len = encode_application_unsigned(&apdu[0], MAX_APDU);
break;
case PROP_SEGMENTATION_SUPPORTED:
apdu_len =
encode_application_enumerated(&apdu[0], SEGMENTATION_NONE);
break;
case PROP_APDU_TIMEOUT:
apdu_len = encode_application_unsigned(&apdu[0], 60000);
break;
case PROP_NUMBER_OF_APDU_RETRIES:
apdu_len = encode_application_unsigned(&apdu[0], 0);
break;
case PROP_DEVICE_ADDRESS_BINDING:
/* FIXME: encode the list here, if it exists */
break;
case PROP_DATABASE_REVISION:
apdu_len = encode_application_unsigned(&apdu[0], 0);
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) && (property != PROP_OBJECT_LIST) &&
(array_index != BACNET_ARRAY_ALL)) {
*error_class = ERROR_CLASS_PROPERTY;
*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_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;
}
int Schedule_Read_Property(BACNET_READ_PROPERTY_DATA * rpdata)
{
int apdu_len = 0;
unsigned object_index = 0;
SCHEDULE_DESCR *CurrentSC;
uint8_t *apdu = NULL;
BACNET_BIT_STRING bit_string;
BACNET_CHARACTER_STRING char_string;
int i;
if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
(rpdata->application_data_len == 0)) {
return 0;
}
object_index = Schedule_Instance_To_Index(rpdata->object_instance);
if (object_index < MAX_SCHEDULES)
CurrentSC = &Schedule_Descr[object_index];
else
return BACNET_STATUS_ERROR;
apdu = rpdata->application_data;
switch ((int) rpdata->object_property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0], OBJECT_SCHEDULE,
rpdata->object_instance);
break;
case PROP_OBJECT_NAME:
Schedule_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_SCHEDULE);
break;
case PROP_PRESENT_VALUE:
apdu_len = bacapp_encode_data(&apdu[0], CurrentSC->Present_Value);
break;
case PROP_EFFECTIVE_PERIOD:
apdu_len = encode_bacnet_date(&apdu[0], &CurrentSC->Start_Date);
apdu_len +=
encode_bacnet_date(&apdu[apdu_len], &CurrentSC->End_Date);
break;
case PROP_WEEKLY_SCHEDULE:
if (rpdata->array_index == 0) /* count, always 7 */
apdu_len = encode_application_unsigned(&apdu[0], 7);
else if (rpdata->array_index == BACNET_ARRAY_ALL) { /* full array */
int day;
for (day = 0; day < 7; day++) {
apdu_len += encode_opening_tag(&apdu[apdu_len], 0);
for (i = 0; i < CurrentSC->Weekly_Schedule[day].TV_Count;
i++) {
apdu_len +=
bacapp_encode_time_value(&apdu[apdu_len],
&CurrentSC->Weekly_Schedule[day].Time_Values[i]);
}
apdu_len += encode_closing_tag(&apdu[apdu_len], 0);
}
} else if (rpdata->array_index <= 7) { /* some array element */
int day = rpdata->array_index - 1;
apdu_len += encode_opening_tag(&apdu[apdu_len], 0);
for (i = 0; i < CurrentSC->Weekly_Schedule[day].TV_Count; i++) {
apdu_len +=
bacapp_encode_time_value(&apdu[apdu_len],
&CurrentSC->Weekly_Schedule[day].Time_Values[i]);
}
apdu_len += encode_closing_tag(&apdu[apdu_len], 0);
} else { /* out of bounds */
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = BACNET_STATUS_ERROR;
}
break;
case PROP_SCHEDULE_DEFAULT:
apdu_len =
bacapp_encode_data(&apdu[0], &CurrentSC->Schedule_Default);
break;
case PROP_LIST_OF_OBJECT_PROPERTY_REFERENCES:
for (i = 0; i < CurrentSC->obj_prop_ref_cnt; i++) {
apdu_len +=
bacapp_encode_device_obj_property_ref(&apdu[apdu_len],
&CurrentSC->Object_Property_References[i]);
}
break;
case PROP_PRIORITY_FOR_WRITING:
apdu_len =
encode_application_unsigned(&apdu[0],
CurrentSC->Priority_For_Writing);
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_RELIABILITY:
apdu_len =
encode_application_enumerated(&apdu[0],
RELIABILITY_NO_FAULT_DETECTED);
break;
case PROP_OUT_OF_SERVICE:
apdu_len = encode_application_boolean(&apdu[0], false);
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->object_property != PROP_WEEKLY_SCHEDULE)
&& (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 Notification_Class_Read_Property(
BACNET_READ_PROPERTY_DATA * rpdata)
{
NOTIFICATION_CLASS_INFO *CurrentNotify;
BACNET_CHARACTER_STRING char_string;
BACNET_OCTET_STRING octet_string;
BACNET_BIT_STRING bit_string;
uint8_t *apdu = NULL;
uint8_t u8Val;
int idx;
int apdu_len = 0; /* return value */
if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
(rpdata->application_data_len == 0)) {
return 0;
}
apdu = rpdata->application_data;
CurrentNotify =
&NC_Info[Notification_Class_Instance_To_Index(rpdata->
object_instance)];
switch (rpdata->object_property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0],
OBJECT_NOTIFICATION_CLASS, rpdata->object_instance);
break;
case PROP_OBJECT_NAME:
case PROP_DESCRIPTION:
Notification_Class_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_NOTIFICATION_CLASS);
break;
case PROP_NOTIFICATION_CLASS:
apdu_len +=
encode_application_unsigned(&apdu[0], rpdata->object_instance);
break;
case PROP_PRIORITY:
if (rpdata->array_index == 0)
apdu_len += encode_application_unsigned(&apdu[0], 3);
else {
if (rpdata->array_index == BACNET_ARRAY_ALL) {
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
CurrentNotify->Priority[TRANSITION_TO_OFFNORMAL]);
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
CurrentNotify->Priority[TRANSITION_TO_FAULT]);
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
CurrentNotify->Priority[TRANSITION_TO_NORMAL]);
} else if (rpdata->array_index <= MAX_BACNET_EVENT_TRANSITION) {
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
CurrentNotify->Priority[rpdata->array_index - 1]);
} else {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = -1;
}
}
break;
case PROP_ACK_REQUIRED:
u8Val = CurrentNotify->Ack_Required;
bitstring_init(&bit_string);
bitstring_set_bit(&bit_string, TRANSITION_TO_OFFNORMAL,
(u8Val & TRANSITION_TO_OFFNORMAL_MASKED) ? true : false);
bitstring_set_bit(&bit_string, TRANSITION_TO_FAULT,
(u8Val & TRANSITION_TO_FAULT_MASKED) ? true : false);
bitstring_set_bit(&bit_string, TRANSITION_TO_NORMAL,
(u8Val & TRANSITION_TO_NORMAL_MASKED) ? true : false);
/* encode bitstring */
apdu_len +=
encode_application_bitstring(&apdu[apdu_len], &bit_string);
break;
case PROP_RECIPIENT_LIST:
/* encode all entry of Recipient_List */
for (idx = 0; idx < NC_MAX_RECIPIENTS; idx++) {
BACNET_DESTINATION *RecipientEntry;
int i = 0;
/* get pointer of current element for Recipient_List - easier for use */
RecipientEntry = &CurrentNotify->Recipient_List[idx];
if (RecipientEntry->Recipient.RecipientType !=
RECIPIENT_TYPE_NOTINITIALIZED) {
/* Valid Days - BACnetDaysOfWeek - [bitstring] monday-sunday */
u8Val = 0x01;
bitstring_init(&bit_string);
for (i = 0; i < MAX_BACNET_DAYS_OF_WEEK; i++) {
if (RecipientEntry->ValidDays & u8Val)
bitstring_set_bit(&bit_string, i, true);
else
bitstring_set_bit(&bit_string, i, false);
u8Val <<= 1; /* next day */
}
apdu_len +=
encode_application_bitstring(&apdu[apdu_len],
&bit_string);
/* From Time */
apdu_len +=
encode_application_time(&apdu[apdu_len],
&RecipientEntry->FromTime);
/* To Time */
apdu_len +=
encode_application_time(&apdu[apdu_len],
&RecipientEntry->ToTime);
/*
BACnetRecipient ::= CHOICE {
device [0] BACnetObjectIdentifier,
address [1] BACnetAddress
} */
/* CHOICE - device [0] BACnetObjectIdentifier */
if (RecipientEntry->Recipient.RecipientType ==
RECIPIENT_TYPE_DEVICE) {
apdu_len +=
encode_context_object_id(&apdu[apdu_len], 0,
OBJECT_DEVICE,
RecipientEntry->Recipient._.DeviceIdentifier);
}
/* CHOICE - address [1] BACnetAddress */
else if (RecipientEntry->Recipient.RecipientType ==
RECIPIENT_TYPE_ADDRESS) {
/* opening tag 1 */
apdu_len += encode_opening_tag(&apdu[apdu_len], 1);
/* network-number Unsigned16, */
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
RecipientEntry->Recipient._.Address.net);
/* mac-address OCTET STRING */
if (RecipientEntry->Recipient._.Address.net) {
octetstring_init(&octet_string,
RecipientEntry->Recipient._.Address.adr,
RecipientEntry->Recipient._.Address.len);
} else {
octetstring_init(&octet_string,
RecipientEntry->Recipient._.Address.mac,
RecipientEntry->Recipient._.Address.mac_len);
}
apdu_len +=
encode_application_octet_string(&apdu[apdu_len],
&octet_string);
/* closing tag 1 */
apdu_len += encode_closing_tag(&apdu[apdu_len], 1);
} else {;
} /* shouldn't happen */
/* Process Identifier - Unsigned32 */
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
RecipientEntry->ProcessIdentifier);
/* Issue Confirmed Notifications - boolean */
apdu_len +=
encode_application_boolean(&apdu[apdu_len],
RecipientEntry->ConfirmedNotify);
/* Transitions - BACnet Event Transition Bits [bitstring] */
u8Val = RecipientEntry->Transitions;
bitstring_init(&bit_string);
bitstring_set_bit(&bit_string, TRANSITION_TO_OFFNORMAL,
(u8Val & TRANSITION_TO_OFFNORMAL_MASKED) ? true :
false);
bitstring_set_bit(&bit_string, TRANSITION_TO_FAULT,
(u8Val & TRANSITION_TO_FAULT_MASKED) ? true : false);
bitstring_set_bit(&bit_string, TRANSITION_TO_NORMAL,
(u8Val & TRANSITION_TO_NORMAL_MASKED) ? true : false);
apdu_len +=
encode_application_bitstring(&apdu[apdu_len],
&bit_string);
}
}
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->object_property != PROP_PRIORITY) &&
(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 Binary_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;
BACNET_BINARY_PV present_value = BINARY_INACTIVE;
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_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);
state = Binary_Value_Out_Of_Service[object_index];
bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE, state);
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:
object_index =
Binary_Value_Instance_To_Index(rpdata->object_instance);
state = Binary_Value_Out_Of_Service[object_index];
apdu_len = encode_application_boolean(&apdu[0], state);
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 =
Binary_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 (Binary_Value_Level[object_index][i] == BINARY_NULL)
len = encode_application_null(&apdu[apdu_len]);
else {
present_value = Binary_Value_Level[object_index][i];
len =
encode_application_enumerated(&apdu[apdu_len],
present_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 =
Binary_Value_Instance_To_Index(rpdata->object_instance);
if (rpdata->array_index <= BACNET_MAX_PRIORITY) {
if (Binary_Value_Level[object_index][rpdata->array_index]
== BINARY_NULL)
apdu_len = encode_application_null(&apdu[apdu_len]);
else {
present_value = Binary_Value_Level[object_index]
[rpdata->array_index];
apdu_len =
encode_application_enumerated(&apdu[apdu_len],
present_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:
present_value = RELINQUISH_DEFAULT;
apdu_len = encode_application_enumerated(&apdu[0], present_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;
}
/* return apdu len, or -1 on error */
int Binary_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_BINARY_PV present_value = BINARY_INACTIVE;
unsigned object_index = 0;
unsigned i = 0;
bool state = false;
uint8_t *apdu = NULL;
if ((rpdata->application_data == NULL) ||
(rpdata->application_data_len == 0)) {
return 0;
}
apdu = rpdata->application_data;
switch (rpdata->object_property) {
/* object id, object name, object type are handled in Device object */
case PROP_PRESENT_VALUE:
present_value =
Binary_Output_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:
object_index =
Binary_Output_Instance_To_Index(rpdata->object_instance);
state = Out_Of_Service[object_index];
apdu_len = encode_application_boolean(&apdu[0], state);
break;
case PROP_POLARITY:
object_index =
Binary_Output_Instance_To_Index(rpdata->object_instance);
apdu_len =
encode_application_enumerated(&apdu[0],
Polarity[object_index]);
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 =
Binary_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 */
present_value = (BACNET_BINARY_PV)
Binary_Output_Level[object_index][i];
if (present_value == BINARY_NULL) {
len = encode_application_null(&apdu[apdu_len]);
} else {
len =
encode_application_enumerated(&apdu[apdu_len],
present_value);
}
/* add it if we have room */
if ((apdu_len + len) < MAX_APDU)
apdu_len += len;
else {
rpdata->error_code =
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
apdu_len = BACNET_STATUS_ABORT;
break;
}
}
} else {
object_index =
Binary_Output_Instance_To_Index(rpdata->object_instance);
if (rpdata->array_index <= BACNET_MAX_PRIORITY) {
present_value = (BACNET_BINARY_PV)
Binary_Output_Level[object_index][rpdata->array_index -
1];
if (present_value == BINARY_NULL) {
apdu_len = encode_application_null(&apdu[apdu_len]);
} else {
apdu_len =
encode_application_enumerated(&apdu[apdu_len],
present_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:
present_value = RELINQUISH_DEFAULT;
apdu_len = encode_application_enumerated(&apdu[0], present_value);
break;
case PROP_ACTIVE_TEXT:
characterstring_init_ansi(&char_string, "on");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_INACTIVE_TEXT:
characterstring_init_ansi(&char_string, "off");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
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;
}
/* 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;
}
/* return the length of the apdu encoded or -1 for error */
int Device_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 apdu_len = 0; /* return value */
int len = 0; /* apdu len intermediate value */
BACNET_BIT_STRING bit_string;
BACNET_CHARACTER_STRING char_string;
unsigned i = 0;
int object_type = 0;
uint32_t instance = 0;
unsigned count = 0;
BACNET_TIME local_time;
BACNET_DATE local_date;
uint8_t year = 0;
char string_buffer[24];
int16_t TimeZone = 0;
object_instance = object_instance;
/* FIXME: change the hardcoded names to suit your application */
switch (property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0], OBJECT_DEVICE,
Object_Instance_Number);
break;
case PROP_OBJECT_NAME:
(void) strcpypgm2ram(&string_buffer[0], "PIC18F6720 Device");
characterstring_init_ansi(&char_string, string_buffer);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_OBJECT_TYPE:
apdu_len = encode_application_enumerated(&apdu[0], OBJECT_DEVICE);
break;
case PROP_DESCRIPTION:
(void) strcpypgm2ram(&string_buffer[0], "BACnet Demo");
characterstring_init_ansi(&char_string, string_buffer);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_SYSTEM_STATUS:
apdu_len =
encode_application_enumerated(&apdu[0],
Device_System_Status());
break;
case PROP_VENDOR_NAME:
(void) strcpypgm2ram(&string_buffer[0], BACNET_VENDOR_NAME);
characterstring_init_ansi(&char_string, string_buffer);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_VENDOR_IDENTIFIER:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Vendor_Identifier());
break;
case PROP_MODEL_NAME:
(void) strcpypgm2ram(&string_buffer[0], "GNU Demo");
characterstring_init_ansi(&char_string, string_buffer);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FIRMWARE_REVISION:
characterstring_init_ansi(&char_string, BACnet_Version);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_APPLICATION_SOFTWARE_VERSION:
(void) strcpypgm2ram(&string_buffer[0], "1.0");
characterstring_init_ansi(&char_string, string_buffer);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_LOCATION:
(void) strcpypgm2ram(&string_buffer[0], "USA");
characterstring_init_ansi(&char_string, string_buffer);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_PROTOCOL_VERSION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Protocol_Version());
break;
case PROP_PROTOCOL_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Protocol_Revision());
break;
/* BACnet Legacy Support */
case PROP_PROTOCOL_CONFORMANCE_CLASS:
apdu_len = encode_application_unsigned(&apdu[0], 1);
break;
case PROP_PROTOCOL_SERVICES_SUPPORTED:
/* Note: list of services that are executed, not initiated. */
bitstring_init(&bit_string);
for (i = 0; i < MAX_BACNET_SERVICES_SUPPORTED; i++) {
/* automatic lookup based on handlers set */
bitstring_set_bit(&bit_string, (uint8_t) i,
apdu_service_supported(i));
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
/* Note: this is the list of objects that can be in this device,
not a list of objects that this device can access */
bitstring_init(&bit_string);
for (i = 0; i < MAX_ASHRAE_OBJECT_TYPE; i++) {
/* initialize all the object types to not-supported */
bitstring_set_bit(&bit_string, (uint8_t) i, false);
}
/* FIXME: indicate the objects that YOU support */
bitstring_set_bit(&bit_string, OBJECT_DEVICE, true);
bitstring_set_bit(&bit_string, OBJECT_ANALOG_VALUE, true);
bitstring_set_bit(&bit_string, OBJECT_BINARY_VALUE, true);
bitstring_set_bit(&bit_string, OBJECT_ANALOG_INPUT, true);
bitstring_set_bit(&bit_string, OBJECT_BINARY_INPUT, true);
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_OBJECT_LIST:
count = Device_Object_List_Count();
/* Array element zero is the number of objects in the list */
if (array_index == 0)
apdu_len = encode_application_unsigned(&apdu[0], count);
/* if no index was specified, then try to encode the entire list */
/* into one packet. Note that more than likely you will have */
/* to return an error if the number of encoded objects exceeds */
/* your maximum APDU size. */
else if (array_index == BACNET_ARRAY_ALL) {
for (i = 1; i <= count; i++) {
if (Device_Object_List_Identifier(i, &object_type,
&instance)) {
len =
encode_application_object_id(&apdu[apdu_len],
object_type, instance);
apdu_len += len;
/* assume next one is the same size as this one */
/* can we all fit into the APDU? */
if ((apdu_len + len) >= MAX_APDU) {
*error_class = ERROR_CLASS_SERVICES;
*error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
apdu_len = -1;
break;
}
} else {
/* error: internal error? */
*error_class = ERROR_CLASS_SERVICES;
*error_code = ERROR_CODE_OTHER;
apdu_len = -1;
break;
}
}
} else {
if (Device_Object_List_Identifier(array_index, &object_type,
&instance))
apdu_len =
encode_application_object_id(&apdu[0], object_type,
instance);
else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = -1;
}
}
break;
case PROP_MAX_APDU_LENGTH_ACCEPTED:
apdu_len = encode_application_unsigned(&apdu[0], MAX_APDU);
break;
case PROP_SEGMENTATION_SUPPORTED:
apdu_len =
encode_application_enumerated(&apdu[0],
Device_Segmentation_Supported());
break;
case PROP_APDU_TIMEOUT:
apdu_len = encode_application_unsigned(&apdu[0], apdu_timeout());
break;
case PROP_NUMBER_OF_APDU_RETRIES:
apdu_len = encode_application_unsigned(&apdu[0], apdu_retries());
break;
case PROP_DEVICE_ADDRESS_BINDING:
/* FIXME: encode the list here, if it exists */
break;
case PROP_DATABASE_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Database_Revision());
break;
case PROP_MAX_INFO_FRAMES:
apdu_len =
encode_application_unsigned(&apdu[0],
dlmstp_max_info_frames());
break;
case PROP_MAX_MASTER:
apdu_len =
encode_application_unsigned(&apdu[0], dlmstp_max_master());
break;
case PROP_LOCAL_TIME:
/* FIXME: if you support time */
local_time.hour = 0;
local_time.min = 0;
local_time.sec = 0;
local_time.hundredths = 0;
apdu_len = encode_application_time(&apdu[0], &local_time);
break;
case PROP_UTC_OFFSET:
/* Note: BACnet Time Zone is offset of local time and UTC,
rather than offset of GMT. It is expressed in minutes */
apdu_len = encode_application_signed(&apdu[0], 5 * 60 /* EST */ );
break;
case PROP_LOCAL_DATE:
/* FIXME: if you support date */
local_date.year = 2006; /* AD */
local_date.month = 4; /* Jan=1..Dec=12 */
local_date.day = 11; /* 1..31 */
local_date.wday = 0; /* 1=Mon..7=Sun */
apdu_len = encode_application_date(&apdu[0], &local_date);
break;
case PROP_DAYLIGHT_SAVINGS_STATUS:
/* FIXME: if you support time/date */
apdu_len = encode_application_boolean(&apdu[0], false);
break;
case 9600:
apdu_len =
encode_application_unsigned(&apdu[0], RS485_Get_Baud_Rate());
break;
default:
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_UNKNOWN_PROPERTY;
apdu_len = -1;
break;
}
return apdu_len;
}
/* return apdu len, or BACNET_STATUS_ERROR on error */
int Credential_Data_Input_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;
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;
object_index =
Credential_Data_Input_Instance_To_Index(rpdata->object_instance);
switch (rpdata->object_property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0],
OBJECT_CREDENTIAL_DATA_INPUT, rpdata->object_instance);
break;
case PROP_OBJECT_NAME:
Credential_Data_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],
OBJECT_CREDENTIAL_DATA_INPUT);
break;
case PROP_PRESENT_VALUE:
apdu_len =
bacapp_encode_authentication_factor(&apdu[apdu_len],
&cdi_descr[object_index].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);
state =
Credential_Data_Input_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_RELIABILITY:
apdu_len =
encode_application_enumerated(&apdu[0],
cdi_descr[object_index].reliability);
break;
case PROP_OUT_OF_SERVICE:
state =
Credential_Data_Input_Out_Of_Service(rpdata->object_instance);
apdu_len = encode_application_boolean(&apdu[0], state);
break;
case PROP_SUPPORTED_FORMATS:
if (rpdata->array_index == 0) {
apdu_len =
encode_application_unsigned(&apdu[0],
cdi_descr[object_index].supported_formats_count);
} else if (rpdata->array_index == BACNET_ARRAY_ALL) {
for (i = 0; i < cdi_descr[object_index].supported_formats_count;
i++) {
len =
bacapp_encode_authentication_factor_format(&apdu[0],
&cdi_descr[object_index].supported_formats[i]);
if (apdu_len + len < MAX_APDU)
apdu_len += len;
else {
rpdata->error_code =
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
apdu_len = BACNET_STATUS_ABORT;
break;
}
}
} else {
if (rpdata->array_index <=
cdi_descr[object_index].supported_formats_count) {
apdu_len =
bacapp_encode_authentication_factor_format(&apdu[0],
&cdi_descr[object_index].
supported_formats[rpdata->array_index - 1]);
} else {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = BACNET_STATUS_ERROR;
}
}
break;
case PROP_UPDATE_TIME:
apdu_len =
bacapp_encode_timestamp(&apdu[0],
&cdi_descr[object_index].timestamp);
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_SUPPORTED_FORMATS)
&& (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 rr_address_list_encode(
uint8_t * apdu,
BACNET_READ_RANGE_DATA * pRequest)
{
int iLen = 0;
int32_t iTemp = 0;
struct Address_Cache_Entry *pMatch = NULL;
BACNET_OCTET_STRING MAC_Address;
uint32_t uiTotal = 0; /* Number of bound entries in the cache */
uint32_t uiIndex = 0; /* Current entry number */
uint32_t uiFirst = 0; /* Entry number we started encoding from */
uint32_t uiLast = 0; /* Entry number we finished encoding on */
uint32_t uiTarget = 0; /* Last entry we are required to encode */
uint32_t uiRemaining = 0; /* Amount of unused space in packet */
/* Initialise result flags to all false */
bitstring_init(&pRequest->ResultFlags);
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_FIRST_ITEM, false);
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_LAST_ITEM, false);
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_MORE_ITEMS, false);
/* See how much space we have */
uiRemaining = (uint32_t) (MAX_APDU - pRequest->Overhead);
pRequest->ItemCount = 0; /* Start out with nothing */
uiTotal = address_count(); /* What do we have to work with here ? */
if (uiTotal == 0) /* Bail out now if nowt */
return (0);
if (pRequest->RequestType == RR_READ_ALL) {
/*
* Read all the array or as much as will fit in the buffer by selecting
* a range that covers the whole list and falling through to the next
* section of code
*/
pRequest->Count = uiTotal; /* Full list */
pRequest->Range.RefIndex = 1; /* Starting at the beginning */
}
if (pRequest->Count < 0) { /* negative count means work from index backwards */
/*
* Convert from end index/negative count to
* start index/positive count and then process as
* normal. This assumes that the order to return items
* is always first to last, if this is not true we will
* have to handle this differently.
*
* Note: We need to be careful about how we convert these
* values due to the mix of signed and unsigned types - don't
* try to optimise the code unless you understand all the
* implications of the data type conversions!
*/
iTemp = pRequest->Range.RefIndex; /* pull out and convert to signed */
iTemp += pRequest->Count + 1; /* Adjust backwards, remember count is -ve */
if (iTemp < 1) { /* if count is too much, return from 1 to start index */
pRequest->Count = pRequest->Range.RefIndex;
pRequest->Range.RefIndex = 1;
} else { /* Otherwise adjust the start index and make count +ve */
pRequest->Range.RefIndex = iTemp;
pRequest->Count = -pRequest->Count;
}
}
/* From here on in we only have a starting point and a positive count */
if (pRequest->Range.RefIndex > uiTotal) /* Nothing to return as we are past the end of the list */
return (0);
uiTarget = pRequest->Range.RefIndex + pRequest->Count - 1; /* Index of last required entry */
if (uiTarget > uiTotal) /* Capped at end of list if necessary */
uiTarget = uiTotal;
pMatch = Address_Cache;
uiIndex = 1;
while ((pMatch->Flags & (BAC_ADDR_IN_USE | BAC_ADDR_BIND_REQ)) != BAC_ADDR_IN_USE) /* Find first bound entry */
pMatch++;
/* Seek to start position */
while (uiIndex != pRequest->Range.RefIndex) {
if ((pMatch->Flags & (BAC_ADDR_IN_USE | BAC_ADDR_BIND_REQ)) == BAC_ADDR_IN_USE) { /* Only count bound entries */
pMatch++;
uiIndex++;
} else
pMatch++;
}
uiFirst = uiIndex; /* Record where we started from */
while (uiIndex <= uiTarget) {
if (uiRemaining < ACACHE_MAX_ENC) {
/*
* Can't fit any more in! We just set the result flag to say there
* was more and drop out of the loop early
*/
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_MORE_ITEMS,
true);
break;
}
iTemp =
(int32_t) encode_application_object_id(&apdu[iLen], OBJECT_DEVICE,
pMatch->device_id);
iTemp +=
encode_application_unsigned(&apdu[iLen + iTemp],
pMatch->address.net);
/* pick the appropriate type of entry from the cache */
if (pMatch->address.len != 0) {
octetstring_init(&MAC_Address, pMatch->address.adr,
pMatch->address.len);
iTemp +=
encode_application_octet_string(&apdu[iLen + iTemp],
&MAC_Address);
} else {
octetstring_init(&MAC_Address, pMatch->address.mac,
pMatch->address.mac_len);
iTemp +=
encode_application_octet_string(&apdu[iLen + iTemp],
&MAC_Address);
}
uiRemaining -= iTemp; /* Reduce the remaining space */
iLen += iTemp; /* and increase the length consumed */
uiLast = uiIndex; /* Record the last entry encoded */
uiIndex++; /* and get ready for next one */
pMatch++;
pRequest->ItemCount++; /* Chalk up another one for the response count */
while ((pMatch->Flags & (BAC_ADDR_IN_USE | BAC_ADDR_BIND_REQ)) != BAC_ADDR_IN_USE) /* Find next bound entry */
pMatch++;
}
/* Set remaining result flags if necessary */
if (uiFirst == 1)
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_FIRST_ITEM,
true);
if (uiLast == uiTotal)
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_LAST_ITEM, true);
return (iLen);
}
/* return the length of the apdu encoded or -1 for error or
-2 for abort message */
int Device_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 apdu_len = 0; /* return value */
int len = 0; /* apdu len intermediate value */
BACNET_BIT_STRING bit_string;
BACNET_CHARACTER_STRING char_string;
unsigned i = 0;
int object_type = 0;
uint32_t instance = 0;
unsigned count = 0;
object_instance = object_instance;
switch (property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0], OBJECT_DEVICE,
Object_Instance_Number);
break;
case PROP_OBJECT_NAME:
characterstring_init_ansi(&char_string, My_Object_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_OBJECT_TYPE:
apdu_len = encode_application_enumerated(&apdu[0], OBJECT_DEVICE);
break;
case PROP_DESCRIPTION:
characterstring_init_ansi(&char_string, Description);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_SYSTEM_STATUS:
apdu_len = encode_application_enumerated(&apdu[0], System_Status);
break;
case PROP_VENDOR_NAME:
characterstring_init_ansi(&char_string, Vendor_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_VENDOR_IDENTIFIER:
apdu_len =
encode_application_unsigned(&apdu[0], Vendor_Identifier);
break;
case PROP_MODEL_NAME:
characterstring_init_ansi(&char_string, Model_Name);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FIRMWARE_REVISION:
characterstring_init_ansi(&char_string, BACnet_Version);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_APPLICATION_SOFTWARE_VERSION:
characterstring_init_ansi(&char_string,
Application_Software_Version);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_LOCATION:
characterstring_init_ansi(&char_string, Location);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
/* FIXME: if you support time */
case PROP_LOCAL_TIME:
/* FIXME: get the actual value */
Local_Time.hour = 7;
Local_Time.min = 0;
Local_Time.sec = 3;
Local_Time.hundredths = 1;
apdu_len = encode_application_time(&apdu[0], &Local_Time);
break;
/* FIXME: if you support time */
case PROP_UTC_OFFSET:
apdu_len = encode_application_signed(&apdu[0], UTC_Offset);
break;
/* FIXME: if you support date */
case PROP_LOCAL_DATE:
/* FIXME: get the actual value instead of April Fool's Day */
Local_Date.year = 2006; /* AD */
Local_Date.month = 4; /* 1=Jan */
Local_Date.day = 1; /* 1..31 */
Local_Date.wday = 6; /* 1=Monday */
apdu_len = encode_application_date(&apdu[0], &Local_Date);
break;
case PROP_DAYLIGHT_SAVINGS_STATUS:
apdu_len =
encode_application_boolean(&apdu[0], Daylight_Savings_Status);
break;
case PROP_PROTOCOL_VERSION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Protocol_Version());
break;
case PROP_PROTOCOL_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Protocol_Revision());
break;
/* BACnet Legacy Support */
case PROP_PROTOCOL_CONFORMANCE_CLASS:
apdu_len = encode_application_unsigned(&apdu[0], 1);
break;
case PROP_PROTOCOL_SERVICES_SUPPORTED:
/* Note: list of services that are executed, not initiated. */
bitstring_init(&bit_string);
for (i = 0; i < MAX_BACNET_SERVICES_SUPPORTED; i++) {
/* automatic lookup based on handlers set */
bitstring_set_bit(&bit_string, (uint8_t) i,
apdu_service_supported((BACNET_SERVICES_SUPPORTED) i));
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
/* Note: this is the list of objects that can be in this device,
not a list of objects that this device can access */
bitstring_init(&bit_string);
for (i = 0; i < MAX_ASHRAE_OBJECT_TYPE; i++) {
if ((i == OBJECT_DEVICE) || Object_Count[i]) {
bitstring_set_bit(&bit_string, i, true);
} else {
/* initialize all the object types to not-supported */
bitstring_set_bit(&bit_string, (uint8_t) i, false);
}
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_OBJECT_LIST:
count = Device_Object_List_Count();
/* Array element zero is the number of objects in the list */
if (array_index == 0)
apdu_len = encode_application_unsigned(&apdu[0], count);
/* if no index was specified, then try to encode the entire list */
/* into one packet. Note that more than likely you will have */
/* to return an error if the number of encoded objects exceeds */
/* your maximum APDU size. */
else if (array_index == BACNET_ARRAY_ALL) {
for (i = 1; i <= count; i++) {
if (Device_Object_List_Identifier(i, &object_type,
&instance)) {
len =
encode_application_object_id(&apdu[apdu_len],
object_type, instance);
apdu_len += len;
/* assume next one is the same size as this one */
/* can we all fit into the APDU? */
if ((apdu_len + len) >= MAX_APDU) {
/* reject message */
apdu_len = -2;
break;
}
} else {
/* error: internal error? */
*error_class = ERROR_CLASS_SERVICES;
*error_code = ERROR_CODE_OTHER;
apdu_len = -1;
break;
}
}
} else {
if (Device_Object_List_Identifier(array_index, &object_type,
&instance))
apdu_len =
encode_application_object_id(&apdu[0], object_type,
instance);
else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = -1;
}
}
break;
case PROP_MAX_APDU_LENGTH_ACCEPTED:
apdu_len = encode_application_unsigned(&apdu[0], MAX_APDU);
break;
case PROP_SEGMENTATION_SUPPORTED:
apdu_len =
encode_application_enumerated(&apdu[0],
Device_Segmentation_Supported());
break;
case PROP_APDU_TIMEOUT:
apdu_len = encode_application_unsigned(&apdu[0], apdu_timeout());
break;
case PROP_NUMBER_OF_APDU_RETRIES:
apdu_len = encode_application_unsigned(&apdu[0], apdu_retries());
break;
case PROP_DEVICE_ADDRESS_BINDING:
/* FIXME: the real max apdu remaining should be passed into function */
apdu_len = address_list_encode(&apdu[0], MAX_APDU);
break;
case PROP_DATABASE_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0], Database_Revision);
break;
#if defined(BACDL_MSTP)
case PROP_MAX_INFO_FRAMES:
apdu_len =
encode_application_unsigned(&apdu[0],
dlmstp_max_info_frames());
break;
case PROP_MAX_MASTER:
apdu_len =
encode_application_unsigned(&apdu[0], dlmstp_max_master());
break;
#endif
case PROP_ACTIVE_COV_SUBSCRIPTIONS:
/* FIXME: the real max apdu should be passed into function */
apdu_len = handler_cov_encode_subscriptions(&apdu[0], MAX_APDU);
break;
default:
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_UNKNOWN_PROPERTY;
apdu_len = -1;
break;
}
return apdu_len;
}
/* return the number of bytes used, or -1 on error */
int bacfile_read_property(
BACNET_READ_PROPERTY_DATA * rpdata)
{
int apdu_len = 0; /* return value */
char text_string[32] = { "" };
BACNET_CHARACTER_STRING char_string;
BACNET_DATE bdate;
BACNET_TIME btime;
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_FILE,
rpdata->object_instance);
break;
case PROP_OBJECT_NAME:
sprintf(text_string, "FILE %lu",
(unsigned long) rpdata->object_instance);
characterstring_init_ansi(&char_string, text_string);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_OBJECT_TYPE:
apdu_len = encode_application_enumerated(&apdu[0], OBJECT_FILE);
break;
case PROP_DESCRIPTION:
characterstring_init_ansi(&char_string,
bacfile_name(rpdata->object_instance));
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FILE_TYPE:
characterstring_init_ansi(&char_string, "TEXT");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FILE_SIZE:
apdu_len =
encode_application_unsigned(&apdu[0],
bacfile_file_size(rpdata->object_instance));
break;
case PROP_MODIFICATION_DATE:
/* FIXME: get the actual value instead of April Fool's Day */
bdate.year = 2006; /* AD */
bdate.month = 4; /* 1=Jan */
bdate.day = 1; /* 1..31 */
bdate.wday = 6; /* 1=Monday */
apdu_len = encode_application_date(&apdu[0], &bdate);
/* FIXME: get the actual value */
btime.hour = 7;
btime.min = 0;
btime.sec = 3;
btime.hundredths = 1;
apdu_len += encode_application_time(&apdu[apdu_len], &btime);
break;
case PROP_ARCHIVE:
/* 12.13.8 Archive
This property, of type BOOLEAN, indicates whether the File
object has been saved for historical or backup purposes. This
property shall be logical TRUE only if no changes have been
made to the file data by internal processes or through File
Access Services since the last time the object was archived.
*/
/* FIXME: get the actual value: note it may be inverse... */
apdu_len = encode_application_boolean(&apdu[0], true);
break;
case PROP_READ_ONLY:
/* FIXME: get the actual value */
apdu_len = encode_application_boolean(&apdu[0], true);
break;
case PROP_FILE_ACCESS_METHOD:
apdu_len =
encode_application_enumerated(&apdu[0], FILE_STREAM_ACCESS);
break;
default:
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
apdu_len = -1;
break;
}
return apdu_len;
}
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;
}
static int cov_encode_subscription(
uint8_t * apdu,
int max_apdu,
BACNET_COV_SUBSCRIPTION * cov_subscription)
{
int len = 0;
int apdu_len = 0;
BACNET_OCTET_STRING octet_string;
/* FIXME: unused parameter */
max_apdu = max_apdu;
/* Recipient [0] BACnetRecipientProcess - opening */
len = encode_opening_tag(&apdu[apdu_len], 0);
apdu_len += len;
/* recipient [0] BACnetRecipient - opening */
len = encode_opening_tag(&apdu[apdu_len], 0);
apdu_len += len;
/* CHOICE - address [1] BACnetAddress - opening */
len = encode_opening_tag(&apdu[apdu_len], 1);
apdu_len += len;
/* network-number Unsigned16, */
/* -- A value of 0 indicates the local network */
len =
encode_application_unsigned(&apdu[apdu_len],
cov_subscription->dest.net);
apdu_len += len;
/* mac-address OCTET STRING */
/* -- A string of length 0 indicates a broadcast */
if (cov_subscription->dest.net) {
octetstring_init(&octet_string, &cov_subscription->dest.adr[0],
cov_subscription->dest.len);
} else {
octetstring_init(&octet_string, &cov_subscription->dest.mac[0],
cov_subscription->dest.mac_len);
}
len = encode_application_octet_string(&apdu[apdu_len], &octet_string);
apdu_len += len;
/* CHOICE - address [1] BACnetAddress - closing */
len = encode_closing_tag(&apdu[apdu_len], 1);
apdu_len += len;
/* recipient [0] BACnetRecipient - closing */
len = encode_closing_tag(&apdu[apdu_len], 0);
apdu_len += len;
/* processIdentifier [1] Unsigned32 */
len =
encode_context_unsigned(&apdu[apdu_len], 1,
cov_subscription->subscriberProcessIdentifier);
apdu_len += len;
/* Recipient [0] BACnetRecipientProcess - closing */
len = encode_closing_tag(&apdu[apdu_len], 0);
apdu_len += len;
/* MonitoredPropertyReference [1] BACnetObjectPropertyReference, */
len = encode_opening_tag(&apdu[apdu_len], 1);
apdu_len += len;
/* objectIdentifier [0] */
len =
encode_context_object_id(&apdu[apdu_len], 0,
cov_subscription->monitoredObjectIdentifier.type,
cov_subscription->monitoredObjectIdentifier.instance);
apdu_len += len;
/* propertyIdentifier [1] */
/* FIXME: we are monitoring 2 properties! How to encode? */
len = encode_context_enumerated(&apdu[apdu_len], 1, PROP_PRESENT_VALUE);
apdu_len += len;
/* MonitoredPropertyReference [1] - closing */
len = encode_closing_tag(&apdu[apdu_len], 1);
apdu_len += len;
/* IssueConfirmedNotifications [2] BOOLEAN, */
len =
encode_context_boolean(&apdu[apdu_len], 2,
cov_subscription->flag.issueConfirmedNotifications);
apdu_len += len;
/* TimeRemaining [3] Unsigned, */
len =
encode_context_unsigned(&apdu[apdu_len], 3,
cov_subscription->lifetime);
apdu_len += len;
return apdu_len;
}
/* return apdu len, or BACNET_STATUS_ERROR on error */
int Multistate_Input_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;
uint32_t present_value = 0;
unsigned i = 0;
uint32_t max_states = 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_MULTI_STATE_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:
Multistate_Input_Object_Name(rpdata->object_instance,
&char_string);
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_DESCRIPTION:
characterstring_init_ansi(&char_string,
Multistate_Input_Description(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_MULTI_STATE_INPUT);
break;
case PROP_PRESENT_VALUE:
present_value =
Multistate_Input_Present_Value(rpdata->object_instance);
apdu_len = encode_application_unsigned(&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);
if (Multistate_Input_Out_Of_Service(rpdata->object_instance)) {
bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
true);
} else {
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:
state = Multistate_Input_Out_Of_Service(rpdata->object_instance);
apdu_len = encode_application_boolean(&apdu[0], state);
break;
case PROP_NUMBER_OF_STATES:
apdu_len =
encode_application_unsigned(&apdu[apdu_len],
Multistate_Input_Max_States(rpdata->object_instance));
break;
case PROP_STATE_TEXT:
if (rpdata->array_index == 0) {
/* Array element zero is the number of elements in the array */
apdu_len =
encode_application_unsigned(&apdu[0],
Multistate_Input_Max_States(rpdata->object_instance));
} else if (rpdata->array_index == BACNET_ARRAY_ALL) {
/* if no index was specified, then try to encode the entire list */
/* into one packet. */
max_states =
Multistate_Input_Max_States(rpdata->object_instance);
for (i = 1; i <= max_states; i++) {
characterstring_init_ansi(&char_string,
Multistate_Input_State_Text(rpdata->object_instance,
i));
/* FIXME: this might go beyond MAX_APDU length! */
len =
encode_application_character_string(&apdu[apdu_len],
&char_string);
/* 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 {
max_states =
Multistate_Input_Max_States(rpdata->object_instance);
if (rpdata->array_index <= max_states) {
characterstring_init_ansi(&char_string,
Multistate_Input_State_Text(rpdata->object_instance,
rpdata->array_index));
apdu_len =
encode_application_character_string(&apdu[0],
&char_string);
} else {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = BACNET_STATUS_ERROR;
}
}
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_STATE_TEXT) &&
(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 the length of the apdu encoded or BACNET_STATUS_ERROR for error */
int Device_Read_Property_Local(BACNET_READ_PROPERTY_DATA * rpdata)
{
int apdu_len = 0; /* return value */
int len = 0; /* apdu len intermediate value */
BACNET_BIT_STRING bit_string = { 0 };
BACNET_CHARACTER_STRING char_string = { 0 };
unsigned i = 0;
int object_type = 0;
uint32_t instance = 0;
unsigned count = 0;
uint8_t *apdu = NULL;
struct my_object_functions *pObject = NULL;
if ((rpdata->application_data == NULL) ||
(rpdata->application_data_len == 0)) {
return 0;
}
apdu = rpdata->application_data;
switch ((int) 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:
Device_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_DESCRIPTION:
bacnet_name(NVM_DEVICE_DESCRIPTION, &char_string,
"default description");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_LOCATION:
bacnet_name(NVM_DEVICE_LOCATION, &char_string,
"default location");
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_SYSTEM_STATUS:
apdu_len =
encode_application_enumerated(&apdu[0],
Device_System_Status());
break;
case PROP_VENDOR_NAME:
characterstring_init_ansi(&char_string, Device_Vendor_Name());
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_VENDOR_IDENTIFIER:
apdu_len = encode_application_unsigned(&apdu[0], BACNET_VENDOR_ID);
break;
case PROP_MODEL_NAME:
characterstring_init_ansi(&char_string, Device_Model_Name());
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_FIRMWARE_REVISION:
characterstring_init_ansi(&char_string,
Device_Firmware_Revision());
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_APPLICATION_SOFTWARE_VERSION:
characterstring_init_ansi(&char_string,
Device_Application_Software_Version());
apdu_len =
encode_application_character_string(&apdu[0], &char_string);
break;
case PROP_PROTOCOL_VERSION:
apdu_len =
encode_application_unsigned(&apdu[0], BACNET_PROTOCOL_VERSION);
break;
case PROP_PROTOCOL_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
BACNET_PROTOCOL_REVISION);
break;
case PROP_PROTOCOL_SERVICES_SUPPORTED:
/* Note: list of services that are executed, not initiated. */
bitstring_init(&bit_string);
for (i = 0; i < MAX_BACNET_SERVICES_SUPPORTED; i++) {
/* automatic lookup based on handlers set */
bitstring_set_bit(&bit_string, (uint8_t) i,
apdu_service_supported((BACNET_SERVICES_SUPPORTED) i));
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
/* Note: this is the list of objects that can be in this device,
not a list of objects that this device can access */
bitstring_init(&bit_string);
for (i = 0; i < MAX_ASHRAE_OBJECT_TYPE; i++) {
/* initialize all the object types to not-supported */
bitstring_set_bit(&bit_string, (uint8_t) i, false);
}
/* set the object types with objects to supported */
i = 0;
pObject = &Object_Table[i];
while (pObject->Object_Type < MAX_BACNET_OBJECT_TYPE) {
if ((pObject->Object_Count) && (pObject->Object_Count() > 0)) {
bitstring_set_bit(&bit_string, pObject->Object_Type, true);
}
pObject++;
}
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
break;
case PROP_OBJECT_LIST:
count = Device_Object_List_Count();
/* Array element zero is the number of objects in the list */
if (rpdata->array_index == 0)
apdu_len = encode_application_unsigned(&apdu[0], count);
/* if no index was specified, then try to encode the entire list */
/* into one packet. Note that more than likely you will have */
/* to return an error if the number of encoded objects exceeds */
/* your maximum APDU size. */
else if (rpdata->array_index == BACNET_ARRAY_ALL) {
for (i = 1; i <= count; i++) {
if (Device_Object_List_Identifier(i, &object_type,
&instance)) {
len =
encode_application_object_id(&apdu[apdu_len],
object_type, instance);
apdu_len += len;
/* assume next one is the same size as this one */
/* can we all fit into the APDU? */
if ((apdu_len + len) >= MAX_APDU) {
/* Abort response */
rpdata->error_code =
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
apdu_len = BACNET_STATUS_ABORT;
break;
}
} else {
/* error: internal error? */
rpdata->error_class = ERROR_CLASS_SERVICES;
rpdata->error_code = ERROR_CODE_OTHER;
apdu_len = BACNET_STATUS_ERROR;
break;
}
}
} else {
if (Device_Object_List_Identifier(rpdata->array_index,
&object_type, &instance))
apdu_len =
encode_application_object_id(&apdu[0], object_type,
instance);
else {
rpdata->error_class = ERROR_CLASS_PROPERTY;
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = BACNET_STATUS_ERROR;
}
}
break;
case PROP_MAX_APDU_LENGTH_ACCEPTED:
apdu_len = encode_application_unsigned(&apdu[0], MAX_APDU);
break;
case PROP_SEGMENTATION_SUPPORTED:
apdu_len =
encode_application_enumerated(&apdu[0],
Device_Segmentation_Supported());
break;
case PROP_APDU_TIMEOUT:
apdu_len = encode_application_unsigned(&apdu[0], apdu_timeout());
break;
case PROP_NUMBER_OF_APDU_RETRIES:
apdu_len = encode_application_unsigned(&apdu[0], apdu_retries());
break;
case PROP_DEVICE_ADDRESS_BINDING:
/* FIXME: encode the list here, if it exists */
break;
case PROP_DATABASE_REVISION:
apdu_len =
encode_application_unsigned(&apdu[0],
Device_Database_Revision());
break;
case PROP_MAX_INFO_FRAMES:
apdu_len =
encode_application_unsigned(&apdu[0],
dlmstp_max_info_frames());
break;
case PROP_MAX_MASTER:
apdu_len =
encode_application_unsigned(&apdu[0], dlmstp_max_master());
break;
case 512:
apdu_len = encode_application_unsigned(&apdu[0], stack_size());
break;
case 513:
apdu_len = encode_application_unsigned(&apdu[0], stack_unused());
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_OBJECT_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;
}
/**
* 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;
}