/** * @file * @author Steve Karg * @date 2013 * @brief Channel objects, customize for your use * * @section DESCRIPTION * * The Channel object is a command object without a priority array, and the * present-value property uses a priority array and a single precision floating * point data type. * * @section LICENSE * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include "bacnet/bacdef.h" #include "bacnet/bacdcode.h" #include "bacnet/bacenum.h" #include "bacnet/bacapp.h" #include "bacnet/config.h" /* the custom stuff */ #include "bacnet/wp.h" #include "bacnet/basic/services.h" #include "bacnet/proplist.h" #include "bacnet/lighting.h" #include "bacnet/basic/object/device.h" #if defined(CHANNEL_LIGHTING_COMMAND) #include "bacnet/basic/object/lo.h" #endif /* me! */ #include "bacnet/basic/object/channel.h" #ifndef BACNET_CHANNELS_MAX #define BACNET_CHANNELS_MAX 1 #endif #ifndef CONTROL_GROUPS_MAX #define CONTROL_GROUPS_MAX 8 #endif #ifndef CHANNEL_MEMBERS_MAX #define CHANNEL_MEMBERS_MAX 8 #endif struct bacnet_channel_object { bool Out_Of_Service : 1; BACNET_CHANNEL_VALUE Present_Value; unsigned Last_Priority; BACNET_WRITE_STATUS Write_Status; BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE Members[CHANNEL_MEMBERS_MAX]; uint16_t Number; uint32_t Control_Groups[CONTROL_GROUPS_MAX]; }; static struct bacnet_channel_object Channel[BACNET_CHANNELS_MAX]; /* These arrays are used by the ReadPropertyMultiple handler property-list property (as of protocol-revision 14) */ static const int Channel_Properties_Required[] = { PROP_OBJECT_IDENTIFIER, PROP_OBJECT_NAME, PROP_OBJECT_TYPE, PROP_PRESENT_VALUE, PROP_LAST_PRIORITY, PROP_WRITE_STATUS, PROP_STATUS_FLAGS, PROP_OUT_OF_SERVICE, PROP_LIST_OF_OBJECT_PROPERTY_REFERENCES, PROP_CHANNEL_NUMBER, PROP_CONTROL_GROUPS, -1 }; static const int Channel_Properties_Optional[] = { -1 }; static const int Channel_Properties_Proprietary[] = { -1 }; /** * Returns the list of required, optional, and proprietary properties. * Used by ReadPropertyMultiple service. * * @param pRequired - pointer to list of int terminated by -1, of * BACnet required properties for this object. * @param pOptional - pointer to list of int terminated by -1, of * BACnet optkional properties for this object. * @param pProprietary - pointer to list of int terminated by -1, of * BACnet proprietary properties for this object. */ void Channel_Property_Lists( const int **pRequired, const int **pOptional, const int **pProprietary) { if (pRequired) { *pRequired = Channel_Properties_Required; } if (pOptional) { *pOptional = Channel_Properties_Optional; } if (pProprietary) { *pProprietary = Channel_Properties_Proprietary; } return; } /** * Determines if a given Channel instance is valid * * @param object_instance - object-instance number of the object * * @return true if the instance is valid, and false if not */ bool Channel_Valid_Instance(uint32_t object_instance) { unsigned int index; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { return true; } return false; } /** * Determines the number of Channel objects * * @return Number of Channel objects */ unsigned Channel_Count(void) { return BACNET_CHANNELS_MAX; } /** * Determines the object instance-number for a given 0..N index * of Channel objects where N is Channel_Count(). * * @param index - 0..BACNET_CHANNELS_MAX value * * @return object instance-number for the given index */ uint32_t Channel_Index_To_Instance(unsigned index) { uint32_t instance = 1; instance += index; return instance; } /** * For a given object instance-number, determines a 0..N index * of Channel objects where N is Channel_Count(). * * @param object_instance - object-instance number of the object * * @return index for the given instance-number, or BACNET_CHANNELS_MAX * if not valid. */ unsigned Channel_Instance_To_Index(uint32_t object_instance) { unsigned index = BACNET_CHANNELS_MAX; if (object_instance) { index = object_instance - 1; if (index > BACNET_CHANNELS_MAX) { index = BACNET_CHANNELS_MAX; } } return index; } /** * For a given object instance-number, determines the present-value * * @param object_instance - object-instance number of the object * @return pointer to the BACNET_CHANNEL_VALUE present-value */ BACNET_CHANNEL_VALUE *Channel_Present_Value(uint32_t object_instance) { unsigned index = 0; BACNET_CHANNEL_VALUE *cvalue = NULL; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { cvalue = &Channel[index].Present_Value; } return cvalue; } /** * For a given object instance-number, determines the last priority. * * @param object_instance - object-instance number of the object * * @return priority - priority 1..16 */ unsigned Channel_Last_Priority(uint32_t object_instance) { unsigned index = 0; unsigned priority = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { priority = Channel[index].Last_Priority; } return priority; } /** * For a given object instance-number, determines the write status. * * @param object_instance - object-instance number of the object * * @return BACNET_WRITE_STATUS value */ BACNET_WRITE_STATUS Channel_Write_Status(uint32_t object_instance) { unsigned index = 0; BACNET_WRITE_STATUS write_status = BACNET_WRITE_STATUS_IDLE; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { write_status = Channel[index].Write_Status; } return write_status; } /** * For a given object instance-number, determines the Number * * @param object_instance - object-instance number of the object * * @return Channel Number value */ uint16_t Channel_Number(uint32_t object_instance) { unsigned index = 0; uint16_t value = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { value = Channel[index].Number; } return value; } /** * For a given object instance-number, sets the channel-number * property value * * @param object_instance - object-instance number of the object * @param value - channel-number value to set * * @return true if set */ bool Channel_Number_Set(uint32_t object_instance, uint16_t value) { bool status = false; unsigned index = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { Channel[index].Number = value; status = true; } return status; } /** * For a given object instance-number, determines the member count * * @param object_instance - object-instance number of the object * * @return member count */ static bool Channel_Reference_List_Member_Valid( BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember) { bool status = false; if ((pMember) && (pMember->objectIdentifier.instance != BACNET_MAX_INSTANCE) && (pMember->deviceIdentifier.instance != BACNET_MAX_INSTANCE)) { status = true; } return status; } /** * For a given object instance-number, determines the member count * * @param object_instance - object-instance number of the object * * @return member count */ unsigned Channel_Reference_List_Member_Count(uint32_t object_instance) { BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember = NULL; unsigned count = 0; unsigned m = 0; unsigned index = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { for (m = 0; m < CHANNEL_MEMBERS_MAX; m++) { pMember = &Channel[index].Members[m]; if (Channel_Reference_List_Member_Valid(pMember)) { count++; } } } return count; } /** * For a given object instance-number, returns the member element * * @param object_instance - object-instance number of the object * @param array_index - 1-based array index * * @return pointer to member element or NULL if not found */ BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *Channel_Reference_List_Member_Element( uint32_t object_instance, unsigned array_index) { BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember = NULL; unsigned count = 0; unsigned m = 0; unsigned index = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { for (m = 0; m < CHANNEL_MEMBERS_MAX; m++) { pMember = &Channel[index].Members[m]; if (Channel_Reference_List_Member_Valid(pMember)) { count++; if (count == array_index) { return pMember; } } } } return NULL; } /** * For a given object instance-number, returns the member element * * @param object_instance - object-instance number of the object * @param array_index - 1-based array index * * @return pointer to member element or NULL if not found */ bool Channel_Reference_List_Member_Element_Set(uint32_t object_instance, unsigned array_index, BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMemberSrc) { BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember = NULL; unsigned count = 0; unsigned m = 0; unsigned index = 0; bool status = false; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { for (m = 0; m < CHANNEL_MEMBERS_MAX; m++) { pMember = &Channel[index].Members[m]; if (Channel_Reference_List_Member_Valid(pMember)) { count++; if (count == array_index) { memcpy(pMember, pMemberSrc, sizeof(BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE)); status = true; break; } } } } return status; } /** * For a given object instance-number, adds a member element * * @param object_instance - object-instance number of the object * @param pMemberSrc - pointer to a object property reference element * * @return array_index - 1-based array index value for added element, or * zero if not added */ unsigned Channel_Reference_List_Member_Element_Add(uint32_t object_instance, BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMemberSrc) { BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember = NULL; unsigned count = 0; unsigned m = 0; unsigned index = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { for (m = 0; m < CHANNEL_MEMBERS_MAX; m++) { pMember = &Channel[index].Members[m]; if (Channel_Reference_List_Member_Valid(pMember)) { count++; } else { /* first empty slot */ count++; memcpy(pMember, pMemberSrc, sizeof(BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE)); break; } } } return count; } /** * For a given object instance-number, adds a member element * * @param object_instance - object-instance number of the object * @param type - object type * @param instance - object instance number * @param propertyIdentifier - property identifier BACNET_PROPERTY_ID * @param array_index - 1-based array index of object property * * @return array_index - 1-based array index value for added element, or * zero if not added */ unsigned Channel_Reference_List_Member_Local_Add(uint32_t object_instance, BACNET_OBJECT_TYPE type, uint32_t instance, BACNET_PROPERTY_ID propertyIdentifier, uint32_t arrayIndex) { BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE member = { 0 }; member.objectIdentifier.type = type; member.objectIdentifier.instance = instance; member.propertyIdentifier = propertyIdentifier; member.arrayIndex = arrayIndex; member.deviceIdentifier.type = OBJECT_DEVICE; member.deviceIdentifier.instance = Device_Object_Instance_Number(); return Channel_Reference_List_Member_Element_Add(object_instance, &member); } /** * For a given object instance-number, determines the Number * * @param object_instance - object-instance number of the object * @param array_index - 1-based array index * * @return group number in the array */ uint16_t Channel_Control_Groups_Element( uint32_t object_instance, int32_t array_index) { unsigned index = 0; uint16_t value = 0; index = Channel_Instance_To_Index(object_instance); if ((index < BACNET_CHANNELS_MAX) && (array_index > 0) && (array_index <= CONTROL_GROUPS_MAX)) { array_index--; value = Channel[index].Control_Groups[array_index]; } return value; } /** * For a given object instance-number, determines the Number * * @param object_instance - object-instance number of the object * @param array_index - 1-based array index * @param value - control group value 0..65535 * * @return true if parameters are value and control group is set */ bool Channel_Control_Groups_Element_Set( uint32_t object_instance, int32_t array_index, uint16_t value) { bool status = false; unsigned index = 0; index = Channel_Instance_To_Index(object_instance); if ((index < BACNET_CHANNELS_MAX) && (array_index > 0) && (array_index <= CONTROL_GROUPS_MAX)) { array_index--; Channel[index].Control_Groups[array_index] = value; status = true; } return status; } /** * For a given application value, copy to the channel value * * @param cvalue - BACNET_CHANNEL_VALUE value * @param value - BACNET_APPLICATION_DATA_VALUE value * * @return true if values are able to be copied */ bool Channel_Value_Copy( BACNET_CHANNEL_VALUE *cvalue, BACNET_APPLICATION_DATA_VALUE *value) { bool status = false; if (!value || !cvalue) { return false; } switch (value->tag) { #if defined(BACAPP_NULL) case BACNET_APPLICATION_TAG_NULL: cvalue->tag = value->tag; status = true; break; #endif #if defined(BACAPP_BOOLEAN) && defined(CHANNEL_BOOLEAN) case BACNET_APPLICATION_TAG_BOOLEAN: cvalue->tag = value->tag; cvalue->type.Boolean = value->type.Boolean; status = true; break; #endif #if defined(BACAPP_UNSIGNED) && defined(CHANNEL_UNSIGNED) case BACNET_APPLICATION_TAG_UNSIGNED_INT: cvalue->tag = value->tag; cvalue->type.Unsigned_Int = value->type.Unsigned_Int; status = true; break; #endif #if defined(BACAPP_SIGNED) && defined(CHANNEL_SIGNED) case BACNET_APPLICATION_TAG_SIGNED_INT: cvalue->tag = value->tag; cvalue->type.Signed_Int = value->type.Signed_Int; status = true; break; #endif #if defined(BACAPP_REAL) && defined(CHANNEL_REAL) case BACNET_APPLICATION_TAG_REAL: cvalue->tag = value->tag; cvalue->type.Real = value->type.Real; status = true; break; #endif #if defined(BACAPP_DOUBLE) && defined(CHANNEL_DOUBLE) case BACNET_APPLICATION_TAG_DOUBLE: cvalue->tag = value->tag; cvalue->type.Double = value->type.Double; status = true; break; #endif #if defined(BACAPP_OCTET_STRING) && defined(CHANNEL_OCTET_STRING) case BACNET_APPLICATION_TAG_OCTET_STRING: cvalue->tag = value->tag; octetstring_copy( &cvalue->type.Octet_String, &value->type.Octet_String); status = true; break; #endif #if defined(BACAPP_CHARACTER_STRING) && defined(CHANNEL_CHARACTER_STRING) case BACNET_APPLICATION_TAG_CHARACTER_STRING: cvalue->tag = value->tag; characterstring_copy( &cvalue->type.Character_String, &value->type.Character_String); status = true; break; #endif #if defined(BACAPP_BIT_STRING) && defined(CHANNEL_BIT_STRING) case BACNET_APPLICATION_TAG_BIT_STRING: cvalue->tag = value->tag; bitstring_copy(&cvalue->type.Bit_String, &value->type.Bit_String); status = true; break; #endif #if defined(BACAPP_ENUMERATED) && defined(CHANNEL_ENUMERATED) case BACNET_APPLICATION_TAG_ENUMERATED: cvalue->tag = value->tag; cvalue->type.Enumerated = value->type.Enumerated; status = true; break; #endif #if defined(BACAPP_DATE) && defined(CHANNEL_DATE) case BACNET_APPLICATION_TAG_DATE: cvalue->tag = value->tag; datetime_date_copy(&cvalue->type.Date, &value->type.Date); apdu_len = encode_application_date(&apdu[0], &value->type.Date); status = true; break; #endif #if defined(BACAPP_TIME) && defined(CHANNEL_TIME) case BACNET_APPLICATION_TAG_TIME: cvalue->tag = value->tag; datetime_time_copy(&cvalue->type.Time, &value->type.Time); break; #endif #if defined(BACAPP_OBJECT_ID) && defined(CHANNEL_OBJECT_ID) case BACNET_APPLICATION_TAG_OBJECT_ID: cvalue->tag = value->tag; cvalue->type.Object_Id.type = value->type.Object_Id.type; cvalue->type.Object_Id.instance = value->type.Object_Id.instance; status = true; break; #endif #if defined(BACAPP_TYPES_EXTRA) && defined(CHANNEL_LIGHTING_COMMAND) case BACNET_APPLICATION_TAG_LIGHTING_COMMAND: cvalue->tag = value->tag; lighting_command_copy( &cvalue->type.Lighting_Command, &value->type.Lighting_Command); status = true; break; #endif default: break; } return status; } /** * For a given application value, copy to the channel value * * @param apdu - APDU buffer for storing the encoded data * @param apdu_max - size of APDU buffer available for storing data * @param value - BACNET_CHANNEL_VALUE value * * @return number of bytes in the APDU, or BACNET_STATUS_ERROR */ int Channel_Value_Encode( uint8_t *apdu, int apdu_max, BACNET_CHANNEL_VALUE *value) { int apdu_len = BACNET_STATUS_ERROR; if (!apdu || !value) { return BACNET_STATUS_ERROR; } switch (value->tag) { case BACNET_APPLICATION_TAG_NULL: apdu_len = encode_application_null(&apdu[0]); break; #if defined(CHANNEL_BOOLEAN) case BACNET_APPLICATION_TAG_BOOLEAN: apdu_len = encode_application_boolean(&apdu[0], value->type.Boolean); break; #endif #if defined(CHANNEL_UNSIGNED) case BACNET_APPLICATION_TAG_UNSIGNED_INT: apdu_len = encode_application_unsigned(&apdu[0], value->type.Unsigned_Int); break; #endif #if defined(CHANNEL_SIGNED) case BACNET_APPLICATION_TAG_SIGNED_INT: apdu_len = encode_application_signed(&apdu[0], value->type.Signed_Int); break; #endif #if defined(CHANNEL_REAL) case BACNET_APPLICATION_TAG_REAL: apdu_len = encode_application_real(&apdu[0], value->type.Real); break; #endif #if defined(CHANNEL_DOUBLE) case BACNET_APPLICATION_TAG_DOUBLE: apdu_len = encode_application_double(&apdu[0], value->type.Double); break; #endif #if defined(CHANNEL_OCTET_STRING) case BACNET_APPLICATION_TAG_OCTET_STRING: apdu_len = encode_application_octet_string( &apdu[0], &value->type.Octet_String); break; #endif #if defined(CHANNEL_CHARACTER_STRING) case BACNET_APPLICATION_TAG_CHARACTER_STRING: apdu_len = encode_application_character_string( &apdu[0], &value->type.Character_String); break; #endif #if defined(CHANNEL_BIT_STRING) case BACNET_APPLICATION_TAG_BIT_STRING: apdu_len = encode_application_bitstring(&apdu[0], &value->type.Bit_String); break; #endif #if defined(CHANNEL_ENUMERATED) case BACNET_APPLICATION_TAG_ENUMERATED: apdu_len = encode_application_enumerated(&apdu[0], value->type.Enumerated); break; #endif #if defined(CHANNEL_DATE) case BACNET_APPLICATION_TAG_DATE: apdu_len = encode_application_date(&apdu[0], &value->type.Date); break; #endif #if defined(CHANNEL_TIME) case BACNET_APPLICATION_TAG_TIME: apdu_len = encode_application_time(&apdu[0], &value->type.Time); break; #endif #if defined(CHANNEL_OBJECT_ID) case BACNET_APPLICATION_TAG_OBJECT_ID: apdu_len = encode_application_object_id(&apdu[0], (int)value->type.Object_Id.type, value->type.Object_Id.instance); break; #endif #if defined(CHANNEL_LIGHTING_COMMAND) case BACNET_APPLICATION_TAG_LIGHTING_COMMAND: apdu_len = lighting_command_encode( &apdu[0], &value->type.Lighting_Command); break; #endif default: break; } return apdu_len; } /** * For a given application value, coerce the encoding, if necessary * * @param apdu - buffer to hold the encoding * @param apdu_max - max size of the buffer to hold the encoding * @param value - BACNET_APPLICATION_DATA_VALUE value * @param tag - application tag to be coerced, if possible * * @return number of bytes in the APDU, or BACNET_STATUS_ERROR if error. */ int Channel_Coerce_Data_Encode(uint8_t *apdu, unsigned max_apdu, BACNET_APPLICATION_DATA_VALUE *value, BACNET_APPLICATION_TAG tag) { int apdu_len = 0; /* total length of the apdu, return value */ float float_value = 0.0; double double_value = 0.0; uint32_t unsigned_value = 0; int32_t signed_value = 0; bool boolean_value = false; (void)max_apdu; if (apdu && value) { switch (value->tag) { #if defined(BACAPP_NULL) case BACNET_APPLICATION_TAG_NULL: if (tag == BACNET_APPLICATION_TAG_LIGHTING_COMMAND) { apdu_len = BACNET_STATUS_ERROR; } else { /* no coercion */ apdu[0] = value->tag; apdu_len++; } break; #endif #if defined(BACAPP_BOOLEAN) case BACNET_APPLICATION_TAG_BOOLEAN: if (tag == BACNET_APPLICATION_TAG_BOOLEAN) { apdu_len = encode_application_boolean( &apdu[0], value->type.Boolean); } else if (tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) { if (value->type.Boolean) { unsigned_value = 1; } apdu_len = encode_application_unsigned(&apdu[0], unsigned_value); } else if (tag == BACNET_APPLICATION_TAG_SIGNED_INT) { if (value->type.Boolean) { signed_value = 1; } apdu_len = encode_application_signed(&apdu[0], signed_value); } else if (tag == BACNET_APPLICATION_TAG_REAL) { if (value->type.Boolean) { float_value = 1; } apdu_len = encode_application_real(&apdu[0], float_value); } else if (tag == BACNET_APPLICATION_TAG_DOUBLE) { if (value->type.Boolean) { double_value = 1; } apdu_len = encode_application_double(&apdu[0], double_value); } else if (tag == BACNET_APPLICATION_TAG_ENUMERATED) { if (value->type.Boolean) { unsigned_value = 1; } apdu_len = encode_application_enumerated(&apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif #if defined(BACAPP_UNSIGNED) case BACNET_APPLICATION_TAG_UNSIGNED_INT: if (tag == BACNET_APPLICATION_TAG_BOOLEAN) { if (value->type.Unsigned_Int) { boolean_value = true; } apdu_len = encode_application_boolean(&apdu[0], boolean_value); } else if (tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) { unsigned_value = value->type.Unsigned_Int; apdu_len = encode_application_unsigned(&apdu[0], unsigned_value); } else if (tag == BACNET_APPLICATION_TAG_SIGNED_INT) { if (value->type.Unsigned_Int <= 2147483647) { signed_value = value->type.Unsigned_Int; apdu_len = encode_application_signed(&apdu[0], signed_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_REAL) { if (value->type.Unsigned_Int <= 9999999) { float_value = (float)value->type.Unsigned_Int; apdu_len = encode_application_real(&apdu[0], float_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_DOUBLE) { double_value = (double)value->type.Unsigned_Int; apdu_len = encode_application_double(&apdu[0], double_value); } else if (tag == BACNET_APPLICATION_TAG_ENUMERATED) { unsigned_value = value->type.Unsigned_Int; apdu_len = encode_application_enumerated(&apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif #if defined(BACAPP_SIGNED) case BACNET_APPLICATION_TAG_SIGNED_INT: if (tag == BACNET_APPLICATION_TAG_BOOLEAN) { if (value->type.Signed_Int) { boolean_value = true; } apdu_len = encode_application_boolean(&apdu[0], boolean_value); } else if (tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) { if ((value->type.Signed_Int >= 0) && (value->type.Signed_Int <= 2147483647)) { unsigned_value = value->type.Signed_Int; apdu_len = encode_application_unsigned( &apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_SIGNED_INT) { signed_value = value->type.Signed_Int; apdu_len = encode_application_signed(&apdu[0], signed_value); } else if (tag == BACNET_APPLICATION_TAG_REAL) { if (value->type.Signed_Int <= 9999999) { float_value = (float)value->type.Signed_Int; apdu_len = encode_application_real(&apdu[0], float_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_DOUBLE) { double_value = (double)value->type.Signed_Int; apdu_len = encode_application_double(&apdu[0], double_value); } else if (tag == BACNET_APPLICATION_TAG_ENUMERATED) { unsigned_value = value->type.Signed_Int; apdu_len = encode_application_enumerated(&apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif #if defined(BACAPP_REAL) case BACNET_APPLICATION_TAG_REAL: if (tag == BACNET_APPLICATION_TAG_BOOLEAN) { if (value->type.Real != 0.0F) { boolean_value = true; } apdu_len = encode_application_boolean(&apdu[0], boolean_value); } else if (tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) { if ((value->type.Real >= 0.0F) && (value->type.Real <= 2147483000.0F)) { unsigned_value = (uint32_t)value->type.Real; apdu_len = encode_application_unsigned( &apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_SIGNED_INT) { if ((value->type.Real >= -2147483000.0F) && (value->type.Real <= 214783000.0F)) { signed_value = (int32_t)value->type.Real; apdu_len = encode_application_signed(&apdu[0], signed_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_REAL) { float_value = value->type.Real; apdu_len = encode_application_real(&apdu[0], float_value); } else if (tag == BACNET_APPLICATION_TAG_DOUBLE) { double_value = value->type.Real; apdu_len = encode_application_double(&apdu[0], double_value); } else if (tag == BACNET_APPLICATION_TAG_ENUMERATED) { if ((value->type.Real >= 0.0F) && (value->type.Real <= 2147483000.0F)) { unsigned_value = (uint32_t)value->type.Real; apdu_len = encode_application_enumerated( &apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif #if defined(BACAPP_DOUBLE) case BACNET_APPLICATION_TAG_DOUBLE: if (tag == BACNET_APPLICATION_TAG_BOOLEAN) { if (value->type.Double != 0.0) { boolean_value = true; } apdu_len = encode_application_boolean(&apdu[0], boolean_value); } else if (tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) { if ((value->type.Double >= 0.0) && (value->type.Double <= 2147483000.0)) { unsigned_value = (uint32_t)value->type.Double; apdu_len = encode_application_unsigned( &apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_SIGNED_INT) { if ((value->type.Double >= -2147483000.0) && (value->type.Double <= 214783000.0)) { signed_value = (int32_t)value->type.Double; apdu_len = encode_application_signed(&apdu[0], signed_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_REAL) { if ((value->type.Double >= 3.4E-38) && (value->type.Double <= 3.4E+38)) { float_value = (float)value->type.Double; apdu_len = encode_application_real(&apdu[0], float_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_DOUBLE) { double_value = value->type.Double; apdu_len = encode_application_double(&apdu[0], double_value); } else if (tag == BACNET_APPLICATION_TAG_ENUMERATED) { if ((value->type.Double >= 0.0) && (value->type.Double <= 2147483000.0)) { unsigned_value = (uint32_t)value->type.Double; apdu_len = encode_application_enumerated( &apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif #if defined(BACAPP_ENUMERATED) case BACNET_APPLICATION_TAG_ENUMERATED: if (tag == BACNET_APPLICATION_TAG_BOOLEAN) { if (value->type.Enumerated) { boolean_value = true; } apdu_len = encode_application_boolean(&apdu[0], boolean_value); } else if (tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) { unsigned_value = value->type.Enumerated; apdu_len = encode_application_unsigned(&apdu[0], unsigned_value); } else if (tag == BACNET_APPLICATION_TAG_SIGNED_INT) { if (value->type.Enumerated <= 2147483647) { signed_value = value->type.Enumerated; apdu_len = encode_application_signed(&apdu[0], signed_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_REAL) { if (value->type.Enumerated <= 9999999) { float_value = (float)value->type.Enumerated; apdu_len = encode_application_real(&apdu[0], float_value); } else { apdu_len = BACNET_STATUS_ERROR; } } else if (tag == BACNET_APPLICATION_TAG_DOUBLE) { double_value = (double)value->type.Enumerated; apdu_len = encode_application_double(&apdu[0], double_value); } else if (tag == BACNET_APPLICATION_TAG_ENUMERATED) { unsigned_value = value->type.Enumerated; apdu_len = encode_application_enumerated(&apdu[0], unsigned_value); } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif #if defined(BACAPP_TYPES_EXTRA) case BACNET_APPLICATION_TAG_LIGHTING_COMMAND: if (tag == BACNET_APPLICATION_TAG_LIGHTING_COMMAND) { apdu_len = lighting_command_encode( &apdu[0], &value->type.Lighting_Command); } else { apdu_len = BACNET_STATUS_ERROR; } break; #endif default: apdu_len = BACNET_STATUS_ERROR; break; } } return apdu_len; } /** * For a given object instance-number, sets the present-value at a given * priority 1..16. * * @param wp_data - all of the WriteProperty data structure * * @return true if values are within range and present-value is sent. */ bool Channel_Write_Member_Value( BACNET_WRITE_PROPERTY_DATA *wp_data, BACNET_APPLICATION_DATA_VALUE *value) { bool status = false; int apdu_len = 0; if (wp_data && value) { if (((wp_data->object_type == OBJECT_ANALOG_INPUT) || (wp_data->object_type == OBJECT_ANALOG_OUTPUT) || (wp_data->object_type == OBJECT_ANALOG_VALUE)) && (wp_data->object_property == PROP_PRESENT_VALUE) && (wp_data->array_index == BACNET_ARRAY_ALL)) { apdu_len = Channel_Coerce_Data_Encode(wp_data->application_data, wp_data->application_data_len, value, BACNET_APPLICATION_TAG_REAL); if (apdu_len != BACNET_STATUS_ERROR) { wp_data->application_data_len = apdu_len; status = true; } } else if (((wp_data->object_type == OBJECT_BINARY_INPUT) || (wp_data->object_type == OBJECT_BINARY_OUTPUT) || (wp_data->object_type == OBJECT_BINARY_VALUE)) && (wp_data->object_property == PROP_PRESENT_VALUE) && (wp_data->array_index == BACNET_ARRAY_ALL)) { apdu_len = Channel_Coerce_Data_Encode(wp_data->application_data, wp_data->application_data_len, value, BACNET_APPLICATION_TAG_ENUMERATED); if (apdu_len != BACNET_STATUS_ERROR) { wp_data->application_data_len = apdu_len; status = true; } } else if (((wp_data->object_type == OBJECT_MULTI_STATE_INPUT) || (wp_data->object_type == OBJECT_MULTI_STATE_OUTPUT) || (wp_data->object_type == OBJECT_MULTI_STATE_VALUE)) && (wp_data->object_property == PROP_PRESENT_VALUE) && (wp_data->array_index == BACNET_ARRAY_ALL)) { apdu_len = Channel_Coerce_Data_Encode(wp_data->application_data, wp_data->application_data_len, value, BACNET_APPLICATION_TAG_UNSIGNED_INT); if (apdu_len != BACNET_STATUS_ERROR) { wp_data->application_data_len = apdu_len; status = true; } } else if (wp_data->object_type == OBJECT_LIGHTING_OUTPUT) { if ((wp_data->object_property == PROP_PRESENT_VALUE) && (wp_data->array_index == BACNET_ARRAY_ALL)) { apdu_len = Channel_Coerce_Data_Encode(wp_data->application_data, wp_data->application_data_len, value, BACNET_APPLICATION_TAG_REAL); if (apdu_len != BACNET_STATUS_ERROR) { wp_data->application_data_len = apdu_len; status = true; } } else if ((wp_data->object_property == PROP_LIGHTING_COMMAND) && (wp_data->array_index == BACNET_ARRAY_ALL)) { apdu_len = Channel_Coerce_Data_Encode(wp_data->application_data, wp_data->application_data_len, value, BACNET_APPLICATION_TAG_LIGHTING_COMMAND); if (apdu_len != BACNET_STATUS_ERROR) { wp_data->application_data_len = apdu_len; status = true; } } } } return status; } /** * For a given object instance-number, sets the present-value at a given * priority 1..16. * * @param wp_data - all of the WriteProperty data structure * * @return true if values are within range and present-value is sent. */ static bool Channel_Write_Members(struct bacnet_channel_object *pChannel, BACNET_APPLICATION_DATA_VALUE *value, uint8_t priority) { BACNET_WRITE_PROPERTY_DATA wp_data = { 0 }; bool status = false; unsigned m = 0; BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember = NULL; if (pChannel && value) { pChannel->Write_Status = BACNET_WRITE_STATUS_IN_PROGRESS; for (m = 0; m < CHANNEL_MEMBERS_MAX; m++) { pMember = &pChannel->Members[m]; /* NOTE: our implementation is for internal objects only */ /* NOTE: we could check to match our Device ID, but then we would need to update all channels when our device ID changed. Instead, we'll just screen when members are set. */ if ((pMember->deviceIdentifier.type == OBJECT_DEVICE) && (pMember->deviceIdentifier.instance != BACNET_MAX_INSTANCE) && (pMember->objectIdentifier.instance != BACNET_MAX_INSTANCE)) { wp_data.object_type = pMember->objectIdentifier.type; wp_data.object_instance = pMember->objectIdentifier.instance; wp_data.object_property = pMember->propertyIdentifier; wp_data.array_index = pMember->arrayIndex; wp_data.priority = priority; wp_data.application_data_len = sizeof(wp_data.application_data); status = Channel_Write_Member_Value(&wp_data, value); if (status) { status = Device_Write_Property(&wp_data); } else { pChannel->Write_Status = BACNET_WRITE_STATUS_FAILED; } } } if (pChannel->Write_Status == BACNET_WRITE_STATUS_IN_PROGRESS) { pChannel->Write_Status = BACNET_WRITE_STATUS_SUCCESSFUL; } } return status; } /** * For a given object instance-number, sets the present-value at a given * priority 1..16. * * @param wp_data - all of the WriteProperty data structure * * @return true if values are within range and present-value is sent. */ bool Channel_Present_Value_Set( BACNET_WRITE_PROPERTY_DATA *wp_data, BACNET_APPLICATION_DATA_VALUE *value) { unsigned index = 0; bool status = false; index = Channel_Instance_To_Index(wp_data->object_instance); if (index < BACNET_CHANNELS_MAX) { if ((wp_data->priority > 0) && (wp_data->priority <= BACNET_MAX_PRIORITY)) { if (wp_data->priority != 6 /* reserved */) { status = Channel_Value_Copy(&Channel[index].Present_Value, value); (void)status; status = Channel_Write_Members( &Channel[index], value, wp_data->priority); (void)status; status = true; } else { /* Command priority 6 is reserved for use by Minimum On/Off algorithm and may not be used for other purposes in any object. */ wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED; } } else { wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE; } } return status; } /** * For a given object instance-number, loads the object-name into * a characterstring. Note that the object name must be unique * within this device. * * @param object_instance - object-instance number of the object * @param object_name - holds the object-name retrieved * * @return true if object-name was retrieved */ bool Channel_Object_Name( uint32_t object_instance, BACNET_CHARACTER_STRING *object_name) { char text_string[32] = ""; bool status = false; unsigned index = 0; index = Channel_Instance_To_Index(object_instance); if (index < BACNET_CHANNELS_MAX) { sprintf(text_string, "CHANNEL %lu", (unsigned long)object_instance); status = characterstring_init_ansi(object_name, text_string); } return status; } /** * For a given object instance-number, returns the out-of-service * property value * * @param object_instance - object-instance number of the object * * @return out-of-service property value */ bool Channel_Out_Of_Service(uint32_t instance) { unsigned int index = 0; bool value = false; index = Channel_Instance_To_Index(instance); if (index < BACNET_CHANNELS_MAX) { value = Channel[index].Out_Of_Service; } return value; } /** * For a given object instance-number, sets the out-of-service property value * * @param object_instance - object-instance number of the object * @param value - boolean out-of-service value * * @return true if the out-of-service property value was set */ void Channel_Out_Of_Service_Set(uint32_t instance, bool value) { unsigned int index = 0; index = Channel_Instance_To_Index(instance); if (index < BACNET_CHANNELS_MAX) { Channel[index].Out_Of_Service = value; } } /** * 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 Channel_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_CHANNEL_VALUE *cvalue = NULL; uint32_t unsigned_value = 0; unsigned i = 0; unsigned count = 0; bool state = false; BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *pMember = NULL; 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_CHANNEL, rpdata->object_instance); break; case PROP_OBJECT_NAME: Channel_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_CHANNEL); break; case PROP_PRESENT_VALUE: cvalue = Channel_Present_Value(rpdata->object_instance); apdu_len = Channel_Value_Encode(&apdu[0], MAX_APDU, cvalue); if (apdu_len == BACNET_STATUS_ERROR) { apdu_len = encode_application_null(&apdu[0]); } break; case PROP_LAST_PRIORITY: unsigned_value = Channel_Last_Priority(rpdata->object_instance); apdu_len = encode_application_unsigned(&apdu[0], unsigned_value); break; case PROP_WRITE_STATUS: unsigned_value = (BACNET_WRITE_STATUS)Channel_Write_Status( 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 = Channel_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 = Channel_Out_Of_Service(rpdata->object_instance); apdu_len = encode_application_boolean(&apdu[0], state); break; case PROP_LIST_OF_OBJECT_PROPERTY_REFERENCES: if (rpdata->array_index == 0) { /* Array element zero is the number of elements in the array */ count = Channel_Reference_List_Member_Count( rpdata->object_instance); apdu_len = encode_application_unsigned(&apdu[0], count); } else if (rpdata->array_index == BACNET_ARRAY_ALL) { /* if no index was specified, then try to encode the entire list */ /* into one packet. */ count = Channel_Reference_List_Member_Count( rpdata->object_instance); for (i = 1; i <= count; i++) { pMember = Channel_Reference_List_Member_Element( rpdata->object_instance, i); len = bacapp_encode_device_obj_property_ref( &apdu[apdu_len], pMember); /* 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 { /* a specific element was requested */ count = Channel_Reference_List_Member_Count( rpdata->object_instance); if (rpdata->array_index <= count) { pMember = Channel_Reference_List_Member_Element( rpdata->object_instance, rpdata->array_index); apdu_len += bacapp_encode_device_obj_property_ref( &apdu[0], pMember); } else { rpdata->error_class = ERROR_CLASS_PROPERTY; rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX; apdu_len = BACNET_STATUS_ERROR; } } break; case PROP_CHANNEL_NUMBER: unsigned_value = Channel_Number(rpdata->object_instance); apdu_len = encode_application_unsigned(&apdu[0], unsigned_value); break; case PROP_CONTROL_GROUPS: if (rpdata->array_index == 0) { /* Array element zero is the number of elements in the array */ apdu_len = encode_application_unsigned(&apdu[0], CONTROL_GROUPS_MAX); } else if (rpdata->array_index == BACNET_ARRAY_ALL) { /* if no index was specified, then try to encode the entire list */ /* into one packet. */ for (i = 1; i <= CONTROL_GROUPS_MAX; i++) { unsigned_value = Channel_Control_Groups_Element( rpdata->object_instance, i); len = encode_application_unsigned( &apdu[apdu_len], unsigned_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 { /* a specific element was requested */ if (rpdata->array_index <= CONTROL_GROUPS_MAX) { unsigned_value = Channel_Control_Groups_Element( rpdata->object_instance, rpdata->array_index); apdu_len = encode_application_unsigned( &apdu[apdu_len], unsigned_value); } 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_PRIORITY_ARRAY) && (rpdata->object_property != PROP_LIST_OF_OBJECT_PROPERTY_REFERENCES) && (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; } /** * WriteProperty handler for this object. For the given WriteProperty * data, the application_data is loaded or the error flags are set. * * @param wp_data - BACNET_WRITE_PROPERTY_DATA data, including * requested data and space for the reply, or error response. * * @return false if an error is loaded, true if no errors */ bool Channel_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data) { bool status = false; /* return value */ int len = 0; BACNET_APPLICATION_DATA_VALUE value; int element_len = 0; uint32_t count = 0; uint32_t array_index = 0; /* decode the some of the request */ len = bacapp_decode_application_data( wp_data->application_data, wp_data->application_data_len, &value); /* FIXME: len < application_data_len: more data? */ if (len < 0) { /* error while decoding - a value larger than we can handle */ wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE; return false; } if ((wp_data->object_property != PROP_PRIORITY_ARRAY) && (wp_data->array_index != BACNET_ARRAY_ALL)) { /* only array properties can have array options */ wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY; return false; } switch (wp_data->object_property) { case PROP_PRESENT_VALUE: status = Channel_Present_Value_Set(wp_data, &value); break; case PROP_OUT_OF_SERVICE: status = write_property_type_valid(wp_data, &value, BACNET_APPLICATION_TAG_BOOLEAN); if (status) { Channel_Out_Of_Service_Set( wp_data->object_instance, value.type.Boolean); } break; case PROP_LIST_OF_OBJECT_PROPERTY_REFERENCES: // FIXME: add property handling // status = // Channel_List_Of_Object_Property_References_Set( // wp_data, // &value); wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_OPTIONAL_FUNCTIONALITY_NOT_SUPPORTED; break; case PROP_CHANNEL_NUMBER: status = write_property_type_valid(wp_data, &value, BACNET_APPLICATION_TAG_UNSIGNED_INT); if (status) { Channel_Number_Set( wp_data->object_instance, value.type.Unsigned_Int); } break; case PROP_CONTROL_GROUPS: status = write_property_type_valid(wp_data, &value, BACNET_APPLICATION_TAG_UNSIGNED_INT); if (status) { if (wp_data->array_index == 0) { /* Array element zero is the number of elements in the array */ wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED; } else if (wp_data->array_index == BACNET_ARRAY_ALL) { count = CONTROL_GROUPS_MAX; array_index = 1; /* extra elements still encoded in application data */ element_len = len; do { if ((element_len > 0) && (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT)) { if ((wp_data->array_index <= CONTROL_GROUPS_MAX) && (value.type.Unsigned_Int <= 65535)) { status = Channel_Control_Groups_Element_Set( wp_data->object_instance, wp_data->array_index, value.type.Unsigned_Int); } if (!status) { wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE; break; } } count--; array_index++; if (count) { element_len = bacapp_decode_application_data( &wp_data->application_data[len], wp_data->application_data_len - len, &value); if (element_len < 0) { wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE; break; } len += element_len; } } while (count); } else { if ((wp_data->array_index <= CONTROL_GROUPS_MAX) && (value.type.Unsigned_Int <= 65535)) { status = Channel_Control_Groups_Element_Set( wp_data->object_instance, wp_data->array_index, value.type.Unsigned_Int); } if (!status) { wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE; } } } break; case PROP_OBJECT_IDENTIFIER: case PROP_OBJECT_NAME: case PROP_OBJECT_TYPE: case PROP_LAST_PRIORITY: case PROP_WRITE_STATUS: case PROP_STATUS_FLAGS: wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED; break; default: wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY; break; } return status; } /** * Initializes the Channel object data */ void Channel_Init(void) { unsigned i, m, g; for (i = 0; i < BACNET_CHANNELS_MAX; i++) { Channel[i].Present_Value.tag = BACNET_APPLICATION_TAG_EMPTYLIST; Channel[i].Out_Of_Service = false; Channel[i].Last_Priority = BACNET_NO_PRIORITY; Channel[i].Write_Status = BACNET_WRITE_STATUS_IDLE; for (m = 0; m < CHANNEL_MEMBERS_MAX; m++) { Channel[i].Members[m].objectIdentifier.type = OBJECT_LIGHTING_OUTPUT; Channel[i].Members[m].objectIdentifier.instance = i + 1; Channel[i].Members[m].propertyIdentifier = PROP_LIGHTING_COMMAND; Channel[i].Members[m].arrayIndex = BACNET_ARRAY_ALL; Channel[i].Members[m].deviceIdentifier.type = OBJECT_DEVICE; Channel[i].Members[m].deviceIdentifier.instance = 0; } Channel[i].Number = 0; for (g = 0; g < CONTROL_GROUPS_MAX; g++) { Channel[i].Control_Groups[g] = 0; } } return; }