Added skeleton Trend Log object. Currently allows properties to be read and written but has little of the required logic for trending implemented yet.

bacnet-stack/include/bacdcode.h

@@ -393,17 +393,27 @@ extern "C" {
         uint8_t invoke_id,
         uint8_t service_choice);
 
-/* from clause 20.2.1.3.2 Constructed Data */
+/* from clause 20.2.1.2 Tag Number */
 /* true if extended tag numbering is used */
 #define IS_EXTENDED_TAG_NUMBER(x) ((x & 0xF0) == 0xF0)
 
-/* from clause 20.2.1.3.2 Constructed Data */
+/* from clause 20.2.1.3.1 Primitive Data */
 /* true if the extended value is used */
 #define IS_EXTENDED_VALUE(x) ((x & 0x07) == 5)
 
-/* from clause 20.2.1.3.2 Constructed Data */
+/* from clause 20.2.1.1 Class */
 /* true if the tag is context specific */
 #define IS_CONTEXT_SPECIFIC(x) ((x & BIT3) == BIT3)
+
+/* from clause 20.2.1.3.2 Constructed Data */
+/* true if the tag is an opening tag */
+#define IS_OPENING_TAG(x) ((x & 0x07) == 6)
+
+/* from clause 20.2.1.3.2 Constructed Data */
+/* true if the tag is a closing tag */
+#define IS_CLOSING_TAG(x) ((x & 0x07) == 7)
+
+
 #ifdef __cplusplus
 
 }

bacnet-stack/include/bacenum.h

@@ -1125,9 +1125,15 @@ typedef enum {
 typedef enum {
     LOG_STATUS_LOG_DISABLED = 0,
     LOG_STATUS_BUFFER_PURGED = 1,
-    LOG_STATUS_LOG_INTERRUPTED = 2,
+    LOG_STATUS_LOG_INTERRUPTED = 2
 } BACNET_LOG_STATUS;
 
+typedef enum {
+    LOGGING_TYPE_POLLED = 0,
+    LOGGING_TYPE_COV = 1,
+    LOGGING_TYPE_TRIGGERED = 2
+} BACNET_LOGGING_TYPE;
+
 typedef enum {
     ACKNOWLEDGMENT_FILTER_ALL = 0,
     ACKNOWLEDGMENT_FILTER_ACKED = 1,

bacnet-stack/include/trendlog.h

@@ -0,0 +1,74 @@
+/**************************************************************************
+*
+* Copyright (C) 2009 Peter Mc Shane
+*
+* 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.
+*
+*********************************************************************/
+#ifndef TRENDLOG_H
+#define TRENDLOG_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "bacdef.h"
+#include "cov.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+    void Trend_Log_Property_Lists(
+        const int **pRequired,
+        const int **pOptional,
+        const int **pProprietary);
+
+    bool Trend_Log_Valid_Instance(
+        uint32_t object_instance);
+    unsigned Trend_Log_Count(
+        void);
+    uint32_t Trend_Log_Index_To_Instance(
+        unsigned index);
+    unsigned Trend_Log_Instance_To_Index(
+        uint32_t instance);
+    bool Trend_Log_Object_Instance_Add(
+        uint32_t instance);
+
+    char *Trend_Log_Name(
+        uint32_t object_instance);
+
+    int Trend_Log_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);
+
+    bool Trend_Log_Write_Property(
+        BACNET_WRITE_PROPERTY_DATA * wp_data,
+        BACNET_ERROR_CLASS * error_class,
+        BACNET_ERROR_CODE * error_code);
+    void Trend_Log_Init(
+        void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif