First version of Trend Log which will actually log real data.

bacnet-stack/include/ai.h

@@ -32,6 +32,11 @@
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */
+
+#ifndef MAX_ANALOG_INPUTS
+#define MAX_ANALOG_INPUTS 7
+#endif
+
     void Analog_Input_Property_Lists(
         const int **pRequired,
         const int **pOptional,

bacnet-stack/include/handlers.h

@@ -78,6 +78,13 @@ extern "C" {
         uint16_t service_len,
         BACNET_ADDRESS * src,
         BACNET_CONFIRMED_SERVICE_DATA * service_data);
+        
+    int local_read_property(
+        uint8_t * value,
+        uint8_t * status,
+        BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE *Source,
+        BACNET_ERROR_CLASS * error_class,
+        BACNET_ERROR_CODE * error_code);
 
     void handler_rr_object_set(
         BACNET_OBJECT_TYPE object_type,

bacnet-stack/include/trendlog.h

@@ -119,6 +119,9 @@ extern "C" {
 		BACNET_ERROR_CLASS *error_class,
 		BACNET_ERROR_CODE  *error_code);
 
+        void trend_log_timer(
+            uint16_t uSeconds);
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */