Added demo for BACnet simple server in the demo/server directory.

Added demo for BACnet ReadProperty service.
Added demo for BACnet WriteProperty service.

bacnet-stack/demo/handler/client.h

@@ -54,7 +54,7 @@ bool Send_Write_Property_Request(
   BACNET_OBJECT_TYPE object_type,
   uint32_t object_instance,
   BACNET_PROPERTY_ID object_property,
-  BACNET_APPLICATION_DATA_VALUE object_value,
+  BACNET_APPLICATION_DATA_VALUE *object_value,
   uint8_t priority,
   int32_t array_index);
 

bacnet-stack/demo/handler/h_iam.c

@@ -32,7 +32,7 @@
 #include "iam.h"
 #include "address.h"
 
-void handler_i_am(
+void handler_i_am_add(
   uint8_t *service_request,
   uint16_t service_len,
   BACNET_ADDRESS *src)
@@ -43,7 +43,6 @@ void handler_i_am(
   int segmentation = 0;
   uint16_t vendor_id = 0;
 
-  (void)src;
   (void)service_len;
   len = iam_decode_service_request(
     service_request,
@@ -64,3 +63,30 @@ void handler_i_am(
 
   return;  
 }
+
+void handler_i_am_bind(
+  uint8_t *service_request,
+  uint16_t service_len,
+  BACNET_ADDRESS *src)
+{
+  int len = 0;
+  uint32_t device_id = 0;
+  unsigned max_apdu = 0;
+  int segmentation = 0;
+  uint16_t vendor_id = 0;
+
+  (void)service_len;
+  len = iam_decode_service_request(
+    service_request,
+    &device_id,
+    &max_apdu,
+    &segmentation,
+    &vendor_id);
+  // only add address if requested to bind
+  address_add_binding(device_id,
+    max_apdu,
+    src);
+
+  return;  
+}
+

bacnet-stack/demo/handler/handlers.h

@@ -50,6 +50,16 @@ void handler_who_is(
   uint16_t service_len,
   BACNET_ADDRESS *src);
 
+void handler_i_am_add(
+  uint8_t *service_request,
+  uint16_t service_len,
+  BACNET_ADDRESS *src);
+  
+void handler_i_am_bind(
+  uint8_t *service_request,
+  uint16_t service_len,
+  BACNET_ADDRESS *src);
+  
 void handler_read_property(
   uint8_t *service_request,
   uint16_t service_len,

bacnet-stack/demo/handler/s_rp.c

@@ -41,8 +41,8 @@
 #include "handlers.h"
 #include "txbuf.h"
 
-/* returns false if device is not bound or no tsm available */
-bool Send_Read_Property_Request(
+/* returns invoke id of 0 if device is not bound or no tsm available */
+uint8_t Send_Read_Property_Request(
   uint32_t device_id, /* destination device */
   BACNET_OBJECT_TYPE object_type,
   uint32_t object_instance,
@@ -99,9 +99,7 @@ bool Send_Read_Property_Request(
           &dest,  // destination address
       &Handler_Transmit_Buffer[0],
       pdu_len); // number of bytes of data
-      if (bytes_sent > 0)
-        fprintf(stderr,"Sent ReadProperty Request!\n");
-      else
+      if (bytes_sent <= 0)
         fprintf(stderr,"Failed to Send ReadProperty Request (%s)!\n",
                 strerror(errno));
     }
@@ -110,5 +108,5 @@ bool Send_Read_Property_Request(
           "(exceeds destination maximum APDU)!\n");
   }
 
-  return status;
+  return invoke_id;
 }

bacnet-stack/demo/handler/s_whois.c

@@ -71,8 +71,6 @@ void Send_WhoIs(
     &dest,  // destination address
     &Handler_Transmit_Buffer[0],
     pdu_len); // number of bytes of data
-  if (bytes_sent > 0)
-    fprintf(stderr,"Sent Who-Is Request!\n");
-  else
+  if (bytes_sent <= 0)
     fprintf(stderr,"Failed to Send Who-Is Request (%s)!\n", strerror(errno));
 }

bacnet-stack/demo/handler/s_wp.c

@@ -41,13 +41,13 @@
 #include "handlers.h"
 #include "txbuf.h"
 
-/* FIXME: probably should return the invoke ID for confirmed request */
-bool Send_Write_Property_Request(
+/* returns the invoke ID for confirmed request, or zero on failure */
+uint8_t Send_Write_Property_Request(
   uint32_t device_id, // destination device
   BACNET_OBJECT_TYPE object_type,
   uint32_t object_instance,
   BACNET_PROPERTY_ID object_property,
-  BACNET_APPLICATION_DATA_VALUE object_value,
+  BACNET_APPLICATION_DATA_VALUE *object_value,
   uint8_t priority,
   int32_t array_index)
 {
@@ -81,7 +81,7 @@ bool Send_Write_Property_Request(
     data.object_instance = object_instance;
     data.object_property = object_property;
     data.array_index = array_index;
-    data.value = object_value;
+    bacapp_copy(&data.value,object_value);
     data.priority = priority;
     pdu_len += wp_encode_apdu(
       &Handler_Transmit_Buffer[pdu_len],
@@ -103,9 +103,7 @@ bool Send_Write_Property_Request(
         &dest,  // destination address
         &Handler_Transmit_Buffer[0],
         pdu_len); // number of bytes of data
-      if (bytes_sent > 0)
-        fprintf(stderr,"Sent ReadProperty Request!\n");
-      else
+      if (bytes_sent <= 0)
         fprintf(stderr,"Failed to Send WriteProperty Request (%s)!\n",
           strerror(errno));
     }
@@ -114,6 +112,6 @@ bool Send_Write_Property_Request(
         "(exceeds destination maximum APDU)!\n");
   }
 
-  return status;
+  return invoke_id;
 }