[WIP] configure NVS for storing BACnet settings

Author: skarg

zephyr/include/bacnet_datalink/mstp_init.h

@@ -0,0 +1,29 @@
+/**
+ * @file
+ * @brief The BACnet datalink initialization functions
+ * @author Steve Karg <[email protected]>
+ * @date January 2025
+ * @copyright SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef BACNET_DATALINK_MSTP_INIT_H
+#define BACNET_DATALINK_MSTP_INIT_H
+
+#include <stdint.h>
+#include <stdint.h>
+/* BACnet Stack defines - first */
+#include "bacnet/bacdef.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+void mstp_init_uuid(const uint8_t *new_uuid, size_t length);
+void mstp_init_mac(uint8_t mac);
+void mstp_init_baud(uint32_t baud);
+void mstp_init_max_master(uint8_t max_master);
+void mstp_init_port(uint8_t mac, uint32_t baud, uint8_t max_master);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif

zephyr/samples/profiles/b-ld/src/main.c

@@ -71,8 +71,6 @@ static void BACnet_Lighting_Device_Init_Handler(void *context)
 	(void)context;
 	LOG_INF("BACnet Stack Initialized");
 	/* initialize objects for this basic sample */
-	Device_Init(NULL);
-	Device_Set_Object_Instance_Number(Device_Instance);
 	Device_Object_Name_ANSI_Init(Device_Name);
 	Lighting_Output_Create(Lighting_Instance);
 	Lighting_Output_Name_Set(Lighting_Instance, "Light-1");

zephyr/samples/profiles/b-ss/boards/nucleo_f429zi.overlay

@@ -0,0 +1,21 @@
+/**
+ * @file
+ * @brief Override existing Nucleo F429ZI board for the BACnet sample.
+ * @author Steve Karg <[email protected]>
+ * @date January 2025
+ * @copyright SPDX-License-Identifier: Apache-2.0
+ */
+ /delete-node/ &storage_partition;
+&flash0 {
+   partitions {
+       /* Configure storage for NVS: rules from nvs.h: uint16_t sector_size
+          a) shall be more than one sector
+          b) each sector shall be the same size
+          c) each sector shalle be smaller than 64KB
+        */
+       storage_partition: partition@100000 {
+           label = "storage";
+           reg = <0x000100000 DT_SIZE_K(48)>;
+       };
+   };
+};

zephyr/samples/profiles/b-ss/prj.conf

@@ -24,6 +24,16 @@ CONFIG_INIT_STACKS=y
 CONFIG_BACNETSTACK=y
 CONFIG_BACNETSTACK_LOG_LEVEL=3
 CONFIG_BACNETSTACK_BACNET_BASIC=y
+# BACnet settings subsystem
+CONFIG_BACNETSTACK_BACNET_SETTINGS=y
+CONFIG_BACNET_SETTINGS_SHELL=y
+# the dependencies of the SETTINGS option.
+CONFIG_FLASH=y
+CONFIG_FLASH_MAP=y
+CONFIG_NVS=y
+CONFIG_SETTINGS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_SETTINGS_RUNTIME=y
 # BACnet Library - options
 CONFIG_BACNET_MAX_CHARACTER_STRING_BYTES=128
 CONFIG_BACAPP_MINIMAL=y
@@ -33,10 +43,6 @@ CONFIG_BACNET_BASIC_OBJECT_NETWORK_PORT=y
 CONFIG_BACNET_BASIC_OBJECT_ANALOG_INPUT=y
 # BACnet Library - shell
 CONFIG_BACNET_BASIC_DEVICE_SHELL=y
-# BACnet settings subsystem
-#CONFIG_BACNETSTACK_BACNET_SETTINGS=y
-#CONFIG_BACNET_SETTINGS=y
-#CONFIG_BACNET_SETTINGS_SHELL=y
 
 # BACnet Datalink Options
 CONFIG_BACDL_BIP=y
@@ -116,9 +122,6 @@ CONFIG_STATS_SHELL=y
 #CONFIG_FILE_SYSTEM=y
 #CONFIG_FILE_SYSTEM_LITTLEFS=y
 #CONFIG_FILE_SYSTEM_SHELL=y
-#CONFIG_NVS=y
-#CONFIG_SETTINGS=y
-#CONFIG_SETTINGS_NVS=y
 #CONFIG_SETTINGS_RUNTIME=y
 #CONFIG_SETTINGS_FILE=y
 #CONFIG_SETTINGS_SHELL=y

zephyr/samples/profiles/b-ss/src/main.c

@@ -28,19 +28,12 @@
 #include "bacnet_osif/bacnet_log.h"
 LOG_MODULE_DECLARE(bacnet, CONFIG_BACNETSTACK_LOG_LEVEL);
 
-/* FIXME: get the device instance and name from settings! */
-static const uint32_t Device_Instance = 260123;
 static const char *Device_Name = "BACnet Smart Sensor (B-SS)";
 /* object instances */
 static const uint32_t Sensor_Instance = 1;
 /* timer for Sensor Update Interval */
 static struct mstimer Sensor_Update_Timer;
 
-static void BACnet_Smart_Sensor_Datalink_Init(void)
-{
-
-}
-
 /**
  * @brief BACnet Project Initialization Handler
  * @param context [in] The context to pass to the callback function
@@ -50,10 +43,7 @@ static void BACnet_Smart_Sensor_Init_Handler(void *context)
 {
     (void)context;
     LOG_INF("BACnet Stack Initialized");
-    BACnet_Smart_Sensor_Datalink_Init();
-    /* initialize objects for this basic sample */
-    Device_Init(NULL);
-    Device_Set_Object_Instance_Number(Device_Instance);
+    /* initialize child objects for this basic sample */
     Device_Object_Name_ANSI_Init(Device_Name);
     Analog_Input_Create(Sensor_Instance);
     Analog_Input_Name_Set(Sensor_Instance, "Sensor");