Added Zephyr settings and basic device in subsys. (#697)

* Added Zephyr settings subsys to enable storing of BACnet values according to BACnet object property value path. * Added BACnet Basic features to enable basic samples. Refactored the zephyr BACnet profile B-SS sample to use BACnet basic subsys.
2024-07-19 17:12:20 -05:00
parent 90714c094c
commit 1e889b633c
33 changed files with 3400 additions and 213 deletions
@@ -0,0 +1,91 @@
+/**
+ * @file
+ * @brief BACnet Stack server initialization and task handler
+ * @author Steve Karg <skarg@users.sourceforge.net>
+ * @date March 2024
+ * @copyright SPDX-License-Identifier: MIT
+ */
+#include <stdlib.h>
+#include <stdalign.h> /*TODO: Not std until C11! */
+#include <zephyr/device.h>
+#include <zephyr/init.h>
+#include <zephyr/kernel.h>
+#include <zephyr/sys/printk.h>
+#include <zephyr/random/random.h>
+#include <bacnet_settings/bacnet_storage.h>
+#include "bacnet/datalink/datalink.h"
+#include "bacnet_basic/bacnet_basic.h"
+#include "bacnet_basic/bacnet_port.h"
+#if defined(CONFIG_BACNETSTACK_BACNET_SETTINGS)
+#include "bacnet_settings/bacnet_storage.h"
+#endif
+
+/* note: stack is minimally 2x to 3x of MAX_APDU */
+#ifndef CONFIG_BACNETSTACK_BACNET_SERVER_STACK_SIZE
+#define CONFIG_BACNETSTACK_BACNET_SERVER_STACK_SIZE 4096
+#endif
+
+#ifndef CONFIG_BACNETSTACK_BACNET_SERVER_PRIO
+#define CONFIG_BACNETSTACK_BACNET_SERVER_PRIO 10
+#endif
+
+#ifndef CONFIG_BACNETSTACK_BACNET_SERVER_APP_PRIORITY
+#define CONFIG_BACNETSTACK_BACNET_SERVER_APP_PRIORITY 90
+#endif
+
+#ifndef CONFIG_BACNETSTACK_LOG_LEVEL
+#define CONFIG_BACNETSTACK_LOG_LEVEL LOG_LEVEL_INF
+#endif
+
+/* Logging module registration is already done in ports/zephyr/main.c */
+#include <zephyr/logging/log.h>
+LOG_MODULE_DECLARE(bacnet, CONFIG_BACNETSTACK_LOG_LEVEL);
+
+static struct k_thread server_thread_data;
+static K_THREAD_STACK_DEFINE(server_thread_stack,
+                             CONFIG_BACNETSTACK_BACNET_SERVER_STACK_SIZE);
+
+/**
+ * @brief BACnet Server Thread
+ */
+static void server_thread(void)
+{
+    LOG_INF("BACnet Server: started");
+
+#if defined(CONFIG_BACNETSTACK_BACNET_SETTINGS)
+    bacnet_storage_init();
+#endif
+    bacnet_basic_init();
+    for (;;) {
+        if (bacnet_port_init()) {
+            break;
+        } else {
+            LOG_ERR("BACnet Server: port initialization failed");
+            k_sleep(K_MSEC(1000));
+        }
+    }
+    LOG_INF("BACnet Server: initialized");
+    for (;;) {
+        k_sleep(K_MSEC(10));
+        bacnet_basic_task();
+        bacnet_port_task();
+    }
+}
+
+/**
+ * @brief BACnet Server Thread initialization
+ */
+static int server_init(void)
+{
+    k_thread_create(&server_thread_data, server_thread_stack,
+                    K_THREAD_STACK_SIZEOF(server_thread_stack),
+                    (k_thread_entry_t)server_thread, NULL, NULL, NULL,
+                    K_PRIO_PREEMPT(CONFIG_BACNETSTACK_BACNET_SERVER_PRIO), 0,
+                    K_NO_WAIT);
+    k_thread_name_set(&server_thread_data, "bacnet_server");
+
+    return 0;
+}
+
+SYS_INIT(server_init, APPLICATION,
+         CONFIG_BACNETSTACK_BACNET_SERVER_APP_PRIORITY);