Added separate ota config file based on the prj file.

Parameters are based on the zigbee light switch example from nrf-connect toolkit.
clang-format with vs code.

code/nrf-connect/samples/zigbee/prj_ota.conf

@@ -0,0 +1,89 @@
+
+CONFIG_LOG=y
+CONFIG_PWM=y
+CONFIG_I2C=y
+CONFIG_ADC=y
+CONFIG_GPIO=y
+
+CONFIG_USE_SEGGER_RTT=y
+CONFIG_SEGGER_RTT_BUFFER_SIZE_UP=4096
+
+CONFIG_NEWLIB_LIBC=y
+CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
+
+CONFIG_SERIAL=n
+
+CONFIG_HEAP_MEM_POOL_SIZE=2048
+CONFIG_MAIN_THREAD_PRIORITY=7
+
+CONFIG_ZIGBEE=y
+CONFIG_ZIGBEE_APP_UTILS=y
+CONFIG_ZIGBEE_ROLE_END_DEVICE=y
+
+# This example requires more workqueue stack
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
+
+# Enable nRF ECB driver
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_NRF_ECB=y
+CONFIG_CRYPTO_INIT_PRIORITY=80
+
+# Networking
+CONFIG_NET_IPV6=n
+CONFIG_NET_IPV6_MLD=n
+CONFIG_NET_IPV6_NBR_CACHE=n
+CONFIG_NET_IPV6_RA_RDNSS=n
+CONFIG_NET_IP_ADDR_CHECK=n
+CONFIG_NET_UDP=n
+
+##
+## ZigBee Channel Selection
+##
+# Get Zigbee to scan every channel.
+CONFIG_ZIGBEE_CHANNEL_SELECTION_MODE_MULTI=y
+# By default only scans channel 11 (ZigBee2MQTT default) and 15 (ZHA default).
+# Comment to scan all channels - this will make pairing consume more energy.
+# CONFIG_ZIGBEE_CHANNEL_MASK=0x8800
+
+# Uncomment to set a specific channel - this will make pairing more energy efficient.
+# CONFIG_ZIGBEE_CHANNEL=15
+
+# Enable API for powering down unused RAM parts.
+# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.7.1/nrf/ug_zigbee_configuring.html#power-saving-during-sleep
+CONFIG_RAM_POWER_DOWN_LIBRARY=y
+
+# LittleFS.
+CONFIG_MAIN_STACK_SIZE=2048
+CONFIG_FLASH=y
+CONFIG_FLASH_MAP=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FILE_SYSTEM=y
+CONFIG_FILE_SYSTEM_LITTLEFS=y
+
+CONFIG_WATCHDOG=y
+CONFIG_HWINFO=y
+CONFIG_ASSERT=y
+
+# Uncomment for debug log level.
+# CONFIG_LOG_DEFAULT_LEVEL=4
+
+# Factory reset method selection. Only hardware revision 2.0.0+ has button SW1. Earlier
+# revisions must select a different method. See Kconfig for options.
+# CONFIG_PRST_ZB_FACTORY_RESET_VIA_SW1=y
+# Disable factory reset.
+
+# OTA update configuration. This is based on the zigbee light switch example from the nrf-connect toolkit.
+CONFIG_ZIGBEE_FOTA=y
+CONFIG_ZIGBEE_FOTA_ENDPOINT=5
+CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION="1.0.0" # Increase this version for generating an update for the devices.
+CONFIG_ZIGBEE_FOTA_COMMENT="b_parasite"
+
+# Ensure an MCUboot-compatible binary is generated.
+CONFIG_IMG_MANAGER=y
+CONFIG_STREAM_FLASH=y
+CONFIG_DFU_TARGET_MCUBOOT=y
+CONFIG_IMG_ERASE_PROGRESSIVELY=y
+CONFIG_ZIGBEE_FOTA_PROGRESS_EVT=y
+
+# Increase the number of RX buffers
+CONFIG_NRF_802154_RX_BUFFERS=32

code/nrf-connect/samples/zigbee/src/main.c

@@ -17,9 +17,9 @@
 #include <zigbee/zigbee_error_handler.h>
 
 #if CONFIG_ZIGBEE_FOTA
-#include <zigbee/zigbee_fota.h>
-#include <zephyr/sys/reboot.h>
 #include <zephyr/dfu/mcuboot.h>
+#include <zephyr/sys/reboot.h>
+#include <zigbee/zigbee_fota.h>
 #endif
 
 #include "debug_counters.h"
@@ -123,8 +123,8 @@ PRST_ZB_DECLARE_ENDPOINT(
 
 #ifndef CONFIG_ZIGBEE_FOTA
 ZBOSS_DECLARE_DEVICE_CTX_1_EP(
-  app_template_ctx, 
-  app_template_ep);
+    app_template_ctx,
+    app_template_ep);
 #else
 
 extern zb_af_endpoint_desc_t zigbee_fota_client_ep;
@@ -134,51 +134,48 @@ ZBOSS_DECLARE_DEVICE_CTX_2_EP(
     zigbee_fota_client_ep,
     app_template_ep);
 
-static void confirm_image(void)
-{
-	if (!boot_is_img_confirmed()) {
-		int ret = boot_write_img_confirmed();
-
-		if (ret) {
-			LOG_ERR("Couldn't confirm image: %d", ret);
-		} else {
-			LOG_INF("Marked image as OK");
-		}
-	}
+static void confirm_image(void) {
+  if (!boot_is_img_confirmed()) {
+    int ret = boot_write_img_confirmed();
+
+    if (ret) {
+      LOG_ERR("Couldn't confirm image: %d", ret);
+    } else {
+      LOG_INF("Marked image as OK");
+    }
+  }
 }
 
-static void ota_evt_handler(const struct zigbee_fota_evt *evt)
-{
-    switch (evt->id) {
+static void ota_evt_handler(const struct zigbee_fota_evt *evt) {
+  switch (evt->id) {
     case ZIGBEE_FOTA_EVT_PROGRESS:
-		  // dk_set_led(OTA_ACTIVITY_LED, evt->dl.progress % 2);
+      // dk_set_led(OTA_ACTIVITY_LED, evt->dl.progress % 2);
       prst_led_flash(1);
-		  break;
+      break;
     case ZIGBEE_FOTA_EVT_FINISHED:
-        LOG_INF("Reboot application.");
-        /* Power on unused sections of RAM to allow MCUboot to use it. */
-        if (IS_ENABLED(CONFIG_RAM_POWER_DOWN_LIBRARY)) {
-            power_up_unused_ram();
-        }
-        sys_reboot(SYS_REBOOT_COLD);
-        break;
+      LOG_INF("Reboot application.");
+      /* Power on unused sections of RAM to allow MCUboot to use it. */
+      if (IS_ENABLED(CONFIG_RAM_POWER_DOWN_LIBRARY)) {
+        power_up_unused_ram();
+      }
+      sys_reboot(SYS_REBOOT_COLD);
+      break;
 
     case ZIGBEE_FOTA_EVT_ERROR:
-		  LOG_ERR("OTA image transfer failed.");
-		  break;
-    }
+      LOG_ERR("OTA image transfer failed.");
+      break;
+  }
 }
 
-static void zcl_device_cb(zb_bufid_t bufid)
-{
-	zb_zcl_device_callback_param_t *device_cb_param =
-		ZB_BUF_GET_PARAM(bufid, zb_zcl_device_callback_param_t);
+static void zcl_device_cb(zb_bufid_t bufid) {
+  zb_zcl_device_callback_param_t *device_cb_param =
+      ZB_BUF_GET_PARAM(bufid, zb_zcl_device_callback_param_t);
 
-	if (device_cb_param->device_cb_id == ZB_ZCL_OTA_UPGRADE_VALUE_CB_ID) {
-		zigbee_fota_zcl_cb(bufid);
-	} else {
-		device_cb_param->status = RET_NOT_IMPLEMENTED;
-	}
+  if (device_cb_param->device_cb_id == ZB_ZCL_OTA_UPGRADE_VALUE_CB_ID) {
+    zigbee_fota_zcl_cb(bufid);
+  } else {
+    device_cb_param->status = RET_NOT_IMPLEMENTED;
+  }
 }
 #endif /* CONFIG_ZIGBEE_FOTA */
 
@@ -250,8 +247,8 @@ void zboss_signal_handler(zb_bufid_t bufid) {
   // See zigbee_default_signal_handler() for all available signals.
 
 #ifdef CONFIG_ZIGBEE_FOTA
-	/* Pass signal to the OTA client implementation. */
-	zigbee_fota_signal_handler(bufid);
+  /* Pass signal to the OTA client implementation. */
+  zigbee_fota_signal_handler(bufid);
 #endif /* CONFIG_ZIGBEE_FOTA */
 
   zb_zdo_app_signal_hdr_t *sig_hndler = NULL;
@@ -390,14 +387,14 @@ int main(void) {
   power_down_unused_ram();
 
 #ifdef CONFIG_ZIGBEE_FOTA
-	/* Initialize Zigbee FOTA download service. */
-	zigbee_fota_init(ota_evt_handler);
+  /* Initialize Zigbee FOTA download service. */
+  zigbee_fota_init(ota_evt_handler);
 
-	/* Mark the current firmware as valid. */
-	confirm_image();
+  /* Mark the current firmware as valid. */
+  confirm_image();
 
-	/* Register callback for handling ZCL commands. */
-	ZB_ZCL_REGISTER_DEVICE_CB(zcl_device_cb);
+  /* Register callback for handling ZCL commands. */
+  ZB_ZCL_REGISTER_DEVICE_CB(zcl_device_cb);
 #endif /* CONFIG_ZIGBEE_FOTA */
 
   ZB_AF_REGISTER_DEVICE_CTX(&app_template_ctx);