From 38c5f6722ce5a0c51c28d5c18d686d9e7030b968 Mon Sep 17 00:00:00 2001
From: Rohit Jadhav <69809379+jadhavrohit924@users.noreply.github.com>
Date: Tue, 22 Mar 2022 11:04:54 +0530
Subject: [PATCH] [ESP32] Added config option to disable and de-init BLE post
 commissioning (#16483)

* [ESP32] Added config option to disable and de-init BLE post commissioning

* Fixed pipline failure

* Implemented config option for all-cluster and lighting app

* Address review comment
---
 .../esp32/main/DeviceCallbacks.cpp            | 25 +++++++++++++++++--
 .../esp32/main/Kconfig.projbuild              |  5 ++++
 .../esp32/main/DeviceCallbacks.cpp            | 25 +++++++++++++++++--
 .../lighting-app/esp32/main/Kconfig.projbuild |  5 ++++
 4 files changed, 56 insertions(+), 4 deletions(-)

diff --git a/examples/all-clusters-app/esp32/main/DeviceCallbacks.cpp b/examples/all-clusters-app/esp32/main/DeviceCallbacks.cpp
index 888b6e01228d8c..6de5269640521c 100644
--- a/examples/all-clusters-app/esp32/main/DeviceCallbacks.cpp
+++ b/examples/all-clusters-app/esp32/main/DeviceCallbacks.cpp
@@ -28,10 +28,13 @@
 #include "Globals.h"
 #include "LEDWidget.h"
 #include "WiFiWidget.h"
+#include "esp_bt.h"
 #include "esp_check.h"
 #include "esp_err.h"
 #include "esp_heap_caps.h"
 #include "esp_log.h"
+#include "esp_nimble_hci.h"
+#include "nimble/nimble_port.h"
 #include "route_hook/esp_route_hook.h"
 #include <app-common/zap-generated/attribute-id.h>
 #include <app-common/zap-generated/attribute-type.h>
@@ -114,9 +117,27 @@ void DeviceCallbacks::DeviceEventCallback(const ChipDeviceEvent * event, intptr_
         ESP_LOGI(TAG, "CHIPoBLE disconnected");
         break;
 
-    case DeviceEventType::kCommissioningComplete:
+    case DeviceEventType::kCommissioningComplete: {
         ESP_LOGI(TAG, "Commissioning complete");
-        break;
+#if CONFIG_BT_NIMBLE_ENABLED && CONFIG_DEINIT_BLE_ON_COMMISSIONING_COMPLETE
+        int ret = nimble_port_stop();
+        if (ret == 0)
+        {
+            nimble_port_deinit();
+            esp_err_t err = esp_nimble_hci_and_controller_deinit();
+            err += esp_bt_mem_release(ESP_BT_MODE_BLE);
+            if (err == ESP_OK)
+            {
+                ESP_LOGI(TAG, "BLE deinit successful and memory reclaimed");
+            }
+        }
+        else
+        {
+            ESP_LOGW(TAG, "nimble_port_stop() failed");
+        }
+#endif
+    }
+    break;
 
     case DeviceEventType::kInterfaceIpAddressChanged:
         if ((event->InterfaceIpAddressChanged.Type == InterfaceIpChangeType::kIpV4_Assigned) ||
diff --git a/examples/all-clusters-app/esp32/main/Kconfig.projbuild b/examples/all-clusters-app/esp32/main/Kconfig.projbuild
index b305e3c8863d6a..5bd4461042836f 100644
--- a/examples/all-clusters-app/esp32/main/Kconfig.projbuild
+++ b/examples/all-clusters-app/esp32/main/Kconfig.projbuild
@@ -111,6 +111,11 @@ menu "Demo"
         help
             Each board has a status led, define its pin number.
 
+    config DEINIT_BLE_ON_COMMISSIONING_COMPLETE
+	bool "Disable and DeInit BLE on commissioning complete"
+	default y
+	help 
+             Disable and deinit BLE and reclaim all its memory, once the commissioning is successful and Commissioning complete event is received in the application.	
 endmenu
 
 menu "PW RPC Debug channel"
diff --git a/examples/lighting-app/esp32/main/DeviceCallbacks.cpp b/examples/lighting-app/esp32/main/DeviceCallbacks.cpp
index f1697ec10da1e6..a9187fe053d91e 100644
--- a/examples/lighting-app/esp32/main/DeviceCallbacks.cpp
+++ b/examples/lighting-app/esp32/main/DeviceCallbacks.cpp
@@ -26,9 +26,12 @@
 #include "DeviceCallbacks.h"
 #include "LEDWidget.h"
 
+#include "esp_bt.h"
 #include "esp_err.h"
 #include "esp_heap_caps.h"
 #include "esp_log.h"
+#include "esp_nimble_hci.h"
+#include "nimble/nimble_port.h"
 #include "route_hook/esp_route_hook.h"
 #include <app-common/zap-generated/attribute-id.h>
 #include <app-common/zap-generated/cluster-id.h>
@@ -66,9 +69,27 @@ void DeviceCallbacks::DeviceEventCallback(const ChipDeviceEvent * event, intptr_
         ESP_LOGI(TAG, "CHIPoBLE disconnected");
         break;
 
-    case DeviceEventType::kCommissioningComplete:
+    case DeviceEventType::kCommissioningComplete: {
         ESP_LOGI(TAG, "Commissioning complete");
-        break;
+#if CONFIG_BT_NIMBLE_ENABLED && CONFIG_DEINIT_BLE_ON_COMMISSIONING_COMPLETE
+        int ret = nimble_port_stop();
+        if (ret == 0)
+        {
+            nimble_port_deinit();
+            esp_err_t err = esp_nimble_hci_and_controller_deinit();
+            err += esp_bt_mem_release(ESP_BT_MODE_BLE);
+            if (err == ESP_OK)
+            {
+                ESP_LOGI(TAG, "BLE deinit successful and memory reclaimed");
+            }
+        }
+        else
+        {
+            ESP_LOGW(TAG, "nimble_port_stop() failed");
+        }
+#endif
+    }
+    break;
 
     case DeviceEventType::kInterfaceIpAddressChanged:
         if ((event->InterfaceIpAddressChanged.Type == InterfaceIpChangeType::kIpV4_Assigned) ||
diff --git a/examples/lighting-app/esp32/main/Kconfig.projbuild b/examples/lighting-app/esp32/main/Kconfig.projbuild
index 839c53f3997d5c..7aa1ecd9be7ab7 100644
--- a/examples/lighting-app/esp32/main/Kconfig.projbuild
+++ b/examples/lighting-app/esp32/main/Kconfig.projbuild
@@ -106,4 +106,9 @@ menu "Demo"
        default 4 if RENDEZVOUS_MODE_THREAD
        default 8 if RENDEZVOUS_MODE_ETHERNET
 
+    config DEINIT_BLE_ON_COMMISSIONING_COMPLETE
+	bool "Disable and DeInit BLE on commissioning complete"
+	default y
+	help 
+	    Disable and deinit BLE and reclaim all its memory, once the commissioning is successful and Commissioning complete event is received in the application.
 endmenu