From 066d9d48a41b814b0b87637d51e617252c6a91ff Mon Sep 17 00:00:00 2001
From: Jm Casler <jm@casler.org>
Date: Mon, 14 Sep 2020 20:27:49 -0700
Subject: [PATCH] New method to deinit the wifi stack.

---
 src/meshwifi/meshwifi.cpp    | 7 +++++++
 src/meshwifi/meshwifi.h      | 2 ++
 src/nimble/BluetoothUtil.cpp | 5 ++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/meshwifi/meshwifi.cpp b/src/meshwifi/meshwifi.cpp
index 46051166..8c5d0a2a 100644
--- a/src/meshwifi/meshwifi.cpp
+++ b/src/meshwifi/meshwifi.cpp
@@ -5,6 +5,12 @@
 #include "NodeDB.h"
 #include "meshwifi/meshhttp.h"
 
+void deinitWifi()
+{
+    WiFi.mode(WIFI_MODE_NULL);
+    DEBUG_MSG("WiFi Turned Off\n");
+}
+
 void initWifi()
 {
     strcpy(radioConfig.preferences.wifi_ssid, WiFi_SSID_NAME);
@@ -68,6 +74,7 @@ void WiFiEvent(WiFiEvent_t event)
 
             // Start web server
             initWebServer();
+            
             break;
         case SYSTEM_EVENT_STA_LOST_IP:
             DEBUG_MSG("Lost IP address and IP address is reset to 0");
diff --git a/src/meshwifi/meshwifi.h b/src/meshwifi/meshwifi.h
index 97903397..a20a114a 100644
--- a/src/meshwifi/meshwifi.h
+++ b/src/meshwifi/meshwifi.h
@@ -8,5 +8,7 @@ void reconnectWiFi();
 
 void initWifi();
 
+void deinitWifi();
+
 void WiFiEvent(WiFiEvent_t event);
 
diff --git a/src/nimble/BluetoothUtil.cpp b/src/nimble/BluetoothUtil.cpp
index 059b2ec2..f5595c5a 100644
--- a/src/nimble/BluetoothUtil.cpp
+++ b/src/nimble/BluetoothUtil.cpp
@@ -518,6 +518,8 @@ void setBluetoothEnable(bool on)
             // ESP_ERROR_CHECK( heap_trace_start(HEAP_TRACE_LEAKS) );
             reinitBluetooth();
 
+            // Don't try to reconnect wifi before bluetooth is configured.
+            //   WiFi is initialized from main.cpp in setup() .
             if (firstTime) {
                 firstTime = 0;
             } else {
@@ -526,7 +528,8 @@ void setBluetoothEnable(bool on)
         } else {
             // We have to totally teardown our bluetooth objects to prevent leaks
             deinitBLE();
-            //WiFi.mode(WIFI_MODE_NULL); // shutdown wifi
+            WiFi.mode(WIFI_MODE_NULL); // shutdown wifi
+
             Serial.printf("Shutdown BT: %u heap size\n", ESP.getFreeHeap());
             // ESP_ERROR_CHECK( heap_trace_stop() );
             // heap_trace_dump();