From 57248ecbf42b4e2f5fbe9c07b21971f164a0b4a8 Mon Sep 17 00:00:00 2001
From: Florian <1technophile@users.noreply.github.com>
Date: Fri, 28 Apr 2023 19:53:13 -0500
Subject: [PATCH] [BT] More aggressive  memory release when stopping process

To enable smoother OTA
---
 main/ZgatewayBT.ino | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/main/ZgatewayBT.ino b/main/ZgatewayBT.ino
index ca1a44f187..0cdfa9a181 100644
--- a/main/ZgatewayBT.ino
+++ b/main/ZgatewayBT.ino
@@ -821,14 +821,16 @@ void BLEconnect() {
 }
 
 void stopProcessing() {
-  Log.notice(F("Stop BLE processing" CR));
   ProcessLock = true;
   delay(BTConfig.scanDuration < 2000 ? BTConfig.scanDuration : 2000);
-  //Suspending and deleting tasks to free memory for OTA operations
+  //Suspending, deleting tasks and stopping BT to free memory
   vTaskSuspend(xCoreTaskHandle);
   vTaskDelete(xCoreTaskHandle);
   vTaskSuspend(xProcBLETaskHandle);
   vTaskDelete(xProcBLETaskHandle);
+  if (BLEDevice::getInitialized()) BLEDevice::deinit(true);
+  esp_bt_mem_release(ESP_BT_MODE_BTDM);
+  Log.notice(F("BLE gateway stopped, free heap: %d" CR), ESP.getFreeHeap());
 }
 
 void coreTask(void* pvParameters) {
@@ -886,8 +888,7 @@ void deepSleep(uint64_t time_in_us) {
 #    endif
 
   Log.trace(F("Deactivating ESP32 components" CR));
-  if (BLEDevice::getInitialized()) BLEDevice::deinit(true);
-  esp_bt_mem_release(ESP_BT_MODE_BTDM);
+  stopProcessing();
   // Ignore the deprecated warning, this call is necessary here.
 #    pragma GCC diagnostic push
 #    pragma GCC diagnostic ignored "-Wdeprecated-declarations"