From 8d3349d0802baefa858412f79f0e25f2506d6273 Mon Sep 17 00:00:00 2001
From: George Alexandre Silva <nitroxgas@gmail.com>
Date: Sun, 5 May 2024 19:03:34 -0300
Subject: [PATCH] Free SDCard heap space

---
 src/drivers/storage/SDCard.cpp | 10 ++++++++++
 src/drivers/storage/SDCard.h   |  1 +
 src/wManager.cpp               |  5 ++++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/drivers/storage/SDCard.cpp b/src/drivers/storage/SDCard.cpp
index e21b7a0..1cc773f 100644
--- a/src/drivers/storage/SDCard.cpp
+++ b/src/drivers/storage/SDCard.cpp
@@ -57,6 +57,15 @@ bool SDCard::cardBusy()
     return cardBusy_;
 }
 
+/// @brief End the card to free heap space.
+void SDCard::terminate()
+{
+    iSD_->end();
+#ifdef BUILD_SDSPI
+    ispi_->end(); 
+#endif   
+}
+
 /// @brief Transfer settings from config file on a SD card to the device.
 /// @param nvMemory* where to save
 /// @param TSettings* passing a struct is required, to save memory
@@ -203,5 +212,6 @@ bool SDCard::loadConfigFile(TSettings* Settings) { return false; }
 bool SDCard::initSDcard() { return false; }
 bool SDCard::cardAvailable() { return false; }
 bool SDCard::cardBusy() { return false; }
+void SDCard::terminate() {};
 
 #endif //BUILD_SDMMC
diff --git a/src/drivers/storage/SDCard.h b/src/drivers/storage/SDCard.h
index 768fc07..65b5b50 100644
--- a/src/drivers/storage/SDCard.h
+++ b/src/drivers/storage/SDCard.h
@@ -55,6 +55,7 @@ public:
     bool loadConfigFile(TSettings* Settings);
     bool cardAvailable();
     bool cardBusy();
+    void terminate();
 private:
     bool initSDcard();
     bool cardInitialized_;
diff --git a/src/wManager.cpp b/src/wManager.cpp
index fa336af..3ff86f0 100644
--- a/src/wManager.cpp
+++ b/src/wManager.cpp
@@ -108,7 +108,10 @@ void init_WifiManager()
             forceConfig = true;
         }
     };
-
+    
+    // Free the memory from SDCard class
+    SDCrd.terminate();
+    
     // Reset settings (only for development)
     //wm.resetSettings();