From 5ba8c67706f4f5e1a16d4aebed051d1e5789d1fe Mon Sep 17 00:00:00 2001
From: Andrea Gilardoni <a.gilardoni@arduino.cc>
Date: Mon, 23 Sep 2024 14:03:08 +0200
Subject: [PATCH] erasing flash before creating a new partitioning scheme

---
 .../STM32H747_System/examples/QSPIFormat/QSPIFormat.ino     | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libraries/STM32H747_System/examples/QSPIFormat/QSPIFormat.ino b/libraries/STM32H747_System/examples/QSPIFormat/QSPIFormat.ino
index caa7fc4a1..2ffe97591 100644
--- a/libraries/STM32H747_System/examples/QSPIFormat/QSPIFormat.ino
+++ b/libraries/STM32H747_System/examples/QSPIFormat/QSPIFormat.ino
@@ -60,6 +60,12 @@ void setup() {
   Serial.println("Do you want to proceed? Y/[n]");
 
   if (true == waitResponse()) {
+    if (root.init() != QSPIF_BD_ERROR_OK) {
+      Serial.println(F("Error: QSPI init failure."));
+      return;
+    }
+
+    root.erase(0, root.size());
     mbed::MBRBlockDevice::partition(&root, 1, 0x0B, 0, 1024 * 1024);
     if(default_scheme) {
       mbed::MBRBlockDevice::partition(&root, 3, 0x0B, 14 * 1024 * 1024, 14 * 1024 * 1024);