1 files changed, 5 insertions, 0 deletions
diff --git a/Projects/P-NUCLEO-WB55.Nucleo/Applications/Mac_802_15_4/Mac_802_15_4_RFD/Core/Src/main.c b/Projects/P-NUCLEO-WB55.Nucleo/Applications/Mac_802_15_4/Mac_802_15_4_RFD/Core/Src/main.c
index f9ba13337..b98a4946a 100644
--- a/Projects/P-NUCLEO-WB55.Nucleo/Applications/Mac_802_15_4/Mac_802_15_4_RFD/Core/Src/main.c
+++ b/Projects/P-NUCLEO-WB55.Nucleo/Applications/Mac_802_15_4/Mac_802_15_4_RFD/Core/Src/main.c
@@ -59,6 +59,11 @@ static void Init_Debug( void );
 
 int main(void)
 {
+  /**
+   * The OPTVERR flag is wrongly set at power on
+   * It shall be cleared before using any HAL_FLASH_xxx() api
+   */
+  __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);
 
   /* Initialize the HAL */
   HAL_Init();