--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Small_CPU/Inc/RTE_FlashAccess.h	Sat Apr 28 11:52:34 2018 +0200
@@ -0,0 +1,57 @@
+/**
+  ******************************************************************************
+  * @file    RTE_FLashAccess.h based on BonexFLashAccess.h based on firmwareEraseProgram.h  
+  * @author  heinrichs weikamp gmbh
+  * @version V0.0.1
+  * @date    20-July-2016
+  * @version V0.0.1
+  * @since   20-July-2016
+  * @brief   erase and program the STM32F4xx internal FLASH memory for compasss calib etc.
+  *
+  @verbatim
+  ==============================================================================
+                        ##### How to use #####
+  ==============================================================================
+  @endverbatim
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 heinrichs weikamp</center></h2>
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef RTE_FLASH_ACCESS_H
+#define RTE_FLASH_ACCESS_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+
+/* Exported variables --------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+enum
+{
+	BFA_OK = 0,		//= HAL_OK
+	BFA_ERROR 	= (uint8_t)HAL_ERROR,
+	BFA_BUSY 		= (uint8_t)HAL_BUSY,
+	BFA_TIMEOUT = (uint8_t)HAL_TIMEOUT,
+	BFA_EMPTY,
+};
+
+	 /* Exported functions --------------------------------------------------------*/
+
+uint8_t BFA_readLastDataBlock(uint32_t *dataArray4);
+uint8_t BFA_writeDataBlock(const uint32_t *dataArray4);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_FLASH_ACCESS_H */
+
+/************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/