/**+
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  ******************************************************************************+
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  * @file    RTE_FLashAccess.h based on BonexFLashAccess.h based on firmwareEraseProgram.h  +
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  * @author  heinrichs weikamp gmbh+
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  * @version V0.0.1+
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  * @date    20-July-2016+
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  * @version V0.0.1+
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  * @since   20-July-2016+
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  * @brief   erase and program the STM32F4xx internal FLASH memory for compasss calib etc.+
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  *+
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  @verbatim+
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  ==============================================================================+
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                        ##### How to use #####+
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  ==============================================================================+
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  @endverbatim+
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  ******************************************************************************+
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  * @attention+
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  *+
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  * <h2><center>&copy; COPYRIGHT(c) 2016 heinrichs weikamp</center></h2>+
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  *+
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  ******************************************************************************+
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  */+
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+
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/* Define to prevent recursive inclusion -------------------------------------*/+
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#ifndef RTE_FLASH_ACCESS_H+
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#define RTE_FLASH_ACCESS_H+
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+
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#ifdef __cplusplus+
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 extern "C" {+
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#endif+
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+
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/* Includes ------------------------------------------------------------------*/+
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#include "stm32f4xx_hal.h"+
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+
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/* Exported variables --------------------------------------------------------*/+
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/* Exported types ------------------------------------------------------------*/+
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enum+
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{+
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	BFA_OK = 0,		//= HAL_OK+
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	BFA_ERROR 	= (uint8_t)HAL_ERROR,+
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	BFA_BUSY 		= (uint8_t)HAL_BUSY,+
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	BFA_TIMEOUT = (uint8_t)HAL_TIMEOUT,+
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	BFA_EMPTY,+
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};+
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+
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/// split word to 2 bytes+
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typedef struct{+
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uint8_t low; ///< split word to 2 bytes+
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uint8_t hi; ///< split word to 2 bytes+
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} two_byte;+
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+
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+
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/// split word to 2 bytes+
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typedef union{+
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two_byte Byte; ///< split word to 2 bytes+
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uint16_t Word; ///< split word to 2 bytes+
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} tword;+
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+
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+
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/// split signed word to 2 bytes+
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typedef union{+
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two_byte Byte; ///< split signed word to 2 bytes+
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int16_t Word; ///< split signed word to 2 bytes+
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} signed_tword;+
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+
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+
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/// split full32 to 2 words+
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typedef struct{+
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uint16_t low16; ///< split word to 2 bytes+
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uint16_t hi16; ///< split word to 2 bytes+
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} two_word;+
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+
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typedef union{+
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two_word Word16; ///< split word to 2 bytes+
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uint32_t Full32; ///< split word to 2 bytes+
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} tfull32;+
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+
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	 /* Exported functions --------------------------------------------------------*/+
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+
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uint8_t BFA_readLastDataBlock(tfull32 *dataArray4);+
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uint8_t BFA_writeDataBlock(const tfull32 *dataArray4);+
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uint16_t BFA_calc_Block_Checksum(const tfull32 *dataArray4);+
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+
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#ifdef __cplusplus+
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}+
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#endif+
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+
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#endif /* RTE_FLASH_ACCESS_H */+
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+
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/************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/+
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