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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h @ 319:d8e86af78474 fix-version

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bugfix: correct packed main version number in dive header This fixes a rather mysterious bug. Users report that up to 1.3.5 beta, a correct version number is shown in libdivecomputer based applications (like in Subsurface, in the extra data tab). Careful examining the code in both libdivecomputer and the firmware shows a subtle error in the bit mask and shift operation to pack a full X.Y.Z.beta version number in 2 bytes (as is available in the dive header) in the firmware end (as the libdivecomputer code looks sane, assuming this is the right way to pack things). Likely, this bug crept in in the conversion from the closed source Keil period into the open source GCC setup of the code base. So its impossible to document the exact history of this problem here. Further notice that the main version number is only 1 of 3 version numbers, denoting the full version of the firmware (besides Font and RTE). Finally notice that this way of packing is limited to 2^5 bits (decimal 32), so we could easily build a 1.4.21, but not a 1.4.55. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Wed, 19 Jun 2019 14:31:50 +0200
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_flash_ramfunc.h
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4 * @author MCD Application Team
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5 * @brief Header file of FLASH RAMFUNC driver.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35
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36 /* Define to prevent recursive inclusion -------------------------------------*/
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37 #ifndef __STM32F4xx_FLASH_RAMFUNC_H
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38 #define __STM32F4xx_FLASH_RAMFUNC_H
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43 #if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F411xE) || defined(STM32F446xx) || defined(STM32F412Zx) ||\
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44 defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx)
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32f4xx_hal_def.h"
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48
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49 /** @addtogroup STM32F4xx_HAL_Driver
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50 * @{
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51 */
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52
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53 /** @addtogroup FLASH_RAMFUNC
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54 * @{
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55 */
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56
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57 /* Exported types ------------------------------------------------------------*/
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58 /* Exported macro ------------------------------------------------------------*/
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59 /* Exported functions --------------------------------------------------------*/
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60 /** @addtogroup FLASH_RAMFUNC_Exported_Functions
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61 * @{
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62 */
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63
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64 /** @addtogroup FLASH_RAMFUNC_Exported_Functions_Group1
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65 * @{
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66 */
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67 __RAM_FUNC HAL_StatusTypeDef HAL_FLASHEx_StopFlashInterfaceClk(void);
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68 __RAM_FUNC HAL_StatusTypeDef HAL_FLASHEx_StartFlashInterfaceClk(void);
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69 __RAM_FUNC HAL_StatusTypeDef HAL_FLASHEx_EnableFlashSleepMode(void);
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70 __RAM_FUNC HAL_StatusTypeDef HAL_FLASHEx_DisableFlashSleepMode(void);
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71 /**
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72 * @}
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73 */
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74
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75 /**
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76 * @}
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77 */
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78
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79 /**
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80 * @}
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81 */
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82
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83 /**
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84 * @}
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85 */
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86
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87 #endif /* STM32F410xx || STM32F411xE || STM32F446xx || STM32F412Zx || STM32F412Vx || STM32F412Rx || STM32F412Cx */
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88 #ifdef __cplusplus
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89 }
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90 #endif
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91
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92
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93 #endif /* __STM32F4xx_FLASH_RAMFUNC_H */
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94
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95 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/