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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h @ 232:f0069f002c55 div-fixes-4-1
Bugfix: make date/time setting work over reboots
Setting the time/date over the UART interface or by the menu, seems
to work, but a reboot of the RTE brings back strange, seemingly
random, time.
The reason for this is rather simple. In the settings, a time
is stored, based on some flawed logic, and that time was restored
on reboot. There is no reason to store any time, when the moment of
restoring it is unrelated in time. So, the fix is simple: do not
set time (in the RTC) based on some time from the past. The whole idea
of a RTC is that it does preserve the time for you, as long its
powered. Any attempt to do things better using stored time data is
futile (and nonsense).
And while working on his, also kick out some useless code from the RTE.
There is no reason to initialize the time on the RTC to some random
time/date in the past. A zero data/time is as good and any random
date.
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author | Jan Mulder <jlmulder@xs4all.nl> |
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date | Wed, 03 Apr 2019 21:11:56 +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>© 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****/ |