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38
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1 /**
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2 ******************************************************************************
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3 * @file system_stm32f4xx.h
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4 * @author MCD Application Team
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5 * @version V1.0.0
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6 * @date 30-September-2011
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7 * @brief CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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17 *
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18 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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19 ******************************************************************************
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20 */
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21
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22 /** @addtogroup CMSIS
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23 * @{
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24 */
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25
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26 /** @addtogroup stm32f4xx_system
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27 * @{
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28 */
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29
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30 /**
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31 * @brief Define to prevent recursive inclusion
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32 */
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33 #ifndef SYSTEM_STM32F4XX_H
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34 #define SYSTEM_STM32F4XX_H
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35
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36 #ifdef __cplusplus
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37 extern "C" {
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38 #endif
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39
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40 /** @addtogroup STM32F4xx_System_Includes
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41 * @{
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42 */
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43
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44 /**
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45 * @}
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46 */
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47
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48
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49 /** @addtogroup STM32F4xx_System_Exported_types
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50 * @{
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51 */
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52
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53 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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54
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55
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56 /**
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57 * @}
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58 */
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59
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60 /** @addtogroup STM32F4xx_System_Exported_Constants
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61 * @{
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62 */
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63
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64 /**
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65 * @}
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66 */
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67
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68 /** @addtogroup STM32F4xx_System_Exported_Macros
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69 * @{
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70 */
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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 /** @addtogroup STM32F4xx_System_Exported_Functions
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77 * @{
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78 */
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79
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80 extern void SystemInit(void);
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81 extern void SystemCoreClockUpdate(void);
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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 #ifdef __cplusplus
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87 }
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88 #endif
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89
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90 #endif /* SYSTEM_STM32F4XX_H */
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91
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92 /**
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93 * @}
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94 */
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95
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96 /**
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97 * @}
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98 */
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99 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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