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2 | mjames | 1 | /** |
2 | ****************************************************************************** |
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3 | * @file system_stm32f0xx.h |
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4 | * @author MCD Application Team |
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5 | * @brief CMSIS Cortex-M0 Device System Source File for STM32F0xx devices. |
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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) 2016 STMicroelectronics. |
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10 | * All rights reserved.</center></h2> |
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11 | * |
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12 | * This software component is licensed by ST under BSD 3-Clause license, |
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13 | * the "License"; You may not use this file except in compliance with the |
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14 | * License. You may obtain a copy of the License at: |
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15 | * opensource.org/licenses/BSD-3-Clause |
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16 | * |
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17 | ****************************************************************************** |
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18 | */ |
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19 | |||
20 | /** @addtogroup CMSIS |
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21 | * @{ |
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22 | */ |
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23 | |||
24 | /** @addtogroup stm32f0xx_system |
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25 | * @{ |
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26 | */ |
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27 | |||
28 | /** |
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29 | * @brief Define to prevent recursive inclusion |
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30 | */ |
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31 | #ifndef __SYSTEM_STM32F0XX_H |
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32 | #define __SYSTEM_STM32F0XX_H |
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33 | |||
34 | #ifdef __cplusplus |
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35 | extern "C" { |
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36 | #endif |
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37 | |||
38 | /** @addtogroup STM32F0xx_System_Includes |
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39 | * @{ |
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40 | */ |
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41 | |||
42 | /** |
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43 | * @} |
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44 | */ |
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45 | |||
46 | |||
47 | /** @addtogroup STM32F0xx_System_Exported_types |
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48 | * @{ |
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49 | */ |
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50 | /* This variable is updated in three ways: |
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51 | 1) by calling CMSIS function SystemCoreClockUpdate() |
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52 | 3) by calling HAL API function HAL_RCC_GetHCLKFreq() |
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53 | 3) by calling HAL API function HAL_RCC_ClockConfig() |
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54 | Note: If you use this function to configure the system clock; then there |
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55 | is no need to call the 2 first functions listed above, since SystemCoreClock |
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56 | variable is updated automatically. |
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57 | */ |
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58 | extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
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59 | extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */ |
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60 | extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */ |
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61 | |||
62 | /** |
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63 | * @} |
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64 | */ |
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65 | |||
66 | /** @addtogroup STM32F0xx_System_Exported_Constants |
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67 | * @{ |
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68 | */ |
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69 | |||
70 | /** |
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71 | * @} |
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72 | */ |
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73 | |||
74 | /** @addtogroup STM32F0xx_System_Exported_Macros |
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75 | * @{ |
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76 | */ |
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77 | |||
78 | /** |
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79 | * @} |
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80 | */ |
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81 | |||
82 | /** @addtogroup STM32F0xx_System_Exported_Functions |
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83 | * @{ |
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84 | */ |
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85 | |||
86 | extern void SystemInit(void); |
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87 | extern void SystemCoreClockUpdate(void); |
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88 | /** |
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89 | * @} |
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90 | */ |
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91 | |||
92 | #ifdef __cplusplus |
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93 | } |
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94 | #endif |
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95 | |||
96 | #endif /*__SYSTEM_STM32F0XX_H */ |
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97 | |||
98 | /** |
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99 | * @} |
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100 | */ |
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101 | |||
102 | /** |
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103 | * @} |
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104 | */ |
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105 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |