| [9] | 1 | /** |
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| 2 | ****************************************************************************** |
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| 3 | * @file system_stm32c0xx.h |
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| 4 | * @author MCD Application Team |
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| 5 | * @brief CMSIS Cortex-M0+ Device System Source File for STM32C0xx devices. |
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| 6 | ****************************************************************************** |
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| 7 | * @attention |
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| 8 | * |
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| 9 | * Copyright (c) 2022 STMicroelectronics. |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * This software is licensed under terms that can be found in the LICENSE file |
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| 13 | * in the root directory of this software component. |
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| 14 | * If no LICENSE file comes with this software, it is provided AS-IS. |
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| 15 | * |
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| 16 | ****************************************************************************** |
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| 17 | */ |
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| 18 | |
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| 19 | /** @addtogroup CMSIS |
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| 20 | * @{ |
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| 21 | */ |
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| 22 | |
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| 23 | /** @addtogroup stm32c0xx_system |
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| 24 | * @{ |
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| 25 | */ |
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| 26 | |
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| 27 | /** |
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| 28 | * @brief Define to prevent recursive inclusion |
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| 29 | */ |
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| 30 | #ifndef SYSTEM_STM32C0XX_H |
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| 31 | #define SYSTEM_STM32C0XX_H |
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| 32 | |
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| 33 | #ifdef __cplusplus |
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| 34 | extern "C" { |
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| 35 | #endif |
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| 36 | |
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| 37 | /** @addtogroup STM32C0xx_System_Includes |
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| 38 | * @{ |
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| 39 | */ |
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| 40 | |
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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 | /** @addtogroup STM32C0xx_System_Exported_types |
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| 47 | * @{ |
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| 48 | */ |
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| 49 | /* This variable is updated in three ways: |
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| 50 | 1) by calling CMSIS function SystemCoreClockUpdate() |
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| 51 | 2) by calling HAL API function HAL_RCC_GetSysClockFreq() |
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| 52 | 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency |
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| 53 | Note: If you use this function to configure the system clock; then there |
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| 54 | is no need to call the 2 first functions listed above, since SystemCoreClock |
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| 55 | variable is updated automatically. |
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| 56 | */ |
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| 57 | extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
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| 58 | |
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| 59 | extern const uint32_t AHBPrescTable[16]; /*!< AHB prescalers table values */ |
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| 60 | extern const uint32_t APBPrescTable[8]; /*!< APB prescalers table values */ |
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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 | /** @addtogroup STM32C0xx_System_Exported_Constants |
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| 67 | * @{ |
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| 68 | */ |
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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 | /** @addtogroup STM32C0xx_System_Exported_Macros |
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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 | /** @addtogroup STM32C0xx_System_Exported_Functions |
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| 83 | * @{ |
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| 84 | */ |
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| 85 | |
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| 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 | |
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| 92 | #ifdef __cplusplus |
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| 93 | } |
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| 94 | #endif |
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| 95 | |
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| 96 | #endif /*SYSTEM_STM32C0XX_H */ |
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| 97 | |
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| 98 | /** |
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| 99 | * @} |
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| 100 | */ |
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| 101 | |
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| 102 | /** |
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| 103 | * @} |
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| 104 | */ |
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| 105 | |
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