| 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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