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+/**
+ ******************************************************************************
+ * @file system_stm32g0xx.h
+ * @author MCD Application Team
+ * @brief CMSIS Cortex-M0+ Device System Source File for STM32G0xx devices.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2018-2021 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32g0xx_system
+ * @{
+ */
+
+/**
+ * @brief Define to prevent recursive inclusion
+ */
+#ifndef SYSTEM_STM32G0XX_H
+#define SYSTEM_STM32G0XX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** @addtogroup STM32G0xx_System_Includes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @addtogroup STM32G0xx_System_Exported_types
+ * @{
+ */
+ /* This variable is updated in three ways:
+ 1) by calling CMSIS function SystemCoreClockUpdate()
+ 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
+ 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+ Note: If you use this function to configure the system clock; then there
+ is no need to call the 2 first functions listed above, since SystemCoreClock
+ variable is updated automatically.
+ */
+extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
+
+extern const uint32_t AHBPrescTable[16]; /*!< AHB prescalers table values */
+extern const uint32_t APBPrescTable[8]; /*!< APB prescalers table values */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32G0xx_System_Exported_Constants
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32G0xx_System_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32G0xx_System_Exported_Functions
+ * @{
+ */
+
+extern void SystemInit(void);
+extern void SystemCoreClockUpdate(void);
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*SYSTEM_STM32G0XX_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */