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mbed-os / targets / TARGET_STM / TARGET_STM32L0 / TARGET_MCU_STM32L071xx / device / system_stm32l0xx.h
@Andrea Gilardoni Andrea Gilardoni on 1 Sep 2020 2 KB fixing SPDX identifiers in all files
/* mbed Microcontroller Library
 * SPDX-License-Identifier: BSD-3-Clause
 ******************************************************************************
 *
 * Copyright (c) 2020 STMicroelectronics. 
 * All rights reserved.
 *
 * This software component is licensed by ST under BSD 3-Clause license,
 * the "License"; You may not use this file except in compliance with the 
 * License. You may obtain a copy of the License at:
 *                        opensource.org/licenses/BSD-3-Clause
 *
 ******************************************************************************
 */

/** @addtogroup CMSIS
  * @{
  */

/** @addtogroup stm32l0xx_system
  * @{
  */

/**
  * @brief Define to prevent recursive inclusion
  */
#ifndef __SYSTEM_STM32L0XX_H
#define __SYSTEM_STM32L0XX_H

#ifdef __cplusplus
 extern "C" {
#endif

/** @addtogroup STM32L0xx_System_Includes
  * @{
  */

/**
  * @}
  */


/** @addtogroup STM32L0xx_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 uint8_t AHBPrescTable[16];   /*!< AHB prescalers table values */
extern const uint8_t APBPrescTable[8];    /*!< APB prescalers table values */
extern const uint8_t PLLMulTable[9];      /*!< PLL multipiers table values */

/**
  * @}
  */

/** @addtogroup STM32L0xx_System_Exported_Constants
  * @{
  */

/**
  * @}
  */

/** @addtogroup STM32L0xx_System_Exported_Macros
  * @{
  */

/**
  * @}
  */

/** @addtogroup STM32L0xx_System_Exported_Functions
  * @{
  */

extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
extern void SetSysClock(void);

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /*__SYSTEM_STM32L0XX_H */

/**
  * @}
  */

/**
  * @}
  */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/