From 57b0eb5d43e4324c2c52282925ddc63fc36df783 Mon Sep 17 00:00:00 2001 From: Matt Baker Date: Thu, 22 Apr 2021 13:25:45 -0700 Subject: stm32l4: copy libs from STM32CubeL4 v1.17.0 Signed-off-by: Matt Baker --- lib/stm32l4/include/system_stm32l4xx.h | 107 +++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100755 lib/stm32l4/include/system_stm32l4xx.h (limited to 'lib/stm32l4/include/system_stm32l4xx.h') diff --git a/lib/stm32l4/include/system_stm32l4xx.h b/lib/stm32l4/include/system_stm32l4xx.h new file mode 100755 index 00000000..00166a51 --- /dev/null +++ b/lib/stm32l4/include/system_stm32l4xx.h @@ -0,0 +1,107 @@ +/** + ****************************************************************************** + * @file system_stm32l4xx.h + * @author MCD Application Team + * @brief CMSIS Cortex-M4 Device System Source File for STM32L4xx devices. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2017 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under Apache License, Version 2.0, + * 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/Apache-2.0 + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l4xx_system + * @{ + */ + +/** + * @brief Define to prevent recursive inclusion + */ +#ifndef __SYSTEM_STM32L4XX_H +#define __SYSTEM_STM32L4XX_H + +#ifdef __cplusplus + extern "C" { +#endif + +/** @addtogroup STM32L4xx_System_Includes + * @{ + */ + +/** + * @} + */ + + +/** @addtogroup STM32L4xx_System_Exported_Variables + * @{ + */ + /* The SystemCoreClock 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 uint32_t MSIRangeTable[12]; /*!< MSI ranges table values */ + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Exported_Constants + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Exported_Functions + * @{ + */ + +extern void SystemInit(void); +extern void SystemCoreClockUpdate(void); +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /*__SYSTEM_STM32L4XX_H */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3-70-g09d2