Mercurial > pub > halpp
diff l476rg-hal-test/Drivers/CMSIS/Device/ST/STM32L4xx/Include/system_stm32l4xx.h @ 0:32a3b1785697
a rough draft of Hardware Abstraction Layer for C++
STM32L476RG drivers
author | cin |
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date | Thu, 12 Jan 2017 02:45:43 +0300 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/l476rg-hal-test/Drivers/CMSIS/Device/ST/STM32L4xx/Include/system_stm32l4xx.h Thu Jan 12 02:45:43 2017 +0300 @@ -0,0 +1,125 @@ +/** + ****************************************************************************** + * @file system_stm32l4xx.h + * @author MCD Application Team + * @version V1.3.0RC5 + * @date 02-September-2016 + * @brief CMSIS Cortex-M4 Device System Source File for STM32L4xx devices. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @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****/