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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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TARGET_MTS_DRAGONFLY_L471QG/TOOLCHAIN_GCC_ARM/system_stm32l4xx.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /**
AnnaBridge 171:3a7713b1edbc 2 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 3 * @file system_stm32l4xx.h
AnnaBridge 171:3a7713b1edbc 4 * @author MCD Application Team
AnnaBridge 171:3a7713b1edbc 5 * @version V1.3.1
AnnaBridge 171:3a7713b1edbc 6 * @date 21-April-2017
AnnaBridge 171:3a7713b1edbc 7 * @brief CMSIS Cortex-M4 Device System Source File for STM32L4xx devices.
AnnaBridge 171:3a7713b1edbc 8 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 9 * @attention
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 171:3a7713b1edbc 12 *
AnnaBridge 171:3a7713b1edbc 13 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 14 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 15 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 171:3a7713b1edbc 16 * this list of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 171:3a7713b1edbc 18 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 171:3a7713b1edbc 19 * and/or other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 171:3a7713b1edbc 21 * may be used to endorse or promote products derived from this software
AnnaBridge 171:3a7713b1edbc 22 * without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 23 *
AnnaBridge 171:3a7713b1edbc 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 171:3a7713b1edbc 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 171:3a7713b1edbc 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 171:3a7713b1edbc 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 171:3a7713b1edbc 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 171:3a7713b1edbc 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 171:3a7713b1edbc 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 171:3a7713b1edbc 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 171:3a7713b1edbc 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 34 *
AnnaBridge 171:3a7713b1edbc 35 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 36 */
AnnaBridge 171:3a7713b1edbc 37
AnnaBridge 171:3a7713b1edbc 38 /** @addtogroup CMSIS
AnnaBridge 171:3a7713b1edbc 39 * @{
AnnaBridge 171:3a7713b1edbc 40 */
AnnaBridge 171:3a7713b1edbc 41
AnnaBridge 171:3a7713b1edbc 42 /** @addtogroup stm32l4xx_system
AnnaBridge 171:3a7713b1edbc 43 * @{
AnnaBridge 171:3a7713b1edbc 44 */
AnnaBridge 171:3a7713b1edbc 45
AnnaBridge 171:3a7713b1edbc 46 /**
AnnaBridge 171:3a7713b1edbc 47 * @brief Define to prevent recursive inclusion
AnnaBridge 171:3a7713b1edbc 48 */
AnnaBridge 171:3a7713b1edbc 49 #ifndef __SYSTEM_STM32L4XX_H
AnnaBridge 171:3a7713b1edbc 50 #define __SYSTEM_STM32L4XX_H
AnnaBridge 171:3a7713b1edbc 51
AnnaBridge 171:3a7713b1edbc 52 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 53 extern "C" {
AnnaBridge 171:3a7713b1edbc 54 #endif
AnnaBridge 171:3a7713b1edbc 55
AnnaBridge 171:3a7713b1edbc 56 /** @addtogroup STM32L4xx_System_Includes
AnnaBridge 171:3a7713b1edbc 57 * @{
AnnaBridge 171:3a7713b1edbc 58 */
AnnaBridge 171:3a7713b1edbc 59
AnnaBridge 171:3a7713b1edbc 60 /**
AnnaBridge 171:3a7713b1edbc 61 * @}
AnnaBridge 171:3a7713b1edbc 62 */
AnnaBridge 171:3a7713b1edbc 63
AnnaBridge 171:3a7713b1edbc 64
AnnaBridge 171:3a7713b1edbc 65 /** @addtogroup STM32L4xx_System_Exported_Variables
AnnaBridge 171:3a7713b1edbc 66 * @{
AnnaBridge 171:3a7713b1edbc 67 */
AnnaBridge 171:3a7713b1edbc 68 /* The SystemCoreClock variable is updated in three ways:
AnnaBridge 171:3a7713b1edbc 69 1) by calling CMSIS function SystemCoreClockUpdate()
AnnaBridge 171:3a7713b1edbc 70 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
AnnaBridge 171:3a7713b1edbc 71 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
AnnaBridge 171:3a7713b1edbc 72 Note: If you use this function to configure the system clock; then there
AnnaBridge 171:3a7713b1edbc 73 is no need to call the 2 first functions listed above, since SystemCoreClock
AnnaBridge 171:3a7713b1edbc 74 variable is updated automatically.
AnnaBridge 171:3a7713b1edbc 75 */
AnnaBridge 171:3a7713b1edbc 76 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
AnnaBridge 171:3a7713b1edbc 77
AnnaBridge 171:3a7713b1edbc 78 extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
AnnaBridge 171:3a7713b1edbc 79 extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */
AnnaBridge 171:3a7713b1edbc 80 extern const uint32_t MSIRangeTable[12]; /*!< MSI ranges table values */
AnnaBridge 171:3a7713b1edbc 81
AnnaBridge 171:3a7713b1edbc 82 /**
AnnaBridge 171:3a7713b1edbc 83 * @}
AnnaBridge 171:3a7713b1edbc 84 */
AnnaBridge 171:3a7713b1edbc 85
AnnaBridge 171:3a7713b1edbc 86 /** @addtogroup STM32L4xx_System_Exported_Constants
AnnaBridge 171:3a7713b1edbc 87 * @{
AnnaBridge 171:3a7713b1edbc 88 */
AnnaBridge 171:3a7713b1edbc 89
AnnaBridge 171:3a7713b1edbc 90 /**
AnnaBridge 171:3a7713b1edbc 91 * @}
AnnaBridge 171:3a7713b1edbc 92 */
AnnaBridge 171:3a7713b1edbc 93
AnnaBridge 171:3a7713b1edbc 94 /** @addtogroup STM32L4xx_System_Exported_Macros
AnnaBridge 171:3a7713b1edbc 95 * @{
AnnaBridge 171:3a7713b1edbc 96 */
AnnaBridge 171:3a7713b1edbc 97
AnnaBridge 171:3a7713b1edbc 98 /**
AnnaBridge 171:3a7713b1edbc 99 * @}
AnnaBridge 171:3a7713b1edbc 100 */
AnnaBridge 171:3a7713b1edbc 101
AnnaBridge 171:3a7713b1edbc 102 /** @addtogroup STM32L4xx_System_Exported_Functions
AnnaBridge 171:3a7713b1edbc 103 * @{
AnnaBridge 171:3a7713b1edbc 104 */
AnnaBridge 171:3a7713b1edbc 105
AnnaBridge 171:3a7713b1edbc 106 extern void SystemInit(void);
AnnaBridge 171:3a7713b1edbc 107 extern void SystemCoreClockUpdate(void);
AnnaBridge 171:3a7713b1edbc 108 extern void SetSysClock(void);
AnnaBridge 171:3a7713b1edbc 109
AnnaBridge 171:3a7713b1edbc 110 /**
AnnaBridge 171:3a7713b1edbc 111 * @}
AnnaBridge 171:3a7713b1edbc 112 */
AnnaBridge 171:3a7713b1edbc 113
AnnaBridge 171:3a7713b1edbc 114 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 115 }
AnnaBridge 171:3a7713b1edbc 116 #endif
AnnaBridge 171:3a7713b1edbc 117
AnnaBridge 171:3a7713b1edbc 118 #endif /*__SYSTEM_STM32L4XX_H */
AnnaBridge 171:3a7713b1edbc 119
AnnaBridge 171:3a7713b1edbc 120 /**
AnnaBridge 171:3a7713b1edbc 121 * @}
AnnaBridge 171:3a7713b1edbc 122 */
AnnaBridge 171:3a7713b1edbc 123
AnnaBridge 171:3a7713b1edbc 124 /**
AnnaBridge 171:3a7713b1edbc 125 * @}
AnnaBridge 171:3a7713b1edbc 126 */
AnnaBridge 171:3a7713b1edbc 127 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/