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cmsis/BUILD/mbed/TARGET_DISCO_L496AG/TOOLCHAIN_IAR/system_stm32l4xx.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /**
AnnaBridge 189:f392fc9709a3 2 ******************************************************************************
AnnaBridge 189:f392fc9709a3 3 * @file system_stm32l4xx.h
AnnaBridge 189:f392fc9709a3 4 * @author MCD Application Team
AnnaBridge 189:f392fc9709a3 5 * @brief CMSIS Cortex-M4 Device System Source File for STM32L4xx devices.
AnnaBridge 189:f392fc9709a3 6 ******************************************************************************
AnnaBridge 189:f392fc9709a3 7 * @attention
AnnaBridge 189:f392fc9709a3 8 *
AnnaBridge 189:f392fc9709a3 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 189:f392fc9709a3 10 *
AnnaBridge 189:f392fc9709a3 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 189:f392fc9709a3 12 * are permitted provided that the following conditions are met:
AnnaBridge 189:f392fc9709a3 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 189:f392fc9709a3 14 * this list of conditions and the following disclaimer.
AnnaBridge 189:f392fc9709a3 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 189:f392fc9709a3 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 189:f392fc9709a3 17 * and/or other materials provided with the distribution.
AnnaBridge 189:f392fc9709a3 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 189:f392fc9709a3 19 * may be used to endorse or promote products derived from this software
AnnaBridge 189:f392fc9709a3 20 * without specific prior written permission.
AnnaBridge 189:f392fc9709a3 21 *
AnnaBridge 189:f392fc9709a3 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 189:f392fc9709a3 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 189:f392fc9709a3 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 189:f392fc9709a3 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 189:f392fc9709a3 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 189:f392fc9709a3 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 189:f392fc9709a3 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 189:f392fc9709a3 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 189:f392fc9709a3 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 189:f392fc9709a3 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 189:f392fc9709a3 32 *
AnnaBridge 189:f392fc9709a3 33 ******************************************************************************
AnnaBridge 189:f392fc9709a3 34 */
AnnaBridge 189:f392fc9709a3 35
AnnaBridge 189:f392fc9709a3 36 /** @addtogroup CMSIS
AnnaBridge 189:f392fc9709a3 37 * @{
AnnaBridge 189:f392fc9709a3 38 */
AnnaBridge 189:f392fc9709a3 39
AnnaBridge 189:f392fc9709a3 40 /** @addtogroup stm32l4xx_system
AnnaBridge 189:f392fc9709a3 41 * @{
AnnaBridge 189:f392fc9709a3 42 */
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 /**
AnnaBridge 189:f392fc9709a3 45 * @brief Define to prevent recursive inclusion
AnnaBridge 189:f392fc9709a3 46 */
AnnaBridge 189:f392fc9709a3 47 #ifndef __SYSTEM_STM32L4XX_H
AnnaBridge 189:f392fc9709a3 48 #define __SYSTEM_STM32L4XX_H
AnnaBridge 189:f392fc9709a3 49
AnnaBridge 189:f392fc9709a3 50 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 51 extern "C" {
AnnaBridge 189:f392fc9709a3 52 #endif
AnnaBridge 189:f392fc9709a3 53
AnnaBridge 189:f392fc9709a3 54 /** @addtogroup STM32L4xx_System_Includes
AnnaBridge 189:f392fc9709a3 55 * @{
AnnaBridge 189:f392fc9709a3 56 */
AnnaBridge 189:f392fc9709a3 57
AnnaBridge 189:f392fc9709a3 58 /**
AnnaBridge 189:f392fc9709a3 59 * @}
AnnaBridge 189:f392fc9709a3 60 */
AnnaBridge 189:f392fc9709a3 61
AnnaBridge 189:f392fc9709a3 62
AnnaBridge 189:f392fc9709a3 63 /** @addtogroup STM32L4xx_System_Exported_Variables
AnnaBridge 189:f392fc9709a3 64 * @{
AnnaBridge 189:f392fc9709a3 65 */
AnnaBridge 189:f392fc9709a3 66 /* The SystemCoreClock variable is updated in three ways:
AnnaBridge 189:f392fc9709a3 67 1) by calling CMSIS function SystemCoreClockUpdate()
AnnaBridge 189:f392fc9709a3 68 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
AnnaBridge 189:f392fc9709a3 69 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
AnnaBridge 189:f392fc9709a3 70 Note: If you use this function to configure the system clock; then there
AnnaBridge 189:f392fc9709a3 71 is no need to call the 2 first functions listed above, since SystemCoreClock
AnnaBridge 189:f392fc9709a3 72 variable is updated automatically.
AnnaBridge 189:f392fc9709a3 73 */
AnnaBridge 189:f392fc9709a3 74 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
AnnaBridge 189:f392fc9709a3 75
AnnaBridge 189:f392fc9709a3 76 extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
AnnaBridge 189:f392fc9709a3 77 extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */
AnnaBridge 189:f392fc9709a3 78 extern const uint32_t MSIRangeTable[12]; /*!< MSI ranges table values */
AnnaBridge 189:f392fc9709a3 79
AnnaBridge 189:f392fc9709a3 80 /**
AnnaBridge 189:f392fc9709a3 81 * @}
AnnaBridge 189:f392fc9709a3 82 */
AnnaBridge 189:f392fc9709a3 83
AnnaBridge 189:f392fc9709a3 84 /** @addtogroup STM32L4xx_System_Exported_Constants
AnnaBridge 189:f392fc9709a3 85 * @{
AnnaBridge 189:f392fc9709a3 86 */
AnnaBridge 189:f392fc9709a3 87
AnnaBridge 189:f392fc9709a3 88 /**
AnnaBridge 189:f392fc9709a3 89 * @}
AnnaBridge 189:f392fc9709a3 90 */
AnnaBridge 189:f392fc9709a3 91
AnnaBridge 189:f392fc9709a3 92 /** @addtogroup STM32L4xx_System_Exported_Macros
AnnaBridge 189:f392fc9709a3 93 * @{
AnnaBridge 189:f392fc9709a3 94 */
AnnaBridge 189:f392fc9709a3 95
AnnaBridge 189:f392fc9709a3 96 /**
AnnaBridge 189:f392fc9709a3 97 * @}
AnnaBridge 189:f392fc9709a3 98 */
AnnaBridge 189:f392fc9709a3 99
AnnaBridge 189:f392fc9709a3 100 /** @addtogroup STM32L4xx_System_Exported_Functions
AnnaBridge 189:f392fc9709a3 101 * @{
AnnaBridge 189:f392fc9709a3 102 */
AnnaBridge 189:f392fc9709a3 103
AnnaBridge 189:f392fc9709a3 104 extern void SystemInit(void);
AnnaBridge 189:f392fc9709a3 105 extern void SystemCoreClockUpdate(void);
AnnaBridge 189:f392fc9709a3 106 extern void SetSysClock(void);
AnnaBridge 189:f392fc9709a3 107
AnnaBridge 189:f392fc9709a3 108 /**
AnnaBridge 189:f392fc9709a3 109 * @}
AnnaBridge 189:f392fc9709a3 110 */
AnnaBridge 189:f392fc9709a3 111
AnnaBridge 189:f392fc9709a3 112 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 113 }
AnnaBridge 189:f392fc9709a3 114 #endif
AnnaBridge 189:f392fc9709a3 115
AnnaBridge 189:f392fc9709a3 116 #endif /*__SYSTEM_STM32L4XX_H */
AnnaBridge 189:f392fc9709a3 117
AnnaBridge 189:f392fc9709a3 118 /**
AnnaBridge 189:f392fc9709a3 119 * @}
AnnaBridge 189:f392fc9709a3 120 */
AnnaBridge 189:f392fc9709a3 121
AnnaBridge 189:f392fc9709a3 122 /**
AnnaBridge 189:f392fc9709a3 123 * @}
AnnaBridge 189:f392fc9709a3 124 */
AnnaBridge 189:f392fc9709a3 125 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/