CMSIS library (not dsp)
inc/system_stm32l4xx.h@0:0ee1b3bb319a, 2015-11-02 (annotated)
- Committer:
- EricLew
- Date:
- Mon Nov 02 19:38:12 2015 +0000
- Revision:
- 0:0ee1b3bb319a
commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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EricLew | 0:0ee1b3bb319a | 1 | /** |
EricLew | 0:0ee1b3bb319a | 2 | ****************************************************************************** |
EricLew | 0:0ee1b3bb319a | 3 | * @file system_stm32l4xx.h |
EricLew | 0:0ee1b3bb319a | 4 | * @author MCD Application Team |
EricLew | 0:0ee1b3bb319a | 5 | * @version V1.0.1 |
EricLew | 0:0ee1b3bb319a | 6 | * @date 16-September-2015 |
EricLew | 0:0ee1b3bb319a | 7 | * @brief CMSIS Cortex-M4 Device System Source File for STM32L4xx devices. |
EricLew | 0:0ee1b3bb319a | 8 | ****************************************************************************** |
EricLew | 0:0ee1b3bb319a | 9 | * @attention |
EricLew | 0:0ee1b3bb319a | 10 | * |
EricLew | 0:0ee1b3bb319a | 11 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
EricLew | 0:0ee1b3bb319a | 12 | * |
EricLew | 0:0ee1b3bb319a | 13 | * Redistribution and use in source and binary forms, with or without modification, |
EricLew | 0:0ee1b3bb319a | 14 | * are permitted provided that the following conditions are met: |
EricLew | 0:0ee1b3bb319a | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
EricLew | 0:0ee1b3bb319a | 16 | * this list of conditions and the following disclaimer. |
EricLew | 0:0ee1b3bb319a | 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
EricLew | 0:0ee1b3bb319a | 18 | * this list of conditions and the following disclaimer in the documentation |
EricLew | 0:0ee1b3bb319a | 19 | * and/or other materials provided with the distribution. |
EricLew | 0:0ee1b3bb319a | 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
EricLew | 0:0ee1b3bb319a | 21 | * may be used to endorse or promote products derived from this software |
EricLew | 0:0ee1b3bb319a | 22 | * without specific prior written permission. |
EricLew | 0:0ee1b3bb319a | 23 | * |
EricLew | 0:0ee1b3bb319a | 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
EricLew | 0:0ee1b3bb319a | 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
EricLew | 0:0ee1b3bb319a | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
EricLew | 0:0ee1b3bb319a | 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
EricLew | 0:0ee1b3bb319a | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
EricLew | 0:0ee1b3bb319a | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
EricLew | 0:0ee1b3bb319a | 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
EricLew | 0:0ee1b3bb319a | 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
EricLew | 0:0ee1b3bb319a | 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
EricLew | 0:0ee1b3bb319a | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
EricLew | 0:0ee1b3bb319a | 34 | * |
EricLew | 0:0ee1b3bb319a | 35 | ****************************************************************************** |
EricLew | 0:0ee1b3bb319a | 36 | */ |
EricLew | 0:0ee1b3bb319a | 37 | |
EricLew | 0:0ee1b3bb319a | 38 | /** @addtogroup CMSIS |
EricLew | 0:0ee1b3bb319a | 39 | * @{ |
EricLew | 0:0ee1b3bb319a | 40 | */ |
EricLew | 0:0ee1b3bb319a | 41 | |
EricLew | 0:0ee1b3bb319a | 42 | /** @addtogroup stm32l4xx_system |
EricLew | 0:0ee1b3bb319a | 43 | * @{ |
EricLew | 0:0ee1b3bb319a | 44 | */ |
EricLew | 0:0ee1b3bb319a | 45 | |
EricLew | 0:0ee1b3bb319a | 46 | /** |
EricLew | 0:0ee1b3bb319a | 47 | * @brief Define to prevent recursive inclusion |
EricLew | 0:0ee1b3bb319a | 48 | */ |
EricLew | 0:0ee1b3bb319a | 49 | #ifndef __SYSTEM_STM32L4XX_H |
EricLew | 0:0ee1b3bb319a | 50 | #define __SYSTEM_STM32L4XX_H |
EricLew | 0:0ee1b3bb319a | 51 | |
EricLew | 0:0ee1b3bb319a | 52 | #ifdef __cplusplus |
EricLew | 0:0ee1b3bb319a | 53 | extern "C" { |
EricLew | 0:0ee1b3bb319a | 54 | #endif |
EricLew | 0:0ee1b3bb319a | 55 | |
EricLew | 0:0ee1b3bb319a | 56 | /** @addtogroup STM32L4xx_System_Includes |
EricLew | 0:0ee1b3bb319a | 57 | * @{ |
EricLew | 0:0ee1b3bb319a | 58 | */ |
EricLew | 0:0ee1b3bb319a | 59 | |
EricLew | 0:0ee1b3bb319a | 60 | /** |
EricLew | 0:0ee1b3bb319a | 61 | * @} |
EricLew | 0:0ee1b3bb319a | 62 | */ |
EricLew | 0:0ee1b3bb319a | 63 | |
EricLew | 0:0ee1b3bb319a | 64 | |
EricLew | 0:0ee1b3bb319a | 65 | /** @addtogroup STM32L4xx_System_Exported_types |
EricLew | 0:0ee1b3bb319a | 66 | * @{ |
EricLew | 0:0ee1b3bb319a | 67 | */ |
EricLew | 0:0ee1b3bb319a | 68 | /* This variable is updated in three ways: |
EricLew | 0:0ee1b3bb319a | 69 | 1) by calling CMSIS function SystemCoreClockUpdate() |
EricLew | 0:0ee1b3bb319a | 70 | 2) by calling HAL API function HAL_RCC_GetSysClockFreq() |
EricLew | 0:0ee1b3bb319a | 71 | 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency |
EricLew | 0:0ee1b3bb319a | 72 | Note: If you use this function to configure the system clock; then there |
EricLew | 0:0ee1b3bb319a | 73 | is no need to call the 2 first functions listed above, since SystemCoreClock |
EricLew | 0:0ee1b3bb319a | 74 | variable is updated automatically. |
EricLew | 0:0ee1b3bb319a | 75 | */ |
EricLew | 0:0ee1b3bb319a | 76 | extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
EricLew | 0:0ee1b3bb319a | 77 | |
EricLew | 0:0ee1b3bb319a | 78 | extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */ |
EricLew | 0:0ee1b3bb319a | 79 | extern const uint32_t MSIRangeTable[12]; /*!< MSI ranges table values */ |
EricLew | 0:0ee1b3bb319a | 80 | |
EricLew | 0:0ee1b3bb319a | 81 | /** |
EricLew | 0:0ee1b3bb319a | 82 | * @} |
EricLew | 0:0ee1b3bb319a | 83 | */ |
EricLew | 0:0ee1b3bb319a | 84 | |
EricLew | 0:0ee1b3bb319a | 85 | /** @addtogroup STM32L4xx_System_Exported_Constants |
EricLew | 0:0ee1b3bb319a | 86 | * @{ |
EricLew | 0:0ee1b3bb319a | 87 | */ |
EricLew | 0:0ee1b3bb319a | 88 | |
EricLew | 0:0ee1b3bb319a | 89 | /** |
EricLew | 0:0ee1b3bb319a | 90 | * @} |
EricLew | 0:0ee1b3bb319a | 91 | */ |
EricLew | 0:0ee1b3bb319a | 92 | |
EricLew | 0:0ee1b3bb319a | 93 | /** @addtogroup STM32L4xx_System_Exported_Macros |
EricLew | 0:0ee1b3bb319a | 94 | * @{ |
EricLew | 0:0ee1b3bb319a | 95 | */ |
EricLew | 0:0ee1b3bb319a | 96 | |
EricLew | 0:0ee1b3bb319a | 97 | /** |
EricLew | 0:0ee1b3bb319a | 98 | * @} |
EricLew | 0:0ee1b3bb319a | 99 | */ |
EricLew | 0:0ee1b3bb319a | 100 | |
EricLew | 0:0ee1b3bb319a | 101 | /** @addtogroup STM32L4xx_System_Exported_Functions |
EricLew | 0:0ee1b3bb319a | 102 | * @{ |
EricLew | 0:0ee1b3bb319a | 103 | */ |
EricLew | 0:0ee1b3bb319a | 104 | |
EricLew | 0:0ee1b3bb319a | 105 | extern void SystemInit(void); |
EricLew | 0:0ee1b3bb319a | 106 | extern void SystemCoreClockUpdate(void); |
EricLew | 0:0ee1b3bb319a | 107 | /** |
EricLew | 0:0ee1b3bb319a | 108 | * @} |
EricLew | 0:0ee1b3bb319a | 109 | */ |
EricLew | 0:0ee1b3bb319a | 110 | |
EricLew | 0:0ee1b3bb319a | 111 | #ifdef __cplusplus |
EricLew | 0:0ee1b3bb319a | 112 | } |
EricLew | 0:0ee1b3bb319a | 113 | #endif |
EricLew | 0:0ee1b3bb319a | 114 | |
EricLew | 0:0ee1b3bb319a | 115 | #endif /*__SYSTEM_STM32L4XX_H */ |
EricLew | 0:0ee1b3bb319a | 116 | |
EricLew | 0:0ee1b3bb319a | 117 | /** |
EricLew | 0:0ee1b3bb319a | 118 | * @} |
EricLew | 0:0ee1b3bb319a | 119 | */ |
EricLew | 0:0ee1b3bb319a | 120 | |
EricLew | 0:0ee1b3bb319a | 121 | /** |
EricLew | 0:0ee1b3bb319a | 122 | * @} |
EricLew | 0:0ee1b3bb319a | 123 | */ |
EricLew | 0:0ee1b3bb319a | 124 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
EricLew | 0:0ee1b3bb319a | 125 |