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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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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_L432KC/system_stm32l4xx.h@122:f9eeca106725, 2016-07-07 (annotated)

Committer:
Kojto
Date:
Thu Jul 07 14:34:11 2016 +0100
Revision:
122:f9eeca106725
Child:
123:b0220dba8be7
Release 122 of the mbed library



Changes:

- new targets - Nucleo L432KC, Beetle, Nucleo F446ZE, Nucleo L011K4

- Thread safety addition - mbed API should contain a statement about thread safety

- critical section API addition

- CAS API (core_util_atomic_incr/decr)

- DEVICE_ are generated from targets.json file, device.h deprecated

- Callback replaces FunctionPointer to provide std like interface

- mbed HAL API docs improvements

- toolchain - prexif attributes with MBED_

            - add new attributes - packed, weak, forcedinline, align

- target.json - contains targets definitions

- ST - L1XX - Cube update to 1.5

     - SPI clock selection fix (clock from APB domain)

     - F7 - Cube update v1.4.0

     - L0 -  baudrate init fix

     - L1 - Cube update v1.5

     - F3 - baudrate init fix, 3 targets CAN support

     - F4 - Cube update v1.12.0, 3 targets CAN support

     - L4XX - Cube update v1.5.1

     - F0 - update Cube to v1.5.0

     - L4 - 2 targets (L476RG/VG) CAN support

- NXP - pwm clock fix for KSDK2 MCU

      - LPC2368 - remove ARM toolchain support - due to regression

      - KSDK2 - fix SPI , I2C address and repeat start

- Silabs - some fixes backported from mbed 3

- Renesas - RZ_A1H - SystemCoreClockUpdate addition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 122:f9eeca106725 1 /**
Kojto 122:f9eeca106725 2 ******************************************************************************
Kojto 122:f9eeca106725 3 * @file system_stm32l4xx.h
Kojto 122:f9eeca106725 4 * @author MCD Application Team
Kojto 122:f9eeca106725 5 * @version V1.0.0
Kojto 122:f9eeca106725 6 * @date 26-June-2015
Kojto 122:f9eeca106725 7 * @brief CMSIS Cortex-M4 Device System Source File for STM32L4xx devices.
Kojto 122:f9eeca106725 8 ******************************************************************************
Kojto 122:f9eeca106725 9 * @attention
Kojto 122:f9eeca106725 10 *
Kojto 122:f9eeca106725 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
Kojto 122:f9eeca106725 12 *
Kojto 122:f9eeca106725 13 * Redistribution and use in source and binary forms, with or without modification,
Kojto 122:f9eeca106725 14 * are permitted provided that the following conditions are met:
Kojto 122:f9eeca106725 15 * 1. Redistributions of source code must retain the above copyright notice,
Kojto 122:f9eeca106725 16 * this list of conditions and the following disclaimer.
Kojto 122:f9eeca106725 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
Kojto 122:f9eeca106725 18 * this list of conditions and the following disclaimer in the documentation
Kojto 122:f9eeca106725 19 * and/or other materials provided with the distribution.
Kojto 122:f9eeca106725 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Kojto 122:f9eeca106725 21 * may be used to endorse or promote products derived from this software
Kojto 122:f9eeca106725 22 * without specific prior written permission.
Kojto 122:f9eeca106725 23 *
Kojto 122:f9eeca106725 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 122:f9eeca106725 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 122:f9eeca106725 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Kojto 122:f9eeca106725 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Kojto 122:f9eeca106725 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Kojto 122:f9eeca106725 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Kojto 122:f9eeca106725 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Kojto 122:f9eeca106725 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Kojto 122:f9eeca106725 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Kojto 122:f9eeca106725 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto 122:f9eeca106725 34 *
Kojto 122:f9eeca106725 35 ******************************************************************************
Kojto 122:f9eeca106725 36 */
Kojto 122:f9eeca106725 37
Kojto 122:f9eeca106725 38 /** @addtogroup CMSIS
Kojto 122:f9eeca106725 39 * @{
Kojto 122:f9eeca106725 40 */
Kojto 122:f9eeca106725 41
Kojto 122:f9eeca106725 42 /** @addtogroup stm32l4xx_system
Kojto 122:f9eeca106725 43 * @{
Kojto 122:f9eeca106725 44 */
Kojto 122:f9eeca106725 45
Kojto 122:f9eeca106725 46 /**
Kojto 122:f9eeca106725 47 * @brief Define to prevent recursive inclusion
Kojto 122:f9eeca106725 48 */
Kojto 122:f9eeca106725 49 #ifndef __SYSTEM_STM32L4XX_H
Kojto 122:f9eeca106725 50 #define __SYSTEM_STM32L4XX_H
Kojto 122:f9eeca106725 51
Kojto 122:f9eeca106725 52 #ifdef __cplusplus
Kojto 122:f9eeca106725 53 extern "C" {
Kojto 122:f9eeca106725 54 #endif
Kojto 122:f9eeca106725 55
Kojto 122:f9eeca106725 56 /** @addtogroup STM32L4xx_System_Includes
Kojto 122:f9eeca106725 57 * @{
Kojto 122:f9eeca106725 58 */
Kojto 122:f9eeca106725 59
Kojto 122:f9eeca106725 60 /**
Kojto 122:f9eeca106725 61 * @}
Kojto 122:f9eeca106725 62 */
Kojto 122:f9eeca106725 63
Kojto 122:f9eeca106725 64
Kojto 122:f9eeca106725 65 /** @addtogroup STM32L4xx_System_Exported_Variables
Kojto 122:f9eeca106725 66 * @{
Kojto 122:f9eeca106725 67 */
Kojto 122:f9eeca106725 68 /* The SystemCoreClock variable is updated in three ways:
Kojto 122:f9eeca106725 69 1) by calling CMSIS function SystemCoreClockUpdate()
Kojto 122:f9eeca106725 70 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
Kojto 122:f9eeca106725 71 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
Kojto 122:f9eeca106725 72 Note: If you use this function to configure the system clock; then there
Kojto 122:f9eeca106725 73 is no need to call the 2 first functions listed above, since SystemCoreClock
Kojto 122:f9eeca106725 74 variable is updated automatically.
Kojto 122:f9eeca106725 75 */
Kojto 122:f9eeca106725 76 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
Kojto 122:f9eeca106725 77
Kojto 122:f9eeca106725 78 extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
Kojto 122:f9eeca106725 79 extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */
Kojto 122:f9eeca106725 80 extern const uint32_t MSIRangeTable[12]; /*!< MSI ranges table values */
Kojto 122:f9eeca106725 81
Kojto 122:f9eeca106725 82 /**
Kojto 122:f9eeca106725 83 * @}
Kojto 122:f9eeca106725 84 */
Kojto 122:f9eeca106725 85
Kojto 122:f9eeca106725 86 /** @addtogroup STM32L4xx_System_Exported_Constants
Kojto 122:f9eeca106725 87 * @{
Kojto 122:f9eeca106725 88 */
Kojto 122:f9eeca106725 89
Kojto 122:f9eeca106725 90 /**
Kojto 122:f9eeca106725 91 * @}
Kojto 122:f9eeca106725 92 */
Kojto 122:f9eeca106725 93
Kojto 122:f9eeca106725 94 /** @addtogroup STM32L4xx_System_Exported_Macros
Kojto 122:f9eeca106725 95 * @{
Kojto 122:f9eeca106725 96 */
Kojto 122:f9eeca106725 97
Kojto 122:f9eeca106725 98 /**
Kojto 122:f9eeca106725 99 * @}
Kojto 122:f9eeca106725 100 */
Kojto 122:f9eeca106725 101
Kojto 122:f9eeca106725 102 /** @addtogroup STM32L4xx_System_Exported_Functions
Kojto 122:f9eeca106725 103 * @{
Kojto 122:f9eeca106725 104 */
Kojto 122:f9eeca106725 105
Kojto 122:f9eeca106725 106 extern void SystemInit(void);
Kojto 122:f9eeca106725 107 extern void SystemCoreClockUpdate(void);
Kojto 122:f9eeca106725 108 extern void SetSysClock(void);
Kojto 122:f9eeca106725 109
Kojto 122:f9eeca106725 110 /**
Kojto 122:f9eeca106725 111 * @}
Kojto 122:f9eeca106725 112 */
Kojto 122:f9eeca106725 113
Kojto 122:f9eeca106725 114 #ifdef __cplusplus
Kojto 122:f9eeca106725 115 }
Kojto 122:f9eeca106725 116 #endif
Kojto 122:f9eeca106725 117
Kojto 122:f9eeca106725 118 #endif /*__SYSTEM_STM32L4XX_H */
Kojto 122:f9eeca106725 119
Kojto 122:f9eeca106725 120 /**
Kojto 122:f9eeca106725 121 * @}
Kojto 122:f9eeca106725 122 */
Kojto 122:f9eeca106725 123
Kojto 122:f9eeca106725 124 /**
Kojto 122:f9eeca106725 125 * @}
Kojto 122:f9eeca106725 126 */
Kojto 122:f9eeca106725 127 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/