78 lines
3.0 KiB
C
78 lines
3.0 KiB
C
/**
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******************************************************************************
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* @file system_stm32f4xx.h
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* @author MCD Application Team
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* @version V2.3.2
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* @date 26-June-2015
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* @brief CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/*
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Notes for Teacup:
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Copied from $(MBED)/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F411RE/system_stm32f4xx.h.
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- Prefixed names of #include files with cmsis- to match the names of the
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copies in the Teacup repo.
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- Cleanup file
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- Add different clock frequencies
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*/
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/**
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* @brief Define to prevent recursive inclusion
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*/
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#ifndef __SYSTEM_STM32F4XX_H
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#define __SYSTEM_STM32F4XX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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// #define __SYSTEM_CLOCK 96000000
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#define __SYSTEM_CLOCK 100000000
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// #define __SYSTEM_CLOCK 108000000 // Overclocking is not recommended!
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/*
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This variable is updated in by calling CMSIS function SystemCoreClockUpdate()
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*/
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extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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extern void SystemInit(void);
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extern void SystemCoreClockUpdate(void);
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extern void SetSysClock(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__SYSTEM_STM32F4XX_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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