src/main/startup/system_stm32f4xx.h

   1 /**
   2   ******************************************************************************
   3   * @file    system_stm32f4xx.h
   4   * @author  MCD Application Team
   5   * @version V1.6.1
   6   * @date    21-October-2015
   7   * @brief   CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
  12   *
  13   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  14   * You may not use this file except in compliance with the License.
  15   * You may obtain a copy of the License at:
  16   *
  17   *        http://www.st.com/software_license_agreement_liberty_v2
  18   *
  19   * Unless required by applicable law or agreed to in writing, software
  20   * distributed under the License is distributed on an "AS IS" BASIS,
  21   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  22   * See the License for the specific language governing permissions and
  23   * limitations under the License.
  24   *
  25   ******************************************************************************
  26   */
  27
  28 #ifndef __SYSTEM_STM32F4XX_H
  29 #define __SYSTEM_STM32F4XX_H
  30
  31 #ifdef __cplusplus
  32  extern "C" {
  33 #endif
  34
  35 extern uint32_t SystemCoreClock;          /*!< System Clock Frequency (Core Clock) */
  36 extern void SystemInit(void);
  37 extern void SystemCoreClockUpdate(void);
  38 extern void OverclockRebootIfNecessary(uint32_t overclockLevel);
  39 extern void systemClockSetHSEValue(uint32_t frequency);
  40 extern int SystemSYSCLKSource(void);
  41 extern int SystemPLLSource(void);
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif /*__SYSTEM_STM32F4XX_H */
  48
  49 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/