| /**************************************************************************//** |
| * @file system_ARMCM0.h |
| * @brief CMSIS Device System Header File for |
| * ARMCM0 Device Series |
| * @version V2.00 |
| * @date 18. August 2015 |
| ******************************************************************************/ |
| /* Copyright (c) 2011 - 2015 ARM LIMITED |
| |
| All rights reserved. |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| - Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| - Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| - Neither the name of ARM nor the names of its contributors may be used |
| to endorse or promote products derived from this software without |
| specific prior written permission. |
| * |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
| LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| POSSIBILITY OF SUCH DAMAGE. |
| ---------------------------------------------------------------------------*/ |
| |
| |
| #ifndef SYSTEM_ARMCM0_H |
| #define SYSTEM_ARMCM0_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
| |
| |
| /** @brief Setup the microcontroller system. |
| |
| Initialize the System and update the SystemCoreClock variable. |
| */ |
| extern void SystemInit (void); |
| |
| |
| /** \brief Update SystemCoreClock variable. |
| |
| Updates the SystemCoreClock with current core Clock |
| retrieved from cpu registers. |
| */ |
| extern void SystemCoreClockUpdate (void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* SYSTEM_ARMCM0_H */ |