| //***************************************************************************** |
| // |
| //! @file system_apollo2.h |
| //! |
| //! @brief Ambiq Micro Apollo2 MCU specific functions. |
| // |
| //***************************************************************************** |
| |
| //***************************************************************************** |
| // |
| // Copyright (c) 2017, Ambiq Micro |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, |
| // this list of conditions and the following disclaimer. |
| // |
| // 2. 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. |
| // |
| // 3. Neither the name of the copyright holder 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 THE COPYRIGHT HOLDER OR 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_APOLLO2_H |
| #define SYSTEM_APOLLO2_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <stdint.h> |
| |
| extern uint32_t SystemCoreClock; // System Clock Frequency (Core Clock) |
| |
| //***************************************************************************** |
| // |
| // External function definitions |
| // |
| //***************************************************************************** |
| extern void SystemInit (void); |
| extern void SystemCoreClockUpdate (void); |
| |
| /* Helper functions to enable/disable interrupts. */ |
| #define __HAL_DISABLE_INTERRUPTS(x) \ |
| do { \ |
| x = __get_PRIMASK(); \ |
| __disable_irq(); \ |
| } while(0); |
| |
| #define __HAL_ENABLE_INTERRUPTS(x) \ |
| do { \ |
| if (!x) { \ |
| __enable_irq(); \ |
| } \ |
| } while(0); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // SYSTEM_APOLLO2_H |
| |
