| /* |
| * Copyright (c) 2009-2022 Arm Limited |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * This file is derivative of CMSIS V5.9.0 system_ARMCM55.h |
| * Git SHA: 2b7495b8535bdcb306dac29b9ded4cfb679d7e5c |
| */ |
| |
| #ifndef __SYSTEM_CORE_INIT_H__ |
| #define __SYSTEM_CORE_INIT_H__ |
| |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
| extern uint32_t PeripheralClock; /*!< Peripheral Clock Frequency */ |
| |
| /** |
| \brief Exception / Interrupt Handler Function Prototype |
| */ |
| typedef void (*VECTOR_TABLE_Type)(void); |
| |
| /** |
| \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_CORE_INIT_H__ */ |