1 /* 2 * Copyright (c) 2021 Chipsea Technologies (Shenzhen) Corp., Ltd. All rights reserved. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 /** 16 **************************************************************************************** 17 * 18 * @file system.h 19 * 20 **************************************************************************************** 21 */ 22 23 #ifndef _SYSTEM_H_ 24 #define _SYSTEM_H_ 25 26 /* 27 * INCLUDE FILES 28 **************************************************************************************** 29 */ 30 #include "chip.h" 31 32 /* 33 * DEFINES 34 **************************************************************************************** 35 */ 36 37 /* 38 * EXPORTED VARIABLE DECLARATION 39 **************************************************************************************** 40 */ 41 42 extern uint32_t DSPSysCoreClock; /*!< DSP System Clock Frequency (Fclk) */ 43 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Hclk) */ 44 extern uint32_t PeripheralClock; /*!< Peripheral Clock Frequency (Pclk) */ 45 extern uint32_t PsramCntrlClock; /*!< PSRAM Control Clock Frequency */ 46 47 /* 48 * EXPORTED FUNCTION DECLARATION 49 **************************************************************************************** 50 */ 51 52 void SystemCoreClockUpdate(void); 53 void SystemInit(void); 54 uint8_t ChipIdGet(int ch); 55 uint8_t ChipRomVerGet(void); 56 57 #endif // _SYSTEM_H_ 58