66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/**************************************************************************//**
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* @file system_M251.h
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* @version V0.10
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* @brief System Setting Header File
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*
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* SPDX-License-Identifier: Apache-2.0
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* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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****************************************************************************/
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#ifndef __SYSTEM_M251_H__
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#define __SYSTEM_M251_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/*----------------------------------------------------------------------------
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Define clocks
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*----------------------------------------------------------------------------*/
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#ifndef __HXT
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#define __HXT (12000000UL) /*!< External Crystal Clock Frequency */
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#endif /* !defined(__HXT) */
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#ifndef __LXT
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#define __LXT (32768UL) /*!< External Crystal Clock Frequency 32.768KHz */
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#endif /* !defined(__LXT) */
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#define __LIRC (38400UL) /*!< Internal 38.4KHz RC Oscillator Frequency */
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#define __MIRC (4032000UL) /*!< Internal 4.032M RC Oscillator Frequency */
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#define __HIRC (48000000UL) /*!< Internal 48M RC Oscillator Frequency */
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#define __HSI (48000000UL) /*!< PLL default output is 48MHz */
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#define __SYS_OSC_CLK ( ___HSI) /*!< Main oscillator frequency */
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#define __SYSTEM_CLOCK (1UL*__HXT)
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extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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extern uint32_t CyclesPerUs; /*!< Cycles per micro second */
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extern uint32_t PllClock; /*!< PLL Output Clock Frequency */
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/**
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* @brief System Initialization
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*
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* @details The necessary initialization of system. Global variables are forbidden here.
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*/
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extern void SystemInit(void);
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/**
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* @brief Check if debug message finished
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*
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* @return 1 Message is finished.
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* 0 Message is transmitting.
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*
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* @details Check if message finished (FIFO empty of debug port)
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*/
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extern int IsDebugFifoEmpty(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYSTEM_M251_H__ */
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