mirror of https://github.com/ARMmbed/mbed-os.git
136 lines
4.5 KiB
C
136 lines
4.5 KiB
C
/**************************************************************************//**
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* @file system_M261.h
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* @version V3.00
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* @brief System Setting Header File
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*
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* @note
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* Copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
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*
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******************************************************************************/
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#ifndef __SYSTEM_M261_H__
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#define __SYSTEM_M261_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*---------------------------------------------------------------------------------------------------------*/
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/* Macro Definition */
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/*---------------------------------------------------------------------------------------------------------*/
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#ifndef DEBUG_PORT
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# define DEBUG_PORT UART0 /*!< Select Debug Port which is used for retarget.c to output debug message to UART */
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#endif
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/* Init ETM Interface Multi-function Pins */
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#define ETM_INIT() { \
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SYS->GPC_MFPL &= ~(SYS_GPC_MFPL_PC0MFP_ETM_TRACE_Msk | SYS_GPC_MFPL_PC1MFP_ETM_TRACE_Msk | \
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SYS_GPC_MFPL_PC2MFP_ETM_TRACE_Msk | SYS_GPC_MFPL_PC3MFP_ETM_TRACE_Msk | \
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SYS_GPC_MFPL_PC4MFP_ETM_TRACE_Msk); \
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SYS->GPC_MFPL |= SYS_GPC_MFPL_PC0MFP_ETM_TRACE_CLK | SYS_GPC_MFPL_PC1MFP_ETM_TRACE_DATA0 | \
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SYS_GPC_MFPL_PC2MFP_ETM_TRACE_DATA1 | SYS_GPC_MFPL_PC3MFP_ETM_TRACE_DATA2 | \
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SYS_GPC_MFPL_PC4MFP_ETM_TRACE_DATA3;}
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/**
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*
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* @details This is used to enable PLL to speed up booting at startup. Remove it will cause system using
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* default clock source (External crystal or internal 22.1184MHz IRC).
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* Enable this option will cause system booting in 72MHz(By XTAL) or 71.8848MHz(By IRC22M) according to
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* user configuration setting in CONFIG0
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*
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*/
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/*
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#define INIT_SYSCLK_AT_BOOTING
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*/
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/*----------------------------------------------------------------------------
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Define SYSCLK
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*----------------------------------------------------------------------------*/
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#define __HXT (12000000UL) /*!< External Crystal Clock Frequency */
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#define __LIRC (10000UL) /*!< Internal 10K RC Oscillator Frequency */
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#define __HIRC (12000000UL) /*!< Internal 12M RC Oscillator Frequency */
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#define __LXT (32768UL) /*!< External Crystal Clock Frequency 32.768KHz */
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#define __HSI (48000000UL) /*!< PLL Output Clock Frequency */
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#define __HIRC48 (48000000UL) /*!< Internal 48M RC Oscillator Frequency */
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#define __LIRC32 (32000UL) /*!< Internal 32K RC Oscillator Frequency */
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#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3L)
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# if defined (__ICCARM__)
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# define __NONSECURE_ENTRY __cmse_nonsecure_entry
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# define __NONSECURE_ENTRY_WEAK __cmse_nonsecure_entry __weak
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# define __NONSECURE_CALL __cmse_nonsecure_call
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# else
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# define __NONSECURE_ENTRY __attribute__((cmse_nonsecure_entry))
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# define __NONSECURE_ENTRY_WEAK __attribute__((cmse_nonsecure_entry,weak))
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# define __NONSECURE_CALL __attribute__((cmse_nonsecure_call))
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# endif
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#else
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# define __NONSECURE_ENTRY
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# define __NONSECURE_ENTRY_WEAK
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# define __NONSECURE_CALL
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#endif
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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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extern uint32_t __PC(void); /*!< Return the current program counter value */
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#if USE_ASSERT
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/**
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* @brief Assert Function
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*
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* @param[in] expr Expression to be evaluated
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*
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* @return None
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*
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* @details If the expression is false, an error message will be printed out
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* from debug port (UART0 or UART1).
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*/
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#define ASSERT_PARAM(expr) { if (!(expr)) { AssertError((uint8_t*)__FILE__, __LINE__); } }
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void AssertError(uint8_t* file, uint32_t line);
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#else
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#define ASSERT_PARAM(expr)
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#endif
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#define assert_param(expr) ASSERT_PARAM(expr)
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/**
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* @brief System Initialization
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*
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* @param None
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*
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* @return None
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*
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* @details The necessary initialization of system.
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*/
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extern void SystemInit(void);
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/**
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* @brief Update the Variable SystemCoreClock
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*
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* @param None
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*
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* @return None
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*
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* @details This function is used to update the variable SystemCoreClock
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* and must be called whenever the core clock is changed.
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*/
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extern void SystemCoreClockUpdate(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYSTEM_M261_H__ */
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