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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/targets/TARGET_NUVOTON/TARGET_M2351/device/system_M2351.c
- Committer:
- kadonotakashi
- Date:
- 2018-10-10
- Revision:
- 0:8fdf9a60065b
File content as of revision 0:8fdf9a60065b:
/**************************************************************************//** * @file system_M2351.c * @version V2.00 * $Revision: 6 $ * $Date: 16/12/02 2:01p $ * @brief System Setting Source File * * @note * Copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. * ******************************************************************************/ #include <arm_cmse.h> #include <stdio.h> #include <stdint.h> #include "M2351.h" #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) #include "partition_M2351.h" #endif #if defined(__ICCARM__) extern void *__vector_table; /* see startup file */ #else extern void *__vector_handlers; /* see startup file */ #endif /*---------------------------------------------------------------------------- Clock Variable definitions *----------------------------------------------------------------------------*/ uint32_t SystemCoreClock = __HSI; /*!< System Clock Frequency (Core Clock) */ uint32_t CyclesPerUs = (__HSI / 1000000); /*!< Cycles per micro second */ uint32_t PllClock = __HSI; /*!< PLL Output Clock Frequency */ const uint32_t gau32ClkSrcTbl[] = {__HXT, __LXT, NULL, __LIRC, NULL, NULL, NULL, __HIRC}; /** * @brief Update the Variable SystemCoreClock * * @param None * * @return None * * @details This function is used to update the variable SystemCoreClock * and must be called whenever the core clock is changed. */ void SystemCoreClockUpdate(void) { /* Update PLL Clock */ PllClock = CLK_GetPLLClockFreq(); /* Update System Core Clock */ SystemCoreClock = CLK_GetCPUFreq(); /* Update Cycles per micro second */ CyclesPerUs = (SystemCoreClock + 500000) / 1000000; } /** * @brief System Initialization * * @param None * * @return None * * @details The necessary initialization of system. Global variables are forbidden here. */ void SystemInit(void) { #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) #if defined(__ICCARM__) SCB->VTOR = (uint32_t) &__vector_table; #else SCB->VTOR = (uint32_t) &__vector_handlers; #endif #endif #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) TZ_SAU_Setup(); SCU_Setup(); FMC_NSBA_Setup(); #endif #ifdef INIT_SYSCLK_AT_BOOTING #endif } #if USE_ASSERT /** * @brief Assert Error Message * * @param[in] file the source file name * @param[in] line line number * * @return None * * @details The function prints the source file name and line number where * the ASSERT_PARAM() error occurs, and then stops in an infinite loop. */ void AssertError(uint8_t * file, uint32_t line) { printf("[%s] line %d : wrong parameters.\r\n", file, line); /* Infinite loop */ while(1) ; } #endif