Electricity/CORE/system_CMSDK_CM0.c

69 lines
2.3 KiB
C

/**************************************************************************//**
* @file system_CMSDK_CM0.c
* @brief CMSIS Cortex-M0 Device Peripheral Access Layer Source File for
* Device CMSDK
* @version V3.01
* @date 06. March 2012
*
* @note
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* @par
* ARM Limited (ARM) is supplying this software for use with Cortex-M
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* @par
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#include <stdint.h>
#include "CMSDK_CM0.h"
/*----------------------------------------------------------------------------
DEFINES
*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
Define clocks
*----------------------------------------------------------------------------*/
#define XTAL (100000000UL) /* Oscillator frequency */
/*----------------------------------------------------------------------------
Clock Variable definitions
*----------------------------------------------------------------------------*/
uint32_t SystemFrequency = XTAL; /*!< System Clock Frequency (Core Clock) */
uint32_t SystemCoreClock = XTAL; /*!< Processor Clock Frequency */
/*----------------------------------------------------------------------------
Clock functions
*----------------------------------------------------------------------------*/
void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */
{
SystemCoreClock = XTAL;
}
/**
* Initialize the system
*
* @param none
* @return none
*
* @brief Setup the microcontroller system.
* Initialize the System.
*/
void SystemInit (void)
{
SystemCoreClock = XTAL;
}