system_lpc11xx.h

来自「LPC1114_例程和教程」· C头文件 代码 · 共 48 行

/*********************************************************************************************************
** @file:    system_LPC11xx.h
** @purpose: CMSIS Cortex-M0 Device Peripheral Access Layer Header File
**           for the NXP LPC11xx Device Series 
** @version: V1.0
** @date:    25. Nov. 2008
**--------------------------------------------------------------------------------------------------------
**
** Copyright (C) 2008 ARM Limited. All rights reserved.
**
** ARM Limited (ARM) is supplying this software for use with Cortex-M0 
** processor based microcontrollers.  This file can be freely distributed 
** within development tools that are supporting such ARM based processors. 
**
** 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.
**
*********************************************************************************************************/


#ifndef __SYSTEM_LPC11xx_H
#define __SYSTEM_LPC11xx_H

/*********************************************************************************************************
  Vector Table Base
*********************************************************************************************************/
#define NVIC_VectTab_RAM             (0x10000000)
#define NVIC_VectTab_FLASH           (0x00000000)

extern uint32_t ClockSource;
extern uint32_t SystemFrequency;                              /*!< System Clock Frequency (Core Clock)  */
extern uint32_t SystemAHBFrequency;

/*********************************************************************************************************
** Initialize the system
**
** @param  none
** @return none
**
** @brief  Setup the microcontroller system.
**         Initialize the System and update the SystemFrequency variable.
*********************************************************************************************************/
extern void SystemInit (void);
#endif