tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11XX_11CXX/system_LPC11xx.h

   1 /**************************************************************************//**
   2  * @file     system_LPC11xx.h
   3  * @brief    CMSIS Cortex-M0 Device Peripheral Access Layer Header File
   4  *           for the NXP LPC11xx/LPC11Cxx Device Series
   5  * @version  V1.10
   6  * @date     24. November 2010
   7  *
   8  * @note
   9  * Copyright (C) 2009-2010 ARM Limited. All rights reserved.
  10  *
  11  * @par
  12  * ARM Limited (ARM) is supplying this software for use with Cortex-M
  13  * processor based microcontrollers.  This file can be freely distributed
  14  * within development tools that are supporting such ARM based processors.
  15  *
  16  * @par
  17  * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
  18  * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
  20  * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
  21  * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
  22  *
  23  ******************************************************************************/
  24
  25
  26 #ifndef __SYSTEM_LPC11xx_H
  27 #define __SYSTEM_LPC11xx_H
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #include <stdint.h>
  34
  35 extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
  36
  37
  38 /**
  39  * Initialize the system
  40  *
  41  * @param  none
  42  * @return none
  43  *
  44  * @brief  Setup the microcontroller system.
  45  *         Initialize the System and update the SystemCoreClock variable.
  46  */
  47 extern void SystemInit (void);
  48
  49 /**
  50  * Update SystemCoreClock variable
  51  *
  52  * @param  none
  53  * @return none
  54  *
  55  * @brief  Updates the SystemCoreClock with current core Clock
  56  *         retrieved from cpu registers.
  57  */
  58 extern void SystemCoreClockUpdate (void);
  59
  60 #ifdef __cplusplus
  61 }
  62 #endif
  63
  64 #endif /* __SYSTEM_LPC11xx_H */