tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC15XX/system_LPC15xx.h

   1 /**************************************************************************//**
   2  * @file     system_LPC15xx.h
   3  * @brief    CMSIS Cortex-M3 Device System Header File for
   4  *           NXP LPC15xx Device Series
   5  * @version  V1.00
   6  * @date     19. July 2013
   7  *
   8  * @note
   9  * Copyright (C) 2013 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_LPC15xx_H
  27 #define __SYSTEM_LPC15xx_H
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #include <stdint.h>
  34
  35 /** @addtogroup LPC15xx_System
  36  * @{
  37  */
  38
  39 extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
  40
  41
  42 /**
  43  * Initialize the system
  44  *
  45  * @param  none
  46  * @return none
  47  *
  48  * @brief  Setup the microcontroller system.
  49  *         Initialize the System.
  50  */
  51 extern void SystemInit (void);
  52
  53 /**
  54  * Update SystemCoreClock variable
  55  *
  56  * @param  none
  57  * @return none
  58  *
  59  * @brief  Updates the SystemCoreClock with current core Clock
  60  *         retrieved from cpu registers.
  61  */
  62 extern void SystemCoreClockUpdate (void);
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 /**
  69  * @}
  70  */
  71
  72 #endif /* __SYSTEM_LPC15xx_H */