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Diff: LPC812/system_LPC8xx.h
- Revision:
- 62:7e6c9f46b3bd
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LPC812/system_LPC8xx.h Wed Apr 17 15:30:58 2013 +0100 @@ -0,0 +1,62 @@ +/****************************************************************************** + * @file: system_LPC8xx.h + * @purpose: CMSIS Cortex-M0+ Device Peripheral Access Layer Header File + * for the NXP LPC8xx Device Series + * @version: V1.0 + * @date: 16. Aug. 2012 + *---------------------------------------------------------------------------- + * + * Copyright (C) 2012 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_LPC8xx_H +#define __SYSTEM_LPC8xx_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + + +/** + * Initialize the system + * + * @param none + * @return none + * + * @brief Setup the microcontroller system. + * Initialize the System and update the SystemCoreClock variable. + */ +extern void SystemInit (void); + +/** + * Update SystemCoreClock variable + * + * @param none + * @return none + * + * @brief Updates the SystemCoreClock with current core Clock + * retrieved from cpu registers. + */ +extern void SystemCoreClockUpdate (void); + +#ifdef __cplusplus +} +#endif + +#endif /* __SYSTEM_LPC8xx_H */