system_LPC2xxx.h

См. документацию.

/*
 *  CMSIS2000
 *  CMSIS-like sources for LPC2xxx series MCUs
 *
 *  (C) Copyright 2011-2012, Dmitriy Cherepanov, All Rights Reserved
 *
 *  Version: 0.0.7
 *  Date of the Last Update:  2013-03-04
 *  
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to
 *  deal in the Software without restriction, including without limitation the
 *  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 *  sell copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 *  IN THE SOFTWARE.
 *
 *  Do not be lasy! For the latest version see http://irtos.sourceforge.net .
 *
 *  
#*/
#ifndef __SYSTEM_LPC2xxx_H
#define __SYSTEM_LPC2xxx_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
#include "LPC2xxx.h"

#define constSystemCoreClock    F_CCLK_HZ

#ifdef __GNUC__
#if (__GNUC__ != 0)
        #define MOVE_CODE_TO_FLASH __attribute__ ((section (".text.systeminit")))
#endif
#endif

/** @addtogroup LPC2xxx_System  LPC2xxx System
 * @{
 */
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);
/**
 * \brief Initialize the system VIC
 *
 * \return none
 *
 * @brief  Setup the microcontroller VIC system.
 *         Initialize the VIC  and reset all previous VIC interrupts.
 */
extern void SystemVIC_Init(void);
#include "core_7tdmiInterrupt.h"
/**
 * Setup and turn on Interrupt in VIC
 \brief  Set Interrupt Priority

    This function sets the priority for the specified interrupt. The interrupt
    number can be positive to specify an external (device specific)
    interrupt, or negative to specify an internal (core) interrupt.

    Note: The priority cannot be set for every core interrupt.

    \param [in]      *isr_func ISR_HANDLER))'  pointer to ISR function
    \param [in]      IRQn  Number of the interrupt for set priority
    \param [in]      priority  The priority of ISR
        if priority is negative then ISR is disabled
        so SystemVIC_SetISR(NULL,IRQn,-1) will clear ISR
  */
#ifndef DOXYGEN_SHOULD_SKIP_THIS
extern void *SystemVIC_SetISR(ISR_HANDLER((*isr_func)),
                        IRQn_Type               IRQn,
                        signed char             priority ) MOVE_CODE_TO_FLASH;
#else
extern void *SystemVIC_SetISR(*isr_func,
                        IRQn_Type               IRQn,
                        signed char             priority ) MOVE_CODE_TO_FLASH;


#endif /* DOXYGEN_SHOULD_SKIP_THIS */

/**
 * This macro will clear ISR
 *
 *  \param [in]      IRQn  Number of the interrupt for set priority
 *
 */
#define SystemVIC_ClearISR(IRQn)        SystemVIC_SetISR(NULL,IRQn,-1)


uint32_t SysTick_Config(uint32_t ticks);
#ifdef __cplusplus
}
#endif

/**
 * @}
 */

#endif /* __SYSTEM_LPC17xx_H */