hal_int.h

cc2430编程实例,非常适合初学者学习。

/******************************************************************************
  Filename:     hal_int.h

  Description:  HAL interrupt control header file

******************************************************************************/


#ifndef HAL_INT_H
#define HAL_INT_H

#ifdef __cplusplus
extern "C" {
#endif

/******************************************************************************
 * INCLUDES
 */
#include "hal_types.h"


/******************************************************************************
 * MACROS
 */

#if (defined __ICC430__) || defined(__MSP430__)

// Use the macros below to reduce function call overhead for common
// global interrupt control functions


#if (defined __ICC430__)
#define HAL_INT_ON(x)      st( __enable_interrupt(); )
#define HAL_INT_OFF(x)     st( __disable_interrupt(); )
#define HAL_INT_LOCK(x)    st( (x) = __get_interrupt_state(); \
                               __disable_interrupt(); )
#define HAL_INT_UNLOCK(x)  st( __set_interrupt_state(x); )
#endif

#if (defined __MSP430__)
#define HAL_INT_ON(x)      st( _enable_interrupts(); )
#define HAL_INT_OFF(x)     st( _disable_interrupts(); )
#define HAL_INT_LOCK(x)    st( (x) = _get_SR_register(); \
                               _disable_interrupts(); )
#define HAL_INT_UNLOCK(x)  st( _enable_interrupts(); /*_bis_SR_register(x);*/ )
#endif

#elif defined __ICC8051__

#define HAL_INT_ON(x)      st( EA = 1; )
#define HAL_INT_OFF(x)     st( EA = 0; )
#define HAL_INT_LOCK(x)    st( (x) = EA; EA = 0; )
#define HAL_INT_UNLOCK(x)  st( EA = (x); )

typedef unsigned short istate_t;

#elif defined WIN32

#define HAL_INT_ON()
#define HAL_INT_OFF()
#define HAL_INT_LOCK(x)    st ((x)= 1; )
#define HAL_INT_UNLOCK(x)

#elif defined __KEIL__

#define HAL_INT_ON(x)      st( EA = 1; )
#define HAL_INT_OFF(x)     st( EA = 0; )
#define HAL_INT_LOCK(x)    st( (x) = EA; EA = 0; )
#define HAL_INT_UNLOCK(x)  st( EA = (x); )



#else
#error "Unsupported compiler"
#endif


/******************************************************************************
 * GLOBAL FUNCTIONS
 */

void   halIntOn(void);
void   halIntOff(void);
uint16 halIntLock(void);
void   halIntUnlock(uint16 key);


#ifdef  __cplusplus
}
#endif


/***********************************************************************************
  Copyright 2007 Texas Instruments Incorporated. All rights reserved.

  IMPORTANT: Your use of this Software is limited to those specific rights
  granted under the terms of a software license agreement between the user
  who downloaded the software, his/her employer (which must be your employer)
  and Texas Instruments Incorporated (the "License").  You may not use this
  Software unless you agree to abide by the terms of the License. The License
  limits your use, and you acknowledge, that the Software may not be modified,
  copied or distributed unless embedded on a Texas Instruments microcontroller
  or used solely and exclusively in conjunction with a Texas Instruments radio
  frequency transceiver, which is integrated into your product.  Other than for
  the foregoing purpose, you may not use, reproduce, copy, prepare derivative
  works of, modify, distribute, perform, display or sell this Software and/or
  its documentation for any purpose.

  YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
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