lib_def.h

ucos-ii 的完整代码

#error  "                   [See 'cpu.h  CONFIGURATION ERRORS']"

#endif


/*$PAGE*/
                                                                /* ------------------- TIME DEFINES ------------------- */
#define  DEF_TIME_NBR_HR_PER_DAY                          24uL

#define  DEF_TIME_NBR_MIN_PER_HR                          60uL
#define  DEF_TIME_NBR_MIN_PER_DAY                       (DEF_TIME_NBR_MIN_PER_HR  * DEF_TIME_NBR_HR_PER_DAY)

#define  DEF_TIME_NBR_SEC_PER_MIN                         60uL
#define  DEF_TIME_NBR_SEC_PER_HR                        (DEF_TIME_NBR_SEC_PER_MIN * DEF_TIME_NBR_MIN_PER_HR)
#define  DEF_TIME_NBR_SEC_PER_DAY                       (DEF_TIME_NBR_SEC_PER_HR  * DEF_TIME_NBR_HR_PER_DAY)

#define  DEF_TIME_NBR_mS_PER_SEC                        1000uL
#define  DEF_TIME_NBR_uS_PER_SEC                     1000000uL
#define  DEF_TIME_NBR_nS_PER_SEC                  1000000000uL


/*$PAGE*/
/*
*********************************************************************************************************
*                                             BIT MACRO'S
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                              DEF_BIT()
*
* Description : Create bit mask with single, specified bit set.
*
* Argument(s) : bit         Bit number of bit to set.
*
* Return(s)   : Bit mask with single, specified bit set.
*
* Caller(s)   : various.
*
* Note(s)     : (1) 'bit' values that overflow the target CPU &/or compiler environment (e.g. negative
*                   or greater-than-CPU-data-size values) MAY generate compiler warnings &/or errors.
*********************************************************************************************************
*/

#define  DEF_BIT(bit)                            (1u << (bit))


/*$PAGE*/
/*
*********************************************************************************************************
*                                           DEF_BIT_MASK()
*
* Description : Shift a bit mask.
*
* Argument(s) : bit_mask    Bit mask to shift.
*
*               bit_shift   Number of bit positions to left-shift bit mask.
*
* Return(s)   : Shifted bit mask.
*
* Caller(s)   : various.
*
* Note(s)     : (1) 'bit_shift' values that overflow the target CPU &/or compiler environment (e.g. negative
*                   or greater-than-CPU-data-size values) MAY generate compiler warnings &/or errors.
*********************************************************************************************************
*/

#define  DEF_BIT_MASK(bit_mask, bit_shift)             ((bit_mask)       << (bit_shift))


/*
*********************************************************************************************************
*                                           DEF_BIT_FIELD()
*
* Description : Create & shift a contiguous bit field.
*
* Argument(s) : bit_field   Number of contiguous bits to set in the bit field.
*
*               bit_shift   Number of bit positions   to left-shift bit field.
*
* Return(s)   : Shifted bit field.
*
* Caller(s)   : various.
*
* Note(s)     : (1) 'bit_field'/'bit_shift' values that overflow the target CPU &/or compiler environment 
*                   (e.g. negative or greater-than-CPU-data-size values) MAY generate compiler warnings
*                   &/or errors.
*********************************************************************************************************
*/

#define  DEF_BIT_FIELD(bit_field, bit_shift)         ((((bit_field) >= DEF_INT_CPU_NBR_BITS) ? (DEF_INT_CPU_U_MAX_VAL)   \
                                                                                             : (DEF_BIT(bit_field) - 1)) \
                                                                                                    << (bit_shift))


/*$PAGE*/
/*
*********************************************************************************************************
*                                            DEF_BIT_SET()
*
* Description : Set specified bit(s) in a value.
*
* Argument(s) : val         Value to modify by setting specified bit(s).
*
*               mask        Mask of bits to set.
*
* Return(s)   : Modified value with specified bit(s) set.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_BIT_SET(val, mask)                       { (val) |=  (mask); }


/*
*********************************************************************************************************
*                                            DEF_BIT_CLR()
*
* Description : Clear specified bit(s) in a value.
*
* Argument(s) : val         Value to modify by clearing specified bit(s).
*
*               mask        Mask of bits to clear.
*
* Return(s)   : Modified value with specified bit(s) clear.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_BIT_CLR(val, mask)                       { (val) &= ~(mask); }


/*$PAGE*/
/*
*********************************************************************************************************
*                                          DEF_BIT_IS_SET()
*
* Description : Determine if specified bit(s) in a value are set.
*
* Argument(s) : val         Value to check for specified bit(s) set.
*
*               mask        Mask of bits to check if set.
*
* Return(s)   : DEF_YES, if ALL specified bit(s) are     set in value.
*     
*               DEF_NO,	 if ALL specified bit(s) are NOT set in value.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_BIT_IS_SET(val, mask)                   ((((val) & (mask)) == (mask)) ? (DEF_YES) : (DEF_NO ))


/*
*********************************************************************************************************
*                                          DEF_BIT_IS_CLR()
*
* Description : Determine if specified bit(s) in a value are clear.
*
* Argument(s) : val         Value to check for specified bit(s) clear.
*
*               mask        Mask of bits to check if clear.
*
* Return(s)   : DEF_YES, if ALL specified bit(s) are     clear in value.
*     
*               DEF_NO,	 if ALL specified bit(s) are NOT clear in value.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_BIT_IS_CLR(val, mask)                    (((val) & (mask))            ? (DEF_NO ) : (DEF_YES))


/*$PAGE*/
/*
*********************************************************************************************************
*                                        DEF_BIT_IS_SET_ANY()
*
* Description : Determine if any specified bit(s) in a value are set.
*
* Argument(s) : val         Value to check for specified bit(s) set.
*
*               mask        Mask of bits to check if set.
*
* Return(s)   : DEF_YES, if ANY specified bit(s) are     set in value.
*     
*               DEF_NO,	 if ALL specified bit(s) are NOT set in value.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_BIT_IS_SET_ANY(val, mask)                (((val) & (mask))            ? (DEF_YES) : (DEF_NO ))


/*
*********************************************************************************************************
*                                        DEF_BIT_IS_CLR_ANY()
*
* Description : Determine if any specified bit(s) in a value are clear.
*
* Argument(s) : val         Value to check for specified bit(s) clear.
*
*               mask        Mask of bits to check if clear.
*
* Return(s)   : DEF_YES, if ANY specified bit(s) are     clear in value.
*     
*               DEF_NO,	 if ALL specified bit(s) are NOT clear in value.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_BIT_IS_CLR_ANY(val, mask)               ((((val) & (mask)) != (mask)) ? (DEF_YES) : (DEF_NO ))


/*$PAGE*/
/*
*********************************************************************************************************
*                                            MATH MACRO'S
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                              DEF_MIN()
*
* Description : Determine the minimum of two values.
*
* Argument(s) : a           First  value.
*
*               b           Second value.
*
* Return(s)   : Minimum of the two values.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_MIN(a, b)                                  (((a) < (b)) ? (a) : (b))


/*
*********************************************************************************************************
*                                              DEF_MAX()
*
* Description : Determine the maximum of two values.
*
* Argument(s) : a           First  value.
*
*               b           Second value.
*
* Return(s)   : Maximum of the two values.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_MAX(a, b)                                  (((a) > (b)) ? (a) : (b))


/*$PAGE*/
/*
*********************************************************************************************************
*                                              DEF_ABS()
*
* Description : Determine the absolute value of a value.
*
* Argument(s) : a           Value to calculate absolute value.
*
* Return(s)   : Absolute value of the value.
*
* Caller(s)   : various.
*
* Note(s)     : none.
*********************************************************************************************************
*/

#define  DEF_ABS(a)                                     (((a) < 0) ? (-(a)) : (a))


/*$PAGE*/
/*
*********************************************************************************************************
*                                             MODULE END
*********************************************************************************************************
*/

#endif                                                          /* End of lib def module include.                       */