fdweak.s

dspic30f6010a的学习事例程序

 /**********************************************************************
 *                                                                     *
 *                        Software License Agreement                   *
 *                                                                     *
 *    The software supplied herewith by Microchip Technology           *
 *    Incorporated (the "Company") for its dsPIC controller            *
 *    is intended and supplied to you, the Company's customer,         *
 *    for use solely and exclusively on Microchip dsPIC                *
 *    products. The software is owned by the Company and/or its        *
 *    supplier, and is protected under applicable copyright laws. All  *
 *    rights are reserved. Any use in violation of the foregoing       *
 *    restrictions may subject the user to criminal sanctions under    *
 *    applicable laws, as well as to civil liability for the breach of *
 *    the terms and conditions of this license.                        *
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 *    THIS SOFTWARE IS PROVIDED IN AN "AS IS" CONDITION.  NO           *
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 *    BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND    *
 *    FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE     *
 *    COMPANY SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,  *
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  **********************************************************************/
;*******************************************************************
; Routines: FdWeak
;
;*******************************************************************

; Common to all routines in file

          .include "general.inc"
          .include "Control.inc"
          .include "FdWeak.inc"

;*******************************************************************
; FdWeak
;  
;Description:        
;
;Equations:
;
;Scaling factors:
;
;Functional prototype:
; 
; void FdWeak( void )
;
;On Entry:   FdWeakParm structure must contain: _FdWeakParm+FdWeak_qK1
;
;On Exit:    FdWeakParm will contain : _CtrlParm+Ctrl_qVdRef
;
;Parameters: 
; Input arguments: None
;
; Return:
;   Void
;
; SFR Settings required:
;         CORCON.SATA  = 0
;         CORCON.IF    = 0
;
; Support routines required: None
;
; Local Stack usage: 0
;
; Registers modified: ??w4,w5,AccA
;
; Timing: ??8 instruction cycles
;
;*******************************************************************
;
;=================== CODE =====================
          .section  .text

; Register usage for FdWeak


          .global   _FdWeakening
          .global   FdWeakening

_FdWeakening:
FdWeakening:

          mov.w     _FdWeakParm+FdWeak_qK1,w0
          mov.w     w0,_CtrlParm+Ctrl_qVdRef
          return

          .end