/***********************************************************************************************************                                                uC/GUI*                        Universal graphic software for embedded applications**                       (c) Copyright 2002, Micrium Inc., Weston, FL*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH**              礐/GUI is protected by international copyright laws. Knowledge of the*              source code may not be used to write a similar product. This file may*              only be used in accordance with a license and should not be redistributed*              in any way. We appreciate your understanding and fairness.*----------------------------------------------------------------------File        : EditBinPurpose     : Edit binary values---------------------------END-OF-HEADER------------------------------*/#include <string.h>#include "EDIT.h"#include "GUIDebug.h"#include "GUI_Protected.h"#include "EDIT_Private.h"#if GUI_WINSUPPORT/***********************************************************************             Helpers************************************************************************/static int _BinChar2Int(int Char) {  if ((Char >= '0') && (Char <= '1'))    return Char - '0';  return -1;}static void _UpdateBuffer(EDIT_Obj* pObj) {  char * s = (char*) WM_HMEM2Ptr(pObj->hpText);  GUI_AddBin(pObj->CurrentValue, pObj->MaxLen, &s);}static void _EditBin(U8 Bit, EDIT_Obj* pObj, EDIT_Handle hObj) {  int Pos = pObj->MaxLen - pObj->CursorPos - 1;   /* Bit position */  U32 AndMask = ~(1   << Pos);  U32 OrMask  =   Bit << Pos;  I32 Result  = pObj->CurrentValue & AndMask;  Result     |= OrMask;  EDIT_SetValue(hObj, Result);  /*  U32 AndMask = ~(1   << Pos);  U32 OrMask  =   Bit << Pos;  pObj->CurrentValue &= AndMask;  pObj->CurrentValue |= OrMask;  if (pObj->CurrentValue > (U32)pObj->Max)    pObj->CurrentValue = pObj->Max;  if (pObj->CurrentValue < (U32)pObj->Min)    pObj->CurrentValue = pObj->Min;  */}static U8 _GetCurrentBit(EDIT_Obj* pObj) {  int Pos = pObj->MaxLen - pObj->CursorPos - 1;   /* Bit position */  U32 AndMask = 1 << Pos;  U8 Bit = (pObj->CurrentValue & AndMask) >> Pos;  return Bit;}static int _GetNumDigits(U32 Value) {  int Ret;  for (Ret = 0; Value; Value >>= 1, Ret++);  return Ret;}/***********************************************************************             Handle input************************************************************************/static void _AddKeyBin(EDIT_Obj* pObj, EDIT_Handle hObj, int Key) {  if (pObj) {    switch (Key) {      case GUI_KEY_UP:        {          int Bit = _GetCurrentBit(pObj) + 1;          if (Bit > 1)            Bit = 0;          _EditBin(Bit, pObj, hObj);        }        break;      case GUI_KEY_DOWN:        {          int Bit = _GetCurrentBit(pObj) - 1;          if (Bit < 0)            Bit = 1;          _EditBin(Bit, pObj, hObj);        }        break;      case GUI_KEY_RIGHT:        if (pObj->CursorPos < (pObj->MaxLen - 1))          pObj->CursorPos++;        break;      case GUI_KEY_LEFT:        if (pObj->CursorPos > 0)          pObj->CursorPos--;        break;      default:        {          int Bit = _BinChar2Int(Key);          if (Bit >= 0) {            _EditBin(Bit, pObj, hObj);            if (pObj->CursorPos < (pObj->MaxLen - 1))              pObj->CursorPos++;          }        }        break;    }  }  _UpdateBuffer(pObj);}/***********************************************************************             Exported routines************************************************************************/void EDIT_SetBinMode(EDIT_Handle hEdit, U32 Value, U32 Min, U32 Max) {  EDIT_Obj* pObj;  int MaxLen;  WM_LOCK();  pObj = EDIT_H2P(hEdit);  pObj->pfAddKeyEx    = _AddKeyBin;  pObj->pfUpdateBufer = _UpdateBuffer;  pObj->CurrentValue = Value;  pObj->CursorPos = 0;  MaxLen = pObj->MaxLen;  if (MaxLen <= 0 ) {    MaxLen = _GetNumDigits(Max);  }  if (MaxLen > 32) {    MaxLen = 32;  }  if (MaxLen != pObj->MaxLen) {    EDIT_SetMaxLen(hEdit, MaxLen);  }  pObj->Min = Min;  pObj->Max = Max;  pObj->EditMode = GUI_EDIT_MODE_OVERWRITE;  _UpdateBuffer(pObj);  WM_UNLOCK();}#else  /* avoid empty object files */void EditBin_C(void);#endif /* GUI_WINSUPPORT */