www.pudn.com > ucosv2(GUI).rar > GUI_AddHex.c

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              µC/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        : GUI_AddHex.c 
Purpose     : Converts hex value 2 string 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "GUI_Protected.H" 
 
/********************************************************************* 
* 
*        GUI_AddHex 
* 
********************************************************************** 
*/ 
 
static const char acHex[16] =  {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; 
 
void GUI_AddHex(U32 v, U8 Len, char**ps) { 
  char *s = *ps; 
  if (Len > 8) 
    return; 
  (*ps) += Len; 
  **ps     = '\0';     /* Make sure string is 0-terminated */ 
  while(Len--) { 
    *(s+Len) = acHex[v&15]; 
    v>>=4; 
  } 
}