?? guivalf.c
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/*********************************************************************************************************** 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 : GUIValF.CPurpose : Displaying floating point values----------------------------------------------------------------------Version-Date---Author-Explanation----------------------------------------------------------------------1.00.00 990322 RS First release ----------------------------------------------------------------------Known problems or limitations with current version----------------------------------------------------------------------None.---------------------------END-OF-HEADER------------------------------*/#include "GUI_Protected.H"#include "math.h"/* ******************************************* * * * Helper functions * * * ********************************************/static void _DispFloatFix(float f, char Len, char Decs, int DrawPlusSign) { f *= GUI_Pow10[Decs]; f += 0.5; f = (float) floor (f); if (DrawPlusSign) GUI_DispSDecShift((long)f, Len, Decs); else GUI_DispDecShift((long)f, Len, Decs);}/* ******************************************* * * * optional sign display routines * * * ********************************************/void GUI_DispFloatFix(float f, char Len, char Decs) { _DispFloatFix(f, Len, Decs, 0);}void GUI_DispFloatMin(float f, char Fract) { char Len; Len = GUI_Long2Len((long)f); _DispFloatFix(f, (char)(Len+Fract+1), (char)Fract, 0);}void GUI_DispFloat(float f, char Len) { int Decs; Decs = Len - GUI_Long2Len((long)f)-1; if (Decs<0) Decs =0; _DispFloatFix(f, Len, (char)Decs, 0);}/* ******************************************* * * * Signed display routines * * * ********************************************/void GUI_DispSFloatFix(float f, char Len, char Fract) { _DispFloatFix (f, Len, Fract, 1);}void GUI_DispSFloatMin(float f, char Fract) { char Len; Len = GUI_Long2Len((long)f); if (f>0) Len++; _DispFloatFix(f, (char)(Len+Fract+1), (char)Fract, 1);}
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