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<div class=Section1>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Zdravim</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>1)<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Vychazel</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> jsem z vety: </span></font><b style='mso-bidi-font-weight:
normal'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;
font-weight:bold;mso-bidi-font-weight:normal'>A <span class=SpellE>ted</span>
babo rad jak to narvat do <span class=SpellE>maleho</span> 8bit MCU a minima <span
class=SpellE>pameti</span> ?</span></font></b><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Z <span class=SpellE>cehoz</span> mi <span
class=SpellE>vyslo</span>, ze je <span class=SpellE>potreba</span>
optimalizovat <span class=SpellE>vypocet</span> a mnou <span class=SpellE>uvedenym</span>
postupem se <span class=SpellE>zbavite</span> jednoho <span class=SpellE>nasobeni</span>,
jednoho <span class=SpellE>prevodu</span>:<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Integer</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> -> <span class=SpellE>Float</span> a pak <span class=SpellE>zpet</span>
<span class=SpellE>Float</span>-><span class=SpellE>Integer</span><o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Deleni</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> se <span class=SpellE>vlastne</span> <span class=SpellE>vubec</span>
<span class=SpellE>neobjevi</span>, <span class=SpellE>protoze</span> je <span
class=SpellE>realizaovano</span> <span class=SpellE>bitovym</span>
posuvem…<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Uz</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> toto samo o sobe <span class=SpellE>muze</span> znamenat tak 100
– 200 instrukci na <span class=SpellE>vetsine</span> procesoru a to <span
class=SpellE>minimalne</span>!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ptal jsem se po <span class=SpellE>vyznamech</span>
<span class=SpellE>jednotlivych</span> <span class=SpellE>promennych</span>
z <span class=SpellE>duvodu</span> toho,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>ze teprve <span class=SpellE>timto</span> <span
class=SpellE>zpusobem</span> se <span class=SpellE>da</span> navrhnout <span
class=SpellE>nejaka</span> <span class=SpellE>smysluplna</span> optimalizace <span
class=SpellE>vypoctu</span>,<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>ktera</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> <span class=SpellE>umozni</span> realizaci i na <span
class=SpellE>malem</span> procesoru s malou <span class=SpellE>pameti</span>…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pokud <span class=SpellE>znam</span>
vlastnosti <span class=SpellE>promennych</span>, tak <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>3)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Zkuste ale <span class=SpellE>popremyslet</span>
o tomto:<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Kazde</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> <span class=SpellE>cislo</span> <span class=SpellE>uz</span> <span
class=SpellE>mame</span> <span class=SpellE>vlastne</span> v <span
class=SpellE>bitovem</span> <span class=SpellE>zapisu</span> v procesoru.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>A ze <span class=SpellE>zakladni</span> <span
class=SpellE>skoly</span> <span class=SpellE>vime</span>, ze <span
class=SpellE>podil</span> dvou <span class=SpellE>cisel</span> v <span
class=SpellE>expanencialnim</span> tvaru:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>a^x/a^y<span style='mso-spacerun:yes'>
</span>= a^(x-y)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>My sice <span class=SpellE>mame</span>
polynomy, ale <span class=SpellE>limitne</span> to zhruba pasuje i pro
ne…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Takze</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> si projdu <span class=SpellE>kazdou</span> <span class=SpellE>promennou</span>
bit po bitu od <span class=SpellE>nejvyssiho</span> po <span class=SpellE>nejnizsi</span>
a <span class=SpellE>ptam</span> se, <span class=SpellE>ktery</span> je <span
class=SpellE>prvni</span> nastaven na <span class=SpellE>jednicku</span>…<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Kdyz</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> jej najdu tak si <span class=SpellE>ulozim</span> pozici bitu, ke <span
class=SpellE>ktere</span> ale <span class=SpellE>prictu</span> <span
class=SpellE>jednicku</span>.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Mimo to <span class=SpellE>musite</span> <span
class=SpellE>davat</span> pozor, jak je <span class=SpellE>ulozeno</span> <span
class=SpellE>znamenko</span> <span class=SpellE>dane</span> <span class=SpellE>promenne</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Kdyz</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> tohle provedu pro <span class=SpellE>Cx</span> a pozice bude <span
class=SpellE>napriklad</span> v <span class=SpellE>promenne</span> n_<span
class=SpellE>cx</span>, tak bude platit toto:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Cx</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> + 1 <= 2^n_<span class=SpellE>cx</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pro <span class=SpellE>Fx</span>:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Fx</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> + 1 <= 2^n_<span class=SpellE>fx</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>A <span class=SpellE>ted</span>, <span
class=SpellE>protoze</span> chcete dostavovat pomoci <span class=SpellE>promenne</span>
Y bude <span class=SpellE>puvodni</span> rovnice v <span class=SpellE>nasich</span>
„<span class=SpellE>fiktivnich</span>" exponentech vypadat takto:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2^n_<span class=SpellE>fx</span> =
(2^n_x/2^n_<span class=SpellE>cx</span>)<span style='mso-spacerun:yes'>
</span>*<span style='mso-spacerun:yes'> </span>2^n_k<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2^n_k reprezentuje zbytek <span
class=SpellE>vyrazu</span> : </span></font><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>(1-0.2489.Y) ale <span class=SpellE>kladne</span>
<span class=SpellE>vycislene</span>, jako <span class=SpellE>absolutni</span>
hodnotu <span class=SpellE>vyrazu</span>…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pak se vyraz <span class=SpellE>upravi</span>:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2^n_<span class=SpellE>fx</span> =
(2^n_x/2^n_<span class=SpellE>cx</span>)<span style='mso-spacerun:yes'>
</span>*<span style='mso-spacerun:yes'> </span>2^n_k<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2^n_<span class=SpellE>fx</span> * 2^n_<span
class=SpellE>cx</span> / 2^n_x =<span style='mso-spacerun:yes'> </span>2^n_k<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>n_<span class=SpellE>fx</span> +<span
style='mso-spacerun:yes'> </span>n_<span class=SpellE>cx</span><span
style='mso-spacerun:yes'> </span>- n_x=<span style='mso-spacerun:yes'>
</span>n_k<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>n_<span class=SpellE>fx</span> +<span
style='mso-spacerun:yes'> </span>n_<span class=SpellE>cx</span><span
style='mso-spacerun:yes'> </span>- n_x - n_k<span style='mso-spacerun:yes'>
</span>= 0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>n_<span class=SpellE>fx</span> +<span
style='mso-spacerun:yes'> </span>n_<span class=SpellE>cx</span><span
style='mso-spacerun:yes'> </span>mate <span class=SpellE>vlastne</span> <span
class=SpellE>zadano</span> <span class=SpellE>uzivatelsym</span> <span
class=SpellE>nastavenim</span>/daty<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Urcite</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> si zhruba <span class=SpellE>mozna</span> <span class=SpellE>rozmezi</span>
n_k vhledem k <span class=SpellE>vyrazu</span>: ABS(</span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>(1-0.2489.Y))<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>A neleknete se, ze n_<span class=SpellE>fx</span>,n_<span
class=SpellE>cx</span>,n_k,n_x budou <span class=SpellE>mit</span> <span
class=SpellE>vetsi</span> <span class=SpellE>pocet</span> bitu <span
class=SpellE>nez</span> je <span class=SpellE>bitova</span> velikost <span
class=SpellE>promenne</span>,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>ale nikdy ne <span class=SpellE>vice</span>
<span class=SpellE>nez</span> o jede bit!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>No a pozor, vyraz se <span class=SpellE>nemusi</span>
<span class=SpellE>presne</span> rovnat nule, ale je <span class=SpellE>mozne</span>
tolerovat male odchylky…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Druha <span class=SpellE>vec</span> je, ze
pro <span class=SpellE>urcite</span> nastaveni <span class=SpellE>vubec</span> <span
class=SpellE>nemusi</span> byt <span class=SpellE>mozne</span> ten <span
class=SpellE>Vas</span> vyraz <span class=SpellE>vypocitat</span>!!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ze snahy se co <span class=SpellE>nejvice</span>
<span class=SpellE>priblizit</span> nule <span class=SpellE>Vam</span> vylezou <span
class=SpellE>nejake</span> n_x a n_k. U n_k bych <span class=SpellE>doporucoval</span>
tabulku,<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>ktera</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> <span class=SpellE>danemu</span> n_k <span class=SpellE>priradi</span>
Y a <span class=SpellE>vysledek</span> <span class=SpellE>vyrazu</span> </span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>(1-0.2489.Y)<font
color=navy><span style='color:navy'><o:p></o:p></span></font></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Postup je asi <span class=SpellE>takovyto</span>:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Krok 1:<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Nastavite</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> n_k a n_x na <span class=SpellE>na</span> <span class=SpellE>nejaky</span>
odhad<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Krok 2:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Provedete <span class=SpellE>vypocet</span>:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>n_<span class=SpellE>fx</span> +<span
style='mso-spacerun:yes'> </span>n_<span class=SpellE>cx</span><span
style='mso-spacerun:yes'> </span>- n_x - n_k<span style='mso-spacerun:yes'>
</span>= 0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Krok 3:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pokud je vyraz > 0</span></font><font
size=2 color=navy face=Arial><span lang=DE style='font-size:10.0pt;font-family:
Arial;color:navy;mso-ansi-language:DE'>, <span class=SpellE>tak</span> JDI NA <span
class=SpellE>krok</span> 4<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=DE style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
DE'>Jinak</span></font></span><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'> JDI
NA <span class=SpellE>Krok</span> 6:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'>Krok</span></font></span><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'> 4:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2^(n_<span class=SpellE>cx</span> –
1) >= <span class=SpellE>Cx</span>, pokud ano, tak n_<span class=SpellE>cx</span>
= n_<span class=SpellE>cx</span> – 1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2^(n_<span class=SpellE>fx</span> -
1)<span style='mso-spacerun:yes'> </span>>=<span style='mso-spacerun:yes'>
</span><span class=SpellE>Fx</span>, pokud ano, tak n_<span class=SpellE>fx</span>
= n_<span class=SpellE>fx</span> - 1</span></font><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'><o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'>Pokud</span></font></span><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'> <span class=SpellE>ani</span> <span class=SpellE>jedno</span> <span
class=SpellE>neni</span> <span class=SpellE>pravda</span>, JDI NA <span
class=SpellE>Krok</span> 5:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'>JDI
NA <span class=SpellE>Krok</span> 2<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=DE style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
DE'>Krok</span></font></span><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'> 5:<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=DE style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
DE'>n_x</span></font></span><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'> + 1
<= <span class=SpellE><span class=GramE>mezni</span></span><span
class=GramE> ??</span> <span class=SpellE>Pokud</span> <span class=SpellE>ano</span>,
<span class=SpellE>n_x</span> = <span class=SpellE>n_x</span> +1<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=DE style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
DE'>n_k</span></font></span><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'> + 1
<= <span class=SpellE><span class=GramE>mezni</span></span><span
class=GramE> ??</span> </span></font><span class=SpellE><font size=2
color=navy face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:
Arial;color:navy;mso-ansi-language:EN-US'>Pokud</span></font></span><font
size=2 color=navy face=Arial><span lang=EN-US style='font-size:10.0pt;
font-family:Arial;color:navy;mso-ansi-language:EN-US'> <span class=SpellE>ano</span>,
<span class=SpellE>n_k</span> = <span class=SpellE>n_k</span> +1<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'>Ani</span></font></span><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'> <span class=SpellE>jedno</span> <span class=SpellE>neni</span> <span
class=SpellE>pravda</span>: <span class=SpellE>Vypocet</span> <span
class=SpellE>nelze</span> <span class=SpellE>dokoncit</span>!!!!!<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'>Jinak</span></font></span><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'> <span class=SpellE>zpet</span>: JDI NA <span class=SpellE>Krok</span> 2<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=DE style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
DE'>Krok</span></font></span><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:DE'> 6:<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'>Mame</span></font></span><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'> <span class=SpellE>hruby</span> <span class=SpellE>odhad</span>…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>X
= 2^n_x<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>Y
z <span class=SpellE>tabulky</span> <span class=SpellE>podle</span> <span
class=SpellE>n_k</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'>Pokud</span></font></span><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:
EN-US'> <span class=SpellE>jeste</span> <span class=SpellE>nebudete</span> s <span
class=SpellE>priblizenim</span> <span class=SpellE>dostatecne</span> <span
class=SpellE>spokojen</span>, <span class=SpellE>tak</span> <span class=SpellE>zacnete</span>
<span class=SpellE>dostavovat</span> Y <span class=SpellE>nebo</span> X…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Je to <span class=SpellE>vice</span> <span
class=SpellE>nez</span> <span class=SpellE>mirne</span> <span class=SpellE>krkolomne</span>,
ale <span class=SpellE>ma</span> to <span class=SpellE>vyhodu</span>
v tom, ze tam <span class=SpellE>neni</span> <span class=SpellE>zadne</span>
<span class=SpellE>deleni</span>,<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>zadne</span></font></span><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> <span class=SpellE>nasobeni</span>, ale jen <span class=SpellE>soucty</span>,
<span class=SpellE>rozdily</span> a <span class=SpellE>hledani</span> <span
class=SpellE>nejvyssiho</span> bitu…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Algoritmus <span class=SpellE>muzete</span>
<span class=SpellE>ruzne</span> upravovat, tohle <span class=SpellE>neni</span>
<span class=SpellE>nejjednodussi</span> ani <span class=SpellE>nejoptimalnejsi</span>,
ale <span class=SpellE>dokaze</span> to <span class=SpellE>udelat</span> rychle
<span class=SpellE>prvni</span> odhad.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Mne se takto povedlo zoptimalizovat par <span
class=SpellE>vypoctu</span>, kde bylo hlavni najit rychle <span class=SpellE>prvni</span>
odhad.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Proste hlavni <span class=SpellE>myslenka</span>
je v tom, ze <span class=SpellE>prevodem</span> <span class=SpellE>cisel</span>
na <span class=SpellE>exponencialni</span> tvar se <span class=SpellE>da</span>
<span class=SpellE>udelat</span> dobry <span class=SpellE>prvni</span>
odhad…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:12.0pt;color:navy;mso-ansi-language:EN-US;
mso-no-proof:yes'>S pozdravem,<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:12.0pt;color:navy;mso-ansi-language:EN-US;
mso-no-proof:yes'><span style='mso-spacerun:yes'>
</span>Marek Pavlu<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>-----<span class=SpellE>Original</span> <span class=SpellE>Message</span>-----<br>
<b><span style='font-weight:bold'>From:</span></b> hw-list-bounces@mailman.nethouse.cz
[mailto:hw-list-bounces@mailman.nethouse.cz] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Malecek<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, August 11, 2004
8:47 AM<br>
<b><span style='font-weight:bold'>To:</span></b> [HWnews]<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: Jak resite na MCU
nasledujici problem ?</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Asi jsem se nepresne vyjadril, ale ono ani tak nejde o to ja
zjednodusit uvadenou rovnici, ale o to jak co nejrychleji a predevsim
nejpresneji</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>nastavit parametry zarizeni tak aby se prava strana rovnice
co nejvice priblizila zadane hodnote Fx (do MCU ji zasila nadrizeny system nebo
pripadne i obsluha)</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Fx je 32bit integer a vyjadruje pozadovane nastaveni
pristroje a pro to abych toho dosahl mam k dispozici tri ovladaci prvky:</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>- Cx coz je vyctovy typ typu integer dnes 16 bit v budoucnu
24bit pro predstavu muze nabyvat hodnot v radu 20,200,2000,20000,200000 v
realu jde o logiku ovladajici ventily</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>- X + Y coz jsou 12 integer ( v pripade Y hodnota
se znamenkem) v realu 12bit DA prevodniky ovladajici volaake cudo.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Z rovnice a vahy jednotlivych promenych je videt, ze
nejvetsi vliv ma Cx nasleduje X a Y, kterym lze nejjemeji dostavit system.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Tak ze jde o to jak co neefektivneji urcit v MCU
hodnoty Cx,X,Y,</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Zatim to delam tak, ze pomoci pevne nastavenych podminek
(podle velikosti Fx) urcim Cx </span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>nasledne provedu vypocet X=Fx*Cx cimz urcim hodnotu a
nastaveni prevodniku X</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>a v poslednim kroku kdy uz mam v rovnici jen jednu neznamou
dopocitam Y.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Nicmene mi to nepripada prilis matematicky elegantni
a z duvodu nejake certifikace musi byt k zarizeni prilozen podrobny popis
pouziteho algoritmu a ja si nechci uriznout ostudu a tak se ptam, zda neni
nejaky vice matematicky zpusob. :-)))</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>----- Original Message ----- <o:p></o:p></span></font></p>
</div>
<div style='font-color:black'>
<p class=MsoNormal style='background:#E4E4E4'><b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span></font></b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:marekpavlu@mybox.cz" title="marekpavlu@mybox.cz">Marek Pavlů</a> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>To:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:hw-list@mailman.nethouse.cz" title="hw-list@mailman.nethouse.cz">'[HWnews]'</a>
<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Sent:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Wednesday, August
11, 2004 2:42 AM<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Subject:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> RE: Jak resite na
MCU nasledujici problem ?<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Zdravim,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Mozna, kdyz reknete, co ty promenne
X,Y,Cx,Fx jsou, tak nekdo neco poradi.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Sice uvadite pocty bitu na jednotlive
parametry, ale neuvadite, jestli realna/prirozena cisla…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Predpokladam tedy, ze X,Y,Cx jsou
prirozena cisla…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pak:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>0.2489 nahradime cislem 1/4
s presnosti na jednu desetinu.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Fx=(X/Cx).(1-Y/4) = (X/Cx).(4-Y)/4 = -1 . (X/Cx) . (Y
– 4) / 4<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Deleni ctyrmi provedete jako bitovy posuv doprava, takze
zustava jen jedno nasobeni a jedno deleni.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>+,- nepocitam, tam je to jednoduche, ale pokud je neco
z cisel realne, tak bude dalsi kod bastit prevod <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>prirozene >> realne<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Vic se z toho vypotit neda </span></font><font size=2
face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-char-type:
symbol;mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;
mso-symbol-font-family:Wingdings'>J</span></span></font><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Nechcete se vice rozepsat o tom, co tyhle tajne konstanty
znamenaji </span></font><font size=2 face=Wingdings><span style='font-size:
10.0pt;font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;mso-char-type:symbol;mso-symbol-font-family:
Wingdings'><span style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>J</span></span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>…..
???<o:p></o:p></span></font></p>
<div>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy;mso-no-proof:yes'>Popripade, jak je to
zapojeno ????<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy;mso-no-proof:yes'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy;mso-no-proof:yes'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:12.0pt;color:navy;mso-ansi-language:EN-US;
mso-no-proof:yes'>S pozdravem,<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:12.0pt;color:navy;mso-ansi-language:EN-US;
mso-no-proof:yes'><span style='mso-spacerun:yes'>
</span>Marek Pavlu<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> hw-list-bounces@mailman.nethouse.cz
[mailto:hw-list-bounces@mailman.nethouse.cz] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Malecek<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, August 10, 2004
8:20 PM<br>
<b><span style='font-weight:bold'>To:</span></b> [HWnews]<br>
<b><span style='font-weight:bold'>Subject:</span></b> Jak resite na MCU
nasledujici problem ?</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Mam funkci Fx=(X/Cx).(1-0.2489.Y)</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>pricemz:</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Cx je vyctovy typ, ktery muze nabyvat cca 10 hodnot typu
integer 16bit</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>X a Y jsou 12bitova cisla nastavujici DA prevodniky</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>a Fx je hodnota (32bit), kterou do MCU zasle nadrizeny
system a ukolem MCU je </span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>vybrat Cx a nastavit X , Y tak aby se prava
strana rovnice co nejvice priblizila pozadovane hodnote Fx.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>A ted babo rad jak to narvat do maleho 8bit MCU a minima
pameti ?</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Me soucasne reseni:</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>nejdrive podle velikosti Fx a pevne danych podminek vybere
hodnotu Cx (hodnota Cx je v rozsahu 4 radu),</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>nasledne provedu vypocet X=Fx.Cx a</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>nasledne provedu jemne doladeni pomoci hodnoty Y.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Nicmene mi to vubec nepripada matematicky sofistikovane a
dostatecne in.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Je nejake lepsi reseni o kterem nevim ?</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dekuji za pripominky.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
</div>
<p style='margin-bottom:12.0pt'><font size=2 face="Arial CE"><span
style='font-size:10.0pt;font-family:"Arial CE"'>---<br>
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Virova databaze (VPS): 0433-1, 09/08/2004<br>
Testovano: 10.8.2004 21:44:35<br>
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<![endif]></span></font><o:p></o:p></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
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