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</o:shapelayout></xml><![endif]--></head><body lang=CS link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Teď jsem se dostal k PC, tohle funguje . Díky za nakopnutí panu Zuffovi. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Velice pomohlo.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Je to v podstatě jednoduchý, nějak mě tohle nenapadlo.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Míra <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Hw-list [mailto:hw-list-bounces@list.hw.cz] <b>On Behalf Of </b>Zuffa Jan<br><b>Sent:</b> Friday, May 12, 2017 1:05 PM<br><b>To:</b> HW-news<br><b>Subject:</b> RE: C xc8 rozkald double na byty<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Zdravim,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>skuste takto:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>#define _NR 560.0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>double x = _NR;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>#define byt1 _NR & 0xff<br>#define byt2 (_NR >> 8) &0xff<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>#define byt3 (_NR >> 16) &0xff<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>j<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Hw-list [<a href="mailto:hw-list-bounces@list.hw.cz">mailto:hw-list-bounces@list.hw.cz</a>] <b>On Behalf Of </b>Miroslav Draxal<br><b>Sent:</b> Friday, May 12, 2017 12:18 PM<br><b>To:</b> 'HW-news'<br><b>Subject:</b> RE: C xc8 rozkald double na byty<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dá se nastavit přesnost 3 (dokonce) nebo 4 byty v XC8 linker/Memory model <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Potřebuju to dostat do define, protože to pak ukládám do eeprom v době vývoje.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><br> <br>#define byt1 0x44<br>#define byt2 0x0C<br>#define byt3 0x00<br>#define byt4 0x00 // což je prezentace 0x440C0000 což je 560.0<span style='color:#1F497D'><o:p></o:p></span></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>__EEPROM_DATA(byt1, byt2, byt3, byt4, 0, 0,0, 0);<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Hw-list [<a href="mailto:hw-list-bounces@list.hw.cz">mailto:hw-list-bounces@list.hw.cz</a>] <b>On Behalf Of </b>Tomáš Hamouz<br><b>Sent:</b> Friday, May 12, 2017 12:09 PM<br><b>To:</b> HW-news<br><b>Subject:</b> Re: C xc8 rozkald double na byty<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Courier New"'>Možná se znemožním, ale opravdu má double v xc8 jen 4 byty?<br><br>Šlo by to udělat tak že si konstantu definujete opravdu jako konstantní proměnnou.<br><br>const double x = 560.0;<br><br>uint8_t byte0 = ((uint8_t*)&x)[0];<br>uint8_t byte1 = ((uint8_t*)&x)[1];<br><br>a tak dál<br><br>Tomáš</span><o:p></o:p></p><table class=MsoNormalTable border=0 cellspacing=3 cellpadding=0><tr><td width=2 style='width:1.2pt;background:blue;padding:.75pt .75pt .75pt .75pt'></td><td width=1151 style='width:690.6pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Dobrý den,<br>Jde nějak v C ve zdrojáku rozložit číslo ve tvaru double na 4 byty?<br> <br>Potřeboval bych tvar<br> <br>Double x = 560.0;<br> <br>Rozložit do tvaru<br> <br>#define byt1 0x44<br>#define byt2 0x0C<br>#define byt3 0x00<br>#define byt4 0x00 // což je prezentace 0x440C0000 což je 560.0<br> <br>560.0 je konstanta, která se mění při každém programování zařízení a pokaždé to musím přepočítávat do byt1 ~ byt 4. Nějakou automatizaci bych potřeboval, protože těch konstant je vícero.<br>Díky za nápady. Míra</span><o:p></o:p></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p></div></body></html>