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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No riesenie je
<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">//</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
<span lang="CS">double x = _NR;</span></span><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Koli zadefinovaniu pre eeprom je tam zbytocne<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">j.<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>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Hw-list [mailto:hw-list-bounces@list.hw.cz]
<b>On Behalf Of </b>Miroslav Draxal<br>
<b>Sent:</b> Tuesday, May 16, 2017 10:01 AM<br>
<b>To:</b> 'HW-news'<br>
<b>Subject:</b> RE: C xc8 rozkald double na byty<o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ono je problém to, že jsem nikde oficielně nenašel, jak to vlastně zapsat. A docela mě to zaráží, protože zapsat do eeprom nějakou double konstantu
mi přijde, že není zase až tak exotické.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Pokud použiju v xc8 to
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">double x = _NR;</span><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Tak to vyhodí varování, že x není použito. Dá se to lokálně zakázat.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Hw-list [<a href="mailto:hw-list-bounces@list.hw.cz">mailto:hw-list-bounces@list.hw.cz</a>]
<b>On Behalf Of </b>Jaroslav Buchta<br>
<b>Sent:</b> Tuesday, May 16, 2017 8:19 AM<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="CS"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="CS">No ono to bute takove to reseni, ktere muze nekdy fungovat ale mne se z toho trosku jezi chlupy. Vyborna vec je mit pak potrebu prenest takoveto zdrojaky na jinou platformu.<br>
<br>
Dne 16.05.2017 v 8:00 Zuffa Jan napsal(a):<o:p></o:p></span></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">divne, skusil som vo visual studiu a tam to bez explicitneho pretypovania
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">na int skoci na chybe illegal, left operand has type 'double</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Arial Unicode MS , sans-serif","serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Arial Unicode MS , sans-serif","serif"">j.</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="CS" 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> Monday, May 15, 2017 9:26 PM<br>
<b>To:</b> 'HW-news'<br>
<b>Subject:</b> RE: C xc8 rozkald double na byty</span><span lang="CS"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="CS"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Mohu potvrdit, že XC8 ver 1.38
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">#define CelkovyVykon_kWh_rokDb_EEPROM 596.250</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">__EEPROM_DATA(0, // byt0 CelkovyVykon_kWh_denDb</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> 0, // byt1</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> 0, // byt3</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> 0, // byt4 CelkovyVykon_kWh_denDb - 4bytová přesnost</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> CelkovyVykon_kWh_rokDb_EEPROM & 0xff, // byt0 CelkovyVykon_kWh_rokDb</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> (CelkovyVykon_kWh_rokDb_EEPROM >> 8) &0xff, // byt2
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> (CelkovyVykon_kWh_rokDb_EEPROM >> 16) &0xff, // byt3
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> (CelkovyVykon_kWh_rokDb_EEPROM >> 24) &0xff); // byt4 CelkovyVykon_kWh_rokDb 4bytová přesnost</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">To uloží správně do eeprom jako 596.25</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Nic se násobit nemusí.</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Míra</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="CS" 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>Zuffa Jan<br>
<b>Sent:</b> Monday, May 15, 2017 11:08 AM<br>
<b>To:</b> HW-news<br>
<b>Subject:</b> RE: C xc8 rozkald double na byty</span><span lang="CS"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="CS"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Zdravim,</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">nezabudnite pred ulozenim vynasobit 10 lebo inak pridete</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">o cast za desatinnou ciarkou :) neskusal som ale typujem ze kompilator</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">to interne pretypuje na int.</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">j.</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="CS" 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 5:45 PM<br>
<b>To:</b> 'HW-news'<br>
<b>Subject:</b> RE: C xc8 rozkald double na byty</span><span lang="CS"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="CS"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" 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.
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Velice pomohlo.</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Je to v podstatě jednoduchý, nějak mě tohle nenapadlo.</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Míra
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
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<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="CS" 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>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</span><span lang="CS"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="CS"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Zdravim,</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">skuste takto:</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">#define _NR 560.0</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">double x = _NR;</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">#define byt1 _NR & 0xff<br>
#define byt2 (_NR >> 8) &0xff</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">#define byt3 (_NR >> 16) &0xff</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">...</span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">j</span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="CS" 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</span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="CS"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" 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
</span><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" 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 lang="CS" 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><span lang="CS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">__EEPROM_DATA(byt1, byt2, byt3, byt4, 0, 0,0, 0);</span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="CS" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="CS" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="CS" 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</span><span lang="CS"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="CS"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="CS" style="font-size:10.0pt;font-family:"Courier New","serif"">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><span lang="CS"><o:p></o:p></span></p>
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<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>
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<br>
<o:p></o:p></span></p>
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<p><span lang="CS"><o:p> </o:p></span></p>
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