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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Neda mi, abych si nerypnul – zkuste STM32F103, tam je bootloader
napsany jako AN jiz od pocatku casu :), resp. od revize B.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Je to jednoduche na programovani, toolu je hromada…<o:p></o:p></span></p>
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<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>S pozdravem/with best regards<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'> Ing. Tomas Dresler<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'>mailto:dresler@hw.cz<o:p></o:p></span></p>
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<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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<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-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz] <b>On Behalf Of </b>Jaroslav
Buchta<br>
<b>Sent:</b> Friday, October 31, 2008 9:44 PM<br>
<b>To:</b> 'HW-news'<br>
<b>Subject:</b> ARM instrukcni sada, jak zacit<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Zdravim,
snazim se proniknout do architektury AT91SAM.... mikrokontroleru a mam nekolik
postrehu a nejasnosti...</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-
U atmelu nemeli dobre dny pri vyvoji bootloaderu, ani USB, ani USART, ani
software na PC. Ne ze by to nefungovalo, ale chce to svoje pravidla. </span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-
Periodicke nahravani bootloaderu do flash spojenim propojky na 10+ sec, po
kazdem pokusu, to musel bejt u Atmelu krutej mejdan, po kterem tato myslenka
vznikla. Navic je nakopirovan do RAM od zacatku, takze se tam neda umistit
zkouseny program ani v ram a premapovat. Pomohla az uprava startup kodu, ktery
cast RAM prekopiruje, premapuje a spusti, vyvijel jsem to cely den ;-)</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-
Princip instrukcni sady ARM jsem nepochopil, ale asi ten chaos ma nejaky smysl
a po porodu se startup kodem to jiz hodlam programovat v C</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-
nedari se mi donutit YAGARTO prekladac k vygenerovani nejakeho list souboru,
abych si mohl prohlednout produkt prekladace - nejde to?</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-
ECLIPSE je taky povedeny kousek SW, ale asi se s nim naucim zit.
Nepochopil jsem, proc si preklada kdy chce, co chce, ktere soubory si zahrne do
projektu ani proc pri spusteni prekladu neulozi soubory... Da se to nejak
optimalizovat?</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Pres
to vsechno jsou to IMHO dobre MCU za rozumnou cenu, az si udelam svuj std.
bootloader, tak to bude snad OK.</span> <o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Uz
jsem to tu uvadel, zkousim to na produktu od <a
href="http://www.kramara.com/?q=node/16">http://www.kramara.com/?q=node/16</a> ,
celkem prekvapive nizka cena, stejne jako JTAG interface, ktery jeste nevim
jestli objednam - uz se mi docela dari psat program bez podpory ladeni, ale do
zacatku by to nebylo spatne.</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Jak
jsou na tom vlastne ARM MCU ostatnich vyrobcu? ATMEL jsem vybral kvuli snad
nejmensi cene MCU, jsou nejak srovnatelne, nebo je HW uplne jiny (periferie
atp.? ) Jadro (procesor) je snad stejne(podobne), ze?</span><o:p></o:p></p>
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