<div dir="ltr">Ja jsem asi navedenej, ale proc ma ten FW obsahovat programovaci SW?<div>Nejak mam zato, ze kapitola 10 to resi.</div><div>Jdu radsi na pivo :)</div><div><br></div><div>PK</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">Dne 16. května 2014 19:58 Jaroslav Buchta <span dir="ltr"><<a href="mailto:jaroslav.buchta@hascomp.cz" target="_blank">jaroslav.buchta@hascomp.cz</a>></span> napsal(a):<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div>No me jde spis o princip manipulace s
FLASH, jedine co me napadlo je ulozit program do externi eeprom
nebo flash, programovaci SW do RAM a preprogramovat celou flash od
0. <br>
Problem je, kdyz novy program, ktery musi obsahovat nejaky ten
programovaci SW bude nefunkcni...<br>
To myslim tento dokument neresi, VCP mi na USB v aplikaci funguje,
s tim problem nemam...<br>
<br>
Dne 16. 5. 2014 19:50, Pavel KREJCI napsal(a):<br>
</div><div><div class="h5">
<blockquote type="cite">
<div dir="ltr">Takze neco jako DFU? <a href="http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/CD00158241.pdf" target="_blank">http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/CD00158241.pdf</a></div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">Dne 16. května 2014 19:44 Jaroslav
Buchta <span dir="ltr"><<a href="mailto:jaroslav.buchta@hascomp.cz" target="_blank">jaroslav.buchta@hascomp.cz</a>></span>
napsal(a):<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div>Zustava, ale ten potrebuje hejbat pinem a resetem,
nevim, jestli u tohodle jde i pres USB a jestli to jde
komunikovat vlastni aplikaci?<br>
To jsem prave delal pres UART s tim ATMEGA. Ale je to
dalsi procesor na desce...<br>
Dne 16. 5. 2014 19:42, Pavel KREJCI napsal(a):<br>
</div>
<div>
<div>
<blockquote type="cite">
<div dir="ltr">No a nezustava tam nahodou vzdycky
funkcni zavadec z vyroby?
<div>PK</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">Dne 16. května 2014 19:36
Jaroslav Buchta <span dir="ltr"><<a href="mailto:jaroslav.buchta@hascomp.cz" target="_blank">jaroslav.buchta@hascomp.cz</a>></span>
napsal(a):<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Neresil nekdo? Nejak
me nenapada, jak to udelat, aby v procesoru
vzdycky zustal funkcni zavadec. Vektory
predpokladam presmerovat nejdou a nezbyva, nez
program ukladat od adresy 0, cili pokud to
selze je to v pytli. Na tohle jsou dobre AVR.<br>
Na jedne desce jsem k tomuto ucelu pouzil
dalsi ATMEGA8, ktery tam nasype program z UART
nebo externi FLASH, ale to je ponekud
tezkopadne. Melo by to byt ovladatelne pouze
pres USB procesoru, asi v rezimu VCP.<br>
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