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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Zdravim konferenci,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Uz nakou dobu tu vyrabim modulek web serveru postaveny na
NIC kontroleru RTL8019AS a stale se nemohu zbavit nasledujici chyby:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kdyz chci odeslat packet, zinicializuji nejdriv DMA zapis do
vnitrni pameti kontroleru, packet po jednotlivych bytech zapisu do obvodu a prislusnymi
bity v ovladacich registrech zapnu odeslani packetu z dane pocatecni pametove
stranky. Problem je ze pokud od zacatku zapisu dat do obvodu az do inicializace
odesilani packetu zacne obvod prijimat jiny packet ze site, dojde k tomu
ze tento prijimany packet je zapsan kamsi do oblasti ze ktere chci novy packet odesilat.
Ztratim tedy jak prijimany tak odesilany packet...</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Nevedel by nekdo jak tento problem odstranit???</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Nektere detaily reseni:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Rozvrzeni vnitrni pameti RTL8019 je nasledujici: (cislo page
v pameti)</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>RXBUFF_START
0x40 - zacatek kruhoveho prijimaciho bufferu</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>RXBUFF_END
0x60 -
konec kruhoveho prijimaciho bufferu</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>CTXBUFF1
0x62</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>CTXBUFF2
0x63 – 2 buffery pro odesilani kontrolnich TCP packetu (FIN, SYN, ACK...)</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>DTXBUFF1
0x65</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>DTXBUFF2
0x6B</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>DTXBUFF3
0x71 – 3 buffery pro odesilani TCP dat</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Obvod je pripojen 8bit zbernici k MSP430F169. Nepouzivam
zadne IRQ obvodu.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-------------------------------</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Děkuji,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Jan ©váb</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-=SCHVAB=-</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-------------------------------</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
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