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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Aha v dokumentaci to maji samozrejme
dobre, chyba byla jen v C kompilatoru, ktery defaultne umi nastavit jen
16bit rezim a uvedeny prikald v ASM pouziva 2x8bit rezim.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Milos<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Sula Milos <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, March 28, 2006 8:54
AM<br>
<b><span style='font-weight:bold'>To:</span></b> hw-list@list.hw.cz<br>
<b><span style='font-weight:bold'>Subject:</span></b> Chaos v dokumentaci k
PICu ?</span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:8.0pt;font-family:Arial;mso-ansi-language:EN-US'>Ahoj,<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:8.0pt;font-family:Arial;mso-ansi-language:EN-US'>V
dokumentaci k PIC 18f2550 uvadeji, ze lze pouzit TIMER1 jako zdroj hodinoveho
signalu (krystal 32768Hz) a uvadeji kratky priklad v ASM.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:8.0pt;font-family:Arial;mso-ansi-language:EN-US'>Jelikoz
je TMR1 16 bitovy tak pretece 1x za 2 sec, takze se v preruseni musi nasobit
kmitocet 2 prednastavenim TMR1H na 80h.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>RTCisr<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>BSF TMR1H, 7 ; Preload for 1 sec overflow<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>BCF PIR1, TMR1IF ; Clear interrupt flag<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>INCF secs, F ; Increment seconds<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>MOVLW d’59’ ; 60 seconds elapsed?<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>CPFSGT secs<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt;mso-layout-grid-align:none;
text-autospace:none'><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>RETURN<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:8.0pt;font-family:Arial;mso-ansi-language:EN-US'>...atd<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:8.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:8.0pt;font-family:Arial;mso-ansi-language:EN-US'>V
kapitole o TMR1 ale rikaji, ze v 16bitovem rezimu nelze pouze modifikovat
TMR1H, ale ze je zapis provadeny pres buffer a provede se az po modifikaci
TMR1L ( aspon tak jsem to pochopil ) takze </span></font><font size=1
face=Arial><span style='font-size:8.0pt;font-family:Arial'>BSF TMR1H, 7
fungovat asi nebude…. Coz je take duvod proc tohle tedka resim ( pokud
nemam chybu jeste nekde jinde ).Proste mi to pri tomto generuje stale 2sec
intervaly misto 1sec.Nepisu to v ASM ale v cecku.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
style='font-size:8.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
style='font-size:8.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:35.4pt'><font size=1 face=Arial><span
style='font-size:8.0pt;font-family:Arial'>Milos<o:p></o:p></span></font></p>
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