From: Daniel W. <da...@wi...> - 2006-09-09 02:33:59
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<html><head><meta name=3D"Generator" content=3D"PSI HTML/CSS Generato= r"/> <style type=3D"text/css"><!-- body{font-family:'Tahoma';font-size:10pt;font-color:'#000000';} LI{display:list-item;margin:0.00in;} p{display:block;margin:0.00in;} body{} --></style> </head><BODY BGCOLOR=3D"#A8D9D7" ><div><SPAN style=3D"font-size:10pt;= ">Thanks for the info.</SPAN></div> <div> </div> <div><SPAN style=3D"font-size:10pt;">So the reset line of the gumstix= is not tied to the audiostix?</SPAN></div> <div><SPAN style=3D"font-size:10pt;">Or if it is, how come when I sta= rted the gumstix/audiostix combo with the reset button held, the led = still lit up?</SPAN></div> <div> </div> <div><SPAN style=3D"font-size:10pt;">Can someone verify that it is or= isn't?</SPAN></div> <div><SPAN style=3D"font-size:10pt;">Also, can someone verify that SD= ATA_OUT and SYNC are held low during power up?</SPAN></div> <div> </div> <div><SPAN style=3D"font-size:10pt;">Maybe we need an audiostix3 with= the fixed?</SPAN></div> <div> </div> <div><SPAN style=3D"font-size:10pt;">Dan.</SPAN></div> <div> </div> <div><SPAN style=3D"font-size:10pt;color:navy;">> According to the= UCB1400 AppNote:</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> "1.0 Power-on re= set</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> After power-up, = a reset should be applied to UCB1400 as soon as</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> possible to brin= g the chip to the default state.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> This is achieved= by performing a complete cold reset sequence</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> (i.e., with both= SDATA_OUT and SYNC held at</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> logic LOW, hold = the RESET pin to logic LOW for at least 1 =C2=B5s and</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> then transition = to a logic HIGH)."</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> It doesn't say w= hy, but I might guess, given your descriptions of</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> observed behavio= r, that it's because the UCB1400 doesn't get into</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> its reset state = until you explicitly reset it.  You can likely</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> resolve this pro= blem by tying the UCB1400's nRESET line low, so</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> that it is held = in reset unless the PXA is actively driving the</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> reset line.</SPA= N></div> <div><SPAN style=3D"font-size:10pt;color:navy;">></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> C</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> On Sep 8, 2006, = at 3:05 PM, Daniel Winsor wrote:</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> I still ha= ve my original problem.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> I held the= reset button on the gumstix, and when the audiostix</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> powered up= , the gpio pins were at gnd and cause my pulled up</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> LED's to l= ight.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> I't was my= understanding that the UCB1400 powers up with its gpio</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> pins in th= e input state.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> This shoul= d not allow them to sink the current needed to light an</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> led.</SPAN= ></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Furthermor= e, if I power down, and power up again, It will always</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> start with= all leds off.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> The led's = will randomly come on lit if I wait 1 minute or so with</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> no power, = then turn the gumstix on.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Is it poss= ible for someone at gumstix to put a led on the gpio</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> line as fo= llows:</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> VCC</SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> |</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> |</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> LED</SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> |</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> |</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> 1Kohm = 0;(I've tried 10k, 47k resistors too)</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> |</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> |</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> UCB GPIO 0= </SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> What I see= , is that the led will be lit sometimes.  and sometimes</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> it wont on= initial power up.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Is this an= electrical  problem with the gumstix or audiostix?</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> (I've trie= d two gumstixs and they both do the same thing)</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> I really n= eed to ship the program and gumstix to a customer, and</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> can not se= nd it because a motor would turn on immediately on</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> power up. = Thanks for any replies! Dan.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> Hi Dan= ,</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> The gu= mstix schematic will not be published.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> All of= the expansion cards are published:</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> <a hre= f=3D"http://pubs.gumstix.org/boards/">http://pubs.gumstix.org/boards/= </a></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> You ca= n access NRESET on your audiostix2 board - see page 3 of</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> the sc= hematic.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> Regard= s,</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> Ken</S= PAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> On 9/8= /06, Daniel Winsor wrote:</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> Is i= t possible to get a schematic of the gumstix?</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> So I= can figure out how & where to insert a reset circuit?</SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>></SPA= N></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> Than= ks.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> Dan.= </SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>></SPA= N></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>></SPA= N></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> H= i Daniel,</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>></= SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>>&g= t; Does anyone know where the best place to accesss the</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>>&g= t; reset line would be, and attach a circuit? I have a 400xm</SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>>&g= t; board and audiostix2?</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>>&g= t;</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>>&g= t;</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> T= he reset line is on the hirose connector. On the</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> a= udiostix2 it doesn't appear to go anywhere.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>></= SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> O= n the newer gumstix, I believe it should be available as a</SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> p= ad on the board, because RESET is used as part of the JTAG</SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> p= rogramming.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>></= SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>> F= or testing you could get at it using a tweener.</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:red;">>>>>></= SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> ----= ----------------------------------------------------------</SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> ----= ------- Using Tomcat but need to do more? Need to</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> supp= ort web services, security? Get stuff done quickly with</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> pre-= integrated technology to make your job easier</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> Down= load IBM WebSphere Application Server v.1.0.1 based on</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> Apac= he Geronimo <a href=3D"http://sel.as">http://sel.as</a>-</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> us.f= alkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat= =3D121642</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>></SPA= N></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> ____= ___________________________________________</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> gums= tix-users mailing list</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> gums= tix...@li...</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>> <a h= ref=3D"https://lists.sourceforge.net/lists/listinfo/gumstix-users">ht= tps://lists.sourceforge.net/lists/listinfo/gumstix-users</a></SPAN></= div> <div><SPAN style=3D"font-size:10pt;color:blue;">>>>></SPA= N></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> ------= ----------------------------------------------------------</SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> ---- -= ---- Using Tomcat but need to do more? Need to support</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> web se= rvices, security? Get stuff done quickly with pre-</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> integr= ated technology to make your job easier Download IBM</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> WebSph= ere Application Server v.1.0.1 based on Apache Geronimo</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> <a hre= f=3D"http://sel.as">http://sel.as</a>-</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> us.fal= kag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat=3D121= 642</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> ______= _________________________________________ gumstix-users</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> mailin= g list gum...@li...</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:purple;">>>> <a hre= f=3D"https://lists.sourceforge.net/lists/listinfo/gumstix-users">http= s://lists.sourceforge.net/lists/listinfo/gumstix-users</a></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:purple;">>>></SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> ----------= --------------------------------------------------------</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> ---- ---</= SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Using Tomc= at but need to do more? Need to support web services,</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> security?<= /SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Get stuff = done quickly with pre-integrated technology to make</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> your job e= asier</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Download I= BM WebSphere Application Server v.1.0.1 based on Apache</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> Geronimo <= a href=3D"http://sel.as-us.falkag.net/sel">http://sel.as-us.falkag.ne= t/sel</a>?</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> cmd=3Dlnk&= amp;kid=3D120709&bid=3D263057&dat=3D121642___________________= ___________</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>>  ____= _____________ gumstix-users mailing list gumstix-</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> users@list= s.sourceforge.net</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:maroon;">>> <a href= =3D"https://lists.sourceforge.net/lists/listinfo/gumstix-users">https= ://lists.sourceforge.net/lists/listinfo/gumstix-users</a></SPAN></div= > <div><SPAN style=3D"font-size:10pt;color:maroon;">>></SPAN></di= v> <div><SPAN style=3D"font-size:10pt;color:navy;">></SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> ----------------= ----------------------------------------------------</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> ----- Using Tomc= at but need to do more? Need to support web</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> services, securi= ty? Get stuff done quickly with pre-integrated</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> technology to ma= ke your job easier Download IBM WebSphere</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> Application Serv= er v.1.0.1 based on Apache Geronimo <a href=3D"http://sel.as">http://= sel.as</a>-</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> us.falkag.net/se= l?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat=3D121642</SPAN>= </div> <div><SPAN style=3D"font-size:10pt;color:navy;">> ________________= _______________________________ gumstix-users</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> mailing list gum= sti...@li...</SPAN></div> <div><SPAN style=3D"font-size:10pt;color:navy;">> <a href=3D"https= ://lists.sourceforge.net/lists/listinfo/gumstix-users">https://lists.= sourceforge.net/lists/listinfo/gumstix-users</a></SPAN></div> </body></html> |