Simple SD Interface
in [Design]
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From: Jan Panteltje on 8 Jan 2010 15:37 On a sunny day (Fri, 8 Jan 2010 12:14:22 -0800 (PST)) it happened Bill Sloman <bill.sloman(a)ieee.org> wrote in <f7b5e0f0-f1c5-4731-b9b9-8b3c65f9a474(a)z41g2000yqz.googlegroups.com>: >On Jan 7, 7:25�pm, Jan Panteltje <pNaonStpealm...(a)yahoo.com> wrote: >> On a sunny day (Thu, 7 Jan 2010 08:09:10 -0800 (PST)) it happened FyberOp= >tic >> <fyberop...(a)gmail.com> wrote in >> <09d6df9b-6d23-4f3f-9462-17bdefac6...(a)22g2000yqr.googlegroups.com>: >> >> >Hi folks. >> >> Depends how you want to drive the card. >> 1) Google: >> � Simplified_SD_Host_Controller_Spec.PDF >> >> 2) You need no buffer on the par port, most par ports these days are 3.3V= >. >> � �If in doubt use some 100 series resistors. >> >> 3) Here are the connections: >> � �http://panteltje.com/panteltje/wap54g/to-linksys-wap54g-forum-2.tx= >t >> >> 4) Here is some C source code for a module to drive a SDcard, >> � �from �Linux system, you will need to adapt I/O addresses etc for= > a PC: >> � �http://panteltje.com/panteltje/wap54g/sources/ >> >> 5) That software is released under GPL license, and do not violate that l= >icense. >> >> 6) There is still snow today, and it is still freezing. > >> We can blame this all on Bill SLoman, who's wild actions against global w= >arming caused this cooling. > >Jan Panteltje is actually quite sensible on circuit design and Linux >programming, but he really doesn't have clue about global warming. How could I, there *is* no global warming! Look what you have done! ;-)
From: Bill Sloman on 8 Jan 2010 21:26
On Jan 8, 9:37 pm, Jan Panteltje <pNaonStpealm...(a)yahoo.com> wrote: > On a sunny day (Fri, 8 Jan 2010 12:14:22 -0800 (PST)) it happenedBill Sloman > <bill.slo...(a)ieee.org> wrote in > <f7b5e0f0-f1c5-4731-b9b9-8b3c65f9a...(a)z41g2000yqz.googlegroups.com>: > > > > > > >On Jan 7, 7:25 pm, Jan Panteltje <pNaonStpealm...(a)yahoo.com> wrote: > >> On a sunny day (Thu, 7 Jan 2010 08:09:10 -0800 (PST)) it happened FyberOp= > >tic > >> <fyberop...(a)gmail.com> wrote in > >> <09d6df9b-6d23-4f3f-9462-17bdefac6...(a)22g2000yqr.googlegroups.com>: > > >> >Hi folks. > > >> Depends how you want to drive the card. > >> 1) Google: > >> Simplified_SD_Host_Controller_Spec.PDF > > >> 2) You need no buffer on the par port, most par ports these days are 3..3V= > >. > >> If in doubt use some 100 series resistors. > > >> 3) Here are the connections: > >> http://panteltje.com/panteltje/wap54g/to-linksys-wap54g-forum-2..tx= > >t > > >> 4) Here is some C source code for a module to drive a SDcard, > >> from Linux system, you will need to adapt I/O addresses etc for= > > a PC: > >> http://panteltje.com/panteltje/wap54g/sources/ > > >> 5) That software is released under GPL license, and do not violate that l= > >icense. > > >> 6) There is still snow today, and it is still freezing. > > >> We can blame this all onBill SLoman, who's wild actions against global w= > >arming caused this cooling. > > >Jan Panteltje is actually quite sensible on circuit design and Linux > >programming, but he really doesn't have clue about global warming. > > How could I, there *is* no global warming! Like I said, you haven't got a clue. > Look what you have done! Tinkering with the thermohaline circulation may well have cooled Europe, but it may cook the rest of the world. I'll follow up that bucket of fresh water (in just the right place) with a bucket of salt (when I can find one - it is in short supply around here at the moment). -- Bill Sloman, Nijmegen |