Hello Everyone, Here's some observations we made that may have in common with all users/developers on this group, I hope it helps.... ...
1307
lestech2004
Aug 1, 2005 12:30 pm
Hello Everyone, Here's some observations we made that may have in common with all users/developers on this group, I hope these helps.... ...
1308
colonwq
Aug 1, 2005 3:35 pm
Thanks for the observations. Which firmware version are you using? Did you download from pjrc.com or the compiled CVS ? Keith...
1309
lestech2004
Aug 2, 2005 1:47 pm
Hi, Yes we are using the latest (6.90) downloaded from pjrc.com. Lesty...
1310
colonwq
Aug 2, 2005 2:26 pm
... Can you try the compiled one from CVS? Paul has a rough snapshot of the code on his site that does not have the latest fixes applied. Here is where you can...
1311
Bernie Pallek
bmatthiasp
Aug 27, 2005 4:43 pm
After puzzling over the code for a while, I got frustrated and gave up trying to figure out how to fix the big-file support, so I did this instead (it's a...
1312
Bernie Pallek
bmatthiasp
Aug 27, 2005 4:46 pm
Is anyone interested in making this happen? Is there a general idea? Is the disk operation queue supposed to get processed by a timer interrupt, or is the...
1313
Laine Walker-Avina
nerdguy0
Aug 27, 2005 6:36 pm
... AFAIK, the IDE DMA transfers that the mp3 files use is interrupt based. Look at line 477 in isr.asi. The only thing that hangs the player is the ide_init ...
1314
Hasan Chaudhry
rockyhassan
Aug 27, 2005 8:46 pm
hey guys!!! i am having an issue... the hardisk i have seems to have 39 pins so the bus connected to it has a 39 pin female connector? where does it fix on the...
1315
colonwq
Aug 28, 2005 12:41 am
Is the missing pin in the middle of one of the rows? I think this is a 'key' pin so that the IDE cable will not be plugged in the wrong way. I normal 40pin IDE...
1316
Bernie Pallek
bmatthiasp
Aug 30, 2005 5:01 am
... Okay, I should have been more specific -- I was thinking about the "do_ide_loop" function that was supposed to disappear eventually. But the ide_init......
1317
Hasan Chaudhry
rockyhassan
Sep 1, 2005 5:54 pm
listen guys!!! i need help again.......... i am using REV C, anyways... i connected the board and lcd and supplied the power using a PC power supply..... now...
1318
Hasan Chaudhry
rockyhassan
Sep 2, 2005 3:17 am
i get this first bootup msg then the second msg which comes is CONFIG FPGA and then screen goes blank................... what can it possibly be???...
1319
Len Averyt
techknowman2000
Sep 2, 2005 1:16 pm
Unplug the harddrive. If the boot up gets to the point where its says waiting for harddrive then your board is fine. If when the harddrive is plugged in it...
1320
Hasan Chaudhry
rockyhassan
Sep 2, 2005 3:09 pm
hey!!! new development now it boots and gives me the msg CONFIG FPGA RESET IDE DEVICES NO SIMM FOUND VERSION 0.1.3 any idea whats happening??? I’m flying...
1321
Rudi Groenescheij
rudi_groenes...
Sep 2, 2005 9:29 pm
Hi, My first guess is that it can't find the SIMM! Or was that something you already discovered? What did you try and what not? Rudi ... --...
1322
Hasan Chaudhry
rockyhassan
Sep 3, 2005 4:42 am
actually i have two 72 pins simms it's not detecting either one of them!!!!!!!! ? I’m flying away..... Running like the wind....As I chase the sun...Up...
1323
rockyhassan
Sep 9, 2005 12:00 pm
has any one attempted this as a student project? if yes can u please send me the documentation u guys did!!!...
1324
gumby36psi
Nov 6, 2005 2:15 am
any way this could used as a substitute with the ide hard drive?...
1325
gumby36psi
Nov 6, 2005 2:17 am
is there any possible way this could be done? also is there any way to implement i2c with the mp3 board...
1326
colonwq
Nov 7, 2005 2:43 am
I am not an EE type of person but I think you would need build an adapter to attach to the expansion bus on the board and have it translate/work like an IDE...
1327
gumby36psi
Nov 8, 2005 6:04 pm
would the usb jump drive need to interact with a host controller to communicate with the board? how would i attach a usb host to the board?? thanks guys mark ...
1328
Paul Stoffregen
pauljs97140
Nov 9, 2005 8:33 pm
... No, not really, this just isn't feasible (playing from USB flash). I'm not going to go into why, just trust me. If you want to play from a flash card,...
1329
colonwq
Nov 19, 2005 3:10 am
Hey Guys, I have finally gotten time to look at implementing an inorder sort for file listing. Unfortunately I foolishly left my player on the desk in my...
1330
gumby36psi
Nov 30, 2005 7:30 am
has anyone used the UART port on the mp3 development board to receive files from an external device, like a USB jump drive in order to play mp3 files? any...
1331
Techknowman
techknowman2000
Nov 30, 2005 1:07 pm
Even if it was possible, which it's not. The UART would give 115Kbps max so any 128k mp3's or higher would be unusable because the player could not get data...
1332
anchandr
Dec 5, 2005 10:28 pm
the board is barely used and will include an LCD ,keypad, and 16M SODIMM. we will provide an ac adapter and a 40 gig harddrive(w/ribbon cable). all of this...
1333
imn_kml
Jan 3, 2006 4:40 pm
I want know realy can I used compact flash card instead HDD If it is possible please tel me how can I do this Thanx -imn...
1334
colonwq
Jan 3, 2006 6:13 pm
... This message in the archives has some information on this topic. It has come up a few times in the past as a question. I have not heard of any success...
1335
mohan_khot
Jan 16, 2006 2:41 pm
Dear friends, i am new to this group and neither i have any knowledge about electronics nor programing. but i am quite sure that i can make these mp3 players...
