Hi:
Here's the debug dump from an attempt at:
echo -n "Testing" > memory
----------
unique: 103, opcode: LOOKUP (1), nodeid: 2, insize: 47
LOOKUP /12.588636000000/memory
CALL: FSTAT path=/12.588636000000/memory
CALL: PARSENAME path=[/12.588636000000/memory]
DEBUG: Cache_Get_Device 12 58 86 36 00 00 00 18
DEBUG: Get from cache sn 12 58 86 36 00 00 00 18 pointer=(nil) index=-1 size=4
DEBUG: value found in cache
CALL: ATTRIBUTES path=/12.588636000000/memory
DEBUG: ParsedName_destroy /12.588636000000/memory
NODEID: 3
unique: 103, error: 0 (Success), outsize: 136
unique: 104, opcode: SETATTR (4), nodeid: 3, insize: 128
CALL: TRUNCATE path=/12.588636000000/memory
CALL: FSTAT path=/12.588636000000/memory
CALL: PARSENAME path=[/12.588636000000/memory]
DEBUG: Cache_Get_Device 12 58 86 36 00 00 00 18
DEBUG: Get from cache sn 12 58 86 36 00 00 00 18 pointer=(nil) index=-1 size=4
DEBUG: value found in cache
CALL: ATTRIBUTES path=/12.588636000000/memory
DEBUG: ParsedName_destroy /12.588636000000/memory
unique: 104, error: 0 (Success), outsize: 112
unique: 105, opcode: OPEN (14), nodeid: 3, insize: 48
CALL: OPEN path=/12.588636000000/memory
unique: 105, error: 0 (Success), outsize: 32
OPEN[0] flags: 0x8001 /12.588636000000/memory
unique: 106, opcode: WRITE (16), nodeid: 3, insize: 71
WRITE[0] 7 bytes to 0
CALL: WRITE path=/12.588636000000/memory size=7 offset=0
DEBUG: FS_OWQ_create of /12.588636000000/memory
CALL: PARSENAME path=[/12.588636000000/memory]
DEBUG: Cache_Get_Device 12 58 86 36 00 00 00 18
DEBUG: Get from cache sn 12 58 86 36 00 00 00 18 pointer=(nil) index=-1 size=4
DEBUG: value found in cache
OWQ OneWireQuery structure of /12.588636000000/memory
OneWireQuery size=7 offset=0, extension=0
Byte buffer OneWireQuery buffer, length=7
-- 54 65 73 74 69 6E 67
<Testing>
OneWireQuery I=7 U=7 F=3.45846E-323 Y=7 D=Wed Dec 31 16:00:07 1969
--- OneWireQuery done
DEBUG: Selecting a path (and device) path=/12.588636000000/memory
SN=12 58 86 36 00 00 00 18 last path=00 00 00 00 00 00 00 00
DATA: DS9490_reset
DATA: DS9490_reset: ok
DEBUG: Transaction select = 0
DEBUG: Transaction send = 0
DEBUG: Transaction readin = 0
DATA: DS9490_level 2 (old = 0)
DATA: DS9490_level 0 (old = 2)
DATA: DS9490_HaltPulse
DATA: DS9490_HaltPulse: loop
DATA: DS9490_HaltPulse: ok
DEBUG: Transaction program pulse = 0
DEBUG: Transaction readin = 0
DEBUG: Transaction end = 0
DEBUG: Cache_Get_Device 12 58 86 36 00 00 00 18
DEBUG: Get from cache sn 12 58 86 36 00 00 00 18 pointer=(nil) index=-1 size=4
DEBUG: value found in cache
DEBUG: Selecting a path (and device) path=/12.588636000000/memory
SN=12 58 86 36 00 00 00 18 last path=00 00 00 00 00 00 00 00
DATA: DS9490_reset
DATA: DS9490_reset: ok
DEBUG: Transaction select = 0
DEBUG: Transaction send = 0
DEBUG: Transaction readin = 0
DATA: DS9490_level 2 (old = 0)
DATA: DS9490_level 0 (old = 2)
DATA: DS9490_HaltPulse
DATA: DS9490_HaltPulse: loop
DATA: DS9490_HaltPulse: ok
DEBUG: Transaction program pulse = 0
DEBUG: Transaction readin = 0
DEBUG: Transaction end = 0
DEBUG: Selecting a path (and device) path=/12.588636000000/memory
SN=12 58 86 36 00 00 00 18 last path=00 00 00 00 00 00 00 00
DATA: DS9490_reset
DATA: DS9490_reset: ok
DEBUG: Transaction select = 0
DEBUG: Transaction send = 0
DEBUG: Transaction readin = 0
DATA: DS9490_level 2 (old = 0)
DATA: DS9490_level 0 (old = 2)
DATA: DS9490_HaltPulse
DATA: DS9490_HaltPulse: loop
DATA: DS9490_HaltPulse: ok
DEBUG: Transaction program pulse = 0
DEBUG: Transaction readin = 0
DEBUG: Transaction end = 0
DEBUG: FS_OWQ_destroy of /12.588636000000/memory
DEBUG: ParsedName_destroy /12.588636000000/memory
unique: 106, error: -22 (Invalid argument), outsize: 16
unique: 107, opcode: RELEASE (18), nodeid: 3, insize: 64
RELEASE[0] flags: 0x8001
CALL: RELEASE path=/12.588636000000/memory
unique: 107, error: 0 (Success), outsize: 16
Thanks!
--Jim
On 9/25/07, Paul Alfille <[EMAIL PROTECTED]> wrote:
> Have you tried running owfs with debugging enabled?
>
> owfs --error_level=9 --foreground -m mountpoint -u
>
> That will give you lots of output.
> I don't think the DS2490 can tell if it has 12V available. It oes need the
> 12 Programing explicitly enabled (I think I did that), and the duration set
> (default 512 usec, the datasheet says 480usec, I use 480 but perhaps the
> default is more appropriate under real-world conditions).
>
> Can you post your debugging output?
>
> Paul Alfille
>
>
> On 9/24/07, Jim Kusznir <[EMAIL PROTECTED]> wrote:
> > Hi Paul:
> >
> > Thanks for the fast responce!
> >
> > I pulled in the CVS version just about 20 minutes ago using:
> > cvs
> -d:pserver:[EMAIL PROTECTED]:/cvsroot/owfs
> co owfs
> > (I couldn't figure out how to tell what revision I'm at...)
> >
> > I'm seeing the same behavior I was as before:
> >
> > [EMAIL PROTECTED] pages]# echo -n "This is a test" > page.1
> > -bash: echo: write error: Invalid argument
> > [EMAIL PROTECTED] pages]# cd ..
> > [EMAIL PROTECTED] 12.588636000000]# echo -n "testing" > memory
> > -bash: echo: write error: Invalid argument
> >
> > Unfortunately, I haven't found any debugging output, espicially wether
> > or not it detected the 12V available. If you could point me toward
> > how to get the debugging output, I'll get more information (and make
> > sure owfs sees my hardware as I think it should :) )
> >
> > Thanks!
> > --Jim
> >
> > On 9/22/07, Paul Alfille <[EMAIL PROTECTED]> wrote:
> > > If you're willing to try the CVS version, I put in support. Untested,
> but
> > > should follow the datasheet closely.
> > >
> > > Paul Alfille
> > >
> > >
> > > On 9/21/07, Paul Alfille <[EMAIL PROTECTED]> wrote:
> > > > Hi Jim,
> > > >
> > > > I don't think 12V eprom program has ever been tested. As you notice,
> it's
> > > hard to find an appropriate adapter.
> > > >
> > > > It looks only like the DS2406, DS2502 and DS2505 need the program
> pulse
> > > (480usec).
> > > >
> > > > The DS2490 datasheet does say that it supports 12V programming.
> > > http://datasheets.maxim-ic.com/en/ds/DS2490.pdf
> > > >
> > > > Only not in the DS9490 device.
> > > >
> > > > I'll try to add support and get you to test.
> > > >
> > > > Paul Alfille
> > > >
> > > >
> > > >
> > > >
> > > > On 9/21/07, Jim Kusznir <[EMAIL PROTECTED] > wrote:
> > > > > Hi all:
> > > > >
> > > > > I've been trying for about a week to write to the DS2406's EPROM
> using
> > > > > OWFS. I realize that the bus master needs to have +12 VPP, and have
> > > > > been working on this.
> > > > >
> > > > > I currently am trying to write using:
> > > > >
> > > > > echo "test" > memory
> > > > >
> > > > > from within my owfs chip's directory. I get an error message from
> echo.
> > > > >
> > > > > I have two bus masters: DS9490R (USB) and DS9097E ("passive"). The
> > > > > 9097E has the connecter for +12, which I've put on it.
> Unfortunately,
> > > > > it looks like OWFS doesn't see it as the E version, but a version
> > > > > which does not have +12 which I believe is responsible for it not
> > > > > allowing me to write.
> > > > >
> > > > > I have also opened up one of my 9094R's, lifted the VPP pin and
> > > > > applied +12 externally. Unfortunately, I am still unable to write
> > > > > through OWFS.
> > > > >
> > > > > In all my endevors to write so far, the only sucess I've had is to
> > > > > bring up my 9097E in windows (on a hardware serial port -- I found
> usb
> > > > > serial adaptors don't work), and writing one nibble at a time (more
> > > > > that that fail).
> > > > >
> > > > > Based on reading the data sheet for the DS2490 (the chip the 9094R
> is
> > > > > based on), it sounds like it may require a register or other setting
> > > > > to be set to enable programming. I looked and looked through owfs
> and
> > > > > read every piece of documentation I could find, but could not find
> any
> > > > > information on setting the programming enabled info, or even
> > > > > retreaving information on wether programming voltage is detected.
> > > > >
> > > > > So, my questions:
> > > > >
> > > > > 1) how do I write to EPROMS requiring the +12VPP?
> > > > > 2) What adaptors have others sucessfully used?
> > > > > 3) Can I configure an adaptor such as the 9094R as write-enabled
> after
> > > > > I physically modified it to include +12 VPP? Do I need to?
> > > > >
> > > > > Any other relevent comments?
> > > > >
> > > > > Thanks!
> > > > >
> > > > >
> > >
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