2. I only have one sensor (DS18s20). I tryed to read temperature and temphigh. The same thing is happening. After error, I can't see the 10.* device, not even 81.* device. Here is a ls -l /mnt/1-wire:
drwxr-xr-x 1 root root 8 2008-06-15 19:59 bus.0
drwxr-xr-x 1 root root 8 2008-06-15 19:59 settings
drwxr-xr-x 1 root root 8 2008-06-15 19:59 statistics
drwxr-xr-x 1 root root 30 2008-06-15 19:59 structure
drwxr-xr-x 1 root root 8 2008-06-15 19:59 system
drwxr-xr-x 1 root root 8 2008-06-15 19:59 uncached
3. I tryed owfs and owhttp. Same error.
4. ./owfs version:
2.7p4
libow version:
2.7p4
Here is the log from initial owfs start:
./owfs -u1 -m /mnt/1-wire --foreground --error_level=9
CONNECT: fuse mount point: /mnt/1-wire
CALL: PARSENAME path=[]
CONNECT: Adapter found: 001/002
DEFAULT: Opened USB DS9490 adapter at 001/002.
DATA: DS9490_setup_adapter: done (ret=0)
DEBUG: Start of directory path= device=00 00 00 00 00 00 00 00
DEBUG: Selecting a path (and device) path= SN=00 00 00 00 00 00 00 00 last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DATA: DS9490_reset
DATA: DS9490_reset: ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DATA: DS9490_reset
DATA: DS9490_reset: ok
DEBUG: Index 0
DEBUG: Got 16 bytes from USB search
DEBUG: DS9490 directory gulp. Adding element 0:10 00 83 50 01 08 00 7B
DEBUG: DS9490 directory gulp. Adding element 1:81 B3 50 29 00 00 00 82
DEBUG: DS9490_next_both SN found: 10 00 83 50 01 08 00 7B
DEBUG: BUS_next return = 0 10 00 83 50 01 08 00 7B
DEBUG: Selecting a path (and device) path= SN=00 00 00 00 00 00 00 00 last path=00 00 00 00 00 00 00 00
DATA: DS9490_reset
DATA: DS9490_reset: ok
DEBUG: Index 1
DEBUG: DS9490_next_both SN found: 81 B3 50 29 00 00 00 82
DEBUG: BUS_next return = 0 81 B3 50 29 00 00 00 82
CONNECT: Good DS1421 tag found for 001/002
DEFAULT: Set DS9490 001/002 unique id to 81 B3 50 29 00 00 00 82
DEBUG: fuse_mnt_opt=[(null)]
DEBUG: fuse_open_opt=[(null)]
unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
INIT: 7.9
flags=0x0000000b
max_readahead=0x00020000
INIT: 7.8
flags=0x00000001
max_readahead=0x00020000
max_write=0x00020000
unique: 1, error: 0 (Success), outsize: 40
...........
--- OneWireQuery done
DEBUG: Cache_Get 10 00 83 50 01 08 00 7B size=8 IsUncachedDir=0
DEBUG: Get from cache sn 10 00 83 50 01 08 00 7B pointer=0x1692ec index=0 size=8
DEBUG: value not found in cache
DEBUG: Cache_Get_Internal 10 00 83 50 01 08 00 7B size=1
DEBUG: Get from cache sn 10 00 83 50 01 08 00 7B pointer=0x169148 index=-2 size=1
DEBUG: value not found in cache
DEBUG: Selecting a path (and device) path=/10.008350010800/temperature SN=10 00 83 50 01 08 00 7B last path=00 00 00 00 00 00 00 00
DATA: DS9490_reset
DATA: DS9490_reset: error sending reset ret=-110
DEBUG: Transaction select = 1
DEBUG: Selecting a path (and device) path=/10.008350010800/temperature SN=10 00 83 50 01 08 00 7B last path=00 00 00 00 00 00 00 00
DATA: DS9490_reset
And here is the output of repetitive cat for temphigh:
Sun Jun 15 19:45:52 2008 75
Sun Jun 15 19:45:53 2008 75
Sun Jun 15 19:45:54 2008 75
Sun Jun 15 19:45:56 2008 75
Sun Jun 15 19:45:57 2008 75
cat: /mnt/1-wire/uncached/10.008350010800/temphigh: Invalid argument
Sun Jun 15 19:46:13 2008
cat: /mnt/1-wire/uncached/10.*/temphigh: No such file or directory
Sun Jun 15 19:46:19 2008
After the error, if I try to start owfs (firs I killed old owfs):
[root@localhost bin]# ./owfs -u1 -m /mnt/1-wire --foreground --error_level=9
CONNECT: fuse mount point: /mnt/1-wire
CALL: PARSENAME path=[]
CONNECT: Adapter found: 001/002
CONNECT: Failed to set configuration on USB DS9490 adapter at 001/002.
Could not open the USB adapter. Is there a problem with permissions?
DEFAULT: Cannot open USB adapter
DEBUG: fuse_mnt_opt=[(null)]
DEBUG: fuse_open_opt=[(null)]
unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
INIT: 7.9
flags=0x0000000b
I also tryed to run owfs, read temperature, kill owfs and so on, but did not solved the problem. Here is the script:
#!/usr/bin/perl
while(1)
{
`./owfs -u1 /mnt/1-wire`;
$v1=`cat /mnt/1-wire/uncached/10.*/temphigh`;
# $v2=`cat /mnt/1-wire/10.*/temphigh`;
# $v3=`cat /mnt/1-wire/81.B35029000000/id`;
`killall owfs`;
print " ".localtime();
print "$v1 $v2 $v3";
print "\n";
sleep(1);
}
On Sun, Jun 15, 2008 at 3:25 AM, Paul Alfille <
paul.alfille@...> wrote:
This is a new type of error. Let's explore it a bit.
1. It sounds like the underlying hardware is ok, since Vista doesn't complain.
2. Is it only the temperature reading? Can you read temphigh without problems, even after the error?
3. Are you using owfs, owserver, owhttpd?
4. Which version of owfs are you usnig? (owfs --version)
Paul Alfille
Hello,
I installed OWFS on a Fedora 9 machine. I'm using USB version of the controller, with a DS19s20 temperature sensor. All is working fine, but after 10-20 temperature readings, somethis is happening and I can only see "invalid argument" instead of the temperature. repluging the USB doest nothing, only a system reboot will work. I tested the sensor on a Vista machine (with OneWireViewer) and it was working fine for more than 1 hour. I also made a script to read each second the id of the controller, and it worked without any problem 4-5 hours. Is there a patch or something for this problem ?
Thanks,
Cristi
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