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eko.one.pl → Oprogramowanie / Software → 1-WIRE na DS2490
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sorki za zamieszanie zainstalowalem jeszcze raz z tego linka co podales i jednak wifi działa sorka za kłopot.
ale tu nadal nic nie ma ;/
root@OpenWrt:~# /sys/bus/w1/drivers/w1_slave_driver/
-ash: /sys/bus/w1/drivers/w1_slave_driver/: Permission denied
root@OpenWrt:~# cat /sys/bus/w1/drivers/w1_slave_driver/*/w1_slave
cat: can't open '/sys/bus/w1/drivers/w1_slave_driver/*/w1_slave': No such file or directory
Czyli masz coś nie tak jednak z tym interfejsem, z tego powodu nie działał też digitemp pewnie.
cat /proc/bus/usb/devices
logread
pokaż
root@OpenWrt:~# cat /proc/bus/usb/devices
cat: can't open '/proc/bus/usb/devices': No such file or directory
ep 8 15:46:40 OpenWrt daemon.info dnsmasq[957]: reading /tmp/resolv.conf.auto
Sep 8 15:46:40 OpenWrt daemon.info dnsmasq[957]: using nameserver 193.169.112.6 5#53
Sep 8 15:46:40 OpenWrt daemon.info dnsmasq[957]: using local addresses only for domain lan
Sep 8 15:46:44 OpenWrt user.info firewall: adding wan (eth0.1) to zone wan
May 14 18:08:21 OpenWrt kern.info kernel: [ 247.264000] b43-phy0: Loading firmw are version 666.2 (2011-02-23 01:15:07)
May 14 18:08:27 OpenWrt kern.info kernel: [ 252.840000] device wlan0 entered pr omiscuous mode
May 14 18:08:27 OpenWrt kern.info kernel: [ 253.004000] b43-phy0: Loading firmw are version 666.2 (2011-02-23 01:15:07)
May 14 18:08:33 OpenWrt kern.info kernel: [ 258.572000] br-lan: port 2(wlan0) e ntered forwarding state
May 14 18:08:33 OpenWrt kern.info kernel: [ 258.576000] br-lan: port 2(wlan0) e ntered forwarding state
May 14 18:08:35 OpenWrt kern.info kernel: [ 260.580000] br-lan: port 2(wlan0) e ntered forwarding state
May 14 18:08:56 OpenWrt authpriv.info dropbear[2338]: Child connection from 192. 168.1.109:56875
May 14 18:09:00 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 IEEE 8 02.11: authenticated
May 14 18:09:01 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 IEEE 8 02.11: associated (aid 1)
May 14 18:09:01 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPREQUEST(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:09:01 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:09:01 OpenWrt daemon.info hostapd: wlan0: STA 74:de:2b:9d:40:d2 IEEE 8 02.11: authenticated
May 14 18:09:01 OpenWrt daemon.info hostapd: wlan0: STA 74:de:2b:9d:40:d2 IEEE 8 02.11: associated (aid 2)
May 14 18:09:01 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPREQUEST(br-lan) 192.1 68.1.116 74:de:2b:9d:40:d2
May 14 18:09:01 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .116 74:de:2b:9d:40:d2 oem-Komputer
May 14 18:09:04 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.116 74:de:2b:9d:40:d2
May 14 18:09:04 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .116 74:de:2b:9d:40:d2 oem-Komputer
May 14 18:09:05 OpenWrt authpriv.warn dropbear[2338]: Bad password attempt for ' root' from 192.168.1.109:56875
May 14 18:09:08 OpenWrt authpriv.warn dropbear[2338]: Bad password attempt for ' root' from 192.168.1.109:56875
May 14 18:09:11 OpenWrt authpriv.info dropbear[2338]: Exit before auth (user 'ro ot', 2 fails): Exited normally
May 14 18:09:41 OpenWrt auth.info passwd: Password for root changed by root
May 14 18:09:43 OpenWrt authpriv.info dropbear[1043]: Premature exit: Terminated by signal
May 14 18:09:46 OpenWrt authpriv.info dropbear[2582]: Running in background
May 14 18:10:02 OpenWrt authpriv.info dropbear[2585]: Child connection from 192. 168.1.109:56966
May 14 18:10:09 OpenWrt authpriv.notice dropbear[2585]: Password auth succeeded for 'root' from 192.168.1.109:56966
May 14 18:10:29 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.116 74:de:2b:9d:40:d2
May 14 18:10:29 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .116 74:de:2b:9d:40:d2 oem-Komputer
May 14 18:11:15 OpenWrt kern.info kernel: [ 420.992000] usbcore: registered new interface driver usbfs
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.000000] usbcore: registered new interface driver hub
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.012000] usbcore: registered new device driver usb
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.152000] Driver for 1-wire Dalla s network protocol.
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.296000] usbcore: registered new interface driver DS9490R
May 14 18:13:49 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.118 78:e4:00:55:f5:34
May 14 18:13:49 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:14:30 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.109 f4:6d:04:cd:ed:aa
May 14 18:14:30 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .109 f4:6d:04:cd:ed:aa
May 14 18:20:32 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.116 74:de:2b:9d:40:d2
May 14 18:20:32 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .116 74:de:2b:9d:40:d2 oem-Komputer
May 14 18:22:32 OpenWrt authpriv.info dropbear[2585]: Exit (root): Exited normal ly
May 14 18:23:02 OpenWrt authpriv.info dropbear[3411]: Child connection from 192. 168.1.109:57252
May 14 18:23:10 OpenWrt authpriv.notice dropbear[3411]: Password auth succeeded for 'root' from 192.168.1.109:57252
May 14 18:24:49 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.118 78:e4:00:55:f5:34
May 14 18:24:49 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:25:06 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPINFORM(br-lan) 192.16 8.1.109 f4:6d:04:cd:ed:aa
May 14 18:25:06 OpenWrt daemon.info dnsmasq-dhcp[957]: DHCPACK(br-lan) 192.168.1 .109 f4:6d:04:cd:ed:aa
May 14 18:26:52 OpenWrt kern.info kernel: [ 1357.808000] device wlan0 left promi scuous mode
May 14 18:26:52 OpenWrt kern.info kernel: [ 1357.812000] br-lan: port 2(wlan0) e ntered disabled state
May 14 18:26:57 OpenWrt kern.info kernel: [ 1363.240000] b43-phy0: Loading firmw are version 666.2 (2011-02-23 01:15:07)
May 14 18:27:03 OpenWrt kern.info kernel: [ 1368.832000] device wlan0 entered pr omiscuous mode
May 14 18:27:03 OpenWrt kern.info kernel: [ 1368.996000] b43-phy0: Loading firmw are version 666.2 (2011-02-23 01:15:07)
May 14 18:27:09 OpenWrt kern.info kernel: [ 1375.300000] br-lan: port 2(wlan0) e ntered forwarding state
May 14 18:27:09 OpenWrt kern.info kernel: [ 1375.308000] br-lan: port 2(wlan0) e ntered forwarding state
May 14 18:27:11 OpenWrt kern.info kernel: [ 1377.312000] br-lan: port 2(wlan0) e ntered forwarding state
May 14 18:27:15 OpenWrt daemon.info dnsmasq[957]: reading /tmp/resolv.conf.auto
May 14 18:27:15 OpenWrt daemon.info dnsmasq[957]: using nameserver 193.169.112.6 5#53
May 14 18:27:15 OpenWrt daemon.info dnsmasq[957]: using local addresses only for domain lan
May 14 18:27:15 OpenWrt daemon.info dnsmasq[957]: exiting on receipt of SIGTERM
May 14 18:27:18 OpenWrt user.notice dnsmasq: DNS rebinding protection is active, will discard upstream RFC1918 responses!
May 14 18:27:18 OpenWrt user.notice dnsmasq: Allowing 127.0.0.0/8 responses
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: started, version 2.62 cachesi ze 150
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: compile time options: IPv6 GN U-getopt no-DBus no-i18n no-IDN DHCP no-DHCPv6 no-Lua TFTP no-conntrack
May 14 18:27:21 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCP, IP range 192.168.1 .100 -- 192.168.1.249, lease time 12h
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: using local addresses only fo r domain lan
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: reading /tmp/resolv.conf.auto
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: using nameserver 193.169.112. 65#53
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: using local addresses only fo r domain lan
May 14 18:27:21 OpenWrt daemon.info dnsmasq[4881]: read /etc/hosts - 1 addresses
May 14 18:27:21 OpenWrt daemon.info dnsmasq-dhcp[4881]: read /etc/ethers - 0 add resses
May 14 18:27:40 OpenWrt user.info firewall: adding lan (br-lan) to zone lan
May 14 18:27:43 OpenWrt user.info firewall: adding wan (eth0.1) to zone wan
May 14 18:27:46 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 IEEE 8 02.11: authenticated
May 14 18:27:46 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 IEEE 8 02.11: associated (aid 1)
May 14 18:27:46 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 WPA: p airwise key handshake completed (RSN)
May 14 18:28:17 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 IEEE 8 02.11: disassociated
May 14 18:28:18 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPDISCOVER(br-lan) 78: d6:f0:f4:b2:40
May 14 18:28:18 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPOFFER(br-lan) 192.16 8.1.178 78:d6:f0:f4:b2:40
May 14 18:28:18 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPDISCOVER(br-lan) 78: d6:f0:f4:b2:40
May 14 18:28:18 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPOFFER(br-lan) 192.16 8.1.178 78:d6:f0:f4:b2:40
May 14 18:28:18 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 IEEE 8 02.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
May 14 18:28:32 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 IEEE 8 02.11: authenticated
May 14 18:28:32 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 IEEE 8 02.11: associated (aid 1)
May 14 18:28:32 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 WPA: p airwise key handshake completed (RSN)
May 14 18:28:34 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPDISCOVER(br-lan) 78: d6:f0:f4:b2:40
May 14 18:28:34 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPOFFER(br-lan) 192.16 8.1.178 78:d6:f0:f4:b2:40
May 14 18:28:34 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPREQUEST(br-lan) 192. 168.1.178 78:d6:f0:f4:b2:40
May 14 18:28:34 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.178 78:d6:f0:f4:b2:40
May 14 18:34:22 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.109 f4:6d:04:cd:ed:aa
May 14 18:34:22 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.109 f4:6d:04:cd:ed:aa
May 14 18:34:49 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 IEEE 8 02.11: authenticated
May 14 18:34:49 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 IEEE 8 02.11: associated (aid 2)
May 14 18:34:49 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 WPA: p airwise key handshake completed (RSN)
May 14 18:34:49 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPREQUEST(br-lan) 192. 168.1.118 78:e4:00:55:f5:34
May 14 18:34:49 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:34:54 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:34:54 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:35:36 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.109 f4:6d:04:cd:ed:aa
May 14 18:35:36 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.109 f4:6d:04:cd:ed:aa
May 14 18:37:09 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 WPA: g roup key handshake completed (RSN)
May 14 18:37:10 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 WPA: g roup key handshake completed (RSN)
May 14 18:37:19 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:37:19 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:38:20 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:38:20 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:40:05 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:40:05 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:43:16 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:43:16 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:46:04 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.118 78:e4:00:55:f5:34
May 14 18:46:04 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.118 78:e4:00:55:f5:34 Sadzon-Komputer
May 14 18:46:51 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPINFORM(br-lan) 192.1 68.1.109 f4:6d:04:cd:ed:aa
May 14 18:46:51 OpenWrt daemon.info dnsmasq-dhcp[4881]: DHCPACK(br-lan) 192.168. 1.109 f4:6d:04:cd:ed:aa
May 14 18:47:09 OpenWrt daemon.info hostapd: wlan0: STA 78:e4:00:55:f5:34 WPA: g roup key handshake completed (RSN)
May 14 18:47:10 OpenWrt daemon.info hostapd: wlan0: STA 78:d6:f0:f4:b2:40 WPA: g roup key handshake completed (RSN)
A kmod-usb-uhci jest w ogóle tu zainstalowane?
nie jest zainstalowane
root@OpenWrt:~# owfs install kmod-usb-uhci
-ash: owfs: not found
edit: juz zainstalowalem znalazlem w system software i wrzuciłem
opkg install, nie owfs
mam juz wrzucone a to ma znaczenie ze ten adapter wykrywa jako DS9490R a nie jako DS2490 ?
bo takie cos w logu znalazlem
May 14 18:11:15 OpenWrt kern.info kernel: [ 420.992000] usbcore: registered new interface driver usbfs
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.000000] usbcore: registered new interface driver hub
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.012000] usbcore: registered new device driver usb
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.152000] Driver for 1-wire Dalla s network protocol.
May 14 18:11:15 OpenWrt kern.info kernel: [ 421.296000] usbcore: registered new interface driver DS9490R
Bo on akurat tak się przedstawia.
co by tu jeszcze mozna zrobic zeby to ruszyło ?
datascheet scalaka na jakim jest ten adapter http://datasheets.maximintegrated.com/en/ds/DS2490.pdf
To musi działać o ile układ jest sprawny. Widzisz w ogóle układ ma magistrali usb? (usbutils sobie zainstaluj i lsusb zrób)
root@OpenWrt:~# lsusb
unable to initialize libusb: -99
Masz jakiś systemowy problem chyba.
kurde;/ a czy dalo by rade bo czytalem o takim czyms jak USB server i uodstępic ten port usb z podpiętym adapterem na PC tylko nie znalazlem nic zeby ten port zainstalować na windowsie tylko o linuxie był opis. da rade na windows ?
usbip. Na windows do średnio chodzi. Ale jeżeli Ty masz problem z samym lsusb to zapewne i usbip nie będzie działać.
to lipa da rade jeszcze jakos uruchomić to usb? czy czeka mnie lutowanie do pinów GPIO
hehe nic na siłe wszystko młotkiem i działa po instalowałem wszyskie sterowniki jakie sa do usb i jest 
root@OpenWrt:~# cat /sys/bus/w1/drivers/w1_slave_driver/*/w1_slave
65 01 4b 46 7f ff 0b 10 2c : crc=2c YES
65 01 4b 46 7f ff 0b 10 2c t=22312
58 01 4b 46 7f ff 08 10 f9 : crc=f9 YES
58 01 4b 46 7f ff 08 10 f9 t=21500
jeszcze jedno małe pytanko idzie jakoś zrobic obraz tego systemu z wszystkimi zainstalowanymi pakietami bo jak sie zresetuje albo cos to się nie połapie czego brakuje i znów tydzien szukania 
i jak by ktos miał taki sam problem to liste sterowników wziąłem stąd http://wiki.openwrt.org/doc/howto/usb.essentials
To ty w ogóle po prostu sterowników do usb nie zainstalowałeś. Ehhh.
Analogicznie do http://openrouter.info/index.php?option … ;Itemid=61 musisz robić.
Kupilem adapter DS9490R (na DS2490), podlaczylem DS18B20 i:
na Openwrt (21.02.1) kernel widzi adapter i termometr i zamontowal pod /sys/bus/w1/devices/28-xxxxxxxxxx/w1_slave
mam jednak problem z Raspbianem Buster na RPi4. System widzi adapter, widzi tez DS18B20 jednak brakuje "pliku" /sys/bus/w1/devices/28-xxxxxxxxxx/w1_slave.
root@raspberrypi:/sys/bus/w1/devices/28-20d55b1e64ff# ls -la
total 0
drwxr-xr-x 3 root root 0 Dec 17 20:49 .
drwxr-xr-x 4 root root 0 Dec 17 20:48 ..
lrwxrwxrwx 1 root root 0 Dec 17 20:55 driver -> ../../../bus/w1/drivers/w1_slave_driver
-r--r--r-- 1 root root 4096 Dec 17 20:55 id
-r--r--r-- 1 root root 4096 Dec 17 20:55 name
drwxr-xr-x 2 root root 0 Dec 17 20:55 power
lrwxrwxrwx 1 root root 0 Dec 17 20:55 subsystem -> ../../../bus/w1
-rw-r--r-- 1 root root 4096 Dec 17 20:55 ueventGdzie szukac problemu?
Pomijając fakt że to nie na temat forum - nie masz załadowanego w1_therm, który odpowiada za sterownik
Ew po porostu nie włączyłeś 1wire w configu RPI.
root@raspberrypi:/sys/bus/w1/devices/28-20d55b1e64ff# lsmod |grep w1
w1_gpio 16384 0
w1_therm 28672 0
wire 36864 3 ds2490,w1_gpio,w1_thermw configu RPi probowalem juz obu opcji wl/wyl.
Wywal w1_gpio z systemu, bo nie wiem czy on nie powoduje że spodziewa się chipu podłączonego bezpośrednio pod gpio.
Niestety i to nie pomoglo.
Ciekawe jest tez ze pod Openwrt kernel odczytuje temperature (w1_slave) jednak nie ma obiektu /dev/ttyUSB0 stad nie da sie uzyc digitemp_ds2490.
Bo to nie jest port szeregowy tylko korzysta "bezpośrednio" z usb. Nie wiem jak to opisać sensownie.
Rozumiem, jednak jak niby mialo by sie uzywac digitemp_ds2490 skoro wlasnie ten uklad zostal zastosowany a nie jest on widziany pod /dev/ttyUSB0?
ds2490 nie jest portem szeregowym. Jest mostem usb<>1wire. ds9097 jest portem szeregowym.
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