The code does confirm that your device is found.
How about the simplest test,
root@PiDoor:~# owserver --fake=10 -p 4304 --error_level=9 --foreground
Just to make sure that the problem is the bus-master code.
Paul
On Fri, Jul 25, 2014 at 4:03 AM, Thomas Oeding <thomas.oed...@gmail.com>
wrote:
> Hello all,
>
> i assembled an DS2482-800 (8 channel 1-wire i2c busmaster) on the
> Adafruit Prototyping Pi Plate Kit
> (http://www.adafruit.com/products/801) - i only connect 3.3V, GND,
> SDA, SCL directly with the DS2482.
> AD0,AD1,AD2 with GND
> (http://datasheets.maximintegrated.com/en/ds/DS2482-800.pdf).
>
> Software config:
>
> Commentet out the blacklisting (because bcm2708 uses the GPIO pins):
> ----------------------------------
> root@PiDoor:~# cat /etc/modprobe.d/raspi-blacklist.conf
> # blacklist spi and i2c by default (many users don't need them)
>
> #blacklist spi-bcm2708
> #blacklist i2c-bcm2708
> ----------------------------------
>
> Many modules loaded, maybe i must blacklist some to make the DS2482-800
> work?
> ----------------------------------
> root@PiDoor:~# lsmod
> Module Size Used by
> i2c_dev 5277 0
> snd_bcm2835 18169 0
> snd_soc_pcm512x 8909 0
> snd_soc_wm8804 7833 0
> snd_soc_bcm2708_i2s 5486 0
> regmap_mmio 2818 1 snd_soc_bcm2708_i2s
> snd_soc_core 128166 3
> snd_soc_pcm512x,snd_soc_wm8804,snd_soc_bcm2708_i2s
> regmap_spi 1913 3 snd_soc_pcm512x,snd_soc_wm8804,snd_soc_core
> snd_pcm_dmaengine 5481 1 snd_soc_core
> snd_pcm 81518 3 snd_bcm2835,snd_soc_core,snd_pcm_dmaengine
> snd_page_alloc 5168 1 snd_pcm
> regmap_i2c 1657 3 snd_soc_pcm512x,snd_soc_wm8804,snd_soc_core
> snd_compress 8136 1 snd_soc_core
> snd_seq 54581 0
> snd_timer 20353 2 snd_pcm,snd_seq
> snd_seq_device 6485 1 snd_seq
> leds_gpio 2055 0
> led_class 4119 1 leds_gpio
> snd 61518 7
>
> snd_bcm2835,snd_soc_core,snd_timer,snd_pcm,snd_seq,snd_seq_device,snd_compress
> spi_bcm2708 4808 0
> i2c_bcm2708 4719 0
> ----------------------------------
>
> Should the DS2482-800 not visible in the DMESG log?
> ----------------------------------
> root@PiDoor:~# dmesg | grep i2c
> [ 5.317391] bcm2708_i2c_init_pinmode(0,0)
> [ 5.508709] bcm2708_i2c_init_pinmode(0,1)
> [ 5.515670] bcm2708_i2c bcm2708_i2c.0: BSC0 Controller at
> 0x20205000 (irq 79) (baudrate 100000)
> [ 5.971077] bcm2708_i2c_init_pinmode(1,2)
> [ 5.977836] bcm2708_i2c_init_pinmode(1,3)
> [ 6.079191] bcm2708_i2c bcm2708_i2c.1: BSC1 Controller at
> 0x20804000 (irq 79) (baudrate 100000)
> [ 12.763614] i2c /dev entries driver
> ----------------------------------
>
> Seems to be correct, internal and "external" i2c bus:
> ----------------------------------
> root@PiDoor:~# i2cdetect -l
> i2c-0 i2c bcm2708_i2c.0 I2C adapter
> i2c-1 i2c bcm2708_i2c.1 I2C adapter
> ----------------------------------
>
> Pi Hardware Version 2 - i2c-1 is the external bus:
> ----------------------------------
> root@PiDoor:~# i2cdetect -y 1
> 0 1 2 3 4 5 6 7 8 9 a b c d e f
> 00: -- -- -- -- -- -- -- -- -- -- -- -- --
> 10: -- -- -- -- -- -- -- -- 18 -- -- -- -- -- -- --
> 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 30: -- -- -- -- -- -- -- -- -- -- -- UU -- -- -- --
> 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
> 70: -- -- -- -- -- -- -- --
> ----------------------------------
>
> Latest kernel (updated with apt-get dist-upgrade):
> ----------------------------------
> root@PiDoor:~# uname -a
> Linux PiDoor 3.12.22+ #691 PREEMPT Wed Jun 18 18:29:58 BST 2014 armv6l
> GNU/Linux
> ----------------------------------
>
> Buildin owfs:
> ----------------------------------
> root@PiDoor:~# owserver --version
> owserver version:
> 2.8p15
> libow version:
> 2.8p15
>
> root@PiDoor:~# owserver --i2c=/dev/i2c-1 -p 4304 --error_level=9
> --foreground
> Segmentation fault
> ----------------------------------
>
> latest one (2.9p5) - self compiled:
> ----------------------------------
> root@PiDoor:~# /opt/owfs/bin/owserver --i2c=/dev/i2c-1 -p 4304
> --error_level=9 --foreground
> DEBUG: ow_daemon.c:(166) main thread id = 3069968912
> DEBUG: ow_avahi_link.c:(71) Avahi support: libavahi-client loaded
> successfully
> DEBUG: ow_avahi_link.c:(73) Avahi library function found:
> avahi_client_errno
> DEBUG: ow_avahi_link.c:(74) Avahi library function found:
> avahi_client_free
> DEBUG: ow_avahi_link.c:(75) Avahi library function found:
> avahi_client_new
> DEBUG: ow_avahi_link.c:(76) Avahi library function found:
> avahi_client_get_domain_name
> DEBUG: ow_avahi_link.c:(77) Avahi library function found:
> avahi_entry_group_add_service
> DEBUG: ow_avahi_link.c:(78) Avahi library function found:
> avahi_entry_group_commit
> DEBUG: ow_avahi_link.c:(79) Avahi library function found:
> avahi_entry_group_is_empty
> DEBUG: ow_avahi_link.c:(80) Avahi library function found:
> avahi_entry_group_new
> DEBUG: ow_avahi_link.c:(81) Avahi library function found:
> avahi_entry_group_reset
> DEBUG: ow_avahi_link.c:(83) Avahi library function found:
> avahi_service_resolver_free
> DEBUG: ow_avahi_link.c:(84) Avahi library function found:
> avahi_service_resolver_new
> DEBUG: ow_avahi_link.c:(85) Avahi library function found:
> avahi_service_browser_free
> DEBUG: ow_avahi_link.c:(86) Avahi library function found:
> avahi_service_browser_new
> DEBUG: ow_avahi_link.c:(98) Avahi support: libavahi-common loaded
> successfully.
> DEBUG: ow_avahi_link.c:(100) Avahi library function found:
> avahi_simple_poll_free
> DEBUG: ow_avahi_link.c:(101) Avahi library function found:
> avahi_simple_poll_get
> DEBUG: ow_avahi_link.c:(102) Avahi library function found:
> avahi_simple_poll_loop
> DEBUG: ow_avahi_link.c:(103) Avahi library function found:
> avahi_simple_poll_new
> DEBUG: ow_avahi_link.c:(104) Avahi library function found:
> avahi_simple_poll_quit
> DEBUG: ow_avahi_link.c:(105) Avahi library function found: avahi_strerror
> CALL: ow_parsename.c:(102) path=[]
> DEBUG: owlib.c:(81) Globals temp limits 0C 100C (for simulated adapters)
> CONNECT: ow_ds2482.c:(396) Found an i2c device at /dev/i2c-1 address 18
> DEBUG: ow_ds2482.c:(514) ok
> CONNECT: ow_ds2482.c:(425) i2c device at /dev/i2c-1 address 18 appears
> to be DS2482-x00
> CONNECT: ow_ds2482.c:(701) DS2482-800 (Eight channels)
> Segmentation fault
> ----------------------------------
>
> I'm unable to get the DS2482-800 running :cry:
> How i can check the hardware for correct function?
> Or maybe something is wrong with owfs...
>
> Bests
> Thomas Oeding
>
>
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