From: Marcus M. <mei...@su...> - 2017-05-21 19:33:49
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On Sun, May 21, 2017 at 08:07:44PM +0200, Michael Schaffner wrote: > Hi, > > i am trying to use my Canon Powershot G9 X with gphoto2. > Using USB everything works (using digikam in debian stretch). > Using PTPIP there is no success so far (after reading lots of blog > posts,mailing list posts and so on). > > I connected the camera successfully using the original canon software > and captured the initial Handshake using Wireshark/libpcap on a Windows > 10 machine. > > When filtering the captured packets for ptpip, the first lines i got were: > Init Command Request GUID: 0000000000000000ffff821934822fef Name: AEBOOK > Init Command Ack Connection #:23213 GUID: > 372671113c97074fb908945be4dfa273 Name: Canon PowerShot G9 X > > So i put the line > ptp2_ip=guid=00:00:00:00:00:00:00:00:ff:ff:82:19:34:82:2f:ef > in ~/.gphoto2/settings. > > Being still not successful i used > env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt --port > ptpip:192.168.10.211 --camera "PTP/IP Camera" -L > to get a logfile. Here is the relevant (imho) part: > > 0.099013 ptp_ptpip_init_command_request(3): ptpip/init_cmd data: > (hexdump of 42 bytes) > 0000 2a 00 00 00 01 00 00 00-00 00 00 00 00 00 00 00 *............... > 0010 ff ff 82 19 34 82 2f ef-41 00 45 00 42 00 4f 00 ....4./.A.E.B.O. > 0020 4f 00 4b 00 00 00 00 00-01 00 O.K....... > > 0.099136 ptp_ptpip_init_command_request [ptpip.c:473](0): return 42 / len 42 > 0.101962 ptp_ptpip_generic_read (3): ptpip/generic_read header: > (hexdump of 8 bytes) > 0000 0c 00 00 00 05 00 00 00- ........ > > 0.101994 ptp_ptpip_generic_read (3): ptpip/generic_read data: > (hexdump of 4 bytes) > 0000 01 00 00 00 - .... > > 0.102004 ptp_ptpip_init_command_ack [ptpip.c:498](0): bad type returned 5 > 0.102056 camera_init [library.c:7678](0): Failed to connect. > 0.102065 gp_port_close (2): Closing port... > 0.102423 gp_context_error (0): An error occurred in the > io-library ('Unspecified error'): No error description available > 0.103179 gp_camera_free (2): Freeing camera... > 0.103199 gp_port_free (2): Freeing port... > 0.103206 gp_port_close (2): Closing port... > 0.103251 gp_filesystem_reset (2): resetting filesystem > 0.103259 gp_filesystem_lru_clear (2): Clearing fscache LRU list... > 0.103265 gp_filesystem_lru_clear (2): fscache LRU list already empty > 0.103271 delete_all_folders (2): Internally deleting all > folders from '/'... > 0.103277 lookup_folder (2): Lookup folder '/'... > 0.103284 lookup_folder (2): Found! / is 0x5556a2498420 > 0.103290 recurse_delete_folder (2): Recurse delete folder > 0x5556a2498420// > > The error "bad type returned 5" is still the same as in my first tests > without any capturing/messing with GUIDs, etc. > As im not really understanding whats going on here i even tried to use > both GUIDs from the Capture - in desperation i even patched libgphoto2 > to hardcode the hostname to AEBOOK (which is the name of the Windows > machine i used for testing) just in case :-). > > Still no luck. > > Has anybody succesfully connected a G9X (or another newer Canon Camera) > using PTPIP and libgphoto2 or are some of the above steps terribly wrong? type 5 is INIT_FAILED, so something was amiss. It would be the GUID usually and it is weird that its the same as windows uses :( That really should work. What is the full packet content in hex from windows? The hostname should not really matter though. Ciao, Marcus |