Hello, I am trying to make the Microsoft 1033 fingerprint scanner work with fprint on a Raspberry Pi. I'm running into a problem where fingerprint enrollment stalls after the first stage. The first scan gets saved and I'm prompted for the next one, but the fingerprint scanner stops responding to anything...the red light stays on, but nothing happens in software. I was using the Jessie repo for the Raspi which contained the 0.5.1 build of libfprint. I've since abandoned that build so that I could compile myself with the --enable-debug-log switch. Below is a dump of the console with the debug log turned on. I'm hoping someone else has run into this issue so that I don't have to work through all of the libfprint source to fix it myself :-D
./enroll This program will enroll your right index finger, unconditionally overwriting any right-index print that was enrolled previously. If you want to continue, press enter, otherwise hit Ctrl+C fp:debug [fp_init] fp:debug [register_driver] registered driver upekts fp:debug [register_driver] registered driver aes3500 fp:debug [register_driver] registered driver aes4000 fp:debug [register_driver] registered driver aes2501 fp:debug [register_driver] registered driver aes2550 fp:debug [register_driver] registered driver uru4000 fp:debug [register_driver] registered driver vcom5s fp:debug [register_driver] registered driver upeksonly fp:debug [register_driver] registered driver aes1610 fp:debug [register_driver] registered driver aes1660 fp:debug [register_driver] registered driver aes2660 fp:debug [register_driver] registered driver vfs101 fp:debug [register_driver] registered driver vfs301 fp:debug [register_driver] registered driver upektc fp:debug [register_driver] registered driver upekts_img fp:debug [register_driver] registered driver etes603 fp:debug [find_supporting_driver] driver uru4000 supports USB device 045e:00bd fp:debug [find_supporting_driver] selected driver uru4000 supports USB device 045e:00bd Found device claimed by Digital Persona U.are.U 4000/4000B/4500 driver sync:debug [fp_dev_open] async:debug [fp_async_dev_open] async:debug [fpi_drvcb_open_complete] status 0 sync:debug [sync_open_cb] status 0 Opened device. It's now time to enroll your finger. You will need to successfully scan your finger 5 times to complete the process. Scan your finger now. sync:debug [fp_enroll_finger_img] async:debug [fp_async_enroll_start] starting enrollment fp:debug [generic_acquire_start] action 1 drv:debug [__ssm_call_handler] 0x1cba958 entering state 0 uru4000:debug [sm_read_regs] read 1 regs at 7 sync:debug [fp_enroll_finger_img] uru4000 will handle enroll stage 0/4 uru4000:debug [sm_read_reg_cb] reg value 1 drv:debug [__ssm_call_handler] 0x1cba958 entering state 1 drv:debug [__ssm_call_handler] 0x1cba958 entering state 3 uru4000:debug [sm_set_hwstat] set 81 drv:debug [__ssm_call_handler] 0x1cba958 entering state 4 drv:debug [__ssm_call_handler] 0x1cba980 entering state 0 drv:debug [__ssm_call_handler] 0x1cba980 entering state 1 uru4000:debug [sm_set_hwstat] set 01 drv:debug [__ssm_call_handler] 0x1cba980 entering state 2 uru4000:debug [sm_read_regs] read 1 regs at 7 uru4000:debug [sm_read_reg_cb] reg value 0 drv:debug [__ssm_call_handler] 0x1cba980 entering state 3 drv:debug [fpi_ssm_mark_completed] 0x1cba980 completed with status 0 drv:debug [__ssm_call_handler] 0x1cba958 entering state 5 poll:debug [fpi_timeout_add] in 300ms poll:debug [get_next_timeout_expiry] next timeout in 0.299905s poll:debug [get_next_timeout_expiry] next timeout in 0.299111s uru4000:debug [irq_handler] recv irq type 56aa uru4000:debug [init_scanpwr_irq_cb] late scanpwr interrupt drv:debug [__ssm_call_handler] 0x1cba958 entering state 6 poll:debug [fpi_timeout_cancel] drv:debug [__ssm_call_handler] 0x1cba958 entering state 7 uru4000:debug [sm_read_regs] read 16 regs at f0 uru4000:debug [sm_read_reg_cb] reg value 45 drv:debug [__ssm_call_handler] 0x1cba958 entering state 8 uru4000:info [init_run_state] Versions 0040 and 0014 drv:debug [fpi_ssm_mark_completed] 0x1cba958 completed with status 0 uru4000:debug [execute_state_change] wait finger on fp:debug [fpi_imgdev_activate_complete] status 0 async:debug [fpi_drvcb_enroll_started] status 0 uru4000:debug [execute_state_change] wait finger on uru4000:debug [irq_handler] recv irq type 0101 fp:debug [fpi_imgdev_report_finger_status] finger on sensor uru4000:debug [execute_state_change] starting capture drv:debug [__ssm_call_handler] 0x1cab468 entering state 0 drv:debug [__ssm_call_handler] 0x1cab468 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cab468 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_img_detect_minutiae] minutiae scan completed in 0.620926 secs fp:debug [fpi_img_detect_minutiae] detected 43 minutiae fp:debug [print_data_new] driver=02 devtype=0000 fp:debug [print_data_new] driver=02 devtype=0000 drv:debug [fpi_ssm_mark_completed] 0x1cab468 completed with status 0 uru4000:debug [execute_state_change] await finger off uru4000:debug [irq_handler] recv irq type 0200 fp:debug [fpi_imgdev_report_finger_status] finger removed fp:debug [fpi_imgdev_report_finger_status] reporting enroll result async:debug [fpi_drvcb_enroll_stage_completed] result 3 sync:debug [sync_enroll_cb] result 3 uru4000:debug [execute_state_change] starting capture drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 sync:debug [fp_enroll_finger_img] enroll stage passed Finger scanned. fp:debug [fp_img_save_to_file] written to 'enrolled.pgm' Wrote scanned image to enrolled.pgm Enroll stage passed. Yay! Scan your finger now. sync:debug [fp_enroll_finger_img] sync:debug [fp_enroll_finger_img] uru4000 will handle enroll stage 1/4 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_imgdev_image_captured] ignoring due to current state 2 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_imgdev_image_captured] ignoring due to current state 2 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_imgdev_image_captured] ignoring due to current state 2 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_imgdev_image_captured] ignoring due to current state 2 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_imgdev_image_captured] ignoring due to current state 2 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 1 uru4000:debug [imaging_run_state] hw header lines 289 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 4 fp:debug [fpi_img_new] length=111360 fp:debug [fpi_imgdev_image_captured] fp:debug [fpi_imgdev_image_captured] ignoring due to current state 2 drv:debug [__ssm_call_handler] 0x1cf5480 entering state 0 ---- At this point, things just loop indefinitely, with the "ignoring due to current state 2" message. Thanks, Andreas
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