[sane-devel] sane_cancel on HP 5590

[tobias alarcon]

Hi all,

I am trying to cancel a page scan. so i call sane_cancel while
scanning is in progress
but the application get stuck on the next sane_read,
instead of return SANE_STATUS_CANCELLED

this its what i get from debugging

[hp5590] sane_hp5590_read, length 850, left 538900
[hp5590] hp5590_read
[hp5590] hp5590_bulk_read
[hp5590] hp5590_bulk_read: USB-in-USB: not enough data in buffer
available (available: 602, requested: 850)
[hp5590] hp5590_bulk_read: USB-in-USB: total pages done: 8
[hp5590] hp5590_bulk_read: USB-in-USB: sending USB-in-USB bulk flags
[hp5590] hp5590_bulk_read: USB-in-USB: checking confirmation for bulk flags
[hp5590] hp5590_get_ack
[hp5590] hp5590_get_ack: USB-in-USB: accepted
[hp5590] hp5590_bulk_read: USB-in-USB: sending control msg for bulk
[hp5590] hp5590_bulk_read: USB-in-USB: checking if control msg was accepted
[hp5590] hp5590_get_ack
[hp5590] hp5590_get_ack: USB-in-USB: accepted
[hp5590] hp5590_bulk_read: USB-in-USB: bulk reading 65536 bytes
[hp5590] sane_hp5590_cancel
[hp5590] hp5590_low_free_bulk_read_state
[hp5590] hp5590_low_free_bulk_read_state: USB-in-USB: freeing bulk read state
[hp5590] hp5590_stop_scan
[hp5590] hp5590_cmd: USB-in-USB: command : 011b
[hp5590] hp5590_control_msg: USB-in-USB: core data: no
[hp5590] hp5590_control_msg: USB-in-USB: sending control msg
[hp5590] hp5590_control_msg: USB-in-USB: checking acknowledge for
control message
[hp5590] hp5590_get_ack
[hp5590] hp5590_get_ack: USB-in-USB: accepted
[hp5590] hp5590_control_msg: USB-in-USB: checking if data was accepted
[hp5590] hp5590_get_ack
[hp5590] hp5590_get_ack: USB-in-USB: accepted
[hp5590] hp5590_control_msg: USB-in-USB: getting response
[hp5590] hp5590_control_msg: USB-in-USB: invalid response received
(needed 0000, got 00e3)

thanks in advance
Tobias