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90c4afded4
We had various cases in which we were using const pointers for non constant data, and in fact we were allocating and free'ing them. So let's handle all these case properly, so that we won't have newer GLib complaining at us!
137 lines
3.9 KiB
C
137 lines
3.9 KiB
C
/*
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* FpDevice - A fingerprint reader device
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* Copyright (C) 2019 Benjamin Berg <bberg@redhat.com>
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* Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include "fpi-device.h"
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/* Chosen so that if we turn on after WARM -> COLD, it takes exactly one time
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* constant to go from COLD -> HOT.
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* TEMP_COLD_THRESH = 1 / (e + 1)
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*/
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#define TEMP_COLD_THRESH (0.26894142136999512075)
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#define TEMP_WARM_HOT_THRESH (1.0 - TEMP_COLD_THRESH)
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#define TEMP_HOT_WARM_THRESH (0.5)
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/* Delay updates by 100ms to avoid hitting the border exactly */
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#define TEMP_DELAY_SECONDS 0.1
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/* Hopefully 3min is long enough to not get in the way, while also not
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* properly overheating any devices.
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*/
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#define DEFAULT_TEMP_HOT_SECONDS (3 * 60)
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#define DEFAULT_TEMP_COLD_SECONDS (9 * 60)
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typedef struct
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{
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FpDeviceType type;
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GUsbDevice *usb_device;
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gchar *virtual_env;
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struct
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{
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gchar *spidev_path;
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gchar *hidraw_path;
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} udev_data;
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gboolean is_removed;
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gboolean is_open;
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gboolean is_suspended;
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gchar *device_id;
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gchar *device_name;
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FpScanType scan_type;
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FpDeviceFeature features;
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guint64 driver_data;
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gint nr_enroll_stages;
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GSList *sources;
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/* We always make sure that only one task is run at a time. */
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FpiDeviceAction current_action;
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GTask *current_task;
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GError *current_cancellation_reason;
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GAsyncReadyCallback current_user_cb;
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GCancellable *current_cancellable;
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gulong current_cancellable_id;
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gulong current_task_cancellable_id;
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GSource *current_idle_cancel_source;
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GSource *current_task_idle_return_source;
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/* State for tasks */
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gboolean wait_for_finger;
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FpFingerStatusFlags finger_status;
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/* Driver critical sections */
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guint critical_section;
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GSource *critical_section_flush_source;
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gboolean cancel_queued;
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gboolean suspend_queued;
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gboolean resume_queued;
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/* Suspend/resume tasks */
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GTask *suspend_resume_task;
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GError *suspend_error;
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/* Device temperature model information and state */
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GSource *temp_timeout;
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FpTemperature temp_current;
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gint32 temp_hot_seconds;
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gint32 temp_cold_seconds;
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gint64 temp_last_update;
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gboolean temp_last_active;
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gdouble temp_current_ratio;
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} FpDevicePrivate;
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typedef struct
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{
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FpPrint *print;
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FpEnrollProgress enroll_progress_cb;
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gpointer enroll_progress_data;
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GDestroyNotify enroll_progress_destroy;
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} FpEnrollData;
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typedef struct
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{
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FpPrint *enrolled_print; /* verify */
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GPtrArray *gallery; /* identify */
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gboolean result_reported;
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FpPrint *match;
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FpPrint *print;
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GError *error;
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FpMatchCb match_cb;
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gpointer match_data;
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GDestroyNotify match_destroy;
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} FpMatchData;
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void fpi_device_suspend (FpDevice *device);
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void fpi_device_resume (FpDevice *device);
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void fpi_device_configure_wakeup (FpDevice *device,
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gboolean enabled);
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void fpi_device_update_temp (FpDevice *device,
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gboolean is_active);
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