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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2013-2015 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU General Public License Version 2
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <glib-object.h>
#include <gusb.h>
#include <string.h>
#include "../src/cd-sensor.h"
#include "dtp94-enum.h"
#include "dtp94-device.h"
typedef struct
{
GUsbDevice *device;
} CdSensorDtp94Private;
#define DTP94_CONTROL_MESSAGE_TIMEOUT 50000 /* ms */
static CdSensorDtp94Private *
cd_sensor_dtp94_get_private (CdSensor *sensor)
{
return g_object_get_data (G_OBJECT (sensor), "priv");
}
static void
cd_sensor_dtp94_sample_thread_cb (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
CdSensor *sensor = CD_SENSOR (source_object);
CdSensorCap cap = GPOINTER_TO_UINT (task_data);
CdSensorDtp94Private *priv = cd_sensor_dtp94_get_private (sensor);
CdColorXYZ *sample;
g_autoptr(GError) error = NULL;
/* take a measurement from the sensor */
cd_sensor_set_state_in_idle (sensor, CD_SENSOR_STATE_MEASURING);
sample = dtp94_device_take_sample (priv->device, cap, &error);
if (sample == NULL) {
g_task_return_new_error (task,
CD_SENSOR_ERROR,
CD_SENSOR_ERROR_NO_DATA,
"%s", error->message);
return;
}
g_task_return_pointer (task, sample, NULL);
}
void
cd_sensor_get_sample_async (CdSensor *sensor,
CdSensorCap cap,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (CD_IS_SENSOR (sensor));
task = g_task_new (sensor, cancellable, callback, user_data);
g_task_set_task_data (task, GUINT_TO_POINTER (cap), NULL);
g_task_run_in_thread (task, cd_sensor_dtp94_sample_thread_cb);
}
CdColorXYZ *
cd_sensor_get_sample_finish (CdSensor *sensor, GAsyncResult *res, GError **error)
{
g_return_val_if_fail (g_task_is_valid (res, sensor), NULL);
return g_task_propagate_pointer (G_TASK (res), error);
}
static void
cd_sensor_dtp94_lock_thread_cb (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
CdSensor *sensor = CD_SENSOR (source_object);
CdSensorDtp94Private *priv = cd_sensor_dtp94_get_private (sensor);
g_autoptr(GError) error = NULL;
g_autofree gchar *serial = NULL;
/* try to find the USB device */
priv->device = cd_sensor_open_usb_device (sensor,
0x01, /* config */
0x00, /* interface */
&error);
if (priv->device == NULL) {
g_task_return_new_error (task,
CD_SENSOR_ERROR,
CD_SENSOR_ERROR_INTERNAL,
"%s", error->message);
return;
}
/* set state */
cd_sensor_set_state_in_idle (sensor, CD_SENSOR_STATE_STARTING);
/* do startup sequence */
if (!dtp94_device_setup (priv->device, &error)) {
g_task_return_new_error (task,
CD_SENSOR_ERROR,
CD_SENSOR_ERROR_INTERNAL,
"%s", error->message);
return;
}
/* get serial */
serial = dtp94_device_get_serial (priv->device, &error);
if (serial == NULL) {
g_task_return_new_error (task,
CD_SENSOR_ERROR,
CD_SENSOR_ERROR_NO_DATA,
"%s", error->message);
return;
}
cd_sensor_set_serial (sensor, serial);
/* success */
g_task_return_boolean (task, TRUE);
}
void
cd_sensor_lock_async (CdSensor *sensor,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (CD_IS_SENSOR (sensor));
task = g_task_new (sensor, cancellable, callback, user_data);
g_task_run_in_thread (task, cd_sensor_dtp94_lock_thread_cb);
}
gboolean
cd_sensor_lock_finish (CdSensor *sensor, GAsyncResult *res, GError **error)
{
g_return_val_if_fail (g_task_is_valid (res, sensor), FALSE);
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
cd_sensor_unlock_thread_cb (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
CdSensor *sensor = CD_SENSOR (source_object);
CdSensorDtp94Private *priv = cd_sensor_dtp94_get_private (sensor);
g_autoptr(GError) error = NULL;
/* close */
if (priv->device != NULL) {
if (!g_usb_device_close (priv->device, &error)) {
g_task_return_new_error (task,
CD_SENSOR_ERROR,
CD_SENSOR_ERROR_INTERNAL,
"%s", error->message);
return;
}
g_clear_object (&priv->device);
}
/* success */
g_task_return_boolean (task, TRUE);
}
void
cd_sensor_unlock_async (CdSensor *sensor,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_return_if_fail (CD_IS_SENSOR (sensor));
task = g_task_new (sensor, cancellable, callback, user_data);
g_task_run_in_thread (task, cd_sensor_unlock_thread_cb);
}
gboolean
cd_sensor_unlock_finish (CdSensor *sensor, GAsyncResult *res, GError **error)
{
g_return_val_if_fail (g_task_is_valid (res, sensor), FALSE);
return g_task_propagate_boolean (G_TASK (res), error);
}
gboolean
cd_sensor_dump_device (CdSensor *sensor, GString *data, GError **error)
{
g_string_append_printf (data, "dtp94-dump-version:%i\n", 1);
return TRUE;
}
static void
cd_sensor_unref_private (CdSensorDtp94Private *priv)
{
if (priv->device != NULL)
g_object_unref (priv->device);
g_free (priv);
}
gboolean
cd_sensor_coldplug (CdSensor *sensor, GError **error)
{
CdSensorDtp94Private *priv;
guint64 caps = cd_bitfield_from_enums (CD_SENSOR_CAP_LCD,
CD_SENSOR_CAP_CRT, -1);
g_object_set (sensor,
"native", TRUE,
"kind", CD_SENSOR_KIND_DTP94,
"caps", caps,
NULL);
/* create private data */
priv = g_new0 (CdSensorDtp94Private, 1);
g_object_set_data_full (G_OBJECT (sensor), "priv", priv,
(GDestroyNotify) cd_sensor_unref_private);
return TRUE;
}
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