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/*
* libssc: Library to expose Qualcomm Sensor Core sensors
* Copyright (C) 2022-2026 Dylan Van Assche
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <glib.h>
#include <locale.h>
#include "libssc-client-private.h"
#include "libssc-sensor.h"
#include "libssc-sensor-magnetometer.h"
#define TIMEOUT 2
typedef struct {
SSCSensor *sensor;
GArray *measurements;
GMainLoop *loop;
} SensorData;
typedef struct {
gfloat x;
gfloat y;
gfloat z;
} XYZMeasurement;
static gboolean
magnetometer_close_cb (SensorData *data)
{
SSCSensorMagnetometer *self = SSC_SENSOR_MAGNETOMETER (data->sensor);
GArray *measurements = data->measurements;
GMainLoop *loop = data->loop;
g_autoptr (GError) error = NULL;
/* Close sensor */
g_assert_true (ssc_sensor_magnetometer_close_sync (self, NULL, &error));
/* Check measurements */
g_assert_cmpint (measurements->len, >=, 8);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 0).x, 0.1, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 0).y, 0.2, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 0).z, 0.3, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 1).x, 0.3, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 1).y, 0.2, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 1).z, 0.1, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 2).x, 0.3, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 2).y, 0.2, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 2).z, 0.1, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 3).x, 0.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 3).y, 0.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 3).z, 0.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 4).x, 0.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 4).y, 0.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 4).z, 0.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 5).x, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 5).y, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 5).z, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 6).x, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 6).y, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 6).z, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 7).x, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 7).y, 1.0, 0.01);
g_assert_cmpfloat_with_epsilon (g_array_index (measurements, XYZMeasurement, 7).z, 1.0, 0.01);
g_main_loop_quit (loop);
return G_SOURCE_REMOVE;
}
static void
magnetometer_measurement (SSCSensorMagnetometer *sensor, gfloat magn_x, gfloat magn_y, gfloat magn_z, gpointer user_data)
{
GArray *measurements = user_data;
XYZMeasurement measurement;
g_test_message("Magnetic field: X%f Y%f Z%f", magn_x, magn_y, magn_z);
measurement.x = magn_x;
measurement.y = magn_y;
measurement.z = magn_z;
/* Collect measurement */
g_array_append_val (measurements, measurement);
}
static void
test_libssc_sensor_magnetometer(void)
{
g_autoptr (GError) error = NULL;
GArray *measurements = g_array_new (FALSE, FALSE, sizeof (XYZMeasurement));
GMainLoop *loop = g_main_loop_new (NULL, FALSE);
SensorData data;
/* Test information */
g_test_summary ("Test `magnetometer sensor operations`");
/* Create sensor */
SSCSensorMagnetometer *sensor = ssc_sensor_magnetometer_new_sync (NULL, &error);
/* Connect measurement signal */
g_signal_connect (sensor, "measurement", G_CALLBACK (magnetometer_measurement), measurements);
data.sensor = SSC_SENSOR (sensor);
data.measurements = measurements;
data.loop = loop;
g_timeout_add_seconds (TIMEOUT, (GSourceFunc)magnetometer_close_cb, &data);
/* Open sensor */
g_assert_true (ssc_sensor_magnetometer_open_sync (sensor, NULL, &error));
/* Run main loop to process signals and timers */
g_main_loop_run (loop);
}
static void
test_libssc_sensor_magnetometer_probe_sync (void)
{
g_autoptr (GError) error = NULL;
/* Test information */
g_test_summary ("Test `probing magnetometer sensor with open_sync and close_sync`");
/* Create sensor */
SSCSensorMagnetometer *sensor = ssc_sensor_magnetometer_new_sync (NULL, &error);
/* Open sensor */
g_assert_true (ssc_sensor_magnetometer_open_sync (sensor, NULL, &error));
/* Close sensor */
g_assert_true (ssc_sensor_magnetometer_close_sync (sensor, NULL, &error));
}
int main (int argc, char *argv[])
{
GLogLevelFlags mask;
setlocale (LC_ALL, "");
/* Initialize test framework */
g_test_init (&argc, &argv, NULL);
/* Allow warnings */
mask = (GLogLevelFlags) g_log_set_always_fatal ((GLogLevelFlags) G_LOG_FATAL_MASK);
mask = (GLogLevelFlags) (mask & (~G_LOG_LEVEL_WARNING));
g_log_set_always_fatal ((GLogLevelFlags) mask);
/* Tests */
g_test_add_func("/libssc/sensor/magnetometer/measurements", test_libssc_sensor_magnetometer);
g_test_add_func("/libssc/sensor/magnetometer/probe-sync", test_libssc_sensor_magnetometer_probe_sync);
/* Execute tests */
return g_test_run();
}
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