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/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test motion sense code.
*/
#include <math.h>
#include "common.h"
#include "motion_sense.h"
#include "task.h"
#include "test_util.h"
#include "timer.h"
/* Mock acceleration values for motion sense task to read in. */
int mock_x_acc[ACCEL_COUNT], mock_y_acc[ACCEL_COUNT], mock_z_acc[ACCEL_COUNT];
/*****************************************************************************/
/* Mock functions */
int accel_init(enum accel_id id)
{
return EC_SUCCESS;
}
int accel_read(enum accel_id id, int *x_acc, int *y_acc, int *z_acc)
{
/* Return the mock values. */
*x_acc = mock_x_acc[id];
*y_acc = mock_y_acc[id];
*z_acc = mock_z_acc[id];
return EC_SUCCESS;
}
/*****************************************************************************/
/* Test utilities */
static int test_lid_angle(void)
{
/*
* Set the base accelerometer as if it were sitting flat on a desk
* and set the lid to closed.
*/
mock_x_acc[ACCEL_BASE] = 0;
mock_y_acc[ACCEL_BASE] = 0;
mock_z_acc[ACCEL_BASE] = 1000;
mock_x_acc[ACCEL_LID] = 0;
mock_y_acc[ACCEL_LID] = 0;
mock_z_acc[ACCEL_LID] = 1000;
task_wake(TASK_ID_MOTIONSENSE);
msleep(5);
TEST_ASSERT(motion_get_lid_angle() == 0);
/* Set lid open to 90 degrees. */
mock_x_acc[ACCEL_LID] = -1000;
mock_y_acc[ACCEL_LID] = 0;
mock_z_acc[ACCEL_LID] = 0;
task_wake(TASK_ID_MOTIONSENSE);
msleep(5);
TEST_ASSERT(motion_get_lid_angle() == 90);
/* Set lid open to -135. */
mock_x_acc[ACCEL_LID] = 500;
mock_y_acc[ACCEL_LID] = 0;
mock_z_acc[ACCEL_LID] = -500;
task_wake(TASK_ID_MOTIONSENSE);
msleep(5);
TEST_ASSERT(motion_get_lid_angle() == -135);
/*
* Align base with hinge and make sure it returns 0 for angle. In this
* test it doesn't matter what the lid acceleration vector is.
*/
mock_x_acc[ACCEL_BASE] = 0;
mock_y_acc[ACCEL_BASE] = 1000;
mock_z_acc[ACCEL_BASE] = 0;
task_wake(TASK_ID_MOTIONSENSE);
msleep(5);
TEST_ASSERT(motion_get_lid_angle() == 0);
/*
* Use all three axes and set lid to negative base and make sure
* angle is 180.
*/
mock_x_acc[ACCEL_BASE] = 500;
mock_y_acc[ACCEL_BASE] = 400;
mock_z_acc[ACCEL_BASE] = 300;
mock_x_acc[ACCEL_LID] = -500;
mock_y_acc[ACCEL_LID] = -400;
mock_z_acc[ACCEL_LID] = -300;
task_wake(TASK_ID_MOTIONSENSE);
msleep(5);
TEST_ASSERT(motion_get_lid_angle() == 180);
return EC_SUCCESS;
}
void run_test(void)
{
test_reset();
RUN_TEST(test_lid_angle);
test_print_result();
}
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