343 lines
8.5 KiB
C
343 lines
8.5 KiB
C
/* Copyright 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Test motion sense code.
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*/
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#include <math.h>
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#include <stdio.h>
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#include "accelgyro.h"
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#include "common.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "motion_lid.h"
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#include "motion_sense.h"
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#include "task.h"
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#include "test_util.h"
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#include "timer.h"
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#include "util.h"
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extern enum chipset_state_mask sensor_active;
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/*
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* Period in us for the motion task period.
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* The task will read the vectors at that interval
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*/
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#define TEST_LID_EC_RATE (10 * MSEC)
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/*
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* Time in ms to wait for the task to read the vectors.
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*/
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#define TEST_LID_SLEEP_RATE (TEST_LID_EC_RATE / 5)
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#define ONE_G_MEASURED (1 << 14)
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/*****************************************************************************/
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/* Mock functions */
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static int accel_init(const struct motion_sensor_t *s)
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{
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return EC_SUCCESS;
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}
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static int accel_read(const struct motion_sensor_t *s, intv3_t v)
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{
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rotate(s->xyz, *s->rot_standard_ref, v);
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return EC_SUCCESS;
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}
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static int accel_set_range(const struct motion_sensor_t *s,
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const int range,
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const int rnd)
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{
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return EC_SUCCESS;
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}
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static int accel_get_range(const struct motion_sensor_t *s)
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{
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return s->default_range;
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}
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static int accel_get_resolution(const struct motion_sensor_t *s)
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{
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return 0;
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}
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int test_data_rate[2] = { 0 };
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static int accel_set_data_rate(const struct motion_sensor_t *s,
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const int rate,
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const int rnd)
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{
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test_data_rate[s - motion_sensors] = rate;
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return EC_SUCCESS;
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}
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static int accel_get_data_rate(const struct motion_sensor_t *s)
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{
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return test_data_rate[s - motion_sensors];
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}
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const struct accelgyro_drv test_motion_sense = {
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.init = accel_init,
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.read = accel_read,
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.set_range = accel_set_range,
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.get_range = accel_get_range,
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.get_resolution = accel_get_resolution,
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.set_data_rate = accel_set_data_rate,
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.get_data_rate = accel_get_data_rate,
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};
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struct motion_sensor_t motion_sensors[] = {
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[BASE] = {
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.name = "base",
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.active_mask = SENSOR_ACTIVE_S0_S3_S5,
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.chip = MOTIONSENSE_CHIP_LSM6DS0,
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.type = MOTIONSENSE_TYPE_ACCEL,
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.location = MOTIONSENSE_LOC_BASE,
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.drv = &test_motion_sense,
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.rot_standard_ref = NULL,
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.default_range = MOTION_SCALING_FACTOR / ONE_G_MEASURED,
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.config = {
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/* AP: by default shutdown all sensors */
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[SENSOR_CONFIG_AP] = {
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.odr = 0,
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.ec_rate = 0,
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},
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/* EC use accel for angle detection */
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[SENSOR_CONFIG_EC_S0] = {
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.odr = 119000 | ROUND_UP_FLAG,
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.ec_rate = TEST_LID_EC_RATE
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},
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/* Used for double tap */
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[SENSOR_CONFIG_EC_S3] = {
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.odr = 119000 | ROUND_UP_FLAG,
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.ec_rate = TEST_LID_EC_RATE * 100,
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},
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[SENSOR_CONFIG_EC_S5] = {
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.odr = 0,
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.ec_rate = 0,
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},
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},
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},
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[LID] = {
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.name = "lid",
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.active_mask = SENSOR_ACTIVE_S0,
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.chip = MOTIONSENSE_CHIP_KXCJ9,
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.type = MOTIONSENSE_TYPE_ACCEL,
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.location = MOTIONSENSE_LOC_LID,
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.drv = &test_motion_sense,
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.rot_standard_ref = NULL,
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.default_range = MOTION_SCALING_FACTOR / ONE_G_MEASURED,
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.config = {
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/* AP: by default shutdown all sensors */
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[SENSOR_CONFIG_AP] = {
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.odr = 0,
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.ec_rate = 0,
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},
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/* EC use accel for angle detection */
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[SENSOR_CONFIG_EC_S0] = {
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.odr = 119000 | ROUND_UP_FLAG,
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.ec_rate = TEST_LID_EC_RATE,
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},
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/* Used for double tap */
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[SENSOR_CONFIG_EC_S3] = {
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.odr = 200000 | ROUND_UP_FLAG,
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.ec_rate = TEST_LID_EC_RATE * 100,
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},
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[SENSOR_CONFIG_EC_S5] = {
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.odr = 0,
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.ec_rate = 0,
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},
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},
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},
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};
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const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
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/*****************************************************************************/
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/* Test utilities */
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static void wait_for_valid_sample(void)
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{
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uint8_t sample;
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uint8_t *lpc_status = host_get_memmap(EC_MEMMAP_ACC_STATUS);
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sample = *lpc_status & EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK;
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usleep(TEST_LID_EC_RATE);
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task_wake(TASK_ID_MOTIONSENSE);
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while ((*lpc_status & EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK) == sample)
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usleep(TEST_LID_SLEEP_RATE);
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}
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static int test_lid_angle(void)
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{
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struct motion_sensor_t *base = &motion_sensors[
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CONFIG_LID_ANGLE_SENSOR_BASE];
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struct motion_sensor_t *lid = &motion_sensors[
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CONFIG_LID_ANGLE_SENSOR_LID];
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int lid_angle;
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/* We don't have TASK_CHIP so simulate init ourselves */
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hook_notify(HOOK_CHIPSET_SHUTDOWN);
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TEST_ASSERT(sensor_active == SENSOR_ACTIVE_S5);
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TEST_ASSERT(accel_get_data_rate(lid) == 0);
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/* Go to S0 state */
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hook_notify(HOOK_CHIPSET_SUSPEND);
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hook_notify(HOOK_CHIPSET_RESUME);
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msleep(1000);
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TEST_ASSERT(sensor_active == SENSOR_ACTIVE_S0);
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TEST_ASSERT(accel_get_data_rate(lid) == 119000);
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/*
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* Set the base accelerometer as if it were sitting flat on a desk
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* and set the lid to closed.
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*/
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base->xyz[X] = 0;
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base->xyz[Y] = 0;
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base->xyz[Z] = ONE_G_MEASURED;
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lid->xyz[X] = 0;
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lid->xyz[Y] = 0;
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lid->xyz[Z] = -ONE_G_MEASURED;
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gpio_set_level(GPIO_LID_OPEN, 0);
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/* Initial wake up, like init does */
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task_wake(TASK_ID_MOTIONSENSE);
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/* wait for the EC sampling period to expire */
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msleep(TEST_LID_EC_RATE);
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task_wake(TASK_ID_MOTIONSENSE);
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wait_for_valid_sample();
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lid_angle = motion_lid_get_angle();
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cprints(CC_ACCEL, "LID(%d, %d, %d)/BASE(%d, %d, %d): %d",
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lid->xyz[X], lid->xyz[Y], lid->xyz[Z],
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base->xyz[X], base->xyz[Y], base->xyz[Z],
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lid_angle);
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TEST_ASSERT(lid_angle == 0);
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/* Set lid open to 90 degrees. */
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lid->xyz[X] = 0;
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lid->xyz[Y] = ONE_G_MEASURED;
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lid->xyz[Z] = 0;
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gpio_set_level(GPIO_LID_OPEN, 1);
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msleep(100);
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 90);
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/* Set lid open to 225. */
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lid->xyz[X] = 0;
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lid->xyz[Y] = -1 * ONE_G_MEASURED * 0.707106;
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lid->xyz[Z] = ONE_G_MEASURED * 0.707106;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 225);
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/* Set lid open to 350 */
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lid->xyz[X] = 0;
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lid->xyz[Y] = -1 * ONE_G_MEASURED * 0.1736;
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lid->xyz[Z] = -1 * ONE_G_MEASURED * 0.9848;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 350);
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/*
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* Set lid open to 10. Since the lid switch still indicates that it's
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* open, we should be getting an unreliable reading.
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*/
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lid->xyz[X] = 0;
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lid->xyz[Y] = ONE_G_MEASURED * 0.1736;
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lid->xyz[Z] = -1 * ONE_G_MEASURED * 0.9848;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == LID_ANGLE_UNRELIABLE);
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/* Rotate back to 180 and then 10 */
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lid->xyz[X] = 0;
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lid->xyz[Y] = 0;
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lid->xyz[Z] = ONE_G_MEASURED;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 180);
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/*
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* Again, since the lid isn't closed, the angle should be unreliable.
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* See SMALL_LID_ANGLE_RANGE.
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*/
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lid->xyz[X] = 0;
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lid->xyz[Y] = ONE_G_MEASURED * 0.1736;
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lid->xyz[Z] = -1 * ONE_G_MEASURED * 0.9848;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == LID_ANGLE_UNRELIABLE);
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/*
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* Align base with hinge and make sure it returns unreliable for angle.
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* In this test it doesn't matter what the lid acceleration vector is.
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*/
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base->xyz[X] = ONE_G_MEASURED;
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base->xyz[Y] = 0;
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base->xyz[Z] = 0;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == LID_ANGLE_UNRELIABLE);
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/*
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* Use all three axes and set lid to negative base and make sure
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* angle is 180.
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*/
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base->xyz[X] = 5296;
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base->xyz[Y] = 7856;
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base->xyz[Z] = 13712;
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lid->xyz[X] = 5296;
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lid->xyz[Y] = 7856;
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lid->xyz[Z] = 13712;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 180);
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/*
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* Close the lid and set the angle to 0.
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*/
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base->xyz[X] = 0;
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base->xyz[Y] = 0;
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base->xyz[Z] = ONE_G_MEASURED;
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lid->xyz[X] = 0;
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lid->xyz[Y] = 0;
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lid->xyz[Z] = -1 * ONE_G_MEASURED;
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gpio_set_level(GPIO_LID_OPEN, 0);
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msleep(100);
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 0);
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/*
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* Make the angle large, but since the lid is closed, the angle should
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* be regarded as unreliable.
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*/
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lid->xyz[X] = 0;
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lid->xyz[Y] = -1 * ONE_G_MEASURED * 0.1736;
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lid->xyz[Z] = -1 * ONE_G_MEASURED * 0.9848;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == LID_ANGLE_UNRELIABLE);
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/*
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* Open the lid to 350, and then close the lid and set the angle
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* to 10. The reading of small angle shouldn't be corrected.
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*/
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gpio_set_level(GPIO_LID_OPEN, 1);
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msleep(100);
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gpio_set_level(GPIO_LID_OPEN, 0);
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msleep(100);
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lid->xyz[X] = 0;
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lid->xyz[Y] = ONE_G_MEASURED * 0.1736;
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lid->xyz[Z] = -1 * ONE_G_MEASURED * 0.9848;
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wait_for_valid_sample();
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TEST_ASSERT(motion_lid_get_angle() == 10);
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return EC_SUCCESS;
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}
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void run_test(void)
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{
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test_reset();
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RUN_TEST(test_lid_angle);
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test_print_result();
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}
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