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/* Copyright 2021 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.
*/
#include <zephyr.h>
#include <ztest.h>
#include "common.h"
#include "i2c.h"
#include "emul/emul_common_i2c.h"
#include "emul/emul_smart_battery.h"
#include "battery.h"
#include "battery_smart.h"
#define BATTERY_ORD DT_DEP_ORD(DT_NODELABEL(battery))
/** Test all simple getters */
static void test_battery_getters(void)
{
struct sbat_emul_bat_data *bat;
struct i2c_emul *emul;
char block[32];
int expected;
int word;
emul = sbat_emul_get_ptr(BATTERY_ORD);
bat = sbat_emul_get_bat_data(emul);
zassert_equal(EC_SUCCESS, battery_get_mode(&word), NULL);
zassert_equal(bat->mode, word, "%d != %d", bat->mode, word);
expected = 100 * bat->cap / bat->design_cap;
zassert_equal(EC_SUCCESS, battery_state_of_charge_abs(&word), NULL);
zassert_equal(expected, word, "%d != %d", expected, word);
zassert_equal(EC_SUCCESS, battery_remaining_capacity(&word), NULL);
zassert_equal(bat->cap, word, "%d != %d", bat->cap, word);
zassert_equal(EC_SUCCESS, battery_full_charge_capacity(&word), NULL);
zassert_equal(bat->full_cap, word, "%d != %d", bat->full_cap, word);
zassert_equal(EC_SUCCESS, battery_cycle_count(&word), NULL);
zassert_equal(bat->cycle_count, word, "%d != %d",
bat->cycle_count, word);
zassert_equal(EC_SUCCESS, battery_design_capacity(&word), NULL);
zassert_equal(bat->design_cap, word, "%d != %d", bat->design_cap, word);
zassert_equal(EC_SUCCESS, battery_design_voltage(&word), NULL);
zassert_equal(bat->design_mv, word, "%d != %d", bat->design_mv, word);
zassert_equal(EC_SUCCESS, battery_serial_number(&word), NULL);
zassert_equal(bat->sn, word, "%d != %d", bat->sn, word);
zassert_equal(EC_SUCCESS, get_battery_manufacturer_name(block, 32),
NULL);
zassert_mem_equal(block, bat->mf_name, bat->mf_name_len,
"%s != %s", block, bat->mf_name);
zassert_equal(EC_SUCCESS, battery_device_name(block, 32), NULL);
zassert_mem_equal(block, bat->dev_name, bat->dev_name_len,
"%s != %s", block, bat->dev_name);
zassert_equal(EC_SUCCESS, battery_device_chemistry(block, 32), NULL);
zassert_mem_equal(block, bat->dev_chem, bat->dev_chem_len,
"%s != %s", block, bat->dev_chem);
word = battery_get_avg_current();
zassert_equal(bat->avg_cur, word, "%d != %d", bat->avg_cur, word);
bat->avg_cur = 200;
expected = (bat->full_cap - bat->cap) * 60 / bat->avg_cur;
zassert_equal(EC_SUCCESS, battery_time_to_full(&word), NULL);
zassert_equal(expected, word, "%d != %d", expected, word);
bat->cur = -200;
expected = bat->cap * 60 / (-bat->cur);
zassert_equal(EC_SUCCESS, battery_run_time_to_empty(&word), NULL);
zassert_equal(expected, word, "%d != %d", expected, word);
bat->avg_cur = -200;
expected = bat->cap * 60 / (-bat->avg_cur);
zassert_equal(EC_SUCCESS, battery_time_to_empty(&word), NULL);
zassert_equal(expected, word, "%d != %d", expected, word);
}
/** Test battery status */
static void test_battery_status(void)
{
struct sbat_emul_bat_data *bat;
struct i2c_emul *emul;
int expected;
int status;
emul = sbat_emul_get_ptr(BATTERY_ORD);
bat = sbat_emul_get_bat_data(emul);
bat->status = 0;
bat->cur = -200;
bat->cap_alarm = 0;
bat->time_alarm = 0;
bat->cap = bat->full_cap / 2;
bat->error_code = STATUS_CODE_OVERUNDERFLOW;
expected = 0;
expected |= STATUS_DISCHARGING;
expected |= STATUS_CODE_OVERUNDERFLOW;
zassert_equal(EC_SUCCESS, battery_status(&status), NULL);
zassert_equal(expected, status, "%d != %d", expected, status);
}
/** Test wait for stable function */
static void test_battery_wait_for_stable(void)
{
struct i2c_emul *emul;
emul = sbat_emul_get_ptr(BATTERY_ORD);
/* Should fail when read function always fail */
i2c_common_emul_set_read_fail_reg(emul, I2C_COMMON_EMUL_FAIL_ALL_REG);
zassert_equal(EC_ERROR_NOT_POWERED, battery_wait_for_stable(), NULL);
/* Should be ok with default handler */
i2c_common_emul_set_read_fail_reg(emul, I2C_COMMON_EMUL_NO_FAIL_REG);
zassert_equal(EC_SUCCESS, battery_wait_for_stable(), NULL);
}
/** Test manufacture date */
static void test_battery_manufacture_date(void)
{
struct sbat_emul_bat_data *bat;
struct i2c_emul *emul;
int day, month, year;
int exp_month = 5;
int exp_year = 2018;
int exp_day = 19;
uint16_t date;
emul = sbat_emul_get_ptr(BATTERY_ORD);
bat = sbat_emul_get_bat_data(emul);
date = sbat_emul_date_to_word(exp_day, exp_month, exp_year);
bat->mf_date = date;
zassert_equal(EC_SUCCESS, battery_manufacture_date(&year, &month, &day),
NULL);
zassert_equal(exp_day, day, "%d != %d", exp_day, day);
zassert_equal(exp_month, month, "%d != %d", exp_month, month);
zassert_equal(exp_year, year, "%d != %d", exp_year, year);
}
/** Test time at rate */
static void test_battery_time_at_rate(void)
{
struct sbat_emul_bat_data *bat;
struct i2c_emul *emul;
int expect_time;
int minutes;
int rate;
emul = sbat_emul_get_ptr(BATTERY_ORD);
bat = sbat_emul_get_bat_data(emul);
/* 3000mAh at rate 300mA will be discharged in 10h */
bat->cap = 3000;
rate = -300;
expect_time = 600;
zassert_equal(EC_SUCCESS, battery_time_at_rate(rate, &minutes), NULL);
zassert_equal(expect_time, minutes, "%d != %d", expect_time, minutes);
/* 1000mAh at rate 1000mA will be charged in 1h */
bat->cap = bat->full_cap - 1000;
rate = 1000;
/* battery_time_at_rate report time to full as negative number */
expect_time = -60;
zassert_equal(EC_SUCCESS, battery_time_at_rate(rate, &minutes), NULL);
zassert_equal(expect_time, minutes, "%d != %d", expect_time, minutes);
}
/** Test battery get params */
static void test_battery_get_params(void)
{
struct sbat_emul_bat_data *bat;
struct batt_params batt;
struct i2c_emul *emul;
int flags;
emul = sbat_emul_get_ptr(BATTERY_ORD);
bat = sbat_emul_get_bat_data(emul);
/* Battery wants to charge */
bat->desired_charg_cur = 1000;
bat->desired_charg_volt = 5000;
/* Fail temperature read */
i2c_common_emul_set_read_fail_reg(emul, SB_TEMPERATURE);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_TEMPERATURE;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail state of charge read; want charge cannot be set */
i2c_common_emul_set_read_fail_reg(emul, SB_RELATIVE_STATE_OF_CHARGE);
flags = BATT_FLAG_RESPONSIVE | BATT_FLAG_BAD_STATE_OF_CHARGE;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail voltage read */
i2c_common_emul_set_read_fail_reg(emul, SB_VOLTAGE);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_VOLTAGE;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail current read */
i2c_common_emul_set_read_fail_reg(emul, SB_CURRENT);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_CURRENT;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail average current read */
i2c_common_emul_set_read_fail_reg(emul, SB_AVERAGE_CURRENT);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_AVERAGE_CURRENT;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail charging voltage read; want charge cannot be set */
i2c_common_emul_set_read_fail_reg(emul, SB_CHARGING_VOLTAGE);
flags = BATT_FLAG_RESPONSIVE | BATT_FLAG_BAD_DESIRED_VOLTAGE;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail charging voltage read; want charge cannot be set */
i2c_common_emul_set_read_fail_reg(emul, SB_CHARGING_CURRENT);
flags = BATT_FLAG_RESPONSIVE | BATT_FLAG_BAD_DESIRED_CURRENT;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail remaining capacity read */
i2c_common_emul_set_read_fail_reg(emul, SB_REMAINING_CAPACITY);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_REMAINING_CAPACITY;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail full capacity read */
i2c_common_emul_set_read_fail_reg(emul, SB_FULL_CHARGE_CAPACITY);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_FULL_CAPACITY;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail status read */
i2c_common_emul_set_read_fail_reg(emul, SB_BATTERY_STATUS);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE |
BATT_FLAG_BAD_STATUS;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Fail all */
i2c_common_emul_set_read_fail_reg(emul, I2C_COMMON_EMUL_FAIL_ALL_REG);
flags = BATT_FLAG_BAD_ANY;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
/* Use default handler, everything should be ok */
i2c_common_emul_set_read_fail_reg(emul, I2C_COMMON_EMUL_NO_FAIL_REG);
flags = BATT_FLAG_WANT_CHARGE | BATT_FLAG_RESPONSIVE;
battery_get_params(&batt);
zassert_equal(flags, batt.flags, "0x%x != 0x%x", flags, batt.flags);
}
void test_suite_smart_battery(void)
{
ztest_test_suite(smart_battery,
ztest_user_unit_test(test_battery_getters),
ztest_user_unit_test(test_battery_status),
ztest_user_unit_test(test_battery_wait_for_stable),
ztest_user_unit_test(test_battery_manufacture_date),
ztest_user_unit_test(test_battery_time_at_rate),
ztest_user_unit_test(test_battery_get_params));
ztest_run_test_suite(smart_battery);
}
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