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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 <ztest.h>
#include <drivers/emul.h>
#include "battery.h"
#include "charger_utils.h"
#include "driver/charger/isl923x_public.h"
#include "emul/emul_isl923x.h"
BUILD_ASSERT(CONFIG_CHARGER_SENSE_RESISTOR == 10 ||
CONFIG_CHARGER_SENSE_RESISTOR == 5);
#if CONFIG_CHARGER_SENSE_RESISTOR == 10
#define EXPECTED_CURRENT_MA(n) (n)
#else
#define EXPECTED_CURRENT_MA(n) (n * 2)
#endif
#define CHARGER_NUM get_charger_num(&isl923x_drv)
void test_isl923x_set_current(void)
{
int expected_current_milli_amps[] = {
EXPECTED_CURRENT_MA(0), EXPECTED_CURRENT_MA(4),
EXPECTED_CURRENT_MA(8), EXPECTED_CURRENT_MA(16),
EXPECTED_CURRENT_MA(32), EXPECTED_CURRENT_MA(64),
EXPECTED_CURRENT_MA(128), EXPECTED_CURRENT_MA(256),
EXPECTED_CURRENT_MA(512), EXPECTED_CURRENT_MA(1024),
EXPECTED_CURRENT_MA(2048), EXPECTED_CURRENT_MA(4096)
};
int current_mA;
for (int i = 0; i < ARRAY_SIZE(expected_current_milli_amps); ++i) {
zassert_ok(isl923x_drv.set_current(
CHARGER_NUM, expected_current_milli_amps[i]),
"Failed to set the current to %dmA",
expected_current_milli_amps[i]);
zassert_ok(isl923x_drv.get_current(CHARGER_NUM, ¤t_mA),
"Failed to get current");
zassert_equal(expected_current_milli_amps[i], current_mA,
"Expected current %dmA but got %dmA",
expected_current_milli_amps[i], current_mA);
}
}
void test_isl923x_set_voltage(void)
{
int expected_voltage_milli_volts[] = { 8, 16, 32, 64,
128, 256, 512, 1024,
2048, 4096, 8192, 16384 };
int voltage_milli_volts;
/* Test 0mV first, it's a special case because of voltage_min */
zassert_ok(isl923x_drv.set_voltage(CHARGER_NUM, 0),
"Failed to set the voltage to 0mV");
zassert_ok(isl923x_drv.get_voltage(CHARGER_NUM, &voltage_milli_volts),
"Failed to get voltage");
zassert_equal(battery_get_info()->voltage_min, voltage_milli_volts,
"Expected voltage %dmV but got %dmV",
battery_get_info()->voltage_min, voltage_milli_volts);
for (int i = 0; i < ARRAY_SIZE(expected_voltage_milli_volts); ++i) {
zassert_ok(isl923x_drv.set_voltage(
CHARGER_NUM,
expected_voltage_milli_volts[i]),
"Failed to set the voltage to %dmV",
expected_voltage_milli_volts[i]);
zassert_ok(isl923x_drv.get_voltage(CHARGER_NUM,
&voltage_milli_volts),
"Failed to get voltage");
zassert_equal(expected_voltage_milli_volts[i],
voltage_milli_volts,
"Expected voltage %dmV but got %dmV",
expected_voltage_milli_volts[i],
voltage_milli_volts);
}
}
void test_suite_isl923x(void)
{
ztest_test_suite(isl923x,
ztest_unit_test(test_isl923x_set_current),
ztest_unit_test(test_isl923x_set_voltage));
ztest_run_test_suite(isl923x);
}
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