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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/drivers/adc.h>
#include <zephyr/drivers/adc/adc_emul.h>
#include "charger.h"
#include "charge_state.h"
#include "charger_profile_override.h"
#include "common.h"
#include "config.h"
#include "hooks.h"
#include "util.h"
#include "temp_sensor.h"
#include "temp_sensor/temp_sensor.h"
#define ADC_DEVICE_NODE DT_NODELABEL(adc0)
#define CHARGER_TEMP TEMP_SENSOR_ID(DT_NODELABEL(temp_charger))
#define ORIGINAL_CURRENT 5000
#define TEMP_THRESHOLD 55
struct charge_state_data curr;
static int fake_voltage;
int count;
/* Limit charging current table : 3600/3000/2400/1800
* note this should be in descending order.
*/
static uint16_t current_table[] = {
3600,
3000,
2400,
1800,
};
int setup_faketemp(int fake_voltage)
{
const struct device *adc_dev = DEVICE_DT_GET(ADC_DEVICE_NODE);
int emul_temp;
emul_temp = adc_emul_const_value_set(
adc_dev, temp_sensors[CHARGER_TEMP].idx, fake_voltage);
return emul_temp;
}
static void ignore_first_minute(void)
{
for (int i = 0; i < 60; i++) {
hook_notify(HOOK_SECOND);
}
}
ZTEST(temp_tentacruel, test_decrease_current)
{
fake_voltage = 376;
curr.batt.flags |= BATT_FLAG_RESPONSIVE;
count = 0;
setup_faketemp(fake_voltage);
/* Calculate per minute temperature.
* It's expected low temperature when the first 60 seconds.
*/
ignore_first_minute();
for (int i = 1; i < 26; i++) {
hook_notify(HOOK_SECOND);
curr.requested_current = ORIGINAL_CURRENT;
charger_profile_override(&curr);
if (i % 6 == 0) {
zassert_equal(current_table[count],
curr.requested_current, NULL);
count++;
}
}
zassert_equal(count, 4, NULL);
}
ZTEST(temp_tentacruel, test_increase_current)
{
fake_voltage = 380;
curr.batt.flags |= BATT_FLAG_RESPONSIVE;
count = 3;
setup_faketemp(fake_voltage);
for (int i = 1; i < 26; i++) {
hook_notify(HOOK_SECOND);
curr.requested_current = ORIGINAL_CURRENT;
charger_profile_override(&curr);
if (i % 5 == 0) {
if (curr.requested_current == ORIGINAL_CURRENT) {
zassert_equal(ORIGINAL_CURRENT,
curr.requested_current, NULL);
} else {
zassert_equal(current_table[count],
curr.requested_current, NULL);
count--;
}
}
}
zassert_equal(count, -1, NULL);
}
ZTEST_SUITE(temp_tentacruel, NULL, NULL, NULL, NULL, NULL);
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