mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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286 lines
12 KiB
C++
286 lines
12 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "boot_battery_driver.hpp"
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#include "boot_battery_icons.hpp"
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#include "boot_boot_reason.hpp"
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#include "boot_calibration.hpp"
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#include "boot_charger_driver.hpp"
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#include "boot_check_battery.hpp"
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#include "boot_pmic_driver.hpp"
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#include "boot_power_utils.hpp"
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namespace ams::boot {
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namespace {
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/* Types. */
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enum class CheckBatteryResult {
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Success,
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Shutdown,
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Reboot,
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};
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struct BatteryChargeParameters {
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u32 temp_min;
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u32 temp_low;
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u32 temp_high;
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u32 temp_max;
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u32 allow_high_temp_charge_max_voltage;
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u32 charge_voltage_limit_default;
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u32 charge_voltage_limit_high_temp;
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u32 allow_fast_charge_min_temp;
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u32 allow_fast_charge_min_voltage;
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u32 fast_charge_current_limit_default;
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u32 fast_charge_current_limit_low_temp;
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u32 fast_charge_current_limit_low_voltage;
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};
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/* Battery parameters. */
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constexpr BatteryChargeParameters BatteryChargeParameters0 = {
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.temp_min = 4,
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.temp_low = 17,
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.temp_high = 51,
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.temp_max = 60,
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.allow_high_temp_charge_max_voltage = 4050,
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.charge_voltage_limit_default = 4208,
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.charge_voltage_limit_high_temp = 3952,
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.allow_fast_charge_min_voltage = 3320,
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.fast_charge_current_limit_default = 0x800,
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.fast_charge_current_limit_low_temp = 0x300,
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.fast_charge_current_limit_low_voltage = 0x200,
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};
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constexpr BatteryChargeParameters BatteryChargeParameters1 = {
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.temp_min = 4,
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.temp_low = 17,
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.temp_high = 51,
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.temp_max = 59,
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.allow_high_temp_charge_max_voltage = 3984,
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.charge_voltage_limit_default = 4208,
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.charge_voltage_limit_high_temp = 3984,
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.allow_fast_charge_min_voltage = 0,
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.fast_charge_current_limit_default = 0x600,
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.fast_charge_current_limit_low_temp = 0x240,
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.fast_charge_current_limit_low_voltage = 0x600,
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};
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constexpr BatteryChargeParameters BatteryChargeParameters2 = {
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.temp_min = 4,
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.temp_low = 17,
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.temp_high = 51,
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.temp_max = 59,
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.allow_high_temp_charge_max_voltage = 4080,
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.charge_voltage_limit_default = 4320,
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.charge_voltage_limit_high_temp = 4080,
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.allow_fast_charge_min_voltage = 0,
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.fast_charge_current_limit_default = 0x680,
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.fast_charge_current_limit_low_temp = 0x280,
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.fast_charge_current_limit_low_voltage = 0x680,
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};
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constexpr const BatteryChargeParameters *GetBatteryChargeParameters(u32 battery_version) {
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switch (battery_version) {
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case 0:
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return &BatteryChargeParameters0;
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case 1:
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return &BatteryChargeParameters1;
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case 2:
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return &BatteryChargeParameters2;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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/* Helpers. */
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void UpdateCharger(PmicDriver *pmic_driver, ChargerDriver *charger_driver, BatteryDriver *battery_driver, const BatteryChargeParameters *params, u32 charge_voltage_limit) {
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double temperature;
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u32 battery_voltage;
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if (R_FAILED(battery_driver->GetTemperature(&temperature)) || R_FAILED(battery_driver->GetAverageVCell(&battery_voltage))) {
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pmic_driver->ShutdownSystem();
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}
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bool enable_charge = true;
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if (temperature < double(params->temp_min)) {
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enable_charge = false;
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} else if (double(params->temp_high) <= temperature && temperature < double(params->temp_max)) {
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if (battery_voltage < params->allow_high_temp_charge_max_voltage) {
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charge_voltage_limit = std::min(charge_voltage_limit, params->charge_voltage_limit_high_temp);
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} else {
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enable_charge = false;
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}
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} else if (double(params->temp_max) <= temperature) {
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enable_charge = false;
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if (battery_voltage < params->allow_high_temp_charge_max_voltage) {
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charge_voltage_limit = std::min(charge_voltage_limit, params->charge_voltage_limit_high_temp);
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}
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}
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u32 fast_charge_current_limit = params->fast_charge_current_limit_default;
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if (temperature < double(params->temp_low)) {
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fast_charge_current_limit = std::min(fast_charge_current_limit, params->fast_charge_current_limit_low_temp);
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}
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if (battery_voltage < params->allow_fast_charge_min_voltage) {
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fast_charge_current_limit = std::min(fast_charge_current_limit, params->fast_charge_current_limit_low_voltage);
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}
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if (R_FAILED(charger_driver->SetChargeEnabled(enable_charge))) {
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pmic_driver->ShutdownSystem();
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}
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if (R_FAILED(charger_driver->SetChargeVoltageLimit(charge_voltage_limit))) {
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pmic_driver->ShutdownSystem();
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}
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if (R_FAILED(charger_driver->SetFastChargeCurrentLimit(fast_charge_current_limit))) {
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pmic_driver->ShutdownSystem();
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}
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}
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bool IsSufficientBattery(u32 battery_voltage, bool ac_ok) {
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/* Nintendo has stuff for updating a static variable every 10 seconds here, but this seems, again, to be debug leftovers. */
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const u32 required_voltage = ac_ok ? 4000 : 3650;
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return battery_voltage >= required_voltage;
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}
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CheckBatteryResult LoopCheckBattery(PmicDriver *pmic_driver, ChargerDriver *charger_driver, BatteryDriver *battery_driver, const BatteryChargeParameters *params, u32 charge_voltage_limit, bool reboot_on_power_button_pressed, bool succeed_on_sufficient_battery, bool shutdown_on_full_battery, bool can_show_battery_icon, bool can_show_charging_icon) {
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bool is_showing_charging_icon = false;
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ON_SCOPE_EXIT {
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if (is_showing_charging_icon) {
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EndShowChargingIcon();
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}
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};
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if (can_show_charging_icon) {
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size_t battery_percentage;
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if (R_FAILED(battery_driver->GetBatteryPercentage(&battery_percentage))) {
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return CheckBatteryResult::Shutdown;
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}
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StartShowChargingIcon(battery_percentage, true);
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is_showing_charging_icon = true;
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}
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while (true) {
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double battery_charge;
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if (R_FAILED(battery_driver->GetSocRep(&battery_charge))) {
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return CheckBatteryResult::Shutdown;
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}
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if (succeed_on_sufficient_battery && battery_charge >= 3.0) {
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return CheckBatteryResult::Success;
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} else if (shutdown_on_full_battery && battery_charge >= 99.0) {
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return CheckBatteryResult::Shutdown;
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} else {
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/* Nintendo has logic for checking a value every 10 seconds. */
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/* They never do anything with this value though, so it's probably just leftovers from debug? */
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}
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bool ac_ok;
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if (R_FAILED(pmic_driver->GetAcOk(&ac_ok))) {
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return CheckBatteryResult::Shutdown;
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}
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u32 battery_voltage;
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if (R_FAILED(battery_driver->GetAverageVCell(&battery_voltage))) {
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return CheckBatteryResult::Shutdown;
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}
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if (succeed_on_sufficient_battery && IsSufficientBattery(battery_voltage, ac_ok)) {
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return CheckBatteryResult::Success;
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}
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if (!ac_ok) {
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if (can_show_battery_icon && !is_showing_charging_icon) {
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ShowLowBatteryIcon();
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}
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return CheckBatteryResult::Shutdown;
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}
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if (reboot_on_power_button_pressed) {
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bool power_button_pressed;
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if (R_FAILED(pmic_driver->GetPowerButtonPressed(&power_button_pressed))) {
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return CheckBatteryResult::Shutdown;
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}
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if (power_button_pressed) {
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return CheckBatteryResult::Reboot;
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}
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}
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if (can_show_battery_icon && !is_showing_charging_icon) {
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StartShowChargingIcon(1, false);
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is_showing_charging_icon = true;
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}
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svcSleepThread(20'000'000ul);
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UpdateCharger(pmic_driver, charger_driver, battery_driver, params, charge_voltage_limit);
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}
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}
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}
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void CheckBatteryCharge() {
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PmicDriver pmic_driver;
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BatteryDriver battery_driver;
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ChargerDriver charger_driver;
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if (R_FAILED(battery_driver.InitializeBatteryParameters())) {
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pmic_driver.ShutdownSystem();
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}
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{
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bool removed;
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if (R_FAILED(battery_driver.IsBatteryRemoved(&removed)) || removed) {
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pmic_driver.ShutdownSystem();
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}
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}
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const u32 boot_reason = GetBootReason();
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bq24193::InputCurrentLimit input_current_limit;
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if (R_FAILED(charger_driver.Initialize(boot_reason != 4)) || R_FAILED(charger_driver.GetInputCurrentLimit(&input_current_limit))) {
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pmic_driver.ShutdownSystem();
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}
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if (input_current_limit <= bq24193::InputCurrentLimit_150mA) {
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charger_driver.SetChargerConfiguration(bq24193::ChargerConfiguration_ChargeDisable);
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pmic_driver.ShutdownSystem();
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}
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const BatteryChargeParameters *params = GetBatteryChargeParameters(GetBatteryVersion());
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u32 charge_voltage_limit = params->charge_voltage_limit_default;
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CheckBatteryResult check_result;
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if (boot_reason == 4) {
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if (R_FAILED(charger_driver.GetChargeVoltageLimit(&charge_voltage_limit))) {
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pmic_driver.ShutdownSystem();
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}
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UpdateCharger(&pmic_driver, &charger_driver, &battery_driver, params, charge_voltage_limit);
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check_result = LoopCheckBattery(&pmic_driver, &charger_driver, &battery_driver, params, charge_voltage_limit, true, false, true, false, false);
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} else {
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UpdateCharger(&pmic_driver, &charger_driver, &battery_driver, params, charge_voltage_limit);
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if (boot_reason == 1) {
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check_result = LoopCheckBattery(&pmic_driver, &charger_driver, &battery_driver, params, charge_voltage_limit, true, true, false, true, true);
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} else {
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check_result = LoopCheckBattery(&pmic_driver, &charger_driver, &battery_driver, params, charge_voltage_limit, false, true, false, true, false);
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}
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}
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switch (check_result) {
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case CheckBatteryResult::Success:
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break;
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case CheckBatteryResult::Shutdown:
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pmic_driver.ShutdownSystem();
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break;
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case CheckBatteryResult::Reboot:
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RebootSystem();
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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}
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