Updated logic in battery module
Tom Charnock
parent
4deb6d812d
commit
120c68e014
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@ -157,122 +157,227 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g
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try {
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uint32_t total_power = 0; // μW
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bool total_power_exists = false;
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uint32_t total_energy = 0; // μWh
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bool total_energy_exists = false;
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uint32_t total_energy_full = 0;
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bool total_energy_full_exists = false;
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uint32_t total_energy_full_design = 0;
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bool total_energy_full_design_exists = false;
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uint32_t total_capacity{0};
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bool total_capacity_exists = false;
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std::string status = "Unknown";
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for (auto const& item : batteries_) {
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auto bat = item.first;
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uint32_t power_now;
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uint32_t energy_full;
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uint32_t energy_now;
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uint32_t energy_full_design;
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uint32_t capacity{0};
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std::string _status;
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std::getline(std::ifstream(bat / "status"), _status);
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// Some battery will report current and charge in μA/μAh.
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// Scale these by the voltage to get μW/μWh.
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if (fs::exists(bat / "current_now") || fs::exists(bat / "current_avg")) {
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uint32_t voltage_now;
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uint32_t current_now;
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uint32_t charge_now;
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uint32_t charge_full;
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uint32_t charge_full_design;
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// Some batteries have only *_avg, not *_now
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if (fs::exists(bat / "voltage_now"))
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std::ifstream(bat / "voltage_now") >> voltage_now;
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else
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std::ifstream(bat / "voltage_avg") >> voltage_now;
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if (fs::exists(bat / "current_now"))
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std::ifstream(bat / "current_now") >> current_now;
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else
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std::ifstream(bat / "current_avg") >> current_now;
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std::ifstream(bat / "charge_full") >> charge_full;
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std::ifstream(bat / "charge_full_design") >> charge_full_design;
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if (fs::exists(bat / "charge_now"))
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std::ifstream(bat / "charge_now") >> charge_now;
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else {
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// charge_now is missing on some systems, estimate using capacity.
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uint32_t capacity;
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bool capacity_exists;
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if (fs::exists(bat / "capacity")) {
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capacity_exists = true;
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std::ifstream(bat / "capacity") >> capacity;
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charge_now = (capacity * charge_full) / 100;
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}
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power_now = ((uint64_t)current_now * (uint64_t)voltage_now) / 1000000;
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energy_now = ((uint64_t)charge_now * (uint64_t)voltage_now) / 1000000;
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energy_full = ((uint64_t)charge_full * (uint64_t)voltage_now) / 1000000;
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energy_full_design = ((uint64_t)charge_full_design * (uint64_t)voltage_now) / 1000000;
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} // Gamepads such as PS Dualshock provide the only capacity
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else if (fs::exists(bat / "energy_now") && fs::exists(bat / "energy_full")) {
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std::ifstream(bat / "power_now") >> power_now;
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std::ifstream(bat / "energy_now") >> energy_now;
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std::ifstream(bat / "energy_full") >> energy_full;
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std::ifstream(bat / "energy_full_design") >> energy_full_design;
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} else {
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std::ifstream(bat / "capacity") >> capacity;
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capacity_exists = false;
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capacity = 0;
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}
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uint32_t current_now;
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bool current_now_exists;
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if (fs::exists(bat / "current_now")) {
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current_now_exists = true;
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std::ifstream(bat / "current_now") >> current_now;
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} else if (fs::exists(bat / "current_avg")) {
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current_now_exists = true;
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std::ifstream(bat / "current_avg") >> current_now;
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} else {
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current_now_exists = false;
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current_now = 0;
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}
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uint32_t voltage_now;
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bool voltage_now_exists;
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if (fs::exists(bat / "voltage_now")) {
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voltage_now_exists = true;
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std::ifstream(bat / "voltage_now") >> voltage_now;
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} else if (fs::exists(bat / "voltage_avg")) {
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voltage_now_exists = true;
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std::ifstream(bat / "voltage_avg") >> voltage_now;
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} else {
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voltage_now_exists = false;
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voltage_now = 0;
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}
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uint32_t charge_full;
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bool charge_full_exists;
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if (fs::exists(bat / "charge_full")) {
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charge_full_exists = true;
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std::ifstream(bat / "charge_full") >> charge_full;
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} else {
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charge_full_exists = false;
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charge_full = 0;
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}
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uint32_t charge_full_design;
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bool charge_full_design_exists;
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if (fs::exists(bat / "charge_full_design")) {
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charge_full_design_exists = true;
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std::ifstream(bat / "charge_full_design") >> charge_full_design;
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} else {
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charge_full_design_exists = false;
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charge_full_design = 0;
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}
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uint32_t charge_now;
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bool charge_now_exists;
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if (fs::exists(bat / "charge_now")) {
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charge_now_exists = true;
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std::ifstream(bat / "charge_now") >> charge_now;
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} else if (capacity_exists && charge_full_exists) {
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// charge_now is missing on some systems, estimate using capacity and charge_full.
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charge_now_exists = true; // this could be debatably set to false (same for all properties below)
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charge_now = (capacity * charge_full) / 100;
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} else {
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charge_now_exists = false;
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charge_now = 0;
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}
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uint32_t power_now;
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bool power_now_exists;
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if (fs::exists(bat / "power_now")) {
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power_now_exists = true;
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std::ifstream(bat / "power_now") >> power_now;
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} else if (current_now_exists && voltage_now_exists) {
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power_now_exists = true;
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power_now = ((uint64_t)current_now * (uint64_t)voltage_now) / 1000000;
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} else {
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power_now_exists = false;
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power_now = 0;
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}
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uint32_t energy_now;
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bool energy_now_exists;
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if (fs::exists(bat / "energy_now")) {
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energy_now_exists = true;
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std::ifstream(bat / "energy_now") >> energy_now;
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} else if (charge_now_exists && voltage_now_exists) {
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energy_now_exists = true;
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energy_now = ((uint64_t)charge_now * (uint64_t)voltage_now) / 1000000;
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} else {
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energy_now_exists = false;
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energy_now = 0;
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}
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uint32_t energy_full;
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bool energy_full_exists;
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if (fs::exists(bat / "energy_full")) {
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energy_full_exists = true;
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std::ifstream(bat / "energy_full") >> energy_full;
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} else if (charge_full_exists && voltage_now_exists) {
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energy_full_exists = true;
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energy_full = ((uint64_t)charge_full * (uint64_t)voltage_now) / 1000000;
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} else {
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energy_full_exists = false;
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energy_full = 0;
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}
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uint32_t energy_full_design;
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bool energy_full_design_exists;
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if (fs::exists(bat / "energy_full_design")) {
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energy_full_design_exists = true;
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std::ifstream(bat / "energy_full_design") >> energy_full_design;
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} else if (charge_full_design_exists && voltage_now_exists) {
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energy_full_design_exists = true;
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energy_full_design = ((uint64_t)charge_full_design * (uint64_t)voltage_now) / 1000000;
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} else {
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energy_full_design_exists = false;
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energy_full_design = 0;
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}
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// Show the "smallest" status among all batteries
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if (status_gt(status, _status)) {
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if (status_gt(status, _status))
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status = _status;
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}
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if (power_now_exists) {
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total_power_exists = true;
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total_power += power_now;
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}
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if (energy_now_exists) {
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total_energy_exists = true;
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total_energy += energy_now;
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}
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if (energy_full_exists) {
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total_energy_full_exists = true;
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total_energy_full += energy_full;
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}
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if (energy_full_design_exists) {
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total_energy_full_design_exists = true;
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total_energy_full_design += energy_full_design;
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}
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if (capacity_exists) {
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total_capacity_exists = true;
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total_capacity += capacity;
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}
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}
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if (!adapter_.empty() && status == "Discharging") {
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bool online;
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if (fs::exists(adapter_ / "online"))
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std::ifstream(adapter_ / "online") >> online;
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if (online) {
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else
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online = false;
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if (online)
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status = "Plugged";
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}
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}
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float time_remaining = 0;
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if (status == "Discharging" && total_power != 0) {
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float time_remaining{0.0f};
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if (status == "Discharging" && total_power_exists && total_energy_exists) {
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if (total_power != 0)
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time_remaining = (float)total_energy / total_power;
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} else if (status == "Charging" && total_power != 0) {
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} else if (status == "Charging" && total_energy_exists && total_energy_full_exists && total_power_exists) {
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if (total_power != 0)
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time_remaining = -(float)(total_energy_full - total_energy) / total_power;
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if (time_remaining > 0.0f) {
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// If we've turned positive it means the battery is past 100% and so
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// just report that as no time remaining
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// If we've turned positive it means the battery is past 100% and so just report that as no time remaining
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if (time_remaining > 0.0f)
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time_remaining = 0.0f;
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}
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float calculated_capacity{0.0f};
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if (total_capacity_exists) {
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if (total_capacity > 0.0f)
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calculated_capacity = (float)total_capacity;
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else if (total_energy_full_exists && total_energy_exists) {
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if (total_energy_full > 0.0f)
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calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
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}
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float capacity{0.0f};
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if (total_energy_full > 0.0f) {
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capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
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} else {
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capacity = (float)total_capacity;
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}
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// Handle design-capacity
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if (config_["design-capacity"].isBool() ? config_["design-capacity"].asBool() : false) {
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capacity = ((float)total_energy * 100.0f / (float)total_energy_full_design);
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if ((config_["design-capacity"].isBool() ? config_["design-capacity"].asBool() : false) && total_energy_exists && total_energy_full_design_exists) {
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if (total_energy_full_design > 0.0f)
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calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full_design);
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}
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// Handle full-at
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if (config_["full-at"].isUInt()) {
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auto full_at = config_["full-at"].asUInt();
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if (full_at < 100) {
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capacity = 100.f * capacity / full_at;
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if (full_at < 100)
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calculated_capacity = 100.f * calculated_capacity / full_at;
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}
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}
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if (capacity > 100.f) {
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// This can happen when the battery is calibrating and goes above 100%
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// Handle it gracefully by clamping at 100%
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capacity = 100.f;
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}
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uint8_t cap = round(capacity);
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if (cap == 100 && status == "Charging") {
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// If we've reached 100% just mark as full as some batteries can stay
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// stuck reporting they're still charging but not yet done
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// This can happen when the battery is calibrating and goes above 100%
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if (calculated_capacity > 100.f)
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calculated_capacity = 100.f;
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uint8_t cap = round(calculated_capacity);
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// If we've reached 100% just mark as full as some batteries can stay stuck reporting they're still charging but not yet done
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if (cap == 100 && status == "Charging")
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status = "Full";
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}
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return {cap, time_remaining, status, total_power / 1e6};
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} catch (const std::exception& e) {
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