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Updated logic in battery module

This commit is contained in:
Tom Charnock 2022-09-02 11:42:46 +02:00
parent 4deb6d812d
commit 120c68e014
1 changed files with 184 additions and 79 deletions
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241
src/modules/battery.cpp
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@ -157,122 +157,227 @@ const std::tuple<uint8_t, float, std::string, float> waybar::modules::Battery::g
try { try {
uint32_t total_power = 0; // μW uint32_t total_power = 0; // μW
bool total_power_exists = false;
uint32_t total_energy = 0; // μWh uint32_t total_energy = 0; // μWh
bool total_energy_exists = false;
uint32_t total_energy_full = 0; uint32_t total_energy_full = 0;
bool total_energy_full_exists = false;
uint32_t total_energy_full_design = 0; uint32_t total_energy_full_design = 0;
bool total_energy_full_design_exists = false;
uint32_t total_capacity{0}; uint32_t total_capacity{0};
bool total_capacity_exists = false;
std::string status = "Unknown"; std::string status = "Unknown";
for (auto const& item : batteries_) { for (auto const& item : batteries_) {
auto bat = item.first; auto bat = item.first;
uint32_t power_now;
uint32_t energy_full;
uint32_t energy_now;
uint32_t energy_full_design;
uint32_t capacity{0};
std::string _status; std::string _status;
std::getline(std::ifstream(bat / "status"), _status); std::getline(std::ifstream(bat / "status"), _status);
// Some battery will report current and charge in μA/μAh. // Some battery will report current and charge in μA/μAh.
// Scale these by the voltage to get μW/μWh. // Scale these by the voltage to get μW/μWh.
if (fs::exists(bat / "current_now") || fs::exists(bat / "current_avg")) {
uint32_t voltage_now;
uint32_t current_now;
uint32_t charge_now;
uint32_t charge_full;
uint32_t charge_full_design;
// Some batteries have only *_avg, not *_now
if (fs::exists(bat / "voltage_now"))
std::ifstream(bat / "voltage_now") >> voltage_now;
else
std::ifstream(bat / "voltage_avg") >> voltage_now;
if (fs::exists(bat / "current_now"))
std::ifstream(bat / "current_now") >> current_now;
else
std::ifstream(bat / "current_avg") >> current_now;
std::ifstream(bat / "charge_full") >> charge_full;
std::ifstream(bat / "charge_full_design") >> charge_full_design;
if (fs::exists(bat / "charge_now"))
std::ifstream(bat / "charge_now") >> charge_now;
else {
// charge_now is missing on some systems, estimate using capacity.
uint32_t capacity; uint32_t capacity;
bool capacity_exists;
if (fs::exists(bat / "capacity")) {
capacity_exists = true;
std::ifstream(bat / "capacity") >> capacity; std::ifstream(bat / "capacity") >> capacity;
charge_now = (capacity * charge_full) / 100;
}
power_now = ((uint64_t)current_now * (uint64_t)voltage_now) / 1000000;
energy_now = ((uint64_t)charge_now * (uint64_t)voltage_now) / 1000000;
energy_full = ((uint64_t)charge_full * (uint64_t)voltage_now) / 1000000;
energy_full_design = ((uint64_t)charge_full_design * (uint64_t)voltage_now) / 1000000;
} // Gamepads such as PS Dualshock provide the only capacity
else if (fs::exists(bat / "energy_now") && fs::exists(bat / "energy_full")) {
std::ifstream(bat / "power_now") >> power_now;
std::ifstream(bat / "energy_now") >> energy_now;
std::ifstream(bat / "energy_full") >> energy_full;
std::ifstream(bat / "energy_full_design") >> energy_full_design;
} else { } else {
std::ifstream(bat / "capacity") >> capacity; capacity_exists = false;
capacity = 0;
}
uint32_t current_now;
bool current_now_exists;
if (fs::exists(bat / "current_now")) {
current_now_exists = true;
std::ifstream(bat / "current_now") >> current_now;
} else if (fs::exists(bat / "current_avg")) {
current_now_exists = true;
std::ifstream(bat / "current_avg") >> current_now;
} else {
current_now_exists = false;
current_now = 0;
}
uint32_t voltage_now;
bool voltage_now_exists;
if (fs::exists(bat / "voltage_now")) {
voltage_now_exists = true;
std::ifstream(bat / "voltage_now") >> voltage_now;
} else if (fs::exists(bat / "voltage_avg")) {
voltage_now_exists = true;
std::ifstream(bat / "voltage_avg") >> voltage_now;
} else {
voltage_now_exists = false;
voltage_now = 0;
}
uint32_t charge_full;
bool charge_full_exists;
if (fs::exists(bat / "charge_full")) {
charge_full_exists = true;
std::ifstream(bat / "charge_full") >> charge_full;
} else {
charge_full_exists = false;
charge_full = 0;
}
uint32_t charge_full_design;
bool charge_full_design_exists;
if (fs::exists(bat / "charge_full_design")) {
charge_full_design_exists = true;
std::ifstream(bat / "charge_full_design") >> charge_full_design;
} else {
charge_full_design_exists = false;
charge_full_design = 0;
}
uint32_t charge_now;
bool charge_now_exists;
if (fs::exists(bat / "charge_now")) {
charge_now_exists = true;
std::ifstream(bat / "charge_now") >> charge_now;
} else if (capacity_exists && charge_full_exists) {
// charge_now is missing on some systems, estimate using capacity and charge_full.
charge_now_exists = true; // this could be debatably set to false (same for all properties below)
charge_now = (capacity * charge_full) / 100;
} else {
charge_now_exists = false;
charge_now = 0;
}
uint32_t power_now;
bool power_now_exists;
if (fs::exists(bat / "power_now")) {
power_now_exists = true;
std::ifstream(bat / "power_now") >> power_now;
} else if (current_now_exists && voltage_now_exists) {
power_now_exists = true;
power_now = ((uint64_t)current_now * (uint64_t)voltage_now) / 1000000;
} else {
power_now_exists = false;
power_now = 0; power_now = 0;
}
uint32_t energy_now;
bool energy_now_exists;
if (fs::exists(bat / "energy_now")) {
energy_now_exists = true;
std::ifstream(bat / "energy_now") >> energy_now;
} else if (charge_now_exists && voltage_now_exists) {
energy_now_exists = true;
energy_now = ((uint64_t)charge_now * (uint64_t)voltage_now) / 1000000;
} else {
energy_now_exists = false;
energy_now = 0; energy_now = 0;
}
uint32_t energy_full;
bool energy_full_exists;
if (fs::exists(bat / "energy_full")) {
energy_full_exists = true;
std::ifstream(bat / "energy_full") >> energy_full;
} else if (charge_full_exists && voltage_now_exists) {
energy_full_exists = true;
energy_full = ((uint64_t)charge_full * (uint64_t)voltage_now) / 1000000;
} else {
energy_full_exists = false;
energy_full = 0; energy_full = 0;
}
uint32_t energy_full_design;
bool energy_full_design_exists;
if (fs::exists(bat / "energy_full_design")) {
energy_full_design_exists = true;
std::ifstream(bat / "energy_full_design") >> energy_full_design;
} else if (charge_full_design_exists && voltage_now_exists) {
energy_full_design_exists = true;
energy_full_design = ((uint64_t)charge_full_design * (uint64_t)voltage_now) / 1000000;
} else {
energy_full_design_exists = false;
energy_full_design = 0; energy_full_design = 0;
} }
// Show the "smallest" status among all batteries // Show the "smallest" status among all batteries
if (status_gt(status, _status)) { if (status_gt(status, _status))
status = _status; status = _status;
}
if (power_now_exists) {
total_power_exists = true;
total_power += power_now; total_power += power_now;
}
if (energy_now_exists) {
total_energy_exists = true;
total_energy += energy_now; total_energy += energy_now;
}
if (energy_full_exists) {
total_energy_full_exists = true;
total_energy_full += energy_full; total_energy_full += energy_full;
}
if (energy_full_design_exists) {
total_energy_full_design_exists = true;
total_energy_full_design += energy_full_design; total_energy_full_design += energy_full_design;
}
if (capacity_exists) {
total_capacity_exists = true;
total_capacity += capacity; total_capacity += capacity;
} }
}
if (!adapter_.empty() && status == "Discharging") { if (!adapter_.empty() && status == "Discharging") {
bool online; bool online;
if (fs::exists(adapter_ / "online"))
std::ifstream(adapter_ / "online") >> online; std::ifstream(adapter_ / "online") >> online;
if (online) { else
online = false;
if (online)
status = "Plugged"; status = "Plugged";
} }
}
float time_remaining = 0; float time_remaining{0.0f};
if (status == "Discharging" && total_power != 0) { if (status == "Discharging" && total_power_exists && total_energy_exists) {
if (total_power != 0)
time_remaining = (float)total_energy / total_power; time_remaining = (float)total_energy / total_power;
} else if (status == "Charging" && total_power != 0) { } else if (status == "Charging" && total_energy_exists && total_energy_full_exists && total_power_exists) {
if (total_power != 0)
time_remaining = -(float)(total_energy_full - total_energy) / total_power; time_remaining = -(float)(total_energy_full - total_energy) / total_power;
if (time_remaining > 0.0f) { // If we've turned positive it means the battery is past 100% and so just report that as no time remaining
// If we've turned positive it means the battery is past 100% and so if (time_remaining > 0.0f)
// just report that as no time remaining
time_remaining = 0.0f; time_remaining = 0.0f;
} }
float calculated_capacity{0.0f};
if (total_capacity_exists) {
if (total_capacity > 0.0f)
calculated_capacity = (float)total_capacity;
else if (total_energy_full_exists && total_energy_exists) {
if (total_energy_full > 0.0f)
calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
} }
float capacity{0.0f};
if (total_energy_full > 0.0f) {
capacity = ((float)total_energy * 100.0f / (float)total_energy_full);
} else {
capacity = (float)total_capacity;
} }
// Handle design-capacity // Handle design-capacity
if (config_["design-capacity"].isBool() ? config_["design-capacity"].asBool() : false) { if ((config_["design-capacity"].isBool() ? config_["design-capacity"].asBool() : false) && total_energy_exists && total_energy_full_design_exists) {
capacity = ((float)total_energy * 100.0f / (float)total_energy_full_design); if (total_energy_full_design > 0.0f)
calculated_capacity = ((float)total_energy * 100.0f / (float)total_energy_full_design);
} }
// Handle full-at // Handle full-at
if (config_["full-at"].isUInt()) { if (config_["full-at"].isUInt()) {
auto full_at = config_["full-at"].asUInt(); auto full_at = config_["full-at"].asUInt();
if (full_at < 100) { if (full_at < 100)
capacity = 100.f * capacity / full_at; calculated_capacity = 100.f * calculated_capacity / full_at;
} }
}
if (capacity > 100.f) {
// This can happen when the battery is calibrating and goes above 100%
// Handle it gracefully by clamping at 100% // Handle it gracefully by clamping at 100%
capacity = 100.f; // This can happen when the battery is calibrating and goes above 100%
} if (calculated_capacity > 100.f)
uint8_t cap = round(capacity); calculated_capacity = 100.f;
if (cap == 100 && status == "Charging") {
// If we've reached 100% just mark as full as some batteries can stay uint8_t cap = round(calculated_capacity);
// stuck reporting they're still charging but not yet done // If we've reached 100% just mark as full as some batteries can stay stuck reporting they're still charging but not yet done
if (cap == 100 && status == "Charging")
status = "Full"; status = "Full";
}
return {cap, time_remaining, status, total_power / 1e6}; return {cap, time_remaining, status, total_power / 1e6};
} catch (const std::exception& e) { } catch (const std::exception& e) {