Created
January 28, 2023 08:40
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Get Battery Information in darwin
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package main | |
import ( | |
"encoding/json" | |
"fmt" | |
"os/exec" | |
plist "howett.net/plist" | |
) | |
type PowerTelemetry struct { | |
AccumulatedAdapterEfficiencyLoss int `json:"accumulated_adapter_efficiency_loss"` | |
AccumulatedSystemEnergyConsumed int `json:"accumulated_system_energy_consumed"` | |
AccumulatedSystemLoad int `json:"accumulated_system_load"` | |
AccumulatedSystemPowerIn int `json:"accumulated_system_power_in"` | |
AccumulatedWallEnergyEstimate int `json:"accumulated_wall_energy_estimate"` | |
AdapterEfficiencyLoss int `json:"adapter_efficiency_loss"` | |
AdapterEfficiencyLossAccumulatorCount int `json:"adapter_efficiency_loss_accumulator_count"` | |
SystemEnergyConsumed int `json:"system_energy_consumed"` | |
SystemLoad int `json:"system_load"` | |
SystemLoadAccumulatorCount int `json:"system_load_accumulator_count"` | |
SystemPowerIn int `json:"system_power_in"` | |
SystemPowerInAccumulatorCount int `json:"system_power_in_accumulator_count"` | |
WallEnergyEstimate int `json:"wall_energy_estimate"` | |
} | |
type battery struct { | |
AdapterInfo int `plist:"AdapterInfo" json:"adapter"` | |
Amperage int `plist:"Amperage" json:"amperage"` | |
BatteryInstalled bool `plist:"BatteryInstalled" json:"battery_installed"` | |
BatteryInvalidWakeSeconds int `plist:"BatteryInvalidWakeSeconds" json:"battery_invalid_wake_seconds"` | |
BootPathUpdated int `plist:"BootPathUpdated" json:"boot_bath_updated"` | |
CurrentCapacity int `plist:"CurrentCapacity" json:"current_capacity"` | |
CycleCount int `plist:"CycleCount" json:"cycle_capacity"` | |
ExternalChargeCapable bool `plist:"ExternalChargeCapable" json:"external_charge_capable"` | |
ExternalConnected bool `plist:"ExternalConnected" json:"external_connected"` | |
FullPathUpdated int `plist:"FullPathUpdated" json:"full_path_updated"` | |
IOGeneralInterest string `plist:"IOGeneralInterest" json:"io_general_interest"` | |
IOObjectClass string `plist:"IOObjectClass" json:"io_object_class"` | |
IOObjectRetainCount int `plist:"IOObjectRetainCount" json:"io_object_retain_count"` | |
IORegistryEntryID int `plist:"IORegistryEntryID" json:"io_registry_entry_id"` | |
IORegistryEntryName string `plist:"IORegistryEntryName" json:"io_registry_entry_name"` | |
IOReportLegend interface{} `plist:"IOReportLegend" json:"io_report_legend"` | |
IOReportLegendPublic bool `plist:"IOReportLegendPublic" json:"io_report_legend_public"` | |
IOServiceBusyState int `plist:"IOServiceBusyState" json:"io_service_busy_state"` | |
IOServiceBusyTime int `plist:"IOServiceBusyTime" json:"io_service_busy_time"` | |
IOServiceState int `plist:"IOServiceState" json:"io_service_state"` | |
IsCharging bool `plist:"IsCharging" json:"is_charging"` | |
Location int `plist:"Location" json:"location"` | |
MaxCapacity int `plist:"MaxCapacity" json:"max_capacity"` | |
PostChargeWaitSeconds int `json:"post_charge_wait_seconds"` | |
PostDischargeWaitSeconds int `json:"post_discharge_wait_seconds"` | |
PowerTelemetryData interface{} `json:"power_telemetry_data"` | |
TimeRemaining int `json:"time_remaining"` | |
UpdateTime int `json:"update_time"` | |
Voltage int `json:"voltage"` | |
BuiltIn bool `plist:"built-in"` | |
} | |
func readBatteries() ([]*battery, error) { | |
out, err := exec.Command("ioreg", "-n", "AppleSmartBattery", "-r", "-a").Output() | |
if err != nil { | |
return nil, err | |
} | |
if len(out) == 0 { | |
// No batteries. | |
return nil, nil | |
} | |
var data []*battery | |
if _, err = plist.Unmarshal(out, &data); err != nil { | |
return nil, err | |
} | |
return data, nil | |
} | |
func main() { | |
batt, err := readBatteries() | |
if err == nil { | |
for _, b := range batt { | |
mar, _ := json.Marshal(b) | |
fmt.Println(string(mar)) | |
} | |
} | |
} |
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