Add generic UpDeviceBattery base class

This class can handle laptop battery related quirks and estimations.

1 files changed, 93 insertions, 0 deletions

diff --git a/src/up-device-battery.h b/src/up-device-battery.h
new file mode 100644
index 0000000..94cfcc9
--- /dev/null
+++ b/src/up-device-battery.h
@@ -0,0 +1,93 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2022 Benjamin Berg <bberg@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#pragma once
+
+#include "up-device.h"
+
+G_BEGIN_DECLS
+
+#define MAX_DISCHARGE_RATE 300
+
+#define UP_TYPE_DEVICE_BATTERY	(up_device_battery_get_type ())
+
+G_DECLARE_DERIVABLE_TYPE (UpDeviceBattery, up_device_battery, UP, DEVICE_BATTERY, UpDevice)
+
+struct _UpDeviceBatteryClass
+{
+  UpDeviceClass parent_class;
+};
+
+typedef enum {
+	UP_BATTERY_UNIT_UNDEFINED = 0,
+	UP_BATTERY_UNIT_ENERGY,
+	UP_BATTERY_UNIT_CHARGE,
+} UpBatteryUnits;
+
+typedef struct {
+	gint64 ts_us;
+	UpDeviceState state;
+	UpBatteryUnits units;
+
+	union {
+		struct {
+			gdouble cur;
+			gdouble rate;
+		} energy;
+		struct {
+			gdouble cur;
+			gdouble rate;
+		} charge;
+	};
+	gdouble percentage;
+	gdouble voltage;
+	gdouble temperature;
+} UpBatteryValues;
+
+typedef struct {
+	gboolean present;
+
+	const char *vendor;
+	const char *model;
+	const char *serial;
+
+	UpBatteryUnits units;
+
+	union {
+		struct {
+			gdouble full;
+			gdouble design;
+		} energy;
+		struct {
+			gdouble full;
+			gdouble design;
+		} charge;
+	};
+
+	UpDeviceTechnology technology;
+	gdouble voltage_design;
+	gint charge_cycles;
+} UpBatteryInfo;
+
+
+void up_device_battery_update_info (UpDeviceBattery *self, UpBatteryInfo *info);
+void up_device_battery_report (UpDeviceBattery *self, UpBatteryValues *values, UpRefreshReason reason);
+
+G_END_DECLS