--- /dev/null
+/*
+ * device-node
+ *
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <linux/limits.h>
+#include <dirent.h>
+
+#include <hw/battery.h>
+#include "../shared.h"
+#include "../dbus.h"
+
+#define BATTERY_BUS "org.tizen.system.deviced"
+#define BATTERY_OBJECT "/Org/Tizen/System/DeviceD/SysNoti"
+#define BATTERY_IFACE BATTERY_BUS".SysNoti"
+#define BATTERY_SIGNAL "power_supply"
+
+#define FILE_BATTERY_CAPACITY "/sys/class/power_supply/battery/capacity"
+#define FILE_BATTERY_CHARGER_ONLINE "/sys/devices/platform/jack/charger_online"
+#define FILE_BATTERY_CHARGE_FULL "/sys/class/power_supply/battery/charge_full"
+#define FILE_BATTERY_CHARGE_NOW "/sys/class/power_supply/battery/charge_now"
+
+static struct signal_data {
+ BatteryUpdated updated_cb;
+ void *data;
+} sdata = { 0, };
+
+static int id; /* signal handler id */
+
+static int get_power_source(int online, char **src)
+{
+ if (!src)
+ return -EINVAL;
+
+ switch (online) {
+ case 2:
+ *src = POWER_SOURCE_AC;
+ break;
+ case 4:
+ *src = POWER_SOURCE_USB;
+ break;
+ default:
+ *src = POWER_SOURCE_NONE;
+ break;
+ }
+
+ return 0;
+}
+
+static void signal_delivered(GDBusConnection *conn,
+ const gchar *sender,
+ const gchar *object,
+ const gchar *iface,
+ const gchar *signal,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ struct battery_info info;
+ int num, ret;
+ char *sig, *capacity, *status, *health, *online, *present;
+ char *val;
+
+ if (strncmp(signal, BATTERY_SIGNAL, sizeof(BATTERY_SIGNAL)))
+ return;
+
+ _I("POWER_SUPPLY uevent is delivered");
+
+ if (!sdata.updated_cb) {
+ _E("POWER_SUPPLY callback is NULL");
+ return;
+ }
+
+ g_variant_get(parameters, "(sisssss)", &sig, &num,
+ &capacity, &status, &health, &online, &present);
+
+ info.name = BATTERY_HARDWARE_DEVICE_ID;
+ info.status = status;
+ info.health = health;
+ info.online = atoi(online);
+ info.present = atoi(present);
+ info.capacity = atoi(capacity);
+
+ if (!strncmp(status, "Charging", strlen(status))) {
+ info.current_now = 1000; /* uA */
+ info.current_average = 1000; /* uA */
+ } else {
+ info.current_now = -1000; /* uA */
+ info.current_average = -1000; /* uA */
+ }
+
+ ret = get_power_source(info.online, &val);
+ if (ret < 0)
+ goto out;
+ info.power_source = val;
+
+ sdata.updated_cb(&info, sdata.data);
+
+out:
+ free(status);
+ free(health);
+ free(online);
+ free(present);
+ free(capacity);
+}
+
+static int battery_register_changed_event(
+ BatteryUpdated updated_cb, void *data)
+{
+ int ret;
+
+ if (sdata.updated_cb) {
+ _E("update callback is already registered");
+ return -EEXIST;
+ }
+
+ ret = register_dbus_signal(BATTERY_OBJECT,
+ BATTERY_IFACE, BATTERY_SIGNAL,
+ signal_delivered, &sdata, &id);
+ if (ret < 0) {
+ _E("Failed to register signal");
+ return -ENOMEM;
+ }
+
+ sdata.updated_cb = updated_cb;
+ sdata.data = data;
+
+ return ret;
+}
+
+static void battery_unregister_changed_event(
+ BatteryUpdated updated_cb)
+{
+ unregister_dbus_signal(&id);
+ sdata.updated_cb = NULL;
+ sdata.data = NULL;
+}
+
+static int battery_get_current_state(
+ BatteryUpdated updated_cb, void *data)
+{
+ int ret;
+ struct battery_info info;
+ char *status;
+ char *val;
+ char capacity_str[8];
+ char charger_str[8];
+ char charge_full_str[8];
+ char charge_now_str[8];
+ int capacity, charger, charge_full, charge_now;
+
+ if (!updated_cb)
+ return -EINVAL;
+
+ info.name = BATTERY_HARDWARE_DEVICE_ID;
+
+ ret = sys_get_str(FILE_BATTERY_CAPACITY, capacity_str, sizeof(capacity_str));
+ if (ret < 0) {
+ _E("Failed to get value of (%s, %d)", FILE_BATTERY_CAPACITY, ret);
+ return ret;
+ }
+ ret = sys_get_str(FILE_BATTERY_CHARGER_ONLINE, charger_str, sizeof(charger_str));
+ if (ret < 0) {
+ _E("Failed to get value of (%s, %d)", FILE_BATTERY_CHARGER_ONLINE, ret);
+ return ret;
+ }
+ ret = sys_get_str(FILE_BATTERY_CHARGE_FULL, charge_full_str, sizeof(charge_full_str));
+ if (ret < 0) {
+ _E("Failed to get value of (%s, %d)", FILE_BATTERY_CHARGE_FULL, ret);
+ return ret;
+ }
+ ret = sys_get_str(FILE_BATTERY_CHARGE_NOW, charge_now_str, sizeof(charge_now_str));
+ if (ret < 0) {
+ _E("Failed to get value of (%s, %d)", FILE_BATTERY_CHARGE_NOW, ret);
+ return ret;
+ }
+
+ capacity = atoi(capacity_str);
+ charger = atoi(charger_str);
+ charge_full = atoi(charge_full_str);
+ charge_now = atoi(charge_now_str);
+
+ if (charge_full == 1)
+ status = "Full";
+ else if (charge_now == 1)
+ status = "Charging";
+ else
+ status = "Discharging";
+ info.status = status;
+
+ info.health = "Good";
+ info.online = charger + 1;
+ info.present = 1;
+ info.capacity = capacity;
+
+ if (charge_now == 1) {
+ info.current_now = 1000; /* uA */
+ info.current_average = 1000; /* uA */
+ } else {
+ info.current_now = -1000; /* uA */
+ info.current_average = -1000; /* uA */
+ }
+
+ ret = get_power_source(info.online, &val);
+ if (ret < 0)
+ return ret;
+ info.power_source = val;
+
+ updated_cb(&info, data);
+
+ return 0;
+}
+
+static int battery_open(struct hw_info *info,
+ const char *id, struct hw_common **common)
+{
+ struct battery_device *battery_dev;
+
+ if (!info || !common)
+ return -EINVAL;
+
+ battery_dev = calloc(1, sizeof(struct battery_device));
+ if (!battery_dev)
+ return -ENOMEM;
+
+ battery_dev->common.info = info;
+ battery_dev->register_changed_event
+ = battery_register_changed_event;
+ battery_dev->unregister_changed_event
+ = battery_unregister_changed_event;
+ battery_dev->get_current_state
+ = battery_get_current_state;
+
+ *common = (struct hw_common *)battery_dev;
+ return 0;
+}
+
+static int battery_close(struct hw_common *common)
+{
+ if (!common)
+ return -EINVAL;
+
+ free(common);
+ return 0;
+}
+
+HARDWARE_MODULE_STRUCTURE = {
+ .magic = HARDWARE_INFO_TAG,
+ .hal_version = HARDWARE_INFO_VERSION,
+ .device_version = BATTERY_HARDWARE_DEVICE_VERSION,
+ .id = BATTERY_HARDWARE_DEVICE_ID,
+ .name = "battery",
+ .open = battery_open,
+ .close = battery_close,
+};
projects / platform / adaptation / emulator / device-manager-plugin-emul.git / commitdiff