Beispiel #1
0
/*
 * return 0 if config is not OK.
 * This isn't a strong test, since 0x3f8 is the maximum value
 * that could be read from the 7 bit address in the ADR register anyway.
 */
static int pcmcom8_check_config(struct pcmcom8_config* config)
{
        int i;
        int sysirq;
        for (i = 0; i < PCMCOM8_NR_PORTS; i++) {
                if (config->ports[i].ioport > 0x3f8) {
                    KLOG_WARNING("bad ioport=%d\n",config->ports[i].ioport);
                    return 0;
                }
                sysirq = GET_SYSTEM_ISA_IRQ(config->ports[i].irq);
                if (sysirq <= 0) {
                    KLOG_WARNING("bad irq=%d, system irq=%d\n",
                        config->ports[i].irq,sysirq);
                    return 0;
                }
        }
        return 1;
}
int BatteryMonitor::getBatteryStatus(const char* status) {
    int ret;
    struct sysfsStringEnumMap batteryStatusMap[] = {
        { "Unknown", BATTERY_STATUS_UNKNOWN },
        { "Charging", BATTERY_STATUS_CHARGING },
        { "Discharging", BATTERY_STATUS_DISCHARGING },
        { "Not charging", BATTERY_STATUS_NOT_CHARGING },
        { "Full", BATTERY_STATUS_FULL },
        { NULL, 0 },
    };

    ret = mapSysfsString(status, batteryStatusMap);
    if (ret < 0) {
        KLOG_WARNING(LOG_TAG, "Unknown battery status '%s'\n", status);
        ret = BATTERY_STATUS_UNKNOWN;
    }

    return ret;
}
int BatteryMonitor::getBatteryHealth(const char* status) {
    int ret;
    struct sysfsStringEnumMap batteryHealthMap[] = {
        { "Unknown", BATTERY_HEALTH_UNKNOWN },
        { "Good", BATTERY_HEALTH_GOOD },
        { "Overheat", BATTERY_HEALTH_OVERHEAT },
        { "Dead", BATTERY_HEALTH_DEAD },
        { "Over voltage", BATTERY_HEALTH_OVER_VOLTAGE },
        { "Unspecified failure", BATTERY_HEALTH_UNSPECIFIED_FAILURE },
        { "Cold", BATTERY_HEALTH_COLD },
        { NULL, 0 },
    };

    ret = mapSysfsString(status, batteryHealthMap);
    if (ret < 0) {
        KLOG_WARNING(LOG_TAG, "Unknown battery health '%s'\n", status);
        ret = BATTERY_HEALTH_UNKNOWN;
    }

    return ret;
}
bool BatteryMonitor::update(void) {
    struct BatteryProperties props;
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;
    props.batteryCurrentNow = INT_MIN;
    props.batteryChargeCounter = INT_MIN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = true;

    props.batteryLevel = getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
        props.batteryCurrentNow = getIntField(mHealthdConfig->batteryCurrentNowPath);

    if (!mHealthdConfig->batteryChargeCounterPath.isEmpty())
        props.batteryChargeCounter = getIntField(mHealthdConfig->batteryChargeCounterPath);

    props.batteryTemperature = getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];
        snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

        if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
            char b[20];

            snprintf(b, sizeof(b), " c=%d", props.batteryCurrentNow / 1000);
            strlcat(dmesgline, b, sizeof(dmesgline));
        }

        KLOG_INFO(LOG_TAG, "%s chg=%s%s%s\n", dmesgline,
                  props.chargerAcOnline ? "a" : "",
                  props.chargerUsbOnline ? "u" : "",
                  props.chargerWirelessOnline ? "w" : "");
    }

    char prop[PROP_VALUE_MAX];
    // always report AC plug-in and capacity 100% if emulated.battery is set to 1
    property_get("sys.emulated.battery", prop, "0");
    if (!strcmp(prop, "1")) {
        props.chargerAcOnline = true;
        props.batteryLevel = 100;
        props.chargerWirelessOnline = false;
    }

    if (mBatteryPropertiesRegistrar != NULL)
        mBatteryPropertiesRegistrar->notifyListeners(props);

    if (!strcmp(prop, "1")) {
        return false;
    } else {
        if (0 == props.batteryTemperature)
            return false;
        else
            return props.chargerAcOnline | props.chargerUsbOnline |
                   props.chargerWirelessOnline;
    }
}
void BatteryMonitor::init(struct healthd_config *hc, bool nosvcmgr) {
    String8 path;

    mHealthdConfig = hc;
    DIR* dir = opendir(POWER_SUPPLY_SYSFS_PATH);
    if (dir == NULL) {
        KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
    } else {
        struct dirent* entry;

        while ((entry = readdir(dir))) {
            const char* name = entry->d_name;

            if (!strcmp(name, ".") || !strcmp(name, ".."))
                continue;

            char buf[20];
            // Look for "type" file in each subdirectory
            path.clear();
            path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
            switch(readPowerSupplyType(path)) {
            case ANDROID_POWER_SUPPLY_TYPE_AC:
            case ANDROID_POWER_SUPPLY_TYPE_USB:
            case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                path.clear();
                path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
                if (access(path.string(), R_OK) == 0)
                    mChargerNames.add(String8(name));
                break;

            case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
                if (mHealthdConfig->batteryStatusPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryStatusPath = path;
                }

                if (mHealthdConfig->batteryHealthPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryHealthPath = path;
                }

                if (mHealthdConfig->batteryPresentPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryPresentPath = path;
                }

                if (mHealthdConfig->batteryCapacityPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryCapacityPath = path;
                }

                if (mHealthdConfig->batteryVoltagePath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/voltage_now",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0) {
                        mHealthdConfig->batteryVoltagePath = path;
                    } else {
                        path.clear();
                        path.appendFormat("%s/%s/batt_vol",
                                          POWER_SUPPLY_SYSFS_PATH, name);
                        if (access(path, R_OK) == 0)
                            mHealthdConfig->batteryVoltagePath = path;
                    }
                }

                if (mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/current_now",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryCurrentNowPath = path;
                }

                if (mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/charge_counter",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryChargeCounterPath = path;
                }

                if (mHealthdConfig->batteryTemperaturePath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0) {
                        mHealthdConfig->batteryTemperaturePath = path;
                    } else {
                        path.clear();
                        path.appendFormat("%s/%s/batt_temp",
                                          POWER_SUPPLY_SYSFS_PATH, name);
                        if (access(path, R_OK) == 0)
                            mHealthdConfig->batteryTemperaturePath = path;
                    }
                }

                if (mHealthdConfig->batteryTechnologyPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/technology",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryTechnologyPath = path;
                }

                break;

            case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
                break;
            }
        }
        closedir(dir);
    }

    if (!mChargerNames.size())
        KLOG_ERROR(LOG_TAG, "No charger supplies found\n");
    if (mHealthdConfig->batteryStatusPath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n");
    if (mHealthdConfig->batteryHealthPath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryHealthPath not found\n");
    if (mHealthdConfig->batteryPresentPath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n");
    if (mHealthdConfig->batteryCapacityPath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n");
    if (mHealthdConfig->batteryVoltagePath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n");
    if (mHealthdConfig->batteryTemperaturePath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n");
    if (mHealthdConfig->batteryTechnologyPath.isEmpty())
        KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n");

    if (nosvcmgr == false) {
        mBatteryPropertiesRegistrar = new BatteryPropertiesRegistrar(this);
        mBatteryPropertiesRegistrar->publish();
    }
}
void BatteryMonitor::init(struct healthd_config *hc) {
    String8 path;
    char pval[PROPERTY_VALUE_MAX];

    mHealthdConfig = hc;
    DIR* dir = opendir(POWER_SUPPLY_SYSFS_PATH);
    if (dir == NULL) {
        KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
    } else {
        struct dirent* entry;

        while ((entry = readdir(dir))) {
            const char* name = entry->d_name;

            if (!strcmp(name, ".") || !strcmp(name, ".."))
                continue;

            char buf[20];
            // Look for "type" file in each subdirectory
            path.clear();
            path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
            switch(readPowerSupplyType(path)) {
            case ANDROID_POWER_SUPPLY_TYPE_AC:
            case ANDROID_POWER_SUPPLY_TYPE_USB:
            case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                path.clear();
                path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
                if (access(path.string(), R_OK) == 0)
                    mChargerNames.add(String8(name));
                break;

            case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
                mBatteryDevicePresent = true;

                if (mHealthdConfig->batteryStatusPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryStatusPath = path;
                }

                if (mHealthdConfig->batteryHealthPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryHealthPath = path;
                }

                if (mHealthdConfig->batteryPresentPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryPresentPath = path;
                }

                if (mHealthdConfig->batteryCapacityPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryCapacityPath = path;
                }

                if (mHealthdConfig->batteryVoltagePath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/voltage_now",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0) {
                        mHealthdConfig->batteryVoltagePath = path;
                    } else {
                        path.clear();
                        path.appendFormat("%s/%s/batt_vol",
                                          POWER_SUPPLY_SYSFS_PATH, name);
                        if (access(path, R_OK) == 0)
                            mHealthdConfig->batteryVoltagePath = path;
                    }
                }

                if (mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/current_now",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryCurrentNowPath = path;
                }

                if (mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/current_avg",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryCurrentAvgPath = path;
                }

                if (mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/charge_counter",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryChargeCounterPath = path;
                }

                if (mHealthdConfig->batteryTemperaturePath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH,
                                      name);
                    if (access(path, R_OK) == 0) {
                        mHealthdConfig->batteryTemperaturePath = path;
                    } else {
                        path.clear();
                        path.appendFormat("%s/%s/batt_temp",
                                          POWER_SUPPLY_SYSFS_PATH, name);
                        if (access(path, R_OK) == 0)
                            mHealthdConfig->batteryTemperaturePath = path;
                    }
                }

                if (mHealthdConfig->batteryTechnologyPath.isEmpty()) {
                    path.clear();
                    path.appendFormat("%s/%s/technology",
                                      POWER_SUPPLY_SYSFS_PATH, name);
                    if (access(path, R_OK) == 0)
                        mHealthdConfig->batteryTechnologyPath = path;
                }

                break;

            case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
                break;
            }
        }
        closedir(dir);
    }

    if (!mChargerNames.size())
        KLOG_ERROR(LOG_TAG, "No charger supplies found\n");
    if (!mBatteryDevicePresent) {
        KLOG_WARNING(LOG_TAG, "No battery devices found\n");
        hc->periodic_chores_interval_fast = -1;
        hc->periodic_chores_interval_slow = -1;
    } else {
        if (mHealthdConfig->batteryStatusPath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n");
        if (mHealthdConfig->batteryHealthPath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryHealthPath not found\n");
        if (mHealthdConfig->batteryPresentPath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n");
        if (mHealthdConfig->batteryCapacityPath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n");
        if (mHealthdConfig->batteryVoltagePath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n");
        if (mHealthdConfig->batteryTemperaturePath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n");
        if (mHealthdConfig->batteryTechnologyPath.isEmpty())
            KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n");
    }

    if (property_get("ro.boot.fake_battery", pval, NULL) > 0
                                               && strtol(pval, NULL, 10) != 0) {
        mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY;
        mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE;
    }
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    // reinitialize the mChargerNames vector everytime there is an update
    String8 path;
    DIR* dir = opendir(POWER_SUPPLY_SYSFS_PATH);
    if (dir == NULL) {
        KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
    } else {
        struct dirent* entry;
        // reconstruct the charger strings
        mChargerNames.clear();
        while ((entry = readdir(dir))) {
            const char* name = entry->d_name;

            if (!strcmp(name, ".") || !strcmp(name, ".."))
                continue;

            // Look for "type" file in each subdirectory
            path.clear();
            path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
            switch(readPowerSupplyType(path)) {
            case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
                break;
            default:
                path.clear();
                path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
                if (access(path.string(), R_OK) == 0) {
                    mChargerNames.add(String8(name));
                    if (readFromFile(path, buf, SIZE) > 0) {
                        if (buf[0] != '0') {
                            path.clear();
                            path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                              name);
                            switch(readPowerSupplyType(path)) {
                            case ANDROID_POWER_SUPPLY_TYPE_AC:
                                props.chargerAcOnline = true;
                                break;
                            case ANDROID_POWER_SUPPLY_TYPE_USB:
                                props.chargerUsbOnline = true;
                                break;
                            case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                                props.chargerWirelessOnline = true;
                                break;
                            default:
                                KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                             name);
                            }
                        }
                    }
                }
                break;
            } //switch
        } //while
        closedir(dir);
    }//else

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];

        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                int c = getIntField(mHealthdConfig->batteryCurrentNowPath);
                char b[20];

                snprintf(b, sizeof(b), " c=%d", c / 1000);
                strlcat(dmesgline, b, sizeof(dmesgline));
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        KLOG_WARNING(LOG_TAG, "%s chg=%s%s%s\n", dmesgline,
                     props.chargerAcOnline ? "a" : "",
                     props.chargerUsbOnline ? "u" : "",
                     props.chargerWirelessOnline ? "w" : "");
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];

        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                int c = getIntField(mHealthdConfig->batteryCurrentNowPath);
                char b[20];

                snprintf(b, sizeof(b), " c=%d", c / 1000);
                strlcat(dmesgline, b, sizeof(dmesgline));
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        KLOG_WARNING(LOG_TAG, "%s chg=%s%s%s\n", dmesgline,
                     props.chargerAcOnline ? "a" : "",
                     props.chargerUsbOnline ? "u" : "",
                     props.chargerWirelessOnline ? "w" : "");
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];

        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                int c = getIntField(mHealthdConfig->batteryCurrentNowPath);
                char b[20];

                snprintf(b, sizeof(b), " c=%d", c / 1000);
                strlcat(dmesgline, b, sizeof(dmesgline));
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        size_t len = strlen(dmesgline);
        snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
                 props.chargerAcOnline ? "a" : "",
                 props.chargerUsbOnline ? "u" : "",
                 props.chargerWirelessOnline ? "w" : "");

        log_time realtime(CLOCK_REALTIME);
        time_t t = realtime.tv_sec;
        struct tm *tmp = gmtime(&t);
        if (tmp) {
            static const char fmt[] = " %Y-%m-%d %H:%M:%S.XXXXXXXXX UTC";
            len = strlen(dmesgline);
            if ((len < (sizeof(dmesgline) - sizeof(fmt) - 8)) // margin
                    && strftime(dmesgline + len, sizeof(dmesgline) - len,
                                fmt, tmp)) {
                char *usec = strchr(dmesgline + len, 'X');
                if (usec) {
                    len = usec - dmesgline;
                    snprintf(dmesgline + len, sizeof(dmesgline) - len,
                             "%09u", realtime.tv_nsec);
                    usec[9] = ' ';
                }
            }
        }

        KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}
bool BatteryMonitor::update(void) {
    bool logthis;

    props.chargerAcOnline = false;
    props.chargerUsbOnline = false;
    props.chargerWirelessOnline = false;
    props.batteryStatus = BATTERY_STATUS_UNKNOWN;
    props.batteryHealth = BATTERY_HEALTH_UNKNOWN;
    props.maxChargingCurrent = 0;

    if (!mHealthdConfig->batteryPresentPath.isEmpty())
        props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
    else
        props.batteryPresent = mBatteryDevicePresent;

    props.batteryLevel = mBatteryFixedCapacity ?
        mBatteryFixedCapacity :
        getIntField(mHealthdConfig->batteryCapacityPath);
    props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;

    if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
        props.batteryCurrent = getIntField(mHealthdConfig->batteryCurrentNowPath) / 1000;

    if (!mHealthdConfig->batteryFullChargePath.isEmpty())
        props.batteryFullCharge = getIntField(mHealthdConfig->batteryFullChargePath);

    if (!mHealthdConfig->batteryCycleCountPath.isEmpty())
        props.batteryCycleCount = getIntField(mHealthdConfig->batteryCycleCountPath);

    props.batteryTemperature = mBatteryFixedTemperature ?
        mBatteryFixedTemperature :
        getIntField(mHealthdConfig->batteryTemperaturePath);

    // For devices which do not have battery and are always plugged
    // into power souce.
    if (mAlwaysPluggedDevice) {
        props.chargerAcOnline = true;
        props.batteryPresent = true;
        props.batteryStatus = BATTERY_STATUS_CHARGING;
        props.batteryHealth = BATTERY_HEALTH_GOOD;
    }

    const int SIZE = 128;
    char buf[SIZE];
    String8 btech;

    if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0)
        props.batteryStatus = getBatteryStatus(buf);

    if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0)
        props.batteryHealth = getBatteryHealth(buf);

    if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0)
        props.batteryTechnology = String8(buf);

    unsigned int i;

    for (i = 0; i < mChargerNames.size(); i++) {
        String8 path;
        path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
                          mChargerNames[i].string());

        if (readFromFile(path, buf, SIZE) > 0) {
            if (buf[0] != '0') {
                path.clear();
                path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                switch(readPowerSupplyType(path)) {
                case ANDROID_POWER_SUPPLY_TYPE_AC:
                    props.chargerAcOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_USB:
                    props.chargerUsbOnline = true;
                    break;
                case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
                    props.chargerWirelessOnline = true;
                    break;
                default:
                    KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
                                 mChargerNames[i].string());
                }
                path.clear();
                path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH,
                                  mChargerNames[i].string());
                if (access(path.string(), R_OK) == 0) {
                    int maxChargingCurrent = getIntField(path);
                    if (props.maxChargingCurrent < maxChargingCurrent) {
                        props.maxChargingCurrent = maxChargingCurrent;
                    }
                }
            }
        }
    }

    logthis = !healthd_board_battery_update(&props);

    if (logthis) {
        char dmesgline[256];
        size_t len;
        if (props.batteryPresent) {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
                 props.batteryLevel, props.batteryVoltage,
                 props.batteryTemperature < 0 ? "-" : "",
                 abs(props.batteryTemperature / 10),
                 abs(props.batteryTemperature % 10), props.batteryHealth,
                 props.batteryStatus);

            len = strlen(dmesgline);
            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
                                " c=%d", props.batteryCurrent);
            }

            if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
                                " fc=%d", props.batteryFullCharge);
            }

            if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
                                " cc=%d", props.batteryCycleCount);
            }
        } else {
            snprintf(dmesgline, sizeof(dmesgline),
                 "battery none");
        }

        len = strlen(dmesgline);
        snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
                 props.chargerAcOnline ? "a" : "",
                 props.chargerUsbOnline ? "u" : "",
                 props.chargerWirelessOnline ? "w" : "");

        KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
    }

    healthd_mode_ops->battery_update(&props);
    return props.chargerAcOnline | props.chargerUsbOnline |
            props.chargerWirelessOnline;
}