C++ (Cpp) bq27541_battery_rsoc Examples

Example #1

File: bq27541_battery.c Project: AndrewDB/rk3066-kernel

static int bq27541_battery_get_property(struct power_supply *psy,
					enum power_supply_property psp,
					union power_supply_propval *val)
{
	int ret = 0;
	
	struct bq27541_device_info *di = to_bq27541_device_info(psy);
	DBG("Enter:%s %d psp= %d\n",__FUNCTION__,__LINE__,psp);
	
	switch (psp) {

	case POWER_SUPPLY_PROP_STATUS:
		ret = bq27541_battery_status(di, val);
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
	case POWER_SUPPLY_PROP_PRESENT:
		val->intval = bq27541_battery_voltage(di);
		if (psp == POWER_SUPPLY_PROP_PRESENT){
			val->intval = val->intval <= 0 ? 0 : 1;
		}
		break;
	case POWER_SUPPLY_PROP_CURRENT_NOW:
		val->intval = bq27541_battery_current(di);
		break;
	case POWER_SUPPLY_PROP_CAPACITY:
		if (di->power_down == 1){      // < 3.4V    power down ,capacity = 0;
			val->intval = 0;
		}else {
			val->intval = bq27541_battery_rsoc(di);
		}
		break;

	case POWER_SUPPLY_PROP_TEMP:
		val->intval = bq27541_battery_temperature(di);
		break;

	case POWER_SUPPLY_PROP_TECHNOLOGY:
		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;	
		break;
	case POWER_SUPPLY_PROP_HEALTH:
		ret = bq27541_health_status(di, val);
		break;
	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
		ret = bq27541_battery_time(di, BQ27x00_REG_TTE, val);
		break;
	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
		ret = bq27541_battery_time(di, BQ27x00_REG_TTECP, val);
		break;
	case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
		ret = bq27541_battery_time(di, BQ27x00_REG_TTF, val);
		break;
	
	default:
		return -EINVAL;
	}

	return ret;
}

Example #2

/**********************
Boot threshold voltage limit is set in the ADC driver,judge here only to prevent 0% capacity but voltage is more than 3.5V
leading to shut down immediately after boot
***********************/
static void battery_capacity_check(struct bq27541_device_info *di)
{
	int rsoc;
	rsoc = bq27541_battery_rsoc(di);
	if(rsoc <= 0){
		if(is_usbcharging()){
			printk("usb charging and capacity less than 0%,continue charging\n");
			low_usb_charge = true;
			return;
		}else if(!is_accharging()){
			printk("no charging and capacity less than 0%,power off\n");
			kernel_power_off();
		}
	}
#if defined(CONFIG_REBOOT_TO_POWER_OFF)
	if ((board_boot_mode() == BOOT_MODE_REBOOT) )
		if((0 == charge_status_now) && (rsoc <= 5))
			kernel_power_off();
#endif
	return;
}

Example #3

static int bq27541_battery_get_property(struct power_supply *psy,
					enum power_supply_property psp,
					union power_supply_propval *val)
{
	int ret = 0;
	
	struct bq27541_device_info *di = to_bq27541_device_info(psy);
	DBG("Enter:%s %d psp= %d\n",__FUNCTION__,__LINE__,psp);

	switch (psp)
	{
	case POWER_SUPPLY_PROP_STATUS:
		ret = bq27541_battery_status(di, val);
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
		val->intval = bq27541_battery_voltage(di);
		break;
	case POWER_SUPPLY_PROP_PRESENT:
		#if 0
		val->intval = bq27541_battery_voltage(di);
		if (psp == POWER_SUPPLY_PROP_PRESENT){
			val->intval = val->intval <= 0 ? 0 : 1;
		}
		#else
		val->intval = 1;
		#endif
		break;
	case POWER_SUPPLY_PROP_CURRENT_NOW:
		val->intval = bq27541_battery_current(di);
		break;
	case POWER_SUPPLY_PROP_CAPACITY:
		val->intval = bq27541_battery_rsoc(di);
		break;

	case POWER_SUPPLY_PROP_TEMP:
		val->intval = bq27541_battery_temperature(di);
#if defined(CONFIG_CHARGER_LIMITED_BY_TEMP)
			if(1 == charge_en_flags)
				temp_val = val->intval;
#endif

		break;

	case POWER_SUPPLY_PROP_TECHNOLOGY:
		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;	
		break;
	case POWER_SUPPLY_PROP_HEALTH:
		ret = bq27541_health_status(di, val);
		break;
	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
		ret = bq27541_battery_time(di, BQ27x00_REG_TTE, val);
		break;
	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
		ret = bq27541_battery_time(di, BQ27x00_REG_TTECP, val);
		break;
	case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
		ret = bq27541_battery_time(di, BQ27x00_REG_TTF, val);
		break;
	
	default:
		return -EINVAL;
	}

	return ret;
}