io.openems.edge.bridge.modbus.api

Class AbstractModbusBridge

java.lang.Object

io.openems.edge.common.component.AbstractOpenemsComponent

io.openems.edge.bridge.modbus.api.AbstractModbusBridge

All Implemented Interfaces:

BridgeModbus, OpenemsComponent, org.osgi.service.event.EventHandler

Direct Known Subclasses:

BridgeModbusSerialImpl, BridgeModbusTcpImpl

public abstract class AbstractModbusBridge
extends AbstractOpenemsComponent
implements BridgeModbus, org.osgi.service.event.EventHandler

Abstract service for connecting to, querying and writing to a Modbus device.

Nested Class Summary

Nested classes/interfaces inherited from interface io.openems.edge.bridge.modbus.api.BridgeModbus

BridgeModbus.ChannelId

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	DEFAULT_RETRIES Default Modbus retries.
protected static int	DEFAULT_TIMEOUT Default Modbus timeout in [ms].

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractModbusBridge(ChannelId[] firstInitialChannelIds, ChannelId[]... furtherInitialChannelIds)

Method Summary

Modifier and Type	Method and Description
protected void	activate(org.osgi.service.component.ComponentContext context, java.lang.String id, java.lang.String alias, boolean enabled, LogVerbosity logVerbosity, int invalidateElementsAfterReadErrors)
void	addProtocol(java.lang.String sourceId, ModbusProtocol protocol) Adds the protocol.
abstract void	closeModbusConnection() Closes the Modbus connection.
protected void	deactivate() Handles @Deactivate of implementations.
LogVerbosity	getLogVerbosity()
abstract com.ghgande.j2mod.modbus.io.ModbusTransaction	getNewModbusTransaction() Creates a new Modbus Transaction on an open Modbus connection.
void	handleEvent(org.osgi.service.event.Event event)
int	invalidateElementsAfterReadErrors() After how many errors should a element be invalidated?.
protected void	logError(org.slf4j.Logger log, java.lang.String message) Log an error message including the Component ID.
void	logInfo(org.slf4j.Logger log, java.lang.String message) Log an info message including the Component ID.
protected void	logWarn(org.slf4j.Logger log, java.lang.String message) Log a warn message including the Component ID.
void	removeProtocol(java.lang.String sourceId) Removes the protocol.

Methods inherited from class io.openems.edge.common.component.AbstractOpenemsComponent

_channel, activate, addChannel, addChannels, addChannels, alias, channels, getComponentContext, id, isEnabled, logDebug, modified, removeChannel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.openems.edge.bridge.modbus.api.BridgeModbus

_setCycleTimeIsTooShort, _setExecutionDuration, _setSlaveCommunicationFailed, getCycleTimeIsTooShort, getCycleTimeIsTooShortChannel, getExecutionDuration, getExecutionDurationChannel, getSlaveCommunicationFailed, getSlaveCommunicationFailedChannel

Methods inherited from interface io.openems.edge.common.component.OpenemsComponent

_channel, _getChannelAs, alias, channel, channel, channels, debugLog, getComponentContext, getModbusSlaveNatureTable, getState, getStateChannel, hasFaults, id, isEnabled, serviceFactoryPid, servicePid, updateConfigurationProperty, updateReferenceFilter

Field Detail

DEFAULT_TIMEOUT

protected static final int DEFAULT_TIMEOUT

Default Modbus timeout in [ms].

Modbus library default is 3000 ms

See Also:

Constant Field Values

DEFAULT_RETRIES

protected static final int DEFAULT_RETRIES

Default Modbus retries.

Modbus library default is 5

See Also:

Constant Field Values

Constructor Detail

AbstractModbusBridge

protected AbstractModbusBridge(ChannelId[] firstInitialChannelIds,
                               ChannelId[]... furtherInitialChannelIds)

Method Detail

activate

protected void activate(org.osgi.service.component.ComponentContext context,
                        java.lang.String id,
                        java.lang.String alias,
                        boolean enabled,
                        LogVerbosity logVerbosity,
                        int invalidateElementsAfterReadErrors)

deactivate

protected void deactivate()

Description copied from class: AbstractOpenemsComponent

Handles @Deactivate of implementations. Prints log output.

Overrides:

deactivate in class AbstractOpenemsComponent

addProtocol

public void addProtocol(java.lang.String sourceId,
                        ModbusProtocol protocol)

Adds the protocol.

Specified by:

addProtocol in interface BridgeModbus

Parameters:

sourceId - Component-ID of the source

protocol - the ModbusProtocol

removeProtocol

public void removeProtocol(java.lang.String sourceId)

Removes the protocol.

Specified by:

removeProtocol in interface BridgeModbus

Parameters:

sourceId - Component-ID of the source

handleEvent

public void handleEvent(org.osgi.service.event.Event event)

Specified by:

handleEvent in interface org.osgi.service.event.EventHandler

getNewModbusTransaction

public abstract com.ghgande.j2mod.modbus.io.ModbusTransaction getNewModbusTransaction()
                                                                               throws OpenemsException

Creates a new Modbus Transaction on an open Modbus connection.

Returns:

the Modbus Transaction

Throws:

OpenemsException - on error

closeModbusConnection

public abstract void closeModbusConnection()

Closes the Modbus connection.

getLogVerbosity

public LogVerbosity getLogVerbosity()

logInfo

public void logInfo(org.slf4j.Logger log,
                    java.lang.String message)

Description copied from class: AbstractOpenemsComponent

Log an info message including the Component ID.

Overrides:

logInfo in class AbstractOpenemsComponent

Parameters:

log - the Logger instance

message - the message

logWarn

protected void logWarn(org.slf4j.Logger log,
                       java.lang.String message)

Description copied from class: AbstractOpenemsComponent

Log a warn message including the Component ID.

Overrides:

logWarn in class AbstractOpenemsComponent

Parameters:

log - the Logger instance

message - the message

logError

protected void logError(org.slf4j.Logger log,
                        java.lang.String message)

Description copied from class: AbstractOpenemsComponent

Log an error message including the Component ID.

Overrides:

logError in class AbstractOpenemsComponent

Parameters:

log - the Logger instance

message - the message

invalidateElementsAfterReadErrors

public int invalidateElementsAfterReadErrors()

After how many errors should a element be invalidated?.

Returns:

value