/**
* Posts update event to OpenHAB bus for "holding" type slaves
*
* @param binding ModbusBinding to get item configuration from BindingProviding
* @param registers data received from slave device in the last pollInterval
* @param itemName item to update
*/
protected void internalUpdateItem(String slaveName, InputRegister[] registers, String itemName) {
for (ModbusBindingProvider provider : providers) {
if (!provider.providesBindingFor(itemName)) {
continue;
}
ModbusBindingConfig config = provider.getConfig(itemName);
if (!config.slaveName.equals(slaveName)) {
continue;
}
String slaveValueType = modbusSlaves.get(slaveName).getValueType();
double rawDataMultiplier = modbusSlaves.get(slaveName).getRawDataMultiplier();
State newState = extractStateFromRegisters(registers, config.readRegister, slaveValueType);
/* receive data manipulation */
State newStateBoolean =
provider.getConfig(itemName).translateBoolean2State(!newState.equals(DecimalType.ZERO));
if (!UnDefType.UNDEF.equals(newStateBoolean)) {
newState = newStateBoolean;
} else if ((rawDataMultiplier != 1) && (config.getItem() instanceof NumberItem)) {
double tmpValue = ((DecimalType) newState).doubleValue() * rawDataMultiplier;
newState = new DecimalType(String.valueOf(tmpValue));
}
State currentState = config.getItemState();
if (!newState.equals(currentState)) {
eventPublisher.postUpdate(itemName, newState);
}
}
}
/** Parses configuration creating Modbus slave instances defined in cfg file {@inheritDoc} */
@Override
protected void internalReceiveCommand(String itemName, Command command) {
for (ModbusBindingProvider provider : providers) {
if (provider.providesBindingFor(itemName)) {
ModbusBindingConfig config = provider.getConfig(itemName);
ModbusSlave slave = modbusSlaves.get(config.slaveName);
slave.executeCommand(command, config.readRegister, config.writeRegister);
}
}
}
/**
* Posts update event to OpenHAB bus for "coil" type slaves
*
* @param binding ModbusBinding to get item configuration from BindingProviding
* @param registers data received from slave device in the last pollInterval
* @param item item to update
*/
protected void internalUpdateItem(String slaveName, BitVector coils, String itemName) {
for (ModbusBindingProvider provider : providers) {
if (provider.providesBindingFor(itemName)) {
ModbusBindingConfig config = provider.getConfig(itemName);
if (config.slaveName.equals(slaveName)) {
boolean state = coils.getBit(config.readRegister);
State currentState = provider.getConfig(itemName).getItemState();
State newState = provider.getConfig(itemName).translateBoolean2State(state);
if (!newState.equals(currentState)) {
eventPublisher.postUpdate(itemName, newState);
}
}
}
}
}