Example usage for io.netty.buffer ByteBuf writeByte

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf writeByte.

Prototype

public abstract ByteBuf writeByte(int value);

Source Link

Document

Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer.

Usage

From source file:com.digitalpetri.modbus.codec.ModbusRequestEncoder.java

License:Apache License

public ByteBuf encodeWriteSingleCoil(WriteSingleCoilRequest request, ByteBuf buffer) {
    buffer.writeByte(request.getFunctionCode().getCode());
    buffer.writeShort(request.getAddress());
    buffer.writeShort(request.getValue());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusRequestEncoder.java

License:Apache License

public ByteBuf encodeWriteSingleRegister(WriteSingleRegisterRequest request, ByteBuf buffer) {
    buffer.writeByte(request.getFunctionCode().getCode());
    buffer.writeShort(request.getAddress());
    buffer.writeShort(request.getValue());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusRequestEncoder.java

License:Apache License

public ByteBuf encodeWriteMultipleCoils(WriteMultipleCoilsRequest request, ByteBuf buffer) {
    buffer.writeByte(request.getFunctionCode().getCode());
    buffer.writeShort(request.getAddress());
    buffer.writeShort(request.getQuantity());

    int byteCount = (request.getQuantity() + 7) / 8;
    buffer.writeByte(byteCount);// ww w .  jav  a2  s.c  om

    buffer.writeBytes(request.getValues(), byteCount);

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusRequestEncoder.java

License:Apache License

public ByteBuf encodeWriteMultipleRegisters(WriteMultipleRegistersRequest request, ByteBuf buffer) {
    buffer.writeByte(request.getFunctionCode().getCode());
    buffer.writeShort(request.getAddress());
    buffer.writeShort(request.getQuantity());

    int byteCount = request.getQuantity() * 2;
    buffer.writeByte(byteCount);/*from   w w w  .  jav a 2 s  .  co  m*/

    buffer.writeBytes(request.getValues(), byteCount);

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusRequestEncoder.java

License:Apache License

public ByteBuf encodeMaskWriteRegister(MaskWriteRegisterRequest request, ByteBuf buffer) {
    buffer.writeByte(request.getFunctionCode().getCode());
    buffer.writeShort(request.getAddress());
    buffer.writeShort(request.getAndMask());
    buffer.writeShort(request.getOrMask());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusResponseEncoder.java

License:Apache License

private ByteBuf encodeExceptionResponse(ExceptionResponse response, ByteBuf buffer) {
    buffer.writeByte(response.getFunctionCode().getCode() + 0x80);
    buffer.writeByte(response.getExceptionCode().getCode());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusResponseEncoder.java

License:Apache License

private ByteBuf encodeReadCoils(ReadCoilsResponse response, ByteBuf buffer) {
    buffer.writeByte(response.getFunctionCode().getCode());
    buffer.writeByte(response.getCoilStatus().readableBytes());
    buffer.writeBytes(response.getCoilStatus());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusResponseEncoder.java

License:Apache License

private ByteBuf encodeReadDiscreteInputs(ReadDiscreteInputsResponse response, ByteBuf buffer) {
    buffer.writeByte(response.getFunctionCode().getCode());
    buffer.writeByte(response.getInputStatus().readableBytes());
    buffer.writeBytes(response.getInputStatus());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusResponseEncoder.java

License:Apache License

private ByteBuf encodeReadHoldingRegisters(ReadHoldingRegistersResponse response, ByteBuf buffer) {
    buffer.writeByte(response.getFunctionCode().getCode());
    buffer.writeByte(response.getRegisters().readableBytes());
    buffer.writeBytes(response.getRegisters());

    return buffer;
}

From source file:com.digitalpetri.modbus.codec.ModbusResponseEncoder.java

License:Apache License

private ByteBuf encodeReadInputRegisters(ReadInputRegistersResponse response, ByteBuf buffer) {
    buffer.writeByte(response.getFunctionCode().getCode());
    buffer.writeByte(response.getRegisters().readableBytes());
    buffer.writeBytes(response.getRegisters());

    return buffer;
}