/// <summary>
/// 发送协议内容并接收，一般方法
/// </summary>
/// <param name="content">写入的内容，使用对象数组描述</param>
/// <returns>从设备获取的字节流</returns>
public virtual async Task <byte[]> SendReceiveAsync(params object[] content)
{
if (ProtocalLinker == null || !ProtocalLinker.IsConnected)
{
await ConnectAsync();
}
if (ProtocalLinker != null)
{
return(await ProtocalLinker.SendReceiveAsync(ProtocalUnit.TranslateContent(Endian, content)));
}
return(null);
}
/// <summary>
/// 发送协议，通过传入需要使用的协议内容和输入结构
/// </summary>
/// <param name="unit">协议的实例</param>
/// <param name="content">输入信息的结构化描述</param>
/// <returns>输出信息的结构化描述</returns>
public virtual async Task <IOutputStruct> SendReceiveAsync(ProtocalUnit unit, IInputStruct content)
{
var t = 0;
var formatContent = unit.Format(content);
if (formatContent != null)
{
byte[] receiveContent;
//如果为特别处理协议的话，跳过协议扩展收缩
if (unit is ISpecialProtocalUnit)
{
receiveContent = await ProtocalLinker.SendReceiveWithoutExtAndDecAsync(formatContent);
}
else
{
receiveContent = await ProtocalLinker.SendReceiveAsync(formatContent);
}
if (receiveContent != null)
{
return(unit.Unformat(receiveContent, ref t));
}
}
return(null);
}