protected ReadValueInfo HandleReadValueFrame(byte[] frame)
{
ReadValueInfo info = new ReadValueInfo(frame);
ReturnMessage returnCode = CheckFrame(info);
if (returnCode != ReturnMessage.Success)
{
info.ReturnValue = returnCode;
return(info);
}
Array.Copy(frame, 3, info.ValueData, 0, 4); //拷贝返回的块中的数据
info.ReturnValue = ReturnMessage.Success;
return(info);
}
/// <summary>
/// 读取钱包数据块（值块）的值
/// </summary>
/// <param name="blockNum">钱包数据块（值块）的绝对块号</param>
/// <returns></returns>
public async Task <ReadValueInfo> ReadValueAsync(byte blockNum)
{
byte[] frame = CreateReadValueFrame(blockNum);
CommunicationReturnInfo cri = await com.SendAsync(frame);
if (cri.ReturnValue != ReturnMessage.Success)
{
ReadValueInfo ib = new ReadValueInfo();
ib.SendByte = frame;
ib.ReturnValue = cri.ReturnValue;
ib.ExceptionMessage = cri.ExceptionMessage;
return(ib);
}
ReadValueInfo info = HandleReadValueFrame(cri.RecvByte);
info.SendByte = frame;
return(info);
}