/// <summary>
/// 数据包管理器初始化
/// </summary>
/// <param name="data">需要打包的数据</param>
/// <param name="len">数据长度</param>
/// <param name="startHeader">开始字符</param>
public XmodePacketManager(byte[] data, int len, XmodeStartHeader startHeader)
{
int validDataLen = 128;
if (XmodeStartHeader.SOH == startHeader)
{
validDataLen = 128;
}
else if (XmodeStartHeader.STX == startHeader)
{
validDataLen = 1024;
}
else
{
throw new Exception("XmodePacketManager:错误头长度");
}
if (data.Length < len)
{
throw new Exception("XmodePacketManager:数据长度小于所需长度");
}
if (len > 255 * validDataLen)
{
throw new Exception("XmodePacketManager:数据长度超过一次传输的最大长度");
}
packetList = new List <XmodePacket>();
int fullLen = len / validDataLen;
int remainLen = len % validDataLen;
for (int i = 0; i < fullLen; i++)
{
var array = new byte[validDataLen];
Array.Copy(data, i * validDataLen, array, 0, validDataLen);
var packet = new XmodePacket(startHeader, (byte)(i + 1), data, validDataLen);
packetList.Add(packet);
}
if (remainLen != 0)
{
var dataArray = new byte[remainLen];
Array.Copy(data, fullLen * validDataLen, dataArray, 0, remainLen);
var packet = new XmodePacket(startHeader, (byte)(fullLen + 1), data, remainLen);
packetList.Add(packet);
}
}
/// <summary>
/// 发送数据包
/// </summary>
/// <param name="packet">数据包</param>
private void sendData(XmodePacket packet)
{
sendDataDelegate(packet.PacketData);
}
