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c_tcp_master_affair.cpp
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c_tcp_master_affair.cpp
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#include "c_tcp_master_affair.h"
#include <QDebug>
#include "c_endian.h"
C_tcp_master_affair::C_tcp_master_affair(QObject *parent) : QObject(parent)
{
this->m_isIdel =true;
connect(&this->m_replytimer,&QTimer::timeout,this,&C_tcp_master_affair::slot_replyTimer);
// 启动应答超时定时器
this->m_replytimer.start(1000); //
}
void C_tcp_master_affair::slot_replyTimer()
{
if(!this->m_isIdel)
{
this->m_timerSUM+=1;
if(this->m_timerSUM>3)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
emit sig_Error(this->m_queryTrans.trans.transID,this->m_queryTrans.trans.trans.slaveAdr,this->m_queryTrans.trans.trans.funcCode,TCPmasterErr_TIMEOUT);
qDebug()<<"超时!";
}
}
}
void C_tcp_master_affair::proc_0X01_0X02(QByteArray &array)
{
array.remove(0,9);
int bytes = C_mod_protocol::bitToByes(this->m_queryTrans.trans.trans.paraSum);
if(array.size()==bytes)
{
MB_ReplyBody res = C_mod_protocol::proc_01_02(array,this->m_queryTrans.trans.trans.paraSum);
// 发送解析结果信号
emit sig_proc(this->m_queryTrans.trans.transID,this->m_queryTrans.trans.trans.slaveAdr,this->m_queryTrans.trans.trans.funcCode,res);
}
}
void C_tcp_master_affair::proc_0X03_0X04(QByteArray &array)
{
array.remove(0,9);
int bytes = this->m_queryTrans.trans.trans.paraSum*2;
if(array.size()==bytes)
{
MB_ReplyBody res = C_mod_protocol::proc_03_04(array);
emit sig_proc(this->m_queryTrans.trans.transID,this->m_queryTrans.trans.trans.slaveAdr,this->m_queryTrans.trans.trans.funcCode,res);
return;
}
}
void C_tcp_master_affair::proc_0X0F_0X10(QByteArray array)
{
array.remove(0,8);
if(array.size() == 4)
{
// 返回结果
MB_ReplyBody res;
//起始地址
res.wMulR.adr = C_endian::uint16(ORDER_BIG,array.at(0),array.at(1));
// 返回寄存器数目
res.wMulR.sum = C_endian::uint16(ORDER_BIG,array.at(2),array.at(3));
emit sig_proc(this->m_queryTrans.trans.transID,this->m_queryTrans.trans.trans.slaveAdr,this->m_queryTrans.trans.trans.funcCode,res);
}
}
void C_tcp_master_affair::sendData(QByteArray data)
{
emit sig_sendData(data);
}
void C_tcp_master_affair::queryCMD(MBRequestTransTCPEx trans)
{
enumMB_FuncCode fcode=trans.trans.trans.funcCode;
quint16 afid = trans.affairID;
quint8 devID = trans.trans.trans.slaveAdr;
quint16 sum = trans.trans.trans.paraSum;
quint16 adr = trans.trans.trans.beginAdr;
// 组帧
QByteArray fram;
// MBAP
quint8 by0;
quint8 by1;
C_endian::uint16(ORDER_BIG,afid,by0,by1); // 事务标识符
fram.append(by0);
fram.append(by1);
// MB协议标识
fram.append((char)0x00);
fram.append((char)0x00);
QByteArray PDU; // 数据
if(MB_func01==fcode ||
MB_func01==fcode ||
MB_func03==fcode ||
MB_func04==fcode)
{
PDU= C_mod_protocol::read_01020304PDU(fcode,adr,sum);
}else if(MB_func10==fcode)
{
PDU= C_mod_protocol::write_0X10(adr,sum,trans.trans.regList);
}else
{
return;
}
// 长度
C_endian::uint16(ORDER_BIG,PDU.size()+1,by0,by1);
fram.append(by0);
fram.append(by1);
fram.append(devID); // 单元标识符
// PDU
fram.append(PDU);
// 保存状态
this->m_isIdel = false;
this->m_queryTrans = trans;
// 发送请求 启动应答超时定时器
this->sendData(fram);
this->m_timerSUM=0; // 定时计数清零
QString strT;
foreach(quint8 ch,fram)
{
strT+=QString::number(ch,16);
strT+=" ";
}
qDebug()<<"SEND:"<<strT;
}
void C_tcp_master_affair::replyData(QByteArray data)
{
// 判断是否等待数据
if(this->m_isIdel)
{
return;
}
this->m_recvBuf.append(data);
QString strT;
foreach(quint8 ch,data)
{
strT+=QString::number(ch,16);
strT+=" ";
}
qDebug()<<"RECV:"<<strT;
for(;;)
{
//MBAP头
if(this->m_recvBuf.size()<7)
{
return;
}
//事务ID
quint16 temp = C_endian::uint16(ORDER_BIG,this->m_recvBuf.at(0),this->m_recvBuf.at(1));
if(temp!=this->m_queryTrans.affairID)
{
this->m_recvBuf.remove(0,1);
continue;
}
// MB协议标识符
temp = C_endian::uint16(ORDER_BIG,this->m_recvBuf.at(2),this->m_recvBuf.at(3));
if(temp!=0)
{
this->m_recvBuf.remove(0,1);
continue;
}
// 单元标识符
if((quint8)(this->m_recvBuf.at(6))!=this->m_queryTrans.trans.trans.slaveAdr)
{
this->m_recvBuf.remove(0,1);
continue;
}
// 总长度
temp = C_endian::uint16(ORDER_BIG,this->m_recvBuf.at(4),this->m_recvBuf.at(5));
if(this->m_recvBuf.size()<6+temp)
{
return;
}
//funcID
if(this->m_recvBuf.size()<8)
{
this->m_recvBuf.remove(0,1);
continue;
}
quint8 fcode = this->m_recvBuf.at(7);
//是否返回异常码
if((quint8)(fcode&0X80)==0X80)
{
// 异常码返回帧长 = 7+2=9
if(this->m_recvBuf.size()<9)
{
this->m_recvBuf.remove(0,1);
continue;
}
// 功能码检查
if((quint8)(fcode-0x80) !=this->m_queryTrans.trans.trans.funcCode)
{
this->m_recvBuf.remove(0,1); // 功能码错
continue;
}
// 解析异常码
quint8 err = (quint8)this->m_recvBuf.at(8);
TCP_Master_ErrCode errCode;
if(err>=0x01 && err<=0x0B)
{
errCode = (TCP_Master_ErrCode)err; // 类型强转
}else
{
errCode = TCPmasterErr_UNKNOW; // 未知定义
}
qDebug()<<"异常码:"<<QString::number((quint8)this->m_recvBuf.at(8),16);
emit sig_Error(this->m_queryTrans.trans.transID,this->m_queryTrans.trans.trans.slaveAdr,this->m_queryTrans.trans.trans.funcCode,errCode); // 发送错误码应答
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
// 正常返回:检查功能码
if(fcode!=this->m_queryTrans.trans.trans.funcCode)
{
this->m_recvBuf.remove(0,1);
continue;
}
if(MB_func01==fcode || MB_func02==fcode)
{
if(this->m_recvBuf.size()<9)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
quint8 bytes = (quint8)(this->m_recvBuf.at(8));
if(bytes!=C_mod_protocol::bitToByes(this->m_queryTrans.trans.trans.paraSum))
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
quint16 framLen = 9+bytes; //数据帧长
if(this->m_recvBuf.size()<framLen)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
QByteArray fram = this->m_recvBuf.left(framLen);
this->proc_0X01_0X02(fram);
}else if(MB_func03==fcode || MB_func04==fcode )
{
if(this->m_recvBuf.size()<9)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
quint8 bytes = (quint8)(this->m_recvBuf.at(8));
if(bytes!=2*this->m_queryTrans.trans.trans.paraSum)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
quint16 framLen = 9+bytes; //数据帧长
if(this->m_recvBuf.size()<framLen)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
QByteArray fram = this->m_recvBuf.left(framLen);
this->proc_0X03_0X04(fram);
}else if(MB_func0F==fcode||MB_func10==fcode)
{
quint16 framLen = 12;
if(this->m_recvBuf.size()<framLen)
{
this->m_recvBuf.clear();
this->m_isIdel = true;
return;
}
QByteArray fram = this->m_recvBuf.left(framLen);
this->proc_0X0F_0X10(fram);
}
this->m_recvBuf.clear();
this->m_isIdel = true;
}
}
bool C_tcp_master_affair::isIdel()
{
return this->m_isIdel;
}