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//==============================================
//获取profinet网络已组态站信息
//==============================================
//MODE:0自动辨识是获取组态信息还是错误信息
//MODE:1获取IO 设备从站已组态
//MODE:2获取IO 设备 从站故障
//MODE:3获取IO 设备 从站已禁用
//MODE:4获取IO 设备 从站存在
//MODE:5获取IO 设备 从站出现问题
//==============================================
//站点状态字节位含义
//.X0:站点已组态，MODE=1;
//.X1:站点故障,MODE=2,
//.X2:站点禁用,MODE=3,
//.X3:站点存在,MODE=4;
//.X4:站点出现问题,MODE=5;
//=============================================
//DaigID:
//1~96:PROFINET站点故障
//99:MODE大于5
//98:DrviceStates程序调用错误
//97:RD_SINFO程序调用错误
//==============================================

//设置DrviceStates的MODE,如果MODE为0采用自动判断模式类型
IF #mode = 0 THEN
    //获取调用FB的组织块信息
    #teSINFO_RET_VAL := RD_SINFO(TOP_SI => #stSI_Top, START_UP_SI => #stSI_Startup);
    IF #teSINFO_RET_VAL <> 0 THEN
        #teDiagID := 0;
        GOTO ERROR;
    ELSE
        //如果调用块为OB100那么获取组态信息，其它情况获取故障信息
        IF #stSI_Top.OB_Nr = 100 THEN
            #teMode := 1;
        ELSE
            #teMode := 2;
        END_IF;
    END_IF;
ELSE
    IF #mode > 5 THEN
        #teDiagID := 0;
        GOTO ERROR; //大于5为错误;
    ELSE
        #teMode := #mode;
    END_IF;
END_IF;

//获取PROFINET网络设备状态
#teDeviceStatesRET_VAL := DeviceStates(LADDR := #laddr,
                             MODE := #teMode,
                             STATE := #stDeviceStates);

IF #teDeviceStatesRET_VAL <> 0 THEN
    #teDiagID := 0;
    GOTO ERROR;
END_IF;

//将获取的设备位状态转化为字节状态
//获取数组的下限
#teLower := LOWER_BOUND(ARR := #deviceStates, DIM := 1);
//获取数组的上限
#teUpper := UPPER_BOUND(ARR := #deviceStates, DIM := 1);

CASE #teMode OF
    1:  //.X0:站点已组态，MODE=1;
        FOR #teN := #teLower TO #teUpper DO
            #deviceStates[#teN].%X0 := #stDeviceStates[#teN];
        END_FOR;
    2:  //.X1:站点故障,MODE=2,
        #teErrDeviceNr := 0;
        FOR #teN := #teLower TO #teUpper DO
            //将故障位转化为字节标志
            #deviceStates[#teN].%X1 := #stDeviceStates[#teN];
            //如果某一个站有故障记录其站号
            //0号站（主站）不进行判断 AND 相应的站点故障状态为1 AND 已经获取到第一个错误站点地址后不进行判断
            IF #teN<>0 AND #stDeviceStates[#teN] AND #teErrDeviceNr = 0 THEN
                #teErrDeviceNr := #teN;
            END_IF;
        END_FOR;
        
        IF #teErrDeviceNr <> 0 THEN
            #teDiagID := #teErrDeviceNr;
            GOTO ERROR;
        END_IF;
        
    3:  //.X2:站点禁用,MODE=3,
        FOR #teN := #teLower TO #teUpper DO
            #deviceStates[#teN].%X2 := #stDeviceStates[#teN];
        END_FOR;
    4:  //.X3:站点存在,MODE=4;
        FOR #teN := #teLower TO #teUpper DO
            #deviceStates[#teN].%X3 := #stDeviceStates[#teN];
        END_FOR;
    5:  //.X4:站点出现问题,MODE=5;
        FOR #teN := #teLower TO #teUpper DO
            #deviceStates[#teN].%X4 := #stDeviceStates[#teN];
        END_FOR;
    ELSE
        #teDiagID := 0;
        GOTO ERROR;
END_CASE;

#err := FALSE;
#errID := 0;
#diagID := 0;
RETURN;

ERROR:
#err := TRUE;
#errID := #progID;
#diagID := #teDiagID;