The data uploaded by the underlying device is a:00000000; if Va1 is alarmed, the uploaded data is a:00000001

Hello Debbie,
It would be helpful to know the data your device is sending.
Dirk
On 11.09.2018 09:49, [email protected] wrote:
> Hi everyone，
> An IOC will have a device connected via Asyn+StreamDevice. The equipment
> is self-developed. The protocol is very simple,and the data is
> automatically uploaded. IOC compilation has no problems. But only one PV
> variable has a return value.
>
>     The protocol file is as follows：
>       Terminator = CR;
> get {
>                in
>  "%*c:%(\$8.VAL)c%(\$7.VAL)c%(\$6.VAL)c%(\$5.VAL)c%(\$4.VAL)c%(\$3.VAL)c%(\$2.VAL)c%c";
>
>     }
>
>
> The db file is as follows：
>
>        record(stringin,"Va1")
>       {
>           field(SCAN,"5 second")
>           field(DTYP,"stream")
>           field(INP, "@devLeak.proto get(a,Va8,Va7,Va6,Va5,Va4,Va3,Va2)
> $(Port) $(Addr)")
>       }
>
>       record(stringin,"Va2")
>      {
>       }
>
>      record(stringin,"Va3")
>     {
>      }
>
>      record(stringin,"Va4")
>     {
>      }
>
>     record(stringin,"Va5")
>    {
>     }
>
>     record(stringin,"Va6")
>    {
>     }
>
>     record(stringin,"Va7")
>   {
>    }
>
>    record(stringin,"Va8")
>   {
>    }
>
> During the test, only Va1 has a return value, but sometimes the return
> value of Va1 is reflected in Va3. Test record is as follows：
> [root@localhost devLeak]# camonitor Va1
> Va1                            2018-09-11 08:58:08.420435 0
> Va1                            2018-09-11 09:46:39.943368 *** disconnected
> CA.Client.Exception...............................................
>     Warning: "Virtual circuit disconnect"
>     Context: "localhost:5064"
>     Source File: ../cac.cpp line 1214
>     Current Time: Tue Sep 11 2018 09:46:39.943325761
> ..................................................................
> Va1                            2018-09-11 09:47:16.571558 0
> Va1                            2018-09-11 09:52:26.576883 1
> Va1                            2018-09-11 10:12:26.598784 0
>
>
> --------------------------------------------------------------------------------------------------
>
>
> [root@localhost devLeak]# camonitor Va3
> Va3                            2018-09-11 08:58:23.420664 0
> Va3                            2018-09-11 09:02:03.424510 1
> Va3                            2018-09-11 09:02:33.425080 0
> Va3                            2018-09-11 09:46:39.943488 *** disconnected
> CA.Client.Exception...............................................
>     Warning: "Virtual circuit disconnect"
>     Context: "localhost:5064"
>     Source File: ../cac.cpp line 1214
>     Current Time: Tue Sep 11 2018 09:46:39.943456337
> ..................................................................
> Va3                            <undefined>  UDF INVALID
> Va3                            2018-09-11 09:47:16.571506 0
>
> --------------------------------------------------------------------------------------------------
>
>
> [root@localhost devLeak]# camoitor Va6
> bash: camoitor: command not found
> [root@localhost devLeak]# camonitor Va6
> Va6                            2018-09-11 08:58:48.421098 0
> Va6                            2018-09-11 09:46:39.943463 *** disconnected
> CA.Client.Exception...............................................
>     Warning: "Virtual circuit disconnect"
>     Context: "localhost:5064"
>     Source File: ../cac.cpp line 1214
>     Current Time: Tue Sep 11 2018 09:46:39.943431255
> ..................................................................
> Va6                            2018-09-11 09:47:21.571481 0
>
>
> Since there are no compilation errors or warnings, I can't find the
> problem.
>
> Regards, Debbie，IMP epics base R3.14.12.2 stream 2.6 asyn 4.30 linux-x86
>
>