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<== Date ==> <== Thread ==>

Subject: Re: stream output not as I thoutght
From: Christoph Schroeder via Tech-talk <tech-talk@aps.anl.gov>
To: <tech-talk@aps.anl.gov>
Date: Thu, 19 Dec 2019 15:28:02 +0100
Hi,

sounds like a misconfiguration of the baud rate. The whole configuration in your startup script may look like this (adapt to your device):
drvAsynSerialPortConfigure("TESTPORT","/dev/ttyS0",0,0,0)
asynSetOption("TESTPORT", -1, "baud", "9600")
asynSetOption("TESTPORT", -1, "bits", "8")
asynSetOption("TESTPORT", -1, "parity", "none")
asynSetOption("TESTPORT", -1, "stop", "1")
asynSetOption("TESTPORT", -1, "clocal", "Y")
asynSetOption("TESTPORT", -1, "crtscts", "N")

If you are communicating between two hosts, make sure to use a null modem adapter / cable.

Best regards,
Christoph

On 12/19/19 3:09 PM, 网易邮件中心 via Tech-talk wrote:
Hi all,
    I intend to output "FA02AF" using stream.
    The IOC worked well but no effect. I checked the output using serial assistant in Win7.
    I got a indescribable string, not the FA02AF.  Actually when I echo FA02AF >/dev/ttyS0, it seems well.
    I have no idea about these. Could someone give me some advice.
mydev.proto:
_________________
Terminator=CR;
AS{
      out "FA02AF"
}

mydev.db:
__________________
record(ao,"AS")
{
    field(SCAN, "Passive")
    field(DTYP, "stream")
    field(OUT, "@mydev.proto AS $(PORT)")
}

Regards,
Li xing


 


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References:
stream output not as I thoutght 网易邮件中心 via Tech-talk

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