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RS232 to Vmix through tcp/ip server - Using a 232 as data surce
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lbandrade  
#1 Posted : Wednesday, February 12, 2020 9:36:13 PM(UTC)
lbandrade

Rank: Newbie

Groups: Registered
Joined: 12/18/2019(UTC)
Posts: 3
Brazil
Location: Rio das Ostras
Hi,

I`m trying to use a RS232 input as a data surce JSON.

I`m encoding the serial string as this to be in json style: {"name":"***"}

Passing this string to a Serial-TCP who create a localhost with that string.

But on Vmix when I select Json and use the url http:/10.20.36.10:1001 I got the following error: The server committed a protocol violation.

Is there any thing that I could do to fix this issue?Vmix is blocked to accept unsecure url?

Thank you all.
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MartLeib  
#2 Posted : Wednesday, February 12, 2020 9:55:17 PM(UTC)
MartLeib

Rank: Advanced Member

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Joined: 2/23/2017(UTC)
Posts: 189
Estonia

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First of all, your JSON will not work with vMix. You need object inside array. Like so:

Code:
[
    {
        "name":"***"
    }
]



If you want to have more than 1 entry, you just add objects:

Code:
[
    {
        "name":"***"
    },
    {
        "name":"###"
    }
]


Could you share output of the http:/10.20.36.10:1001 when you open it in the browser? Does Chrome open it nicely, if it does without errors, this should not be HTTPS/HTTP case.

Probably related to your software not providing correct headers.
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lbandrade  
#3 Posted : Wednesday, February 12, 2020 10:04:50 PM(UTC)
lbandrade

Rank: Newbie

Groups: Registered
Joined: 12/18/2019(UTC)
Posts: 3
Brazil
Location: Rio das Ostras
Hi, thank you for your response

I change the string to :


[{ "name":"***" }]


like you told.

Sorry I type the wrong IP the correct is http://10.20.36.125:1001/
I`m trying to connect on the browser but with no success:

ERR_INVALID_HTTP_RESPONSE

No connction.PNG (14kb) downloaded 0 time(s).

I`m testing with the CommFront Serial-TCP program to generate the server.
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MartLeib  
#4 Posted : Wednesday, February 12, 2020 10:42:16 PM(UTC)
MartLeib

Rank: Advanced Member

Groups: Registered
Joined: 2/23/2017(UTC)
Posts: 189
Estonia

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Was thanked: 52 time(s) in 42 post(s)
I believe that this software does not work as you need it to work. It probably creates TCP server which vMix can not use. vMix needs HTTP server for data source.

I have used Node.JS for serial reading and express for outputting that data on the HTTP server. You may contact me at mart.leib.estonia@gmail.com
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