[fpc-pascal] Ethernet Relays

[James Richters]

I got this working, thanks for the advice Ched, 

Here's my test program:
uses  fphttpclient;
Begin
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/01');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/03');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/05');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/07');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/43');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/09');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/11');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/13');
TFPHTTPCLIENT.SIMPLEGET('http://10.10.01.01/30000/15');
End.

I have to give it a command to go the next page for some reason or relays 5-8 won't work... so now I'm wondering if there is a way I can retrieve the data that is normally displayed in my browser to I can see what page number I'm on,  I could also then check the status of the relays as well by analyzing what I read.

James

-----Original Message-----
From: fpc-pascal <fpc-pascal-bounces at lists.freepascal.org> On Behalf Of James Richters
Sent: Sunday, May 24, 2020 3:41 PM
To: 'FPC-Pascal users discussions' <fpc-pascal at lists.freepascal.org>
Cc: 'Ched' <charles.edouard.des.vastes.vignes at gmail.com>
Subject: Re: [fpc-pascal] Ethernet Relays

Thanks!!  
I'm happy with http, I should have mentioned I'm on Windows 10, any issues with that unit under windows?  

James

-----Original Message-----
From: fpc-pascal <fpc-pascal-bounces at lists.freepascal.org> On Behalf Of Ched via fpc-pascal
Sent: Sunday, May 24, 2020 3:02 PM
To: fpc-pascal at lists.freepascal.org
Cc: Ched <charles.edouard.des.vastes.vignes at gmail.com>
Subject: Re: [fpc-pascal] Ethernet Relays

Hello James,

You'll find a source of happiness with unit fphttpclient .
Particularily with the simplget function:

TFPHTTPCLIENT.SIMPLEGET('http://192.168.1.4/30000/00')

It is said that it works with https also, but under the Mageia7 distro, you probably encounter problems I haven't yet solved. But for http, that should be right.

Cheers, Ched




Le 24.05.20 à 18:46, James Richters a écrit :
> Does anyone have any advice on how to get started sending commands from FPC to use these ethernet relays:
> 
> https://www.amazon.com/gp/product/B076CNJNFH
> 
> 
> Default IP :192.168.1.4       prot:30000        http://192.168.1.4/30000
> 
> HTTP Comment:
> http://192.168.1.4/30000/00 : Relay-01 OFF
> http://192.168.1.4/30000/01 : Relay-01 ON
> http://192.168.1.4/30000/02 : Relay-02 OFF
> http://192.168.1.4/30000/03 : Relay-02 ON
> http://192.168.1.4/30000/04 : Relay-03 OFF
> http://192.168.1.4/30000/05 : Relay-03 ON ...
> http://192.168.1.4/30000/14 : Relay-8 OFF
> http://192.168.1.4/30000/15 : Relay-8 ON
> http://192.168.1.4/30000/41 : Enter
> http://192.168.1.4/30000/40 : Exit
> http://192.168.1.4/30000/42 : Next Page
> http://192.168.1.4/30000/43 : Next Page
> 
> I don't really know what I even need to do to send commands like that over the network.  Of course I can get it to work just typing the commands from a browser but that's not what I want, I want my FPC console program to send the appropriate commands whenever I want one of the relays to come on or go off.
> 
> Any suggestions on how this might be accomplished?
> 
> James
> 
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