Le 01/07/2013 17:22, dr.diesel a écrit :
> Well, even with:
>
> Public hDevice As File
> Public sLine As String
>
> Public Sub Form_Open()
> hDevice = Open "/dev/usbtmc0" For Read Output Watch
> End
'Read Output' has no sense (Gambas should complain there, I will check
why it does not), it shou
Well, even with:
Public hDevice As File
Public sLine As String
Public Sub Form_Open()
hDevice = Open "/dev/usbtmc0" For Read Output Watch
End
Public Sub File_Read()
sLine = Read #hDevice, -256
Print sLine
End
It sill just times out when the form opens, without even sending any
comma
On Mon, 01 Jul 2013, dr.diesel wrote:
> Thanks again, I believe this is what is causing my problems with
> "/dev/usbtmc0"
>
> read(2) and fread(2)
> Here's another aspect you need to be aware of. The kernel offers two sets of
> system calls for file I/O, and their behavior is slightly different,
>
Le 01/07/2013 16:38, dr.diesel a écrit :
> Thanks again, I believe this is what is causing my problems with
> "/dev/usbtmc0"
>
> read(2) and fread(2)
> Here's another aspect you need to be aware of. The kernel offers two sets of
> system calls for file I/O, and their behavior is slightly different,
Thanks again, I believe this is what is causing my problems with
"/dev/usbtmc0"
read(2) and fread(2)
Here's another aspect you need to be aware of. The kernel offers two sets of
system calls for file I/O, and their behavior is slightly different,
especially when it comes to reading data. The read(
Sorry to jump in here but I was wondering if this could be caused the mode
the usb connection is opened in? The OS is not required to send the data to
usb devices at the time your program talks to the usb port. The data is
often cached for some time before being sent to the usb device. There is a
u
On Fri, 28 Jun 2013, dr.diesel wrote:
> Thanks for the help. That is basically what I've done, expect all I get:
>
> "System error #110: Connection Timed out"
>
> I get the same when I cat and echo, but I get the proper response then get
> the error:
>
> [root@dev andy]# echo *IDN?>/dev/usbtmc0
Thanks for the help. That is basically what I've done, expect all I get:
"System error #110: Connection Timed out"
I get the same when I cat and echo, but I get the proper response then get
the error:
[root@dev andy]# echo *IDN?>/dev/usbtmc0
[root@dev andy]# cat /dev/usbtmc0
Rigol Technologies
On Tue, 25 Jun 2013, dr.diesel wrote:
> Hello all,
>
> I'm trying to communicate to a Rigol spectrum analyzer, which is routed to
> /dev/usbtmc0 once connected via USB. You can easily echo and cat serial
> commands to usbtmc0 but I'd prefer to use a socket of some sort, any
> suggestions on how t
Hello all,
I'm trying to communicate to a Rigol spectrum analyzer, which is routed to
/dev/usbtmc0 once connected via USB. You can easily echo and cat serial
commands to usbtmc0 but I'd prefer to use a socket of some sort, any
suggestions on how to do this via gambas?
usbtmc0 has no port speed o
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