Re: error: serial: Error opening the interface

[John Donoghue]

On 9/8/19 8:38 AM, address@hidden wrote:
> Message: 4
> Date: Sun, 8 Sep 2019 02:29:32 +0000
> From:<address@hidden>
> To:<address@hidden>
> Subject: error: serial: Error opening the interface: The system cannot
>         find the file specified.
> Message-ID:
>         <address@hidden>
>         
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> I have Octave GNU 5.1.0 and I’m having some problem to communicate with a 
> serial port.
> In the code, I do:
>
> pkg list
> pkg load instrument-control
> pkg list
> which serial
> s = serial('COM11', 115200)
>
> On the Command window, I can read a table of packages
> ൩Package Name         | Version | Installation directory
> In particular,
> instrument-control *|   0.3.1 | 
> ...\mingw64\share\octave\packages\instrument-control-0.3.1
> 'serial' is a function from the file 
> C:\Octave\OCTAVE~1.0\mingw64\lib\octave\packages\instrument-cont
> rol-0.3.1\x86_64-w64-mingw32-api-v53\serial.oct
> but, after s = serial('COM11', 115200),  I have:
> error: serial: Error opening the interface: The system cannot find the file 
> specified.
>
> Can you please help with that? What am I missing? Thanks a lot for your support
>
> Regards
> Odette


Serial ports in windows that are greater than COM9 need the full path name

See [1]


[1] 
https://wiki.octave.org/Instrument_control_package#Example:_Windows.2C_serial_port_.3ECOM9