Re: [ts-7000] Re: TS7280 - USB to serial converter

[David Smead <>]

Use minicom.

On Thu, Jan 21, 2010 at 3:27 PM, tsao.terence <> wrote:

 

--- In ts-7000%40yahoogroups.com, Jim Jackson <> wrote:
>
>
>
>
> On Thu, 21 Jan 2010, tsao.terence wrote:
>
> >
> >
> > --- In ts-7000%40yahoogroups.com, "tsao.terence" <tsao.terence@> wrote:
> >>
> >> Hi all,
> >>
> >> One aspect of my project is to use a TS7280 to interface with a
> >> short range 2.4GHz 802.11 radio card via the UART interface. The
> >> transfer rate of the radio card is around 1Mbps, but the maximum baud
> >> rate for the uart is only 230Kbps.
> >>
> >> I will like to upscale that rate to match the radio card. One solution
> >> that I thought of was to have a USB to serial converter, therefore the
> >> radio card will be connected with a serial port of the converter, and
> >> the converter will be plugged into the USB port of TS7280. The data
> >> sheet of my USB to serial converter guarantees 1Mbps transfer rate.
> >>
> >> What do you guys think of that idea?
> >>
> >> Thanks!
> >>
> > I guess the problem will be do I have the read/write control for the USB
> > port? like in windows, I can use teraterm and log the data which i
> > output. But can I do that for unix?
> >
>
> ...or even linux.
>
> Usually[1] a supported usb/serial gizmo will end up with a serial device[2]
> being created that can be used like any other serial device. The
> linux kernel ensures serial device interfaces are essential equal.
> Programming serial devices is a FAQ and the same for linux wherever it
> runs[3].
>
> I usually advise people to run a linux desktop - do their developemnt there
> and get used to the linux environment. You can develop your app. on the
> desktop then recompile it for sbc.
>
> [1] not all usb/serial devices are necessarily supported - do your research
> before buying
>
> [2] that's a unix/linux type device - i.e. an interface in the filesystem
> that gives access to kernel device drivers. for these devices usually
> something like /dev/ttyUSB0 or similar.
>
> [3] google is your friend or search the archives for this group
>
> Jim
> p.s. while I appreciate learning a new environment can be a bit daunting,
> undertaking some initial research/delving yourself
> before asking questions may focus those questions into specifics
> about the TS products (the purpose of this list) and elicit more help
> from the busy guys on this list.
>
I understand your points Jim, I know that I will have the access to /dev/ttyUSB0, and how do I read or write from that device? Do I have to write a program that handles read/write? How do i get data from /dev/ttyUSB0?

Thanks!

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