It is recommended to connect
Hyperterminal/Teraterm or any standard terminal program to the MDM JTAG UART
rather than the simple TCL terminal that XMD opens. This can be done by issuing
This opens up a TCP port at
<portno> to which you can connect your terminal program. Thus you can get
standard terminal behavior via MDM UART. Please try this to see if it helps.
From: owner-microblaze-uclinux@xxxxxxxxxxxxxx [mailto:owner-microblaze-uclinux@xxxxxxxxxxxxxx] On Behalf Of Greg Miller
Sent: Friday, October 19, 2007
Subject: Re: [microblaze-uclinux]
opb_mdm JTAG Uart -- No input
thanks. I figured as much, but wanted to see if anyone had got it
Greg Miller wrote:
> is there an issue with OPB-MDM? I saw a post a while back, but really no
> info. They MDM works OK with non-OS, but when building UCLinux, you get
> an output but you cannot do any input.
> Is there a workaround for this?
Last time I tried it, the terminal capabilities in XMD were pretty
broken - fine for output but not much use for input.
From memory, XMD doesn't send your input until you press enter, for
example. It also does local echo. Getting sensible linux driver
support in that kind of model is always going to be tough.
Anyway can you be more specific about what works and what doesn't? No
input at all, or some, or,...
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