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List: uclinux-dev
Subject: [uClinux-dev] modem interface
From: "S. Vidhya" <s.vidhya () gdatech ! co ! in>
Date: 2003-08-29 4:06:26
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Hi all,
1.We are trying to connect a modem to the MCF5249 through a Superio Chip which \
provides a UART connectivity,
We tried to communicate with the modem through the bootloader colilo,by sending \
AT commands to that particular UART. but we are not able to receive any response \
from the modem.
2.We connected the modem to the processor's internal UART and then ran the tip \
command and the modem got connected. We were able to dial through it also.
3.Now my doubt is to make the modem work on the SuperIO's UART,what has to be \
done?how the tip program has to be altered and how can it be checked through the \
bootloader code?
I have a very faint and fuzzy idea of how to proceed next.Can anyone please throw \
light on this ?
Thanks and Regards,
S.Vidhya
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<META http-equiv=Content-Type content="text/html; charset=windows-1252">
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<DIV><FONT size=2>Hi all,</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> 1.We are trying to connect a modem to the
MCF5249 through a Superio Chip which provides a UART connectivity,</FONT></DIV>
<DIV><FONT size=2> We tried to communicate
with the modem through the bootloader colilo,by sending AT commands to that
particular UART.</FONT></DIV>
<DIV><FONT size=2> but we are not able to receive
any response from the modem.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> 2.We connected the modem to the processor's internal
UART and then ran the tip command and the modem got connected.</FONT></DIV>
<DIV><FONT size=2> We were able to dial through it
also.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> 3.Now my doubt is to make the modem work on the
SuperIO's UART,what has to be done?how the tip program has to be
altered</FONT></DIV>
<DIV><FONT size=2> and how can it be checked through the bootloader
code?</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> I have a very faint and fuzzy idea of how to
proceed next.Can anyone please throw light on this ?</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> </FONT></DIV>
<DIV><FONT size=2>Thanks and Regards,</FONT></DIV>
<DIV><FONT size=2>S.Vidhya</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> </FONT></DIV></BODY></HTML>
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