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Index > MenuetOS > Sending signals thru the Serial port under MeOS

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Leonard



Joined: 28 Sep 2004
Posts: 3
Location: Ghana
Leonard
Hi folks. I'm trying to send signals thru the serial port. I don't know whether i'm doing something wrong, but at the initializing stage, immediately i give the OUT instruction to, say, write the initializing byte to the Line Control Register, my software shuts down. i use port 0x3fb. Could i please have a solution or a reason, thanks.
Post 22 Oct 2004, 12:09
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Mike Hibbett



Joined: 02 Sep 2003
Posts: 88
Location: UK
Mike Hibbett
Leonard wrote:
Hi folks. I'm trying to send signals thru the serial port. I don't know whether i'm doing something wrong, but at the initializing stage, immediately i give the OUT instruction to, say, write the initializing byte to the Line Control Register, my software shuts down. i use port 0x3fb. Could i please have a solution or a reason, thanks.


Are you reserving the port access?

Take a look at ppp.asm, that writes to the serial port.
Or terminal.asm.

Cheers,

Mike.
Post 22 Oct 2004, 12:21
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