libftdi Archives

Subject: Re: Modem Status

From: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Tue, 17 Mar 2009 22:00:51 +0100
Hello Pierre,

Pierre Bouffard wrote:
After a hardware reset of the FT232BL, I poll the modem status and I get this value 0x7001 (unsigned short). The file ftdi.c says that the first four bits of the first byte must be 0.

"  Layout of the first byte:
    - B0..B3 - must be 0"

What does this mean when bit 0 is set at 1 instead of 0?

That is only known to FTDI, atleast the NDAed API docs don't say
anything about it. Does it only occur after a hardware reset?

Cheers,
Thomas


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