libftdi Archives

Subject: Re: Dropping byte 62+63 on SPI reads?

From: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Cc: "Carl-Daniel Hailfinger" <c-d.hailfinger.devel.2006@xxxxxxx>, Jeremy Buseman <naviathan@xxxxxxxxx>, Uwe Hermann <uwe@xxxxxxxxxxxxxx>
Date: Tue, 24 Nov 2009 15:52:24 +0100
Hello Carl-Daniel,

which libftdi version do yo use?

The new high speed devices send the modem status byte
every 256 bytes. The current official libftdi version
thinks it's still at the 64 byte boundary.

Might be worth a try to use the latest libftdi from git
+ the patch you can find in the "Patches applied" thread.

Also it might be a good idea to add debug code to the modem status byte 
filter code in ftdi_read_data(), maybe it filters out valid data??

Cheers,
Thomas

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