Re: ni-6225: bug in ni_pcimio.c ?

On Tuesday 25 September 2007 13:12, Ingmar Schoegl wrote:
> Otherwise, I did some research and found the document for the
> *preliminary* register map for the M-series boards. I found a register
> that appears to be very similar to AI_Config_FIFO_Data, which is called
> AI_Config_FIFO_Bypass. I dug through the driver source code and saw that
> both are already used (in ni_mio_common.c), albeit in different
> contexts. As AI_Config_FIFO_Bypass is able to address 128 channels
> (instead of the 64 by AI_Config_FIFO_Data), I'm wondering whether it is
> there that I should start. However, right now the bypass register is
> only used for calibration, so it would be great if anybody could give me
> some pointers on differences between addressing channels during
> calibration and regular analog input.

The bypass should be useable for single-shot input.  The ai config fifo has 
to be used if you want to setup a channel/gain list to scan through 
automatically (like if you are doing a command with multiple channels).

-- 
Frank