diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/daqboard2000.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c index 64a87039b802..2ca8d3eec742 100644 --- a/drivers/staging/comedi/drivers/daqboard2000.c +++ b/drivers/staging/comedi/drivers/daqboard2000.c @@ -43,7 +43,7 @@ Configuration options: not applicable, uses PCI auto config available from http://www.plxtech.com/products/io/pci9080 2. The initialization done so far is: - a. program the FPGA (windows code sans a lot of error messages) + a. program the FPGA (windows code sans a lot of error messages) b. 3. Analog out seems to work OK with DAC's disabled, if DAC's are enabled, @@ -52,52 +52,52 @@ Configuration options: not applicable, uses PCI auto config gives me no clues. I'll keep it simple so far. 4. Analog in. - Each channel in the scanlist seems to be controlled by four + Each channel in the scanlist seems to be controlled by four control words: - Word0: - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! | | | ! | | | ! | | | ! | | | ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Word0: + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! | | | ! | | | ! | | | ! | | | ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - Word1: - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! | | | ! | | | ! | | | ! | | | ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Word1: + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! | | | ! | | | ! | | | ! | | | ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | | | | | | - +------+------+ | | | | +-- Digital input (??) + +------+------+ | | | | +-- Digital input (??) | | | | +---- 10 us settling time | | | +------ Suspend acquisition (last to scan) | | +-------- Simultaneous sample and hold | +---------- Signed data format +------------------------- Correction offset low - Word2: - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! | | | ! | | | ! | | | ! | | | ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | | | | | | | | | | - +-----+ +--+--+ +++ +++ +--+--+ - | | | | +----- Expansion channel + Word2: + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! | | | ! | | | ! | | | ! | | | ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | | | | | | | | | | + +-----+ +--+--+ +++ +++ +--+--+ + | | | | +----- Expansion channel | | | +----------- Expansion gain - | | +--------------- Channel (low) + | | +--------------- Channel (low) | +--------------------- Correction offset high +----------------------------- Correction gain low - Word3: - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! | | | ! | | | ! | | | ! | | | ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | | | | | | | | | - +------+------+ | | +-+-+ | | +-- Low bank enable - | | | | | +---- High bank enable - | | | | +------ Hi/low select + Word3: + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! | | | ! | | | ! | | | ! | | | ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | | | | | | | | | + +------+------+ | | +-+-+ | | +-- Low bank enable + | | | | | +---- High bank enable + | | | | +------ Hi/low select | | | +---------- Gain (1,?,2,4,8,16,32,64) | | +-------------- differential/single ended | +---------------- Unipolar +------------------------- Correction gain high 999. The card seems to have an incredible amount of capabilities, but - trying to reverse engineer them from the Windows source is beyond my + trying to reverse engineer them from the Windows source is beyond my patience. */ |