>From 843d038eec5ac2c59d3138f19ae52828098c7d50 Mon Sep 17 00:00:00 2001 From: Dennis Chen <barracks510@xxxxxxxxx> Date: Fri, 5 Jun 2015 15:42:37 -0700 Subject: [PATCH] Staging: comedi: daqboard2000: fixed whitespace coding style issue Fixed whitespace coding style issue. Signed-off-by: Dennis Chen <barracks510@xxxxxxxxx> --- drivers/staging/comedi/drivers/daqboard2000.c | 112 +++++++++++++------------- 1 file changed, 56 insertions(+), 56 deletions(-) diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c index f97d18d..b2c6bc6 100644 --- a/drivers/staging/comedi/drivers/daqboard2000.c +++ b/drivers/staging/comedi/drivers/daqboard2000.c @@ -32,72 +32,72 @@ http://www.comedi.org in the comedi_nonfree_firmware tarball. Configuration options: not applicable, uses PCI auto config */ /* - This card was obviously never intended to leave the Windows world, - since it lacked all kind of hardware documentation (except for cable - pinouts, plug and pray has something to catch up with yet). - - With some help from our swedish distributor, we got the Windows sourcecode - for the card, and here are the findings so far. - - 1. A good document that describes the PCI interface chip is 9080db-106.pdf - 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) - b. - - 3. Analog out seems to work OK with DAC's disabled, if DAC's are enabled, - you have to output values to all enabled DAC's until result appears, I - guess that it has something to do with pacer clocks, but the source - 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 - control words: - - Word0: - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! | | | ! | | | ! | | | ! | | | ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - - Word1: - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! | | | ! | | | ! | | | ! | | | ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + This card was obviously never intended to leave the Windows world, + since it lacked all kind of hardware documentation (except for cable + pinouts, plug and pray has something to catch up with yet). + + With some help from our swedish distributor, we got the Windows + sourcecode for the card, and here are the findings so far. + + 1. A good document that describes the PCI interface chip is + 9080db-106.pdf 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) + b. + + 3. Analog out seems to work OK with DAC's disabled, if DAC's are + enabled, you have to output values to all enabled DAC's until result + appears, I guess that it has something to do with pacer clocks, but the + source 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 + control words: + + Word0: + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! | | | ! | | | ! | | | ! | | | ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + + 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 - | | | +---------- 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 + 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 patience. */ -- 2.4.2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
