diff options
| author | Luca Ellero <luca.ellero@brickedbrain.com> | 2014-09-19 13:50:35 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-19 15:58:18 -0700 |
| commit | ddf9b6a4a080422f5ab3f7718021bb98ad06853b (patch) | |
| tree | 08da20cd970221277067e97e943336ae32a399ab /drivers/staging/comedi/drivers/ni_usb6501.c | |
| parent | aa66cd164b592dc994cae4865415a3dccea15fa9 (diff) | |
staging: comedi: ni_usb6501: update comments
Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_usb6501.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_usb6501.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c b/drivers/staging/comedi/drivers/ni_usb6501.c index f0b8f1108e55..c99b6938460a 100644 --- a/drivers/staging/comedi/drivers/ni_usb6501.c +++ b/drivers/staging/comedi/drivers/ni_usb6501.c @@ -21,10 +21,9 @@ * Description: National Instruments USB-6501 module * Devices: [National Instruments] USB-6501 (ni_usb6501) * Author: Luca Ellero <luca.ellero@brickedbrain.com> - * Updated: 5 Aug 2014 + * Updated: 8 Sep 2014 * Status: works * - * This driver works, but counter device is not implemented yet. * * Configuration Options: * none @@ -38,7 +37,7 @@ * - response (in) * * Every packet is at least 12 bytes long, here is the meaning of - * every field (all values are hex): + * every field (all values are hex): * * byte 0 is always 00 * byte 1 is always 01 @@ -55,11 +54,12 @@ * byte 10 is always 00 * byte 11 is 00 (request) or 02 (response) * + * PORT PACKETS * * CMD: 0xE READ_PORT * REQ: 00 01 00 10 00 0C 01 0E 02 10 00 00 00 03 <PORT> 00 * RES: 00 01 00 10 00 0C 01 00 00 00 00 02 00 03 <BMAP> 00 - + * * CMD: 0xF WRITE_PORT * REQ: 00 01 00 14 00 10 01 0F 02 10 00 00 00 03 <PORT> 00 03 <BMAP> 00 00 * RES: 00 01 00 0C 00 08 01 00 00 00 00 02 @@ -68,6 +68,29 @@ * REQ: 00 01 00 18 00 14 01 12 02 10 00 00 * 00 05 <PORT 0> <PORT 1> <PORT 2> 00 05 00 00 00 00 00 * RES: 00 01 00 0C 00 08 01 00 00 00 00 02 + * + * COUNTER PACKETS + * + * CMD 0x9: START_COUNTER + * REQ: 00 01 00 0C 00 08 01 09 02 20 00 00 + * RES: 00 01 00 0C 00 08 01 00 00 00 00 02 + * + * CMD 0xC: STOP_COUNTER + * REQ: 00 01 00 0C 00 08 01 0C 02 20 00 00 + * RES: 00 01 00 0C 00 08 01 00 00 00 00 02 + * + * CMD 0xE: READ_COUNTER + * REQ: 00 01 00 0C 00 08 01 0E 02 20 00 00 + * RES: 00 01 00 10 00 0C 01 00 00 00 00 02 <u32 counter value, Big Endian> + * + * CMD 0xF: WRITE_COUNTER + * REQ: 00 01 00 10 00 0C 01 0F 02 20 00 00 <u32 counter value, Big Endian> + * RES: 00 01 00 0C 00 08 01 00 00 00 00 02 + * + * + * Please visit http://www.brickedbrain.com if you need + * additional information or have any questions. + * */ #include <linux/kernel.h> |