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author | jkh <jkh@FreeBSD.org> | 1999-01-20 13:09:28 +0000 |
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committer | jkh <jkh@FreeBSD.org> | 1999-01-20 13:09:28 +0000 |
commit | af1ac09a53e9b9f7d330522b7109c3ae65dbba61 (patch) | |
tree | 11402239a61704833de4bf31fc33437b5e9b9f55 | |
parent | 528868027c3f0c1c513a85fc868267ccdbdf452e (diff) | |
download | FreeBSD-src-af1ac09a53e9b9f7d330522b7109c3ae65dbba61.zip FreeBSD-src-af1ac09a53e9b9f7d330522b7109c3ae65dbba61.tar.gz |
Put back this wholly innocent victim of Mike's drive-by shooting on alog;
it belongs to the labpc driver. Mike will be in the corner wearing
the pointed hat, should anyone be looking for him.
-rw-r--r-- | sys/sys/dataacq.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sys/sys/dataacq.h b/sys/sys/dataacq.h new file mode 100644 index 0000000..c5fe345 --- /dev/null +++ b/sys/sys/dataacq.h @@ -0,0 +1,34 @@ +/* Header for general data acquisition definitions. + */ + +#ifndef _SYS_DATAACQ_H_ +#define _SYS_DATAACQ_H_ + +#include <sys/ioccom.h> + +/* Period in microseconds between analog I/O samples. + */ +#define AD_MICRO_PERIOD_SET _IOW('A', 1, long) +#define AD_MICRO_PERIOD_GET _IOR('A', 2, long) + +/* Gain list support. Initially all gains are 1. If the board + * supports no gains at all then AD_NGAINS_GET will return a 0. + * + * AD_NGAINS_GET: Return the number of gains the board supports + * + * AD_SUPPORTED_GAINS: Get the supported gains. + * The driver will copy out "ngains" doubles, + * where "ngains" is obtained with AD_NGAINS_GET. + * + * AD_GAINS_SET: Set the gain list. The driver will copy in "ngains" ints. + * + * AD_GAINS_GET: Get the gain list. The driver will copy out "ngains" ints. + */ + +#define AD_NGAINS_GET _IOR('A', 3, int) +#define AD_NCHANS_GET _IOR('A', 4, int) +#define AD_SUPPORTED_GAINS _IO('A', 5) +#define AD_GAINS_SET _IO('A', 6) +#define AD_GAINS_GET _IO('A', 7) + +#endif /* !_SYS_DATAACQ_H_ */ |