Rename "aio.h" to "dataacq.h"

1 files changed, 34 insertions, 0 deletions

diff --git a/sys/sys/dataacq.h b/sys/sys/dataacq.h
new file mode 100644
index 000000000000..82d98e1fa12f
--- /dev/null
+++ b/sys/sys/dataacq.h
@@ -0,0 +1,34 @@
+#ifndef _SYS_DATAACQ_H_
+#define _SYS_DATAACQ_H_
+
+#include <sys/ioccom.h>
+
+/* Header for general data acquisition definitions.
+ */
+
+/* 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_ */