copied from comedi

diff --git a/include/comedi.h b/include/comedi.h
index 5bf016157dcb58d125bb4231c0ed47e79195ba75..95e61700d8614f6a0744084ecb2380c30cd9d699 100644 (file)
--- a/include/comedi.h
+++ b/include/comedi.h
@@ -62,9 +62,9 @@ typedef unsigned short sampl_t;
 #define AREF_DIFF      0x02            /* analog ref = differential */
 #define AREF_OTHER     0x03            /* analog ref = other (undefined) */
 
-/* GPCT options */
+/* counters -- these are arbitrary values */
 #define GPCT_RESET             0x0001
-#define GPCT_SET_SOURCE        0x0002
+#define GPCT_SET_SOURCE                0x0002
 #define GPCT_SET_GATE          0x0004
 #define GPCT_SET_DIRECTION     0x0008
 #define GPCT_SET_OPERATION     0x0010
@@ -75,7 +75,7 @@ typedef unsigned short sampl_t;
 #define GPCT_INT_CLOCK         0x0001
 #define GPCT_EXT_PIN           0x0002
 #define GPCT_NO_GATE           0x0004
-#define GPCT_UP                0x0008
+#define GPCT_UP                        0x0008
 #define GPCT_DOWN              0x0010
 #define GPCT_HWUD              0x0020
 #define GPCT_SIMPLE_EVENT      0x0040
@@ -84,6 +84,7 @@ typedef unsigned short sampl_t;
 #define GPCT_CONT_PULSE_OUT    0x0200
 #define GPCT_SINGLE_PULSE_OUT  0x0400
 
+
 /* instructions */
 
 #define INSN_MASK_WRITE                0x8000000
@@ -194,6 +195,7 @@ typedef unsigned short sampl_t;
 #define COMEDI_INSN _IOR(CIO,12,comedi_insn)
 #define COMEDI_BUFCONFIG _IOR(CIO,13,comedi_bufconfig)
 #define COMEDI_BUFINFO _IOWR(CIO,14,comedi_bufinfo)
+#define COMEDI_POLL _IO(CIO,15)
 
 
 /* structures */