diff options
Diffstat (limited to 'include/ntp_datum.h')
| -rw-r--r-- | include/ntp_datum.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/ntp_datum.h b/include/ntp_datum.h new file mode 100644 index 0000000..2aa2cb7 --- /dev/null +++ b/include/ntp_datum.h @@ -0,0 +1,30 @@ +struct btfp_time /* Structure for reading 5 time words */ + /* in one ioctl(2) operation. */ +{ + unsigned short btfp_time[5]; /* Time words 0,1,2,3, and 4. (16bit)*/ +}; + +/***** Simple ioctl commands *****/ + +#define RUNLOCK _IO('X',19) /* Release Capture Lockout */ +#define RCR0 _IOR('X',22,unsigned int) /* Read control register */ +#define WCR0 _IOW('X',23,unsigned int) /* Write control register */ + +/***** Compound ioctl commands *****/ + +/* Read all 5 time words in one call. */ +#define READTIME _IOR('X',32,struct btfp_time) +#define VMEFD "/dev/btfp0" + + struct vmedate { /* structure returned by get_vmetime.c */ + unsigned short year; + unsigned short doy; + unsigned short hr; + unsigned short mn; + unsigned short sec; + unsigned long frac; + unsigned short status; + }; + +#define PRIO 120 /* set the realtime priority */ +#define NREGS 7 /* number of registers we will use */ |