31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
struct btfp_time /* Structure for reading 5 time words */
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/* in one ioctl(2) operation. */
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{
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unsigned short btfp_time[5]; /* Time words 0,1,2,3, and 4. (16bit)*/
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};
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/***** Simple ioctl commands *****/
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#define RUNLOCK _IO('X',19) /* Release Capture Lockout */
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#define RCR0 _IOR('X',22,unsigned int) /* Read control register */
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#define WCR0 _IOW('X',23,unsigned int) /* Write control register */
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/***** Compound ioctl commands *****/
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/* Read all 5 time words in one call. */
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#define READTIME _IOR('X',32,struct btfp_time)
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#define VMEFD "/dev/btfp0"
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struct vmedate { /* structure returned by get_vmetime.c */
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unsigned short year;
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unsigned short doy;
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unsigned short hr;
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unsigned short mn;
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unsigned short sec;
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unsigned long frac;
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unsigned short status;
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};
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#define PRIO 120 /* set the realtime priority */
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#define NREGS 7 /* number of registers we will use */
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