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Handle MSB and LSB bit-field packing.

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Ron Sluiter
2003-05-23 19:44:05 +00:00
parent be0a1672ae
commit 38d6d06bb3
1 changed files with 10 additions and 2 deletions
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motorApp/MotorSrc/motor.h
+10 -2
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@@ -3,9 +3,9 @@ FILENAME... motor.h
USAGE... Definitions and structures common to all levels of motorRecord
support (i.e., record, device and driver).
Version: $Revision: 1.7 $
Version: $Revision: 1.8 $
Modified By: $Author: sluiter $
Last Modified: $Date: 2002-10-31 20:40:53 $
Last Modified: $Date: 2003-05-23 19:44:05 $
*/
/*
@@ -143,5 +143,13 @@ struct motor_dset
RTN_STATUS (*end_trans) (struct motorRecord *);
};
// Define, from top to bottom, how bit fields are packed.
// This works for SunPro,
#if #cpu(i386) && !#cpu(sparc)
#define LSB_First (TRUE) // LSB is packed first.
#else
#define MSB_First (TRUE) // MSB is packed first.
#endif
#endif /* INCmotorh */