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More extensive bit field tests.

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Ron Sluiter
2008-11-19 21:04:30 +00:00
parent 20144bd9e6
commit 378a9e6597
1 changed files with 12 additions and 11 deletions
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motorApp/MotorSrc/motor.h
+12 -11
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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: 1.19 $
Modified By: $Author: mp49 $
Last Modified: $Date: 2008-11-14 14:27:40 $
Version: $Revision: 1.20 $
Modified By: $Author: sluiter $
Last Modified: $Date: 2008-11-19 21:04:30 $
*/
/*
@@ -44,6 +44,7 @@ Last Modified: $Date: 2008-11-14 14:27:40 $
* .05 12-21-04 rls - Changed pre-compiler instructions for LSB/MSB_First
* to support MS Visual C.
* .06 01-27-06 rls - Added LT_EPICSBASE macro for test EPICS base versions.
* .07 11-19-08 rls - More extensive bit field tests.
*/
#ifndef INCmotorh
@@ -121,15 +122,15 @@ typedef enum {
#define YES 1
/* Define, from top to bottom, how bit fields are packed. */
/* This works for VxWorks, SunPro, Linux g++, MS Visual C. */
#ifdef _WIN32
#define LSB_First (TRUE) /* LSB is packed first. */
/* This works for gnu, SunPro, MS Visual C. */
#if defined(_WIN32) || #cpu(i386) || defined (_M_IX86) || defined (_X86_)
#define LSB_First (TRUE) /* LSB is packed first. */
#elif defined (__i386__) || defined(_armv4l_) || defined (_X86_64_)
#define LSB_First (TRUE) /* LSB is packed first. */
#elif #cpu(sparc) || #cpu(m68k) || #cpu(powerpc)
#define MSB_First (TRUE) /* MSB is packed first. */
#else
#if #cpu(i386) && !#cpu(sparc)
#define LSB_First (TRUE) /* LSB is packed first. */
#else
#define MSB_First (TRUE) /* MSB is packed first. */
#endif
Error: unknown bit order!
#endif
/* -------------------------------------------------- */