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Jens Eden's mod to add EPICS_BYTE_ORDER to the logic of setting {MSB/LSB}_First.

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Ron Sluiter
2014-06-02 14:52:23 +00:00
parent 9e4022e730
commit db27747293
1 changed files with 10 additions and 1 deletions
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motorApp/MotorSrc/motor.h
+10 -1
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@@ -51,6 +51,8 @@ Last Modified: $Date: 2009-04-27 14:28:42 $
* tested by jph with simMotorDriver.
* .10 08-25-11 rls - Replaced deprecated #cpu preprocessor assertions with
* the defined() operator.
* .11 06-02-14 rls - Jens Eden's modification to add EPICS_BYTE_ORDER to the
* logic of setting {MSB/LSB}_First.
*/
#ifndef INCmotorh
@@ -61,6 +63,7 @@ Last Modified: $Date: 2009-04-27 14:28:42 $
#include <devSup.h>
#include <osiUnistd.h>
#include <epicsVersion.h>
#include <epicsEndian.h>
/* Less than EPICS base version test.*/
#define LT_EPICSBASE(v,r,l) ((EPICS_VERSION<=(v)) && (EPICS_REVISION<=(r)) && (EPICS_MODIFICATION<(l)))
@@ -137,8 +140,14 @@ typedef enum {
#define LSB_First (TRUE) /* LSB is packed first. */
#elif defined(sparc) || defined(m68k) || defined(powerpc)
#define MSB_First (TRUE) /* MSB is packed first. */
#elif (CPU == PPC604) || (CPU == PPC603) || (CPU == PPC85XX) || (CPU == MC68040) || (CPU == PPC32)
#elif defined(CPU) && ((CPU == PPC604) || (CPU == PPC603) || (CPU == PPC85XX) || (CPU == MC68040) || (CPU == PPC32))
#define MSB_First (TRUE) /* MSB is packed first. */
#elif defined(__GNUC__)
#if (EPICS_BYTE_ORDER == EPICS_ENDIAN_LITTLE)
#define LSB_First (TRUE)
#else
#define MSB_First (TRUE)
#endif
#else
#error: unknown bit order!
#endif