/* Copied from ccc:$INC/message_structs.h, 2002 June 19, JAB */ 
typedef unsigned long int U32; /* From mk4_typedefs */ 

/*******************************************************************************
*                                                                              *
*                 EVN-style (EVN doc #42) message to set ROT's                 *
*                                                                              *
* Note 1: does *not* use the J-K (Ball-Dudevoir) messaging system              *
* Note 2: due to EVN msg alignment, some doubles are on 4 byte boundaries,     *
*         which we work around by using a U32 array of two elements instead    *
*******************************************************************************/

struct Set_Rot
    {
    U32 msg_type;                       /* action request = 0x10              */
    U32 msg_id;                         /* task_id for this ROT clock         */
    U32 ref_id;                         /*   --unused--                       */
    U32 msg_src1;                       /*   --unused--                       */
    U32 msg_src2;                       /*   --unused--                       */
    U32 msg_dest1;                      /*   --unused--                       */
    U32 msg_dest2;                      /*   --unused--                       */
/*  double time_stamp_sysclks;             COT on next systick - sanity check */
    U32 time_stamp_sysclks[2];          /* COT on next systick - sanity check */
    U32 time_stamp_date;                /*   --unused--                       */
/*  double full_rot_sysclks;                 --unused--                       */
    U32 full_rot_sysclks[2];            /*   --unused--                       */
    U32 full_rot_date;                  /*   --unused--                       */
    U32 msg_size;                       /* length = 0x7C                      */
    U32 action_code;                    /* SET_ROT = 0x10001                  */
    U32 queueing_flags;                 /*   set to 0                         */
/*  double obey_rot;                         --unused--                       */
    U32 obey_rot[2];                    /*   --unused--                       */
/*  double end_rot;                          --unused--                       */
    U32 end_rot[2];                     /*   --unused--                       */
/*  double repeat_interval;                  --unused--                       */
    U32 repeat_interval[2];             /*   --unused--                       */
    U32 num_ent;                        /*   --unused--                       */
    U32 offset;                         /*   --unused--                       */
    U32 su_array;                       /* task_id => set corresponding ROT   */
                                        /*                    -1 => set COT   */
    U32 rot[2];                         /* actually a double                  */
                                        /* set ROT to this at next systick;   */
    U32 rot_year;                       /*   --unused--                       */
    U32 rot_rate[2];                    /* ROT inc. per systick (in sysclks)  */
                                        /* actually a double                  */
    U32 dummy;                          /*   --unused--                       */
    };