/* dMvdDCM.idl */

/* This file was created based on a document written by J. Nagle and*/
/* C.Y. Chi:                                                        */
/* http://www.nevis.columbia.edu/~nagle/PHENIX/mvd_format_pub.htm   */
/* J.P. Sullivan 24-Jul-98, replaces an older and significantly     */
/* different version which was created 10-Jul-98.                   */
/* Modified by J.P.Sullvan and Martin Purschke 29-Sep-98 -- added   */
/* nWord, scheme, packetID                                          */

/* This information represents the output on the DCM's for the MVD. */
/* There is one DCM report for each MCM in the MVD. There are 136   */
/* MCM's in the MVD.                                                */

struct dMvdDCM 
{
       unsigned long nWord;    /* of words in "payload"       */
       unsigned long scheme;   /* ID_MVD_DCM0 is pass through */
       unsigned long packetID; /* starts from 2001 ...        */

       /* the "payload" starts here: */

       unsigned long Flgs;     /* misc flags */
       unsigned long module;   /* module address, the lower 2 bits are   */
                               /* the "PLEX" bits and the rest are used  */
                               /* to identify the MCM number             */
       unsigned long event;    /* event number */
       unsigned long Bcounter; /* FEM beam clock counter (8 bits)        */
       unsigned long det;      /* 2 is MVD                               */
       unsigned long amucells; /* amu cells    */
       unsigned long adc[256]; /* adc values   */
       unsigned long user[8];  /* user words, used to contain various    */
                               /* error codes                            */
                               /* positions of the words containing data */
                               /* parity errors are stored in the first  */
                               /* 7 words, the 8th word contains framing */
                               /* error identifiers                      */
                               /* underflow (not enough words) - bit 11  */
                               /* overflow (too many words )   - bit 12  */
                               /* two start bits without a stop- bit 13  */
       unsigned long parity;   /* checksum -- a.k.a. vertical checksum   */
                               /* -- a.k.a. longitudinal parity word     */
       unsigned long LastWord; /* not sure what this will be             */
};