StRoot: RTS/include/iccpHeader.h Source File

00001 #ifndef ICCP_HEADER_HH
00002 #define ICCP_HEADER_HH
00003 
00004 
00005 // MWS 3-29  Header changed. Elements of the strutct are resized and 
00006 //           reordered 
00007 // Tonko, 4/24/2002 Changed "transaction" to "dest_id"
00008 
00009 #ifndef RTS_LITTLE_ENDIAN   
00010 // Big endian header definition
00011 struct ic_msg_head 
00012 {
00013   unsigned char    daq_cmd  ;
00014   unsigned char    dst_task ;
00015   unsigned status :4;           
00016   unsigned token :12 ;
00017 //-------------------------------------------
00018   unsigned valid_words :12 ;    
00019   unsigned domain :4 ;
00020   unsigned short source_id  ;
00021 //-------------------------------------------
00022   unsigned short dest_id ;
00023   unsigned char  reserved ;
00024   unsigned char  src_task ;
00025 };
00026 #else
00027 // Little endian header definition (For alpha and pentium)
00028 struct ic_msg_head 
00029 {
00030   unsigned token :12;
00031   unsigned status :4;
00032   unsigned char  dst_task;
00033   unsigned char daq_cmd;
00034 //-------------------------------------------
00035   unsigned short source_id;
00036   unsigned domain :4 ;
00037   unsigned valid_words :12 ;
00038 //-------------------------------------------
00039   unsigned char  src_task ;
00040   unsigned char  reserved ;
00041   unsigned short dest_id ;
00042 };
00043 #endif // RTS_LITTLE_ENDIAN
00044 
00045 #endif