Mercurial > pygar

     1 import Trace::*;

     2 import Vector::*;

     3 

     4 `define MAX_VOICES       4

     5 `define MAX_CORES       16

     6 `define MAX_PATH_IDS    18

     7 `define MAX_PATH_LENGTH 8

     8 

     9 // The path is hardwired and so should never be stored in a register.  Therefore int type rather than Bit type

    10 

    11 typedef Bit#(32) MemAddr;

    12 typedef Int#(TLog#(`MAX_PATH_IDS))  PathId;

    13 typedef Int#(24) Sample;

    14 typedef Int#(TLog#(`MAX_VOICES)) VoiceId;

    15 typedef Bit#(8) Volume; // This is arbitrarily set to 8 bits or max val 256

    16 

    17 //The mixer is identified as PathId 0, path end is max 

    18 PathId mixerId = 0;

    19 PathId endId = `MAX_CORES+1;

    20 

    21 // Path is array of path ids

    22 typedef Vector#(`MAX_PATH_LENGTH,  PathId) CorePath;

    23 CorePath emptyCore = replicate(endId);

    24 

    25 typedef struct

    26 {

    27   VoiceId   voice;

    28   MemAddr   startAddr;

    29   CorePath  route;

    30   Volume    outVol;

    31 } FullPath deriving (Bits, Eq);

    32
author	punk
date	Wed, 21 Apr 2010 23:37:12 -0400
parents	c4438eca4bc4
children