pygar: modules/bluespec/Pygar/core/PathTypes.bsv annotate

[svn r34] uses scratchpad, set up for audio through c

rev	line source
rlm@8	1 import Trace::*;
rlm@8	2 import Vector::*;
rlm@8	3
punk@33	4 `include "asim/provides/audio_pipe_types.bsh"
punk@33	5
rlm@8	6 `define MAX_VOICES 4
rlm@8	7 `define MAX_CORES 16
rlm@8	8 `define MAX_PATH_IDS 18
rlm@8	9 `define MAX_PATH_LENGTH 8
rlm@8	10
rlm@8	11 // The path is hardwired and so should never be stored in a register. Therefore int type rather than Bit type
rlm@8	12
rlm@8	13 typedef Bit#(32) MemAddr;
rlm@8	14 typedef Int#(TLog#(`MAX_PATH_IDS)) PathId;
punk@33	15 //typedef Int#(16) Sample;
rlm@8	16 typedef Int#(TLog#(`MAX_VOICES)) VoiceId;
punk@33	17 typedef Bit#(8) Volume; // This is arbitrarily set to 8 bits or max val 256
rlm@8	18
rlm@8	19 //The mixer is identified as PathId 0, path end is max
rlm@8	20 PathId mixerId = 0;
rlm@8	21 PathId endId = `MAX_CORES+1;
rlm@8	22
rlm@8	23 // Path is array of path ids
rlm@8	24 typedef Vector#(`MAX_PATH_LENGTH, PathId) CorePath;
rlm@8	25 CorePath emptyCore = replicate(endId);
rlm@8	26
rlm@8	27 typedef struct
rlm@8	28 {
rlm@8	29 VoiceId voice;
rlm@8	30 MemAddr startAddr;
rlm@8	31 CorePath route;
punk@33	32 Volume outVol;
rlm@8	33 } FullPath deriving (Bits, Eq);
rlm@8	34
punk@33	35 typedef Maybe#(AudioProcessorUnit) AudioPipeUnit; // deriving (Bits, Eq);
punk@33	36
punk@33	37 typedef struct
punk@33	38 {
punk@33	39 VoiceId voice;
punk@33	40 AudioPipeUnit data;
punk@33	41 } AudioStream deriving (Bits, Eq);

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