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annotate common/Mixer.bsv @ 42:ced2ebd41347 pygar svn.43

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[svn r43] bunch of updates that almost work...
author punk
date Wed, 05 May 2010 01:09:09 -0400
parents cdad17407328
children
rev   line source
rlm@2 1 import FIFOF::*;
rlm@2 2 import FIFO::*;
rlm@2 3
rlm@2 4
rlm@2 5 interface Mixer;
rlm@2 6 method Action feed(Sample samp, VoiceId id); // feed in a sample to a specific FIFOF
rlm@2 7 method Action stream(); // Outputs muxed data.
rlm@2 8 endinterface
rlm@2 9
rlm@2 10
rlm@2 11 method vectorFull?(Vector#(FIFOF#(Sample)) vect)
rlm@2 12
rlm@2 13 (reduce .notEmpty vect)
rlm@2 14
rlm@2 15 endmethod
rlm@2 16
rlm@2 17
rlm@2 18
rlm@2 19 module mkMixer(Mixer);
rlm@2 20
rlm@2 21 FIFO output = mkFIFO();
rlm@2 22
rlm@2 23
rlm@2 24 // make vector of fifos, length = MAX_VOICES
rlm@2 25 fifo_vect Vector#(FIFOF#(Sample)) = mkVector(`MAX_VOICES);
rlm@2 26
rlm@2 27
rlm@2 28 for $i(1 .. `MAX_VOICES)
rlm@2 29 begin
rlm@2 30 fifo_vect[$i] = mkFIFOF();
rlm@2 31 end
rlm@2 32
rlm@2 33 rule(vectorFull?(fifo_vect))
rlm@2 34
rlm@6 35 Sample out = (/ (reduce + fifo_vector) (log `MAX_VOICES))
rlm@2 36 output.enq(out);
rlm@2 37
rlm@2 38 endrule
rlm@2 39
rlm@2 40
rlm@2 41 endmodule
rlm@2 42