Mercurial > pygar

     1 import FIFOF::*;

     2 import FIFO::*;

     3 

     4 

     5 interface Mixer;

     6    method Action feed(Sample samp, VoiceId id); // feed in a sample to a specific FIFOF

     7    method Action stream(); // Outputs muxed data.

     8 endinterface

     9 

    10 

    11 method vectorFull?(Vector#(FIFOF#(Sample)) vect)

    12 

    13    (reduce .notEmpty vect)

    14 

    15 endmethod

    16 

    17 

    18 

    19 module mkMixer(Mixer);

    20 

    21    FIFO output = mkFIFO();

    22 

    23 

    24    // make vector of fifos, length = MAX_VOICES 

    25    fifo_vect Vector#(FIFOF#(Sample)) = mkVector(`MAX_VOICES);

    26 

    27    

    28    for $i(1 .. `MAX_VOICES)

    29       begin

    30          fifo_vect[$i] = mkFIFOF();

    31       end

    32         

    33    rule(vectorFull?(fifo_vect))

    34 

    35       Sample out = (/ (reduce + fifo_vector) (log `MAX_VOICES))

    36       output.enq(out);

    37       

    38    endrule

    39 

    40   

    41 endmodule

    42
author	rlm
date	Wed, 05 May 2010 13:23:58 -0400
parents	cdad17407328
children