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author | Josh Blum <josh@joshknows.com> | 2010-01-22 16:00:45 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-01-22 16:00:45 -0800 |
commit | 8b377a9d6d0ad281474a8dbff49ea3b093178b28 (patch) | |
tree | 8e3c7a1b60f96df6e2140666d3b7afa5166d885d /control_lib/medfifo.v | |
parent | e92d36dcfe02afaedec348f2d8fc4523fb4e633b (diff) | |
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moved into subdir
Diffstat (limited to 'control_lib/medfifo.v')
-rw-r--r-- | control_lib/medfifo.v | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/control_lib/medfifo.v b/control_lib/medfifo.v deleted file mode 100644 index 5a77e8c16..000000000 --- a/control_lib/medfifo.v +++ /dev/null @@ -1,49 +0,0 @@ - -module medfifo - #(parameter WIDTH=32, - parameter DEPTH=1) - (input clk, input rst, - input [WIDTH-1:0] datain, - output [WIDTH-1:0] dataout, - input read, - input write, - input clear, - output full, - output empty, - output [7:0] space, - output [7:0] occupied); - - localparam NUM_FIFOS = (1<<DEPTH); - - wire [WIDTH-1:0] dout [0:NUM_FIFOS-1]; - wire [0:NUM_FIFOS-1] full_x; - wire [0:NUM_FIFOS-1] empty_x; - - shortfifo #(.WIDTH(WIDTH)) - head (.clk(clk),.rst(rst), - .datain(datain),.write(write),.full(full), - .dataout(dout[0]),.read(~empty_x[0] & ~full_x[1]),.empty(empty_x[0]), - .clear(clear),.space(space[4:0]),.occupied() ); - - shortfifo #(.WIDTH(WIDTH)) - tail (.clk(clk),.rst(rst), - .datain(dout[NUM_FIFOS-2]),.write(~empty_x[NUM_FIFOS-2] & ~full_x[NUM_FIFOS-1]),.full(full_x[NUM_FIFOS-1]), - .dataout(dataout),.read(read),.empty(empty), - .clear(clear),.space(),.occupied(occupied[4:0]) ); - - genvar i; - generate - for(i = 1; i < NUM_FIFOS-1 ; i = i + 1) - begin : gen_depth - shortfifo #(.WIDTH(WIDTH)) - shortfifo (.clk(clk),.rst(rst), - .datain(dout[i-1]),.write(~full_x[i] & ~empty_x[i-1]),.full(full_x[i]), - .dataout(dout[i]),.read(~full_x[i+1] & ~empty_x[i]),.empty(empty_x[i]), - .clear(clear),.space(),.occupied() ); - end - endgenerate - - assign space[7:5] = 0; - assign occupied[7:5] = 0; - -endmodule // medfifo |