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-rw-r--r--usrp2/control_lib/newfifo/ll8_to_fifo36.v97
1 files changed, 0 insertions, 97 deletions
diff --git a/usrp2/control_lib/newfifo/ll8_to_fifo36.v b/usrp2/control_lib/newfifo/ll8_to_fifo36.v
deleted file mode 100644
index 108daa903..000000000
--- a/usrp2/control_lib/newfifo/ll8_to_fifo36.v
+++ /dev/null
@@ -1,97 +0,0 @@
-
-module ll8_to_fifo36
- (input clk, input reset, input clear,
- input [7:0] ll_data,
- input ll_sof_n,
- input ll_eof_n,
- input ll_src_rdy_n,
- output ll_dst_rdy_n,
-
- output [35:0] f36_data,
- output f36_src_rdy_o,
- input f36_dst_rdy_i );
-
- wire f36_write = f36_src_rdy_o & f36_dst_rdy_i;
-
- // Why anybody would use active low in an FPGA is beyond me...
- wire ll_sof = ~ll_sof_n;
- wire ll_eof = ~ll_eof_n;
- wire ll_src_rdy = ~ll_src_rdy_n;
- wire ll_dst_rdy;
- assign ll_dst_rdy_n = ~ll_dst_rdy;
-
- reg f36_sof, f36_eof;
- reg [1:0] f36_occ;
-
-
- reg [2:0] state;
- reg [7:0] dat0, dat1, dat2, dat3;
-
- always @(posedge clk)
- if(ll_src_rdy & ((state==0)|f36_write))
- f36_sof <= ll_sof;
-
- always @(posedge clk)
- if(ll_src_rdy & ((state !=4)|f36_write))
- f36_eof <= ll_eof;
-
- always @(posedge clk)
- if(ll_eof)
- f36_occ <= state[1:0] + 1;
- else
- f36_occ <= 0;
-
- always @(posedge clk)
- if(reset)
- state <= 0;
- else
- if(ll_src_rdy)
- case(state)
- 0 :
- if(ll_eof)
- state <= 4;
- else
- state <= 1;
- 1 :
- if(ll_eof)
- state <= 4;
- else
- state <= 2;
- 2 :
- if(ll_eof)
- state <= 4;
- else
- state <= 3;
- 3 : state <= 4;
- 4 :
- if(f36_dst_rdy_i)
- if(ll_eof)
- state <= 4;
- else
- state <= 1;
- endcase // case(state)
- else
- if(f36_write)
- state <= 0;
-
- always @(posedge clk)
- if(ll_src_rdy & (state==3))
- dat3 <= ll_data;
-
- always @(posedge clk)
- if(ll_src_rdy & (state==2))
- dat2 <= ll_data;
-
- always @(posedge clk)
- if(ll_src_rdy & (state==1))
- dat1 <= ll_data;
-
- always @(posedge clk)
- if(ll_src_rdy & ((state==0) | f36_write))
- dat0 <= ll_data;
-
- assign ll_dst_rdy = f36_dst_rdy_i | (state != 4);
- assign f36_data = {f36_occ,f36_eof,f36_sof,dat0,dat1,dat2,dat3}; // FIXME endianess
- assign f36_src_rdy_o = (state == 4);
-
-endmodule // ll8_to_fifo36