diff options
Diffstat (limited to 'control_lib/newfifo/fifo36_to_fifo19.v')
-rw-r--r-- | control_lib/newfifo/fifo36_to_fifo19.v | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/control_lib/newfifo/fifo36_to_fifo19.v b/control_lib/newfifo/fifo36_to_fifo19.v deleted file mode 100644 index de249aaeb..000000000 --- a/control_lib/newfifo/fifo36_to_fifo19.v +++ /dev/null @@ -1,41 +0,0 @@ - -module fifo36_to_fifo19 - (input clk, input reset, input clear, - input [35:0] f36_datain, - input f36_src_rdy_i, - output f36_dst_rdy_o, - - output [18:0] f19_dataout, - output f19_src_rdy_o, - input f19_dst_rdy_i ); - - wire f36_sof = f36_datain[32]; - wire f36_eof = f36_datain[33]; - wire f36_occ = f36_datain[35:34]; - - reg phase; - - wire half_line = f36_eof & ((f36_occ==1)|(f36_occ==2)); - - assign f19_dataout[15:0] = phase ? f36_datain[15:0] : f36_datain[31:16]; - assign f19_dataout[16] = phase ? 0 : f36_sof; - assign f19_dataout[17] = phase ? f36_eof : half_line; - assign f19_dataout[18] = f19_dataout[17] & ((f36_occ==1)|(f36_occ==3)); - - assign f19_src_rdy_o = f36_src_rdy_i; - assign f36_dst_rdy_o = (phase | half_line) & f19_dst_rdy_i; - - wire f19_xfer = f19_src_rdy_o & f19_dst_rdy_i; - wire f36_xfer = f36_src_rdy_i & f36_dst_rdy_o; - - always @(posedge clk) - if(reset) - phase <= 0; - else if(f36_xfer) - phase <= 0; - else if(f19_xfer) - phase <= 1; - - -endmodule // fifo36_to_fifo19 - |