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authorTom2009-10-06 10:40:39 -0700
committerTom2009-10-06 10:40:39 -0700
commitbbd3df51732b2b63ae9d20e9fddd12229cf6b2ef (patch)
treedbf63fb638238e389ad970f2f4443299491e8fc6 /usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v
parent314726ae7457b37f442a2751285b75b0d616c0f4 (diff)
parent3f8026a00c261c788357b3a04f5b338a6cda4d0e (diff)
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Merge branch 'master' into sync
Conflicts: gr-utils/src/python/gr_plot_qt.py gr-utils/src/python/pyqt_plot.py gr-utils/src/python/pyqt_plot.ui
Diffstat (limited to 'usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v')
-rw-r--r--usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v58
1 files changed, 0 insertions, 58 deletions
diff --git a/usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v b/usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v
deleted file mode 100644
index 4653244ef..000000000
--- a/usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v
+++ /dev/null
@@ -1,58 +0,0 @@
-
-module fifo18_to_ll8
- (input clk, input reset, input clear,
- input [35:0] f18_data,
- input f18_src_rdy_i,
- output f18_dst_rdy_o,
-
- output reg [7:0] ll_data,
- output ll_sof_n,
- output ll_eof_n,
- output ll_src_rdy_n,
- input ll_dst_rdy_n);
-
- wire ll_sof, ll_eof, ll_src_rdy;
- assign ll_sof_n = ~ll_sof;
- assign ll_eof_n = ~ll_eof;
- assign ll_src_rdy_n = ~ll_src_rdy;
- wire ll_dst_rdy = ~ll_dst_rdy_n;
-
- wire f18_sof = f18_data[32];
- wire f18_eof = f18_data[33];
- wire f18_occ = f18_data[35:34];
- wire advance, end_early;
- reg [1:0] state;
- assign debug = {29'b0,state};
-
- always @(posedge clk)
- if(reset)
- state <= 0;
- else
- if(advance)
- if(ll_eof)
- state <= 0;
- else
- state <= state + 1;
-
- always @*
- case(state)
- 0 : ll_data = f18_data[31:24];
- 1 : ll_data = f18_data[23:16];
- 2 : ll_data = f18_data[15:8];
- 3 : ll_data = f18_data[7:0];
- default : ll_data = f18_data[31:24];
- endcase // case (state)
-
- assign ll_sof = (state==0) & f18_sof;
- assign ll_eof = f18_eof & (((state==0)&(f18_occ==1)) |
- ((state==1)&(f18_occ==2)) |
- ((state==2)&(f18_occ==3)) |
- (state==3));
-
- assign ll_src_rdy = f18_src_rdy_i;
-
- assign advance = ll_src_rdy & ll_dst_rdy;
- assign f18_dst_rdy_o = advance & ((state==3)|ll_eof);
- assign debug = state;
-
-endmodule // ll8_to_fifo36