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author | Tom | 2009-10-06 10:40:39 -0700 |
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committer | Tom | 2009-10-06 10:40:39 -0700 |
commit | bbd3df51732b2b63ae9d20e9fddd12229cf6b2ef (patch) | |
tree | dbf63fb638238e389ad970f2f4443299491e8fc6 /usrp2/fpga/control_lib/newfifo/fifo18_to_ll8.v | |
parent | 314726ae7457b37f442a2751285b75b0d616c0f4 (diff) | |
parent | 3f8026a00c261c788357b3a04f5b338a6cda4d0e (diff) | |
download | gnuradio-bbd3df51732b2b63ae9d20e9fddd12229cf6b2ef.tar.gz gnuradio-bbd3df51732b2b63ae9d20e9fddd12229cf6b2ef.tar.bz2 gnuradio-bbd3df51732b2b63ae9d20e9fddd12229cf6b2ef.zip |
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.v | 58 |
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 |