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author | Josh Blum <josh@joshknows.com> | 2010-11-23 15:35:48 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-11-23 15:35:48 -0800 |
commit | f56c1247cbe7b7e90acee2711b5dda3356b9486a (patch) | |
tree | 81dadc83537c2c50550cd94e224571e472176c6f /fpga/usrp2/fifo/fifo36_to_fifo18.v | |
parent | 9f94ef843ceca63bcb83b2d473cbba709c9110b6 (diff) | |
parent | eb26e8adb4a5718ee3db3bb7f32c0cd31d060af9 (diff) | |
download | uhd-f56c1247cbe7b7e90acee2711b5dda3356b9486a.tar.gz uhd-f56c1247cbe7b7e90acee2711b5dda3356b9486a.tar.bz2 uhd-f56c1247cbe7b7e90acee2711b5dda3356b9486a.zip |
Merge branch 'next' of ettus.sourcerepo.com:ettus/uhdpriv into next
Diffstat (limited to 'fpga/usrp2/fifo/fifo36_to_fifo18.v')
-rw-r--r-- | fpga/usrp2/fifo/fifo36_to_fifo18.v | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/fpga/usrp2/fifo/fifo36_to_fifo18.v b/fpga/usrp2/fifo/fifo36_to_fifo18.v deleted file mode 100644 index b636ab9ca..000000000 --- a/fpga/usrp2/fifo/fifo36_to_fifo18.v +++ /dev/null @@ -1,40 +0,0 @@ - -module fifo36_to_fifo18 - (input clk, input reset, input clear, - input [35:0] f36_datain, - input f36_src_rdy_i, - output f36_dst_rdy_o, - - output [17:0] f18_dataout, - output f18_src_rdy_o, - input f18_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 f18_dataout[15:0] = phase ? f36_datain[15:0] : f36_datain[31:16]; - assign f18_dataout[16] = phase ? 0 : f36_sof; - assign f18_dataout[17] = phase ? f36_eof : half_line; - - assign f18_src_rdy_o = f36_src_rdy_i; - assign f36_dst_rdy_o = (phase | half_line) & f18_dst_rdy_i; - - wire f18_xfer = f18_src_rdy_o & f18_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(f18_xfer) - phase <= 1; - - -endmodule // fifo36_to_fifo18 - |