summaryrefslogtreecommitdiffstats
path: root/usrp2/control_lib/newfifo
diff options
context:
space:
mode:
authorMatt Ettus <matt@ettus.com>2010-06-06 02:26:48 -0700
committerMatt Ettus <matt@ettus.com>2010-06-06 02:26:48 -0700
commit761e22013c6715987c411216d012098e60684836 (patch)
treeba4638c2665e301f4c5839431e287b2fba5920d6 /usrp2/control_lib/newfifo
parent4f1b2441c0250a61f691c038f8bd9cfb229bd103 (diff)
downloaduhd-761e22013c6715987c411216d012098e60684836.tar.gz
uhd-761e22013c6715987c411216d012098e60684836.tar.bz2
uhd-761e22013c6715987c411216d012098e60684836.zip
get rid of redundant fifo18, since we can just use fifo19 and ignore the occ bit
Diffstat (limited to 'usrp2/control_lib/newfifo')
-rw-r--r--usrp2/control_lib/newfifo/fifo36_to_fifo18.v40
1 files changed, 0 insertions, 40 deletions
diff --git a/usrp2/control_lib/newfifo/fifo36_to_fifo18.v b/usrp2/control_lib/newfifo/fifo36_to_fifo18.v
deleted file mode 100644
index b636ab9ca..000000000
--- a/usrp2/control_lib/newfifo/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
-