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White Rabbit core collection
Commit 3a404a4d authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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wr_endpoint: cleaned up vague assignments to rx_even flag

parent 2e277e2a
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Showing with 9 additions and 4 deletions
modules/wr_endpoint/ep_sync_detect.vhd
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......@@ -6,7 +6,7 @@
-- Author : Tomasz Wlostowski
-- Company : CERN BE-Co-HT
-- Created : 2010-05-28
-- Last update: 2011-05-27
-- Last update: 2012-04-27
-- Platform : FPGA-generics
-- Standard : VHDL
-------------------------------------------------------------------------------
......@@ -112,10 +112,11 @@ begin -- behavioral
case state is
when LOSS_OF_SYNC =>
synced_o <= '0';
rx_even <= not rx_even;
if(comma = '1') then
rx_even <= '0';
state <= COMMA_DETECT_1;
else
rx_even <= not rx_even;
end if;
when COMMA_DETECT_1 =>
......@@ -127,12 +128,14 @@ begin -- behavioral
end if;
when ACQUIRE_SYNC_1 =>
rx_even <= not rx_even;
if(cgbad = '1') then
state <= LOSS_OF_SYNC;
rx_even <= not rx_even;
elsif (rx_even = '1' and comma = '1') then
rx_even <= '0'; -- was 1
state <= COMMA_DETECT_2;
else
rx_even <= not rx_even;
end if;
when COMMA_DETECT_2 =>
......@@ -144,12 +147,14 @@ begin -- behavioral
end if;
when ACQUIRE_SYNC_2 =>
rx_even <= not rx_even;
if(cgbad = '1') then
rx_even <= not rx_even;
state <= LOSS_OF_SYNC;
elsif (rx_even = '1' and comma = '1') then
state <= COMMA_DETECT_3;
rx_even <= '0';
else
rx_even <= not rx_even;
end if;
when COMMA_DETECT_3 =>
......
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