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Commit ac0f83dc authored by Job van Wee's avatar Job van Wee
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test commit

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1 merge request!215Resolve L2SDP-660
Pipeline #25617 passed
Stage: simulation
Stage: synthesis
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applications/lofar2/libraries/ddrctrl/src/vhdl/repack.vhd
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LIBRARY IEEE; LIBRARY IEEE, dp_lib;
USE IEEE.std_logic_1164.ALL; USE IEEE.std_logic_1164.ALL;
USE dp_lib.dp_stream_pkg.ALL;
ENTITY repack IS ENTITY repack IS
GENERIC ( GENERIC (
...@@ -11,8 +11,7 @@ ENTITY repack IS ...@@ -11,8 +11,7 @@ ENTITY repack IS
clk : IN STD_LOGIC; clk : IN STD_LOGIC;
out_o_f : OUT NATURAL; out_o_f : OUT NATURAL;
in_data : IN STD_LOGIC_VECTOR(g_in_data_w-1 DOWNTO 0); in_data : IN STD_LOGIC_VECTOR(g_in_data_w-1 DOWNTO 0);
out_data : OUT STD_LOGIC_VECTOR(g_out_data_w-1 DOWNTO 0); out_sosi : OUT t_dp_sosi
data_enable : OUT STD_LOGIC
); );
END repack; END repack;
...@@ -36,28 +35,28 @@ BEGIN ...@@ -36,28 +35,28 @@ BEGIN
IF (g_in_data_w*(c_v_count+1) >= g_out_data_w*(out_data_count+1)) THEN -- if the input data exceeds the output data vector width IF (g_in_data_w*(c_v_count+1) >= g_out_data_w*(out_data_count+1)) THEN -- if the input data exceeds the output data vector width
IF (out_data_count = 1) THEN -- if the input data exceeds c_v vector widt IF (out_data_count = 1) THEN -- if the input data exceeds c_v vector widt
out_o_f <= a_o_f; -- set the output overflow to the overflow that maches the out_data vector out_o_f <= a_o_f; -- set the output overflow to the overflow that maches the out_sosi.data vector
a_o_f <= a_o_f + g_in_data_w * c_v_count - g_out_data_w * (out_data_count + 1); -- check how much overflow there is and safe it in a_o_f a_o_f <= a_o_f + g_in_data_w * c_v_count - g_out_data_w * (out_data_count + 1); -- check how much overflow there is and safe it in a_o_f
c_v(k_c_v_w - 1 DOWNTO k_c_v_w - (g_in_data_w - a_o_f)) <= in_data(g_in_data_w - a_o_f - 1 DOWNTO 0); -- fill the rest of c_v untill the end c_v(k_c_v_w - 1 DOWNTO k_c_v_w - (g_in_data_w - a_o_f)) <= in_data(g_in_data_w - a_o_f - 1 DOWNTO 0); -- fill the rest of c_v untill the end
c_v(a_o_f - 1 DOWNTO 0) <= in_data(g_in_data_w - 1 DOWNTO g_in_data_w - a_o_f); -- fill the start of c_v untill the a_o_f c_v(a_o_f - 1 DOWNTO 0) <= in_data(g_in_data_w - 1 DOWNTO g_in_data_w - a_o_f); -- fill the start of c_v untill the a_o_f
out_data(g_out_data_w - 1 DOWNTO 0) <= c_v(k_c_v_w - 1 DOWNTO g_out_data_w); -- fill out_data with 2nd part of c_v out_sosi.data(g_out_data_w - 1 DOWNTO 0) <= c_v(k_c_v_w - 1 DOWNTO g_out_data_w); -- fill out_sosi.data with 2nd part of c_v
data_enable <= '1'; -- data_enable 1 out_sosi.valid <= '1'; -- out_sosi.valid 1
c_v_count <= 0; -- reset counter c_v_count <= 0; -- reset counter
out_data_count <= 0; -- reset counter out_data_count <= 0; -- reset counter
Else -- if the input data exceeds output data vector width but not the c_v vector widt Else -- if the input data exceeds output data vector width but not the c_v vector widt
c_v(g_in_data_w * (c_v_count + 1) + a_o_f - 1 DOWNTO g_in_data_w * c_v_count + a_o_f) <= in_data(g_in_data_w - 1 DOWNTO 0); -- fill c_v c_v(g_in_data_w * (c_v_count + 1) + a_o_f - 1 DOWNTO g_in_data_w * c_v_count + a_o_f) <= in_data(g_in_data_w - 1 DOWNTO 0); -- fill c_v
c_v_count <= c_v_count + 1; -- increase the counter of c_v with 1 c_v_count <= c_v_count + 1; -- increase the counter of c_v with 1
out_data(g_out_data_w - 1 DOWNTO 0) <= c_v(g_out_data_w - 1 DOWNTO 0); -- fill out_data with 1st part of c_v out_sosi.data(g_out_data_w - 1 DOWNTO 0) <= c_v(g_out_data_w - 1 DOWNTO 0); -- fill out_sosi.data with 1st part of c_v
out_data_count <= out_data_count + 1; -- increase the counter of out_data with 1 out_data_count <= out_data_count + 1; -- increase the counter of out_sosi.data with 1
data_enable <= '1'; -- data_enable 1 out_sosi.valid <= '1'; -- out_sosi.valid 1
END IF; END IF;
ELSE -- if the input data doesn't exceeds the output data vector width ELSE -- if the input data doesn't exceeds the output data vector width
c_v(g_in_data_w * (c_v_count + 1) + a_o_f - 1 DOWNTO g_in_data_w * c_v_count + a_o_f) <= in_data(g_in_data_w - 1 DOWNTO 0); -- fill c_v c_v(g_in_data_w * (c_v_count + 1) + a_o_f - 1 DOWNTO g_in_data_w * c_v_count + a_o_f) <= in_data(g_in_data_w - 1 DOWNTO 0); -- fill c_v
c_v_count <= c_v_count + 1; -- increase the counter of c_v with 1 c_v_count <= c_v_count + 1; -- increase the counter of c_v with 1
data_enable <= '0'; -- data_enable 0 out_sosi.valid <= '0'; -- out_sosi.valid 0
END IF; END IF;
......
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