| Line 217... |
Line 217... |
store_buy_sell <= search_buy_sell_i;
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store_buy_sell <= search_buy_sell_i;
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store_px <= search_px_i;
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store_px <= search_px_i;
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store_qty <= search_qty_i;
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store_qty <= search_qty_i;
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store_sec <= search_sec_i;
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store_sec <= search_sec_i;
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store_id <= search_id_i;
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store_id <= search_id_i;
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state <= 6;
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state <= 5;
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elsif search_px_type_i = std_logic_vector'("11100") then
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elsif search_px_type_i = std_logic_vector'("11100") then
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-- incoming price, register it and start the state machine
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-- incoming price, register it and start the state machine
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b1_px_type <= search_px_type_i;
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b1_px_type <= search_px_type_i;
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b1_buy_sell <= search_buy_sell_i;
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b1_buy_sell <= search_buy_sell_i;
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b1_px <= search_px_i;
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b1_px <= search_px_i;
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| Line 235... |
Line 235... |
store_px <= search_px_i;
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store_px <= search_px_i;
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store_qty <= search_qty_i;
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store_qty <= search_qty_i;
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store_sec <= search_sec_i;
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store_sec <= search_sec_i;
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store_id <= search_id_i;
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store_id <= search_id_i;
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--b2_px_type <= std_logic_vector'(std_logic_vector'("00000"));
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--b2_px_type <= std_logic_vector'(std_logic_vector'("00000"));
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state <= 10;
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state <= 9;
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else -- nothing 10000 (avoid ZZZZZ)
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else -- nothing 10000 (avoid ZZZZZ)
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-- no action - flash up Z's
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-- no action - flash up Z's
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order_px_type_o <= std_logic_vector'("10000"); -- avoiding ZZZZZ
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order_px_type_o <= std_logic_vector'("10000"); -- avoiding ZZZZZ
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order_buy_sell_o <= (others => 'Z'); -- 111 buy, 000 sell
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order_buy_sell_o <= (others => 'Z'); -- 111 buy, 000 sell
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order_px_o <= (others => 'Z'); -- price
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order_px_o <= (others => 'Z'); -- price
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| Line 259... |
Line 259... |
order_px_o <= (others => 'Z'); -- price
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order_px_o <= (others => 'Z'); -- price
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order_qty_o <= (others => 'Z'); -- quantity
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order_qty_o <= (others => 'Z'); -- quantity
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order_sec_o <= (others => 'Z'); -- 7x 8bits securities identifier
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order_sec_o <= (others => 'Z'); -- 7x 8bits securities identifier
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order_id_o <= (others => 'Z'); -- unique/identifier/counter
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order_id_o <= (others => 'Z'); -- unique/identifier/counter
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state <= 16;
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state <= 16;
|
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when 5 =>
|
|
-- wait a clock cycle for search_item procesing
|
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b1_px_valid <= '0';
|
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state <= 6;
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when 6 =>
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when 6 =>
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-- sent query to set px and qty for a given security
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-- sent query to set px and qty for a given security
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if b2_px_type = std_logic_vector'("00110") then
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if b2_px_type = std_logic_vector'("00110") then
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-- it's a known security and the value has been set
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-- it's a known security and the value has been set
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order_px_type_o <= b2_px_type;
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order_px_type_o <= b2_px_type;
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| Line 288... |
Line 292... |
b1_px <= store_px;
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b1_px <= store_px;
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b1_qty <= store_qty;
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b1_qty <= store_qty;
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b1_sec <= store_sec;
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b1_sec <= store_sec;
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b1_id <= std_logic_vector(to_unsigned(searchitems_count,16));
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b1_id <= std_logic_vector(to_unsigned(searchitems_count,16));
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b1_px_valid <= '1';
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b1_px_valid <= '1';
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state <= 4; -- increment items counter / send success
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state <= 3; -- increment items counter / send success
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end if;
|
end if;
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end if;
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end if;
|
|
when 3 =>
|
|
-- wait a clock cycle for search_item procesing
|
|
b1_px_valid <= '0';
|
|
state <= 4;
|
when 4 =>
|
when 4 =>
|
-- have set a new item, increment count and return
|
-- have set a new item, increment count and return
|
searchitems_count <= searchitems_count + 1;
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searchitems_count <= searchitems_count + 1;
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order_px_type_o <= std_logic_vector'("01010"); -- b2_px_type; --
|
order_px_type_o <= std_logic_vector'("01010"); -- b2_px_type; --
|
order_buy_sell_o <= (others => 'Z');
|
order_buy_sell_o <= (others => 'Z');
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| Line 317... |
Line 325... |
b1_qty <= (others => 'Z');
|
b1_qty <= (others => 'Z');
|
b1_sec <= (others => 'Z');
|
b1_sec <= (others => 'Z');
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b1_id <= (others => 'Z');
|
b1_id <= (others => 'Z');
|
b1_px_valid <= '0';
|
b1_px_valid <= '0';
|
state <= 16;
|
state <= 16;
|
|
when 9 =>
|
|
-- wait a clock cycle for search_item procesing
|
|
b1_px_valid <= '0';
|
|
state <= 10;
|
when 10 =>
|
when 10 =>
|
if b2_px_type = std_logic_vector'("11100") then
|
if b2_px_type = std_logic_vector'("11100") then
|
-- got a hit .. send it
|
-- got a hit .. send it
|
order_px_type_o <= std_logic_vector'("11100");
|
order_px_type_o <= std_logic_vector'("11100");
|
order_px_valid_o <= '1';
|
order_px_valid_o <= '1';
|
