| Line 77... |
Line 77... |
-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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-- controll bus
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-- controll bus
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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signal s_EMPTY, s_FULL : std_logic;
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signal s_EMPTY, s_FULL : std_logic;
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signal s_RX_DATA : std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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signal s_RX_DATA : std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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signal s_RD_EN, s_WR_EN : std_logic;
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signal s_RD_EN, s_WR_EN, s_EOM : std_logic;
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signal s_TX_DATA : std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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signal s_TX_DATA : std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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signal s_ABORT, s_ABORT_TMP : std_logic;
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signal s_ABORT, s_ABORT_TMP : std_logic;
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signal s_RX_DATA_TMP : std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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signal s_RX_DATA_TMP : std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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| Line 102... |
Line 102... |
o_RX : out std_logic;
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o_RX : out std_logic;
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o_TX : out std_logic;
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o_TX : out std_logic;
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i_RD_EN : in std_logic;
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i_RD_EN : in std_logic;
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o_EMPTY : out std_logic;
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o_EMPTY : out std_logic;
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o_RX_DATA : out std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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o_RX_DATA : out std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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i_EOM : in std_logic;
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i_WR_EN : in std_logic;
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i_WR_EN : in std_logic;
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o_FULL : out std_logic;
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o_FULL : out std_logic;
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i_TX_DATA : in std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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i_TX_DATA : in std_logic_vector(SIZE_DBUS_GPIF-1 downto 0);
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i_IFCLK : in std_logic;
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i_IFCLK : in std_logic;
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i_WRU : in std_logic;
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i_WRU : in std_logic;
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| Line 131... |
Line 132... |
o_RX => o_LEDrx,
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o_RX => o_LEDrx,
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o_TX => o_LEDtx,
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o_TX => o_LEDtx,
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i_RD_EN => s_RD_EN,
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i_RD_EN => s_RD_EN,
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o_EMPTY => s_EMPTY,
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o_EMPTY => s_EMPTY,
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o_RX_DATA => s_RX_DATA,
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o_RX_DATA => s_RX_DATA,
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i_EOM => s_EOM,
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i_WR_EN => s_WR_EN,
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i_WR_EN => s_WR_EN,
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o_FULL => s_FULL,
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o_FULL => s_FULL,
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i_TX_DATA => s_TX_DATA,
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i_TX_DATA => s_TX_DATA,
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--i_IFCLK => i_SYSCLK,
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--i_IFCLK => i_SYSCLK,
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i_IFCLK => i_IFCLK,
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i_IFCLK => i_IFCLK,
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| Line 164... |
Line 166... |
begin
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begin
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if i_nReset = '0' then
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if i_nReset = '0' then
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v_rx_throtle_count := (others => '0');
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v_rx_throtle_count := (others => '0');
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s_RD_EN <= '0';
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s_RD_EN <= '0';
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elsif i_SYSCLK = '1' and i_SYSCLK'event then
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elsif i_SYSCLK = '1' and i_SYSCLK'event then
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if v_rx_throtle_count >= 2 then
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if v_rx_throtle_count >= 10 then
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s_RD_EN <= '1';
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s_RD_EN <= '1';
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v_rx_throtle_count := (others => '0');
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v_rx_throtle_count := (others => '0');
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else
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else
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v_rx_throtle_count := v_rx_throtle_count + 1;
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v_rx_throtle_count := v_rx_throtle_count + 1;
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s_RD_EN <= '0';
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s_RD_EN <= '0';
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| Line 218... |
Line 220... |
-- outputs: s_RX_DATA_TMP
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-- outputs: s_RX_DATA_TMP
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rom_adress_counter: process (i_SYSCLK, i_nReset)
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rom_adress_counter: process (i_SYSCLK, i_nReset)
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begin
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begin
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if i_nReset = '0' then
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if i_nReset = '0' then
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s_rom_adress <= (others => '0');
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s_rom_adress <= (others => '0');
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--s_WR_EN <= '1';
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s_WR_EN <= '0';
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s_WR_EN <= '0';
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--s_WR_EN <= '0';
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elsif i_SYSCLK = '1' and i_SYSCLK'event then
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elsif i_SYSCLK = '1' and i_SYSCLK'event then
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if s_rom_adress = 24 then
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if s_rom_adress >= 24 then
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s_rom_adress <= s_rom_adress;
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s_rom_adress <= s_rom_adress;
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s_WR_EN <= '0';
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s_WR_EN <= '0';
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s_EOM <= '1';
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else
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else
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if s_FULL ='0' then
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s_rom_adress <= s_rom_adress + 1;
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s_rom_adress <= s_rom_adress + 1;
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--s_WR_EN <= '1';
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s_WR_EN <= '1';
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s_WR_EN <= '0';
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end if;
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s_EOM <= '0';
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end if;
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end if;
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end if;
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end if;
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end process rom_adress_counter;
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end process rom_adress_counter;
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end behaviour;
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end behaviour;
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