added pc_communication and btn_a to quartus project

[hwmod.git] / src / calc.vhd

diff --git a/src/calc.vhd b/src/calc.vhd
index cdee994ba039e688a034856345e279613f82c02c..420e2734e01b700bfa5847f51fca5d90129ffbf2 100644 (file)
--- a/src/calc.vhd
+++ b/src/calc.vhd
@@ -14,9 +14,10 @@ entity calc is
                sys_clk : in std_logic;
                sys_res_n : in std_logic;
                -- btnA
-               -- TODO: pins
+               btn_a : in std_logic;
                -- rs232
-               -- TODO: pins
+               rxd : in std_logic;
+               txd : out std_logic;
                -- vga
                vsync_n : out std_logic;
                hsync_n : out std_logic;
@@ -55,10 +56,24 @@ architecture top of calc is
        signal p_wdone : std_logic;
        signal p_write : hbyte;
        signal p_finished : std_logic;
+       --history/pc_com
+       signal pc_get : std_logic;
+       signal pc_spalte : hspalte;
+       signal pc_zeile : hzeile;
+       signal pc_char : hbyte;
+       signal pc_done : std_logic;
        -- parser/scanner
        signal do_it, finished : std_logic;
        -- debouncing
        signal sys_res_n_sync : std_logic;
+       -- rs232
+       signal rx_new, rxd_sync : std_logic;
+       signal rx_data : std_logic_vector (7 downto 0);
+       signal tx_new, tx_done : std_logic;
+       signal tx_data : std_logic_vector (7 downto 0);
+
+       signal btn_a_sync : std_logic;
+
 begin
        -- vga/ipcore
        textmode_vga_inst : entity work.textmode_vga(struct)
@@ -135,7 +150,14 @@ begin
                p_wtake => p_wtake,
                p_wdone => p_wdone,
                p_write => p_write,
-               p_finished => p_finished
+               p_finished => p_finished,
+               -- pc communication
+               pc_get =>  pc_get,
+               pc_spalte => pc_spalte,
+               pc_zeile => pc_zeile,
+               pc_char => pc_char,
+               pc_done => pc_done
+
        );
 
        -- parser
@@ -204,5 +226,84 @@ begin
                data_in => sys_res_n,
                data_out => sys_res_n_sync
        );
+
+       -- synchronizer fuer rxd
+       sync_rxd_inst : entity work.sync(beh)
+       generic map (
+               SYNC_STAGES => 2,
+               RESET_VALUE => '1'
+       )
+       port map (
+               sys_clk => sys_clk,
+               sys_res_n => sys_res_n_sync,
+               data_in => rxd,
+               data_out => rxd_sync
+       );
+
+       -- debouncer fuer btn_a
+       btn_a_debounce_inst : debounce
+       generic map (
+               CLK_FREQ => 33330000,
+               TIMEOUT => 1 ms,
+               RESET_VALUE => '1',
+               SYNC_STAGES => 2
+       )
+       port map (
+               sys_clk => sys_clk,
+               sys_res_n => '1',
+               data_in => btn_a,
+               data_out => btn_a_sync
+       );
+
+       -- rs232-rx
+       rs232rx_inst : entity work.uart_rx(beh)
+       generic map (
+               CLK_FREQ => 33330000,
+               BAUDRATE => 115200
+       )
+       port map (
+               sys_clk => sys_clk,
+               sys_res_n => sys_res_n_sync,
+               rxd => rxd_sync,
+               rx_data => rx_data,
+               rx_new => rx_new
+       );
+
+       -- rs232-tx
+       rs232tx_inst : entity work.uart_tx(beh)
+       generic map (
+               CLK_FREQ => 33330000,
+               BAUDRATE => 115200
+       )
+       port map (
+               sys_clk => sys_clk,
+               sys_res_n => sys_res_n,
+               txd => txd,
+               tx_data => tx_data,
+               tx_new => tx_new,
+               tx_done => tx_done
+       );
+
+       pc_com_inst : entity work.pc_communication(beh)
+       port map (
+               sys_clk => sys_clk,
+               sys_res_n => sys_res_n,
+               --button
+               btn_a => btn_a_sync,
+               --uart_tx
+               tx_data => tx_data,
+               tx_new => tx_new,
+               tx_done => tx_done,
+               --uart_rx
+               rx_data => rx_data,
+               rx_new => rx_new,
+               -- History
+               d_zeile => pc_zeile,
+               d_spalte => pc_spalte,
+               d_get => pc_get,
+               d_done => pc_done,
+               d_char => pc_char
+       );
+
 end architecture top;