use work.textmode_vga_pkg.all;
use work.textmode_vga_platform_dependent_pkg.all;
use work.ps2_keyboard_controller_pkg.all;
+use work.sync_pkg.all;
entity calc is
port (
-- btnA
-- TODO: pins
-- rs232
- -- TODO: pins
+ --rxd : in std_logic;
+ txd : out std_logic;
-- vga
vsync_n : out std_logic;
hsync_n : out std_logic;
signal p_finished : std_logic;
-- parser/scanner
signal do_it, finished : 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);
begin
led0 <= '0';
led1 <= '1';
s_backspace => s_backspace,
-- parser
do_it => do_it,
- finished => finished
+ finished => finished,
+ -- test: uart_tx
+ tx_data => tx_data,
+ tx_new => tx_new
);
-- ps/2
ps2_clk => ps2_clk,
ps2_data => ps2_data
);
+
+ -- synchronizer fuer rxd
+ --sync_rxd_inst : entity work.sync(beh)
+ --generic map (
+ -- SYNC_STAGES => 2,
+ -- RESET_VALUE => '1'
+-- )
+ --port map (
+ -- sys_clk => CLK_50MHZ,
+ -- sys_res_n => sys_res_n,
+ -- data_in => rxd,
+ -- data_out => rxd_sync
+ --);
+
+ -- rs232-rx
+ --rs232rx_inst : entity work.uart_rx(beh)
+ --generic map (
+ -- CLK_FREQ => 50000000,
+ -- BAUDRATE => 115200
+ --)
+ --port map (
+ -- sys_clk => CLK_50MHZ,
+ -- sys_res_n => sys_res_n,
+ -- rxd => rxd_sync,
+ -- rx_data => rx_data,
+ -- rx_new => rx_new
+ --);
+
+ -- rs232-tx
+ rs232tx_inst : entity work.uart_tx(beh)
+ generic map (
+ CLK_FREQ => 50000000,
+ BAUDRATE => 115200
+ )
+ port map (
+ sys_clk => CLK_50MHZ,
+ sys_res_n => sys_res_n,
+ txd => txd,
+ tx_data => tx_data,
+ tx_new => tx_new,
+ tx_done => tx_done
+ );
end architecture top;