use work.textmode_vga_pkg.all;
use work.textmode_vga_platform_dependent_pkg.all;
use work.ps2_keyboard_controller_pkg.all;
+use work.debounce_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;
end entity calc;
architecture top of calc is
+ -- ps/2
+ signal new_data : std_logic;
+ signal data : std_logic_vector(7 downto 0);
-- vga
signal vga_clk, free : std_logic;
+ -- vga/display
signal command : std_logic_vector(COMMAND_SIZE - 1 downto 0);
signal command_data : std_logic_vector(3 * COLOR_SIZE + CHAR_SIZE -1 downto 0);
+ -- history/display
+ signal d_new_eingabe, d_new_result, d_new_bs : std_logic;
+ signal d_zeile : hzeile;
+ signal d_spalte : hspalte;
+ signal d_get, d_done : std_logic;
+ signal d_char : hbyte;
+ -- history/scanner
+ signal s_char : hbyte;
+ signal s_take, s_done, s_backspace : std_logic;
+ -- history/parser
+ signal p_rget : std_logic;
+ signal p_rdone : std_logic;
+ signal p_read : hbyte;
+ signal p_wtake : std_logic;
+ signal p_wdone : std_logic;
+ signal p_write : hbyte;
+ signal p_finished : 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);
begin
-- vga/ipcore
textmode_vga_inst : entity work.textmode_vga(struct)
)
port map (
sys_clk => sys_clk,
- sys_res_n => sys_res_n,
+ sys_res_n => sys_res_n_sync,
command => command,
command_data => command_data,
free => free,
vga_clk => vga_clk,
- vga_res_n => sys_res_n,
+ vga_res_n => sys_res_n_sync,
vsync_n => vsync_n,
hsync_n => hsync_n,
r => r,
c0 => vga_clk
);
- -- TODO: display
- -- TODO: history
- -- TODO: scanner
- -- TODO: ps/2
+ -- display
+ display_inst : entity work.display(beh)
+ port map (
+ sys_clk => sys_clk,
+ sys_res_n => sys_res_n_sync,
+ -- history
+ d_new_eingabe => d_new_eingabe,
+ d_new_result => d_new_result,
+ d_new_bs => d_new_bs,
+ d_zeile => d_zeile,
+ d_spalte => d_spalte,
+ d_get => d_get,
+ d_done => d_done,
+ d_char => d_char,
+ -- vga
+ command => command,
+ command_data => command_data,
+ free => free
+ );
+
+ -- history
+ history_inst : entity work.history(beh)
+ port map (
+ sys_clk => sys_clk,
+ sys_res_n => sys_res_n_sync,
+ -- scanner
+ s_char => s_char,
+ s_take => s_take,
+ s_done => s_done,
+ s_backspace => s_backspace,
+ -- display
+ d_new_eingabe => d_new_eingabe,
+ d_new_result => d_new_result,
+ d_new_bs => d_new_bs,
+ d_zeile => d_zeile,
+ d_spalte => d_spalte,
+ d_get => d_get,
+ d_done => d_done,
+ d_char => d_char,
+ -- parser
+ p_rget => p_rget,
+ p_rdone => p_rdone,
+ p_read => p_read,
+ p_wtake => p_wtake,
+ p_wdone => p_wdone,
+ p_write => p_write,
+ p_finished => p_finished,
+ -- pc communication
+ pc_get => '0',
+ pc_spalte => (others => '0'),
+ pc_zeile => (others => '0'),
+ pc_char => open,
+ pc_done => open
+
+ );
+
+ -- parser
+ parser_inst : entity work.parser(beh)
+ port map (
+ sys_clk => sys_clk,
+ sys_res_n => sys_res_n_sync,
+ -- history
+ p_rget => p_rget,
+ p_rdone => p_rdone,
+ p_read => p_read,
+ p_wtake => p_wtake,
+ p_wdone => p_wdone,
+ p_write => p_write,
+ p_finished => p_finished,
+ -- scanner
+ do_it => do_it,
+ finished => finished
+ );
+
+ -- scanner
+ scanner_inst : entity work.scanner(beh)
+ port map (
+ sys_clk => sys_clk,
+ sys_res_n => sys_res_n_sync,
+ -- ps/2
+ new_data => new_data,
+ data => data,
+ -- history
+ s_char => s_char,
+ s_take => s_take,
+ s_done => s_done,
+ s_backspace => s_backspace,
+ -- parser
+ do_it => do_it,
+ finished => finished
+ );
+
+ -- ps/2
+ ps2_inst : entity work.ps2_keyboard_controller(beh)
+ generic map (
+ CLK_FREQ => 33330000,
+ SYNC_STAGES => 2
+ )
+ port map (
+ sys_clk => sys_clk,
+ sys_res_n => sys_res_n_sync,
+ -- scanner
+ new_data => new_data,
+ data => data,
+ ps2_clk => ps2_clk,
+ ps2_data => ps2_data
+ );
+
+ -- debouncer fuer sys_res_n
+ sys_res_n_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 => 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
+ );
+
+ -- 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
+ );
end architecture top;
projects / hwmod.git / blobdiff