port (
CLK_50MHZ : in std_logic;
sys_res : in std_logic;
- -- btnA
- -- TODO: pins
+ -- btnA (here: "btn west")
+ btn_a : in std_logic;
-- rs232
rxd : in std_logic;
txd : out std_logic;
end entity calc;
architecture top of calc is
+ constant CLK_FREQ : integer := 50000000;
+ constant BAUDRATE : integer := 115200;
-- reset
signal sys_res_n : std_logic;
-- ps/2
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;
-- rs232
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
-- ps/2
ps2_inst : entity work.ps2_keyboard_controller(beh)
generic map (
- CLK_FREQ => 50000000,
+ CLK_FREQ => CLK_FREQ,
SYNC_STAGES => 2
)
port map (
-- rs232-rx
rs232rx_inst : entity work.uart_rx(beh)
generic map (
- CLK_FREQ => 50000000,
- BAUDRATE => 115200
+ CLK_FREQ => CLK_FREQ,
+ BAUDRATE => BAUDRATE
)
port map (
sys_clk => CLK_50MHZ,
-- rs232-tx
rs232tx_inst : entity work.uart_tx(beh)
generic map (
- CLK_FREQ => 50000000,
- BAUDRATE => 115200
+ CLK_FREQ => CLK_FREQ,
+ BAUDRATE => BAUDRATE
)
port map (
sys_clk => CLK_50MHZ,
tx_new => tx_new,
tx_done => tx_done
);
+
+ -- pc-com
+ pc_com_inst : entity work.pc_communication(beh)
+ port map (
+ sys_clk => CLK_50MHZ,
+ sys_res_n => sys_res_n,
+ --button
+ btn_a => not btn_a,
+ --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
+ pc_zeile => pc_zeile,
+ pc_spalte => pc_spalte,
+ pc_get => pc_get,
+ pc_done => pc_done,
+ pc_char => pc_char
+ );
end architecture top;