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craighaywo |
----------------------------------------------------------------------------------
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-- Company:
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-- Engineer:
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--
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-- Create Date: 10:39:01 10/19/2014
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-- Design Name:
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-- Module Name: user_input_handler - Behavioral
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-- Project Name:
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-- Target Devices:
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-- Tool versions:
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-- Description:
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--
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-- Dependencies:
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--
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-- Revision:
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-- Revision 0.01 - File Created
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-- Additional Comments:
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--
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----------------------------------------------------------------------------------
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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use IEEE.NUMERIC_STD.ALL;
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-- Uncomment the following library declaration if instantiating
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-- any Xilinx primitives in this code.
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--library UNISIM;
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--use UNISIM.VComponents.all;
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entity user_input_handler is
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Port ( CLK_IN : in STD_LOGIC;
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RX_IN : in STD_LOGIC;
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TX_OUT : out STD_LOGIC;
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TEXT_ADDR_IN : in STD_LOGIC_VECTOR (11 downto 0);
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TEXT_DATA_OUT : out STD_LOGIC_VECTOR (7 downto 0);
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FONT_ADDR_IN : in STD_LOGIC_VECTOR (11 downto 0);
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FONT_DATA_OUT : out STD_LOGIC_VECTOR (7 downto 0);
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CURSORPOS_X_OUT : out STD_LOGIC_VECTOR (7 downto 0);
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CURSORPOS_Y_OUT : out STD_LOGIC_VECTOR (7 downto 0);
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ADDR_OUT : out STD_LOGIC_VECTOR(7 downto 0);
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DATA_IN : in STD_LOGIC_VECTOR(7 downto 0);
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ETH_COMMAND_OUT : out STD_LOGIC_VECTOR(3 downto 0);
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ETH_COMMAND_EN_OUT : out STD_LOGIC;
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ETH_COMMAND_CMPLT_IN : in STD_LOGIC;
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ETH_COMMAND_ERR_IN : in STD_LOGIC_VECTOR(7 downto 0);
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CLK_1HZ_IN : in STD_LOGIC
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-- DEBUG_OUT : out STD_LOGIC_VECTOR(7 downto 0);
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-- DEBUG_OUT2 : out STD_LOGIC_VECTOR(7 downto 0)
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);
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end user_input_handler;
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architecture Behavioral of user_input_handler is
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COMPONENT uart
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Generic (
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CLK_FREQ : integer := 50; -- Main frequency (MHz)
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SER_FREQ : integer := 9600 -- Baud rate (bps)
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);
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Port (
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-- Control
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clk : in std_logic; -- Main clock
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rst : in std_logic; -- Main reset
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-- External Interface
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rx : in std_logic; -- RS232 received serial data
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tx : out std_logic; -- RS232 transmitted serial data
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-- RS232/UART Configuration
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par_en : in std_logic; -- Parity bit enable
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-- uPC Interface
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tx_req : in std_logic; -- Request SEND of data
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tx_end : out std_logic; -- Data SENDED
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tx_data : in std_logic_vector(7 downto 0); -- Data to transmit
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rx_ready : out std_logic; -- Received data ready to uPC read
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rx_data : out std_logic_vector(7 downto 0) -- Received data
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);
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END COMPONENT;
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COMPONENT TDP_RAM
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Generic (G_DATA_A_SIZE :natural :=32;
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G_ADDR_A_SIZE :natural :=9;
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G_RELATION :natural :=3;
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G_INIT_ZERO :boolean := true;
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G_INIT_FILE :string :="");--log2(SIZE_A/SIZE_B)
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Port ( CLK_A_IN : in STD_LOGIC;
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WE_A_IN : in STD_LOGIC;
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ADDR_A_IN : in STD_LOGIC_VECTOR (G_ADDR_A_SIZE-1 downto 0);
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DATA_A_IN : in STD_LOGIC_VECTOR (G_DATA_A_SIZE-1 downto 0);
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DATA_A_OUT : out STD_LOGIC_VECTOR (G_DATA_A_SIZE-1 downto 0);
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CLK_B_IN : in STD_LOGIC;
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WE_B_IN : in STD_LOGIC;
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ADDR_B_IN : in STD_LOGIC_VECTOR (G_ADDR_A_SIZE+G_RELATION-1 downto 0);
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DATA_B_IN : in STD_LOGIC_VECTOR (G_DATA_A_SIZE/(2**G_RELATION)-1 downto 0);
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DATA_B_OUT : out STD_LOGIC_VECTOR (G_DATA_A_SIZE/(2**G_RELATION)-1 downto 0));
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END COMPONENT;
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COMPONENT FONT_MEM
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PORT (
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clka : IN STD_LOGIC;
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wea : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
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addra : IN STD_LOGIC_VECTOR(11 DOWNTO 0);
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dina : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
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douta : OUT STD_LOGIC_VECTOR(7 DOWNTO 0));
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END COMPONENT;
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COMPONENT hex_to_ascii is
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Port ( CLK_IN : in STD_LOGIC;
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CONV_IN : in STD_LOGIC;
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HEX_IN : in STD_LOGIC_VECTOR (3 downto 0);
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ASCII_OUT : out STD_LOGIC_VECTOR (7 downto 0);
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CONV_DONE_OUT : out STD_LOGIC);
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END COMPONENT;
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COMPONENT bin_to_bcd
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Port ( CLK_IN : in STD_LOGIC;
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CONV_IN : in STD_LOGIC;
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BIN_IN : in STD_LOGIC_VECTOR (7 downto 0);
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BCD_OUT : out STD_LOGIC_VECTOR (11 downto 0);
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CONV_DONE_OUT : out STD_LOGIC);
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END COMPONENT;
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subtype slv is std_logic_vector;
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constant C_backspace_cmnd : std_logic_vector(7 downto 0) := X"80";
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constant C_esc_cmnd : std_logic_vector(7 downto 0) := X"81";
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constant C_enter_cmnd : std_logic_vector(7 downto 0) := X"82";
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constant C_new_line_cmnd : std_logic_vector(7 downto 0) := X"83";
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constant C_clear_cmnd : std_logic_vector(7 downto 0) := X"84";
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constant C_no_op_cmnd : std_logic_vector(7 downto 0) := X"FF";
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constant C_space_char : std_logic_vector(7 downto 0) := X"20";
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constant C_max_char : std_logic_vector(11 downto 0) := X"C2F"; -- 3119 (zero indexed)
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constant C_page_height : std_logic_vector(7 downto 0) := X"26"; -- 39 (zero indexed)
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constant C_page_width : std_logic_vector(7 downto 0) := X"4F"; -- 80 (zero indexed)
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constant C_page_width_p1 : std_logic_vector(7 downto 0) := X"50"; -- 80
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constant C_clear_command : std_logic_vector(15 downto 0) := X"18B0";
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constant C_show_network_all_command : std_logic_vector(15 downto 0) := X"A653";
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constant C_show_network_enabled_command : std_logic_vector(15 downto 0) := X"D9A2";
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constant C_show_mac_command : std_logic_vector(15 downto 0) := X"D952";
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constant C_show_ip_setting_command : std_logic_vector(15 downto 0) := X"E2BA";
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constant C_show_ip_command : std_logic_vector(15 downto 0) := X"6C54";
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constant C_show_cloud_ip_command : std_logic_vector(15 downto 0) := X"413F";
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constant C_show_tcp_port_command : std_logic_vector(15 downto 0) := X"46C3";
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constant C_show_ping_enabled_command : std_logic_vector(15 downto 0) := X"95B0";
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constant C_set_network_init_command : std_logic_vector(15 downto 0) := X"1853";
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constant C_connect_local_command : std_logic_vector(15 downto 0) := X"00FE";
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constant C_connect_cloud_command : std_logic_vector(15 downto 0) := X"004C";
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signal C_net_enabled_message_addr : std_logic_vector(8 downto 0) := '0'&X"00";
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signal C_mac_message_addr : std_logic_vector(8 downto 0) := '0'&X"16";
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signal C_show_ip_setting_addr : std_logic_vector(8 downto 0) := '0'&X"25";
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signal C_show_ip_addr : std_logic_vector(8 downto 0) := '0'&X"33";
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signal C_show_cloud_ip_addr : std_logic_vector(8 downto 0) := '0'&X"41";
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signal C_local_connect_addr : std_logic_vector(8 downto 0) := '0'&X"8B";
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signal C_cloud_connect_addr : std_logic_vector(8 downto 0) := '0'&X"9C";
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signal C_unknown_messge_addr : std_logic_vector(8 downto 0) := '1'&X"00";
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signal C_true_message_addr : std_logic_vector(8 downto 0) := '1'&X"14";
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signal C_false_message_addr : std_logic_vector(8 downto 0) := '1'&X"19";
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signal C_success_message_addr : std_logic_vector(8 downto 0) := '1'&X"1F";
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signal C_failed_message_addr : std_logic_vector(8 downto 0) := '1'&X"27";
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signal C_dynamic_addr : std_logic_vector(8 downto 0) := '1'&X"2E";
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signal C_static_addr : std_logic_vector(8 downto 0) := '1'&X"36";
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signal C_end_of_message_char : std_logic_vector(7 downto 0) := X"FF";
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type SLV_BYTE_ARRAY16 is array (0 to 15) of std_logic_vector(7 downto 0);
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constant prompt_array_inst : SLV_BYTE_ARRAY16 := ( X"20", X"76", X"61", X"75", X"6C", X"74", X"7E", X"24",
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X"20", X"20", X"20", X"20", X"20", X"20", X"20", X"20");
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constant C_prompt_array_length : std_logic_vector(3 downto 0) := "1001";
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signal prompt_ram_index : unsigned(3 downto 0) := (others => '0');
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signal startup_count : unsigned(27 downto 0) := X"17D7840"; -- 1 sec @ 25 MHz
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signal char_buf_wr, char_cmd_wr : std_logic := '0';
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signal char_buf_wr_addr : unsigned(11 downto 0) := (others => '0');
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signal char_buf_wr_data : std_logic_vector(7 downto 0) := (others => '0');
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signal ocrx, ocry : unsigned(7 downto 0) := (others => '0');
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signal char_buf_x_coord : unsigned(7 downto 0);
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signal debug2 : unsigned(7 downto 0) := (others => '0');
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signal show_ip_start_addr : std_logic_vector(7 downto 0) := (others => '0');
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signal keyboard_data, keyboard_data_buf : std_logic_vector(7 downto 0) := (others => '0');
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signal keyboard_rd, handle_backspace, handle_enter : std_logic := '0';
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type SLV_BYTE_ARRAY32 is array (0 to 31) of std_logic_vector(7 downto 0);
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signal command_ram_inst : SLV_BYTE_ARRAY32 := (others => (others => '0'));
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signal command_ram_index, command_ram_index_max : unsigned(4 downto 0) := (others => '0');
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signal command_hash : unsigned(15 downto 0) := (others => '0');
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signal screen_wr_buf_byte, screen_rd_buf_byte : std_logic_vector(7 downto 0);
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signal screen_wr_buffer_index : unsigned(4 downto 0) := (others => '0');
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signal screen_buf_we : std_logic := '0';
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signal screen_rd_buffer_index : unsigned(4 downto 0) := (others => '0');
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signal screen_msg_addr : unsigned(8 downto 0) := (others => '0');
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signal screen_msg_char : std_logic_vector(7 downto 0);
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signal networking_enabled, dhcp_enabled : std_logic := '0';
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signal eth_command : std_logic_vector(3 downto 0) := X"0";
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signal eth_command_en, eth_command_cmplt : std_logic := '0';
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signal eth_command_err : std_logic_vector(7 downto 0);
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signal hex_conv, hex_conv_done : std_logic := '0';
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signal hex_val : std_logic_vector(3 downto 0) := X"0";
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signal ascii_val : std_logic_vector(7 downto 0) := X"00";
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signal addr : unsigned(7 downto 0);
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signal bcd_conv, bcd_conv_done : std_logic := '0';
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signal bin_val : std_logic_vector(7 downto 0) := (others => '0');
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signal bcd_val : std_logic_vector(11 downto 0) := (others => '0');
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signal clk_1hz : std_logic := '0';
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signal dhcp_second_count, tcp_second_count : unsigned(3 downto 0);
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type HANDLE_KEYBOARD_ST is ( STARTUP_DELAY,
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PRINT_COMMAND_PROMPT0,
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PRINT_COMMAND_PROMPT1,
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PRINT_COMMAND_PROMPT2,
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IDLE,
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PARSE_KEY_PRESSED,
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HANDLE_KEY_PRESSED0,
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HANDLE_KEY_PRESSED1,
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HANDLE_COMMAND,
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HANDLE_BACKSPACE0,
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HANDLE_BACKSPACE1,
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HANDLE_BACKSPACE2,
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HANDLE_BACKSPACE3,
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HANDLE_BACKSPACE4,
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HANDLE_COMMAND_SUBMIT0,
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HANDLE_COMMAND_SUBMIT1,
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HANDLE_COMMAND_SUBMIT2,
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HANDLE_COMMAND_SUBMIT3,
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HANDLE_COMMAND_SUBMIT4,
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NEW_LINE_W_NEW_PROMPT0,
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NEW_LINE_W_NEW_PROMPT1,
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REPORT_UNKNOWN_COMMAND1,
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REPORT_UNKNOWN_COMMAND2,
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REPORT_UNKNOWN_COMMAND3,
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REPORT_UNKNOWN_COMMAND4,
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HANDLE_CLEAR_COMMAND0,
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HANDLE_CLEAR_COMMAND1,
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HANDLE_NETWORK_INIT_COMMAND0,
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HANDLE_NETWORK_INIT_COMMAND1,
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HANDLE_NETWORK_ENABLED_COMMAND0,
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HANDLE_NETWORK_ENABLED_COMMAND1,
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HANDLE_NETWORK_ENABLED_COMMAND2,
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HANDLE_NETWORK_ENABLED_COMMAND3,
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HANDLE_NETWORK_ENABLED_COMMAND4,
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HANDLE_NETWORK_ENABLED_COMMAND5,
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HANDLE_SHOW_MAC_COMMAND0,
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HANDLE_SHOW_MAC_COMMAND1,
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HANDLE_SHOW_MAC_COMMAND2,
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HANDLE_SHOW_MAC_COMMAND3,
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HANDLE_SHOW_MAC_COMMAND4,
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HANDLE_SHOW_MAC_COMMAND5,
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HANDLE_SHOW_MAC_COMMAND6,
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HANDLE_SHOW_MAC_COMMAND7,
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HANDLE_SHOW_MAC_COMMAND8,
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HANDLE_SHOW_MY_IP_COMMAND,
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HANDLE_SHOW_CLOUD_IP_COMMAND,
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HANDLE_SHOW_IP_COMMAND0,
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HANDLE_SHOW_IP_COMMAND1,
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HANDLE_SHOW_IP_COMMAND2,
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HANDLE_SHOW_IP_COMMAND3,
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HANDLE_SHOW_IP_COMMAND4,
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HANDLE_SHOW_IP_COMMAND5,
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HANDLE_SHOW_IP_COMMAND6,
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HANDLE_SHOW_IP_COMMAND7,
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HANDLE_SHOW_IP_COMMAND8,
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|
|
HANDLE_SHOW_IP_COMMAND9,
|
| 275 |
|
|
HANDLE_SHOW_IP_SETTING_COMMAND0,
|
| 276 |
|
|
HANDLE_SHOW_IP_SETTING_COMMAND1,
|
| 277 |
|
|
HANDLE_SHOW_IP_SETTING_COMMAND2,
|
| 278 |
|
|
HANDLE_SHOW_IP_SETTING_COMMAND3,
|
| 279 |
|
|
HANDLE_SHOW_IP_SETTING_COMMAND4,
|
| 280 |
|
|
HANDLE_SHOW_IP_SETTING_COMMAND5,
|
| 281 |
|
|
HANDLE_CONNECT_LOCAL0,
|
| 282 |
|
|
HANDLE_CONNECT_LOCAL1,
|
| 283 |
|
|
HANDLE_CONNECT_LOCAL2,
|
| 284 |
|
|
HANDLE_CONNECT_LOCAL3,
|
| 285 |
|
|
HANDLE_CONNECT_CLOUD_COMMAND0,
|
| 286 |
|
|
HANDLE_CONNECT_CLOUD_COMMAND1,
|
| 287 |
|
|
HANDLE_CONNECT_CLOUD_COMMAND2,
|
| 288 |
|
|
HANDLE_CONNECT_CLOUD_COMMAND3,
|
| 289 |
|
|
HANDLE_CONNECT_CLOUD_COMMAND4,
|
| 290 |
|
|
HANDLE_CONNECT_CLOUD_COMMAND5,
|
| 291 |
|
|
CONNECT_DHCP_COMMAND0,
|
| 292 |
|
|
CONNECT_DHCP_COMMAND1,
|
| 293 |
|
|
CONNECT_DHCP_COMMAND2,
|
| 294 |
|
|
CONNECT_DHCP_COMMAND3,
|
| 295 |
|
|
CONNECT_DHCP_COMMAND4,
|
| 296 |
|
|
CONNECT_DHCP_COMMAND5,
|
| 297 |
|
|
CONNECT_DHCP_COMMAND6,
|
| 298 |
|
|
CONNECT_DHCP_COMMAND7,
|
| 299 |
|
|
CANCEL_DHCP_CONNECT0,
|
| 300 |
|
|
CONNECT_STATIC_COMMAND0,
|
| 301 |
|
|
CONNECT_STATIC_COMMAND1,
|
| 302 |
|
|
PRINT_COMMAND_RESULT0,
|
| 303 |
|
|
PRINT_COMMAND_RESULT1);
|
| 304 |
|
|
|
| 305 |
|
|
signal hk_state, hk_next_state, hk_prev_state, hk_cached_state : HANDLE_KEYBOARD_ST := STARTUP_DELAY;
|
| 306 |
|
|
|
| 307 |
|
|
type SCREEN_BUF_ST is ( SB_IDLE,
|
| 308 |
|
|
SB_PARSE_NEW_BYTE,
|
| 309 |
|
|
SB_HANDLE_CHARACTER0,
|
| 310 |
|
|
SB_HANDLE_CHARACTER1,
|
| 311 |
|
|
SB_HANDLE_COMMAND,
|
| 312 |
|
|
SB_HANDLE_BACKSPACE,
|
| 313 |
|
|
SB_HANDLE_NEW_LINE,
|
| 314 |
|
|
SB_HANDLE_CLEAR);
|
| 315 |
|
|
|
| 316 |
|
|
signal sb_state, sb_next_state : SCREEN_BUF_ST := SB_IDLE;
|
| 317 |
|
|
|
| 318 |
|
|
begin
|
| 319 |
|
|
|
| 320 |
|
|
clk_1hz <= CLK_1HZ_IN;
|
| 321 |
|
|
|
| 322 |
|
|
-- DEBUG_OUT <= slv(command_hash(15 downto 8));
|
| 323 |
|
|
-- DEBUG_OUT2 <= slv(command_hash(7 downto 0));
|
| 324 |
|
|
|
| 325 |
|
|
---- CONVERT UART DATA TO KEYBOARD DATA ----
|
| 326 |
|
|
|
| 327 |
|
|
uart_inst : uart
|
| 328 |
|
|
GENERIC MAP (
|
| 329 |
|
|
CLK_FREQ => 25,
|
| 330 |
|
|
SER_FREQ => 9600)
|
| 331 |
|
|
Port Map (
|
| 332 |
|
|
clk => CLK_IN,
|
| 333 |
|
|
rst => '0',
|
| 334 |
|
|
rx => RX_IN,
|
| 335 |
|
|
tx => TX_OUT,
|
| 336 |
|
|
par_en => '1',
|
| 337 |
|
|
tx_req => '0',
|
| 338 |
|
|
tx_end => open,
|
| 339 |
|
|
tx_data => (others => '0'),
|
| 340 |
|
|
rx_ready => keyboard_rd,
|
| 341 |
|
|
rx_data => keyboard_data);
|
| 342 |
|
|
|
| 343 |
|
|
---- HANDLE KEYBOARD DATA ----
|
| 344 |
|
|
|
| 345 |
|
|
HK_SYNC_PROC: process(CLK_IN)
|
| 346 |
|
|
begin
|
| 347 |
|
|
if rising_edge(CLK_IN) then
|
| 348 |
|
|
hk_state <= hk_next_state;
|
| 349 |
|
|
hk_prev_state <= hk_state;
|
| 350 |
|
|
startup_count <= startup_count - 1;
|
| 351 |
|
|
end if;
|
| 352 |
|
|
end process;
|
| 353 |
|
|
|
| 354 |
|
|
HK_NEXT_STATE_DECODE: process (hk_state, startup_count, handle_backspace, keyboard_rd, prompt_ram_index, keyboard_data,
|
| 355 |
|
|
command_ram_index, command_ram_index_max, command_hash, DATA_IN, dhcp_enabled, clk_1hz, dhcp_second_count,
|
| 356 |
|
|
tcp_second_count, bcd_conv_done, addr, hex_conv_done, networking_enabled, screen_msg_char, C_end_of_message_char,
|
| 357 |
|
|
hk_cached_state)
|
| 358 |
|
|
begin
|
| 359 |
|
|
hk_next_state <= hk_state; --default is to stay in current state
|
| 360 |
|
|
case (hk_state) is
|
| 361 |
|
|
when STARTUP_DELAY =>
|
| 362 |
|
|
if startup_count = X"00000000" then
|
| 363 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT0;
|
| 364 |
|
|
end if;
|
| 365 |
|
|
when PRINT_COMMAND_PROMPT0 =>
|
| 366 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT1;
|
| 367 |
|
|
when PRINT_COMMAND_PROMPT1 =>
|
| 368 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT2;
|
| 369 |
|
|
when PRINT_COMMAND_PROMPT2 =>
|
| 370 |
|
|
if prompt_ram_index = unsigned(C_prompt_array_length) then
|
| 371 |
|
|
hk_next_state <= IDLE;
|
| 372 |
|
|
else
|
| 373 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT1;
|
| 374 |
|
|
end if;
|
| 375 |
|
|
|
| 376 |
|
|
when IDLE =>
|
| 377 |
|
|
if keyboard_rd = '1' then
|
| 378 |
|
|
hk_next_state <= PARSE_KEY_PRESSED;
|
| 379 |
|
|
end if;
|
| 380 |
|
|
when PARSE_KEY_PRESSED =>
|
| 381 |
|
|
if keyboard_data(7) = '0' then
|
| 382 |
|
|
hk_next_state <= HANDLE_KEY_PRESSED0;
|
| 383 |
|
|
else
|
| 384 |
|
|
hk_next_state <= HANDLE_COMMAND;
|
| 385 |
|
|
end if;
|
| 386 |
|
|
|
| 387 |
|
|
when HANDLE_KEY_PRESSED0 =>
|
| 388 |
|
|
hk_next_state <= HANDLE_KEY_PRESSED1;
|
| 389 |
|
|
when HANDLE_KEY_PRESSED1 =>
|
| 390 |
|
|
hk_next_state <= IDLE;
|
| 391 |
|
|
|
| 392 |
|
|
when HANDLE_COMMAND =>
|
| 393 |
|
|
if keyboard_data = C_backspace_cmnd then
|
| 394 |
|
|
hk_next_state <= HANDLE_BACKSPACE0;
|
| 395 |
|
|
elsif keyboard_data = C_enter_cmnd then
|
| 396 |
|
|
if command_ram_index = "00000" then
|
| 397 |
|
|
hk_next_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 398 |
|
|
else
|
| 399 |
|
|
hk_next_state <= HANDLE_COMMAND_SUBMIT0;
|
| 400 |
|
|
end if;
|
| 401 |
|
|
else
|
| 402 |
|
|
hk_next_state <= IDLE;
|
| 403 |
|
|
end if;
|
| 404 |
|
|
|
| 405 |
|
|
when HANDLE_BACKSPACE0 =>
|
| 406 |
|
|
if command_ram_index = "00000" then
|
| 407 |
|
|
hk_next_state <= IDLE;
|
| 408 |
|
|
else
|
| 409 |
|
|
hk_next_state <= HANDLE_BACKSPACE1;
|
| 410 |
|
|
end if;
|
| 411 |
|
|
when HANDLE_BACKSPACE1 =>
|
| 412 |
|
|
hk_next_state <= HANDLE_BACKSPACE2;
|
| 413 |
|
|
when HANDLE_BACKSPACE2 =>
|
| 414 |
|
|
hk_next_state <= HANDLE_BACKSPACE3;
|
| 415 |
|
|
when HANDLE_BACKSPACE3 =>
|
| 416 |
|
|
hk_next_state <= HANDLE_BACKSPACE4;
|
| 417 |
|
|
when HANDLE_BACKSPACE4 =>
|
| 418 |
|
|
hk_next_state <= IDLE;
|
| 419 |
|
|
|
| 420 |
|
|
when HANDLE_COMMAND_SUBMIT0 =>
|
| 421 |
|
|
hk_next_state <= HANDLE_COMMAND_SUBMIT1;
|
| 422 |
|
|
when HANDLE_COMMAND_SUBMIT1 =>
|
| 423 |
|
|
hk_next_state <= HANDLE_COMMAND_SUBMIT2;
|
| 424 |
|
|
when HANDLE_COMMAND_SUBMIT2 =>
|
| 425 |
|
|
if command_ram_index = command_ram_index_max then
|
| 426 |
|
|
hk_next_state <= HANDLE_COMMAND_SUBMIT3;
|
| 427 |
|
|
else
|
| 428 |
|
|
hk_next_state <= HANDLE_COMMAND_SUBMIT1;
|
| 429 |
|
|
end if;
|
| 430 |
|
|
when HANDLE_COMMAND_SUBMIT3 =>
|
| 431 |
|
|
hk_next_state <= HANDLE_COMMAND_SUBMIT4;
|
| 432 |
|
|
when HANDLE_COMMAND_SUBMIT4 =>
|
| 433 |
|
|
if command_hash = unsigned(C_clear_command) then
|
| 434 |
|
|
hk_next_state <= HANDLE_CLEAR_COMMAND0;
|
| 435 |
|
|
elsif command_hash = unsigned(C_show_network_enabled_command) then
|
| 436 |
|
|
hk_next_state <= HANDLE_NETWORK_ENABLED_COMMAND0;
|
| 437 |
|
|
elsif command_hash = unsigned(C_set_network_init_command) then
|
| 438 |
|
|
hk_next_state <= HANDLE_NETWORK_INIT_COMMAND0;
|
| 439 |
|
|
elsif command_hash = unsigned(C_show_mac_command) then
|
| 440 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND0;
|
| 441 |
|
|
elsif command_hash = unsigned(C_connect_local_command) then
|
| 442 |
|
|
hk_next_state <= HANDLE_CONNECT_LOCAL0;
|
| 443 |
|
|
elsif command_hash = unsigned(C_show_ip_command) then
|
| 444 |
|
|
hk_next_state <= HANDLE_SHOW_MY_IP_COMMAND;
|
| 445 |
|
|
elsif command_hash = unsigned(C_show_ip_setting_command) then
|
| 446 |
|
|
hk_next_state <= HANDLE_SHOW_IP_SETTING_COMMAND0;
|
| 447 |
|
|
elsif command_hash = unsigned(C_show_cloud_ip_command) then
|
| 448 |
|
|
hk_next_state <= HANDLE_SHOW_CLOUD_IP_COMMAND;
|
| 449 |
|
|
elsif command_hash = unsigned(C_connect_cloud_command) then
|
| 450 |
|
|
hk_next_state <= HANDLE_CONNECT_CLOUD_COMMAND0;
|
| 451 |
|
|
else
|
| 452 |
|
|
hk_next_state <= REPORT_UNKNOWN_COMMAND1;
|
| 453 |
|
|
end if;
|
| 454 |
|
|
|
| 455 |
|
|
when HANDLE_SHOW_IP_SETTING_COMMAND0 =>
|
| 456 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache HANDLE_SHOW_IP_SETTING_COMMAND1
|
| 457 |
|
|
when HANDLE_SHOW_IP_SETTING_COMMAND1 =>
|
| 458 |
|
|
hk_next_state <= HANDLE_SHOW_IP_SETTING_COMMAND2;
|
| 459 |
|
|
when HANDLE_SHOW_IP_SETTING_COMMAND2 =>
|
| 460 |
|
|
hk_next_state <= HANDLE_SHOW_IP_SETTING_COMMAND3;
|
| 461 |
|
|
when HANDLE_SHOW_IP_SETTING_COMMAND3 =>
|
| 462 |
|
|
if DATA_IN(0) = '1' then
|
| 463 |
|
|
hk_next_state <= HANDLE_SHOW_IP_SETTING_COMMAND4;
|
| 464 |
|
|
else
|
| 465 |
|
|
hk_next_state <= HANDLE_SHOW_IP_SETTING_COMMAND5;
|
| 466 |
|
|
end if;
|
| 467 |
|
|
when HANDLE_SHOW_IP_SETTING_COMMAND4 =>
|
| 468 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache NEW_LINE_W_NEW_PROMPT0
|
| 469 |
|
|
when HANDLE_SHOW_IP_SETTING_COMMAND5 =>
|
| 470 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache NEW_LINE_W_NEW_PROMPT0
|
| 471 |
|
|
|
| 472 |
|
|
when HANDLE_CONNECT_LOCAL0 =>
|
| 473 |
|
|
hk_next_state <= HANDLE_CONNECT_LOCAL1;
|
| 474 |
|
|
when HANDLE_CONNECT_LOCAL1 =>
|
| 475 |
|
|
hk_next_state <= HANDLE_CONNECT_LOCAL2;
|
| 476 |
|
|
when HANDLE_CONNECT_LOCAL2 =>
|
| 477 |
|
|
hk_next_state <= HANDLE_CONNECT_LOCAL3;
|
| 478 |
|
|
when HANDLE_CONNECT_LOCAL3 =>
|
| 479 |
|
|
if dhcp_enabled = '1' then
|
| 480 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND0;
|
| 481 |
|
|
else
|
| 482 |
|
|
hk_next_state <= CONNECT_STATIC_COMMAND0;
|
| 483 |
|
|
end if;
|
| 484 |
|
|
|
| 485 |
|
|
when CONNECT_DHCP_COMMAND0 =>
|
| 486 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND1;
|
| 487 |
|
|
when CONNECT_DHCP_COMMAND1 =>
|
| 488 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache CONNECT_DHCP_COMMAND2
|
| 489 |
|
|
|
| 490 |
|
|
when CONNECT_DHCP_COMMAND2 => -- TODO RENAME!
|
| 491 |
|
|
if clk_1hz = '1' then
|
| 492 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND3;
|
| 493 |
|
|
end if;
|
| 494 |
|
|
when CONNECT_DHCP_COMMAND3 =>
|
| 495 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND4;
|
| 496 |
|
|
when CONNECT_DHCP_COMMAND4 =>
|
| 497 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND5;
|
| 498 |
|
|
when CONNECT_DHCP_COMMAND5 =>
|
| 499 |
|
|
if DATA_IN(0) = '1' or DATA_IN(1) = '1' then
|
| 500 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND6;
|
| 501 |
|
|
elsif dhcp_second_count > X"9" then
|
| 502 |
|
|
hk_next_state <= CANCEL_DHCP_CONNECT0;
|
| 503 |
|
|
else
|
| 504 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND2;
|
| 505 |
|
|
end if;
|
| 506 |
|
|
when CONNECT_DHCP_COMMAND6 => -- RENAME TO "PRINT SUCCESS"
|
| 507 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache NEW_LINE_W_NEW_PROMPT0
|
| 508 |
|
|
when CONNECT_DHCP_COMMAND7 => -- RENAME TO "PRINT FAILED"
|
| 509 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache NEW_LINE_W_NEW_PROMPT0
|
| 510 |
|
|
|
| 511 |
|
|
when CANCEL_DHCP_CONNECT0 =>
|
| 512 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND7;
|
| 513 |
|
|
|
| 514 |
|
|
when CONNECT_STATIC_COMMAND0 =>
|
| 515 |
|
|
hk_next_state <= CONNECT_STATIC_COMMAND1; -- TODO REMOVE REDUNDANT STATE?
|
| 516 |
|
|
when CONNECT_STATIC_COMMAND1 =>
|
| 517 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache CONNECT_DHCP_COMMAND2
|
| 518 |
|
|
|
| 519 |
|
|
when HANDLE_CONNECT_CLOUD_COMMAND0 =>
|
| 520 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache HANDLE_CONNECT_CLOUD_COMMAND1;
|
| 521 |
|
|
when HANDLE_CONNECT_CLOUD_COMMAND1 =>
|
| 522 |
|
|
if clk_1hz = '1' then
|
| 523 |
|
|
hk_next_state <= HANDLE_CONNECT_CLOUD_COMMAND2;
|
| 524 |
|
|
end if;
|
| 525 |
|
|
when HANDLE_CONNECT_CLOUD_COMMAND2 =>
|
| 526 |
|
|
hk_next_state <= HANDLE_CONNECT_CLOUD_COMMAND3;
|
| 527 |
|
|
when HANDLE_CONNECT_CLOUD_COMMAND3 =>
|
| 528 |
|
|
hk_next_state <= HANDLE_CONNECT_CLOUD_COMMAND4;
|
| 529 |
|
|
when HANDLE_CONNECT_CLOUD_COMMAND4 =>
|
| 530 |
|
|
if DATA_IN(0) = '1' then
|
| 531 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND6;
|
| 532 |
|
|
elsif tcp_second_count > X"9" then
|
| 533 |
|
|
hk_next_state <= HANDLE_CONNECT_CLOUD_COMMAND5;
|
| 534 |
|
|
else
|
| 535 |
|
|
hk_next_state <= HANDLE_CONNECT_CLOUD_COMMAND1;
|
| 536 |
|
|
end if;
|
| 537 |
|
|
when HANDLE_CONNECT_CLOUD_COMMAND5 =>
|
| 538 |
|
|
hk_next_state <= CONNECT_DHCP_COMMAND7;
|
| 539 |
|
|
|
| 540 |
|
|
when HANDLE_SHOW_CLOUD_IP_COMMAND =>
|
| 541 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND0;
|
| 542 |
|
|
when HANDLE_SHOW_MY_IP_COMMAND =>
|
| 543 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND0;
|
| 544 |
|
|
|
| 545 |
|
|
when HANDLE_SHOW_IP_COMMAND0 =>
|
| 546 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache HANDLE_SHOW_IP_COMMAND1
|
| 547 |
|
|
when HANDLE_SHOW_IP_COMMAND1 =>
|
| 548 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND2;
|
| 549 |
|
|
when HANDLE_SHOW_IP_COMMAND2 =>
|
| 550 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND3;
|
| 551 |
|
|
when HANDLE_SHOW_IP_COMMAND3 =>
|
| 552 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND4;
|
| 553 |
|
|
when HANDLE_SHOW_IP_COMMAND4 =>
|
| 554 |
|
|
if bcd_conv_done = '1' then
|
| 555 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND5;
|
| 556 |
|
|
end if;
|
| 557 |
|
|
when HANDLE_SHOW_IP_COMMAND5 =>
|
| 558 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND6;
|
| 559 |
|
|
when HANDLE_SHOW_IP_COMMAND6 =>
|
| 560 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND7;
|
| 561 |
|
|
when HANDLE_SHOW_IP_COMMAND7 =>
|
| 562 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND8;
|
| 563 |
|
|
when HANDLE_SHOW_IP_COMMAND8 =>
|
| 564 |
|
|
if addr = X"0C" or addr = X"10" then
|
| 565 |
|
|
hk_next_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 566 |
|
|
else
|
| 567 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND9;
|
| 568 |
|
|
end if;
|
| 569 |
|
|
when HANDLE_SHOW_IP_COMMAND9 =>
|
| 570 |
|
|
hk_next_state <= HANDLE_SHOW_IP_COMMAND2;
|
| 571 |
|
|
|
| 572 |
|
|
when HANDLE_CLEAR_COMMAND0 =>
|
| 573 |
|
|
hk_next_state <= HANDLE_CLEAR_COMMAND1;
|
| 574 |
|
|
when HANDLE_CLEAR_COMMAND1 =>
|
| 575 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT0;
|
| 576 |
|
|
|
| 577 |
|
|
when HANDLE_NETWORK_INIT_COMMAND0 =>
|
| 578 |
|
|
hk_next_state <= HANDLE_NETWORK_INIT_COMMAND1;
|
| 579 |
|
|
when HANDLE_NETWORK_INIT_COMMAND1 =>
|
| 580 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT0;
|
| 581 |
|
|
|
| 582 |
|
|
when HANDLE_SHOW_MAC_COMMAND0 =>
|
| 583 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache HANDLE_SHOW_MAC_COMMAND1
|
| 584 |
|
|
when HANDLE_SHOW_MAC_COMMAND1 =>
|
| 585 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND2;
|
| 586 |
|
|
when HANDLE_SHOW_MAC_COMMAND2 =>
|
| 587 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND3;
|
| 588 |
|
|
when HANDLE_SHOW_MAC_COMMAND3 =>
|
| 589 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND4;
|
| 590 |
|
|
when HANDLE_SHOW_MAC_COMMAND4 =>
|
| 591 |
|
|
if hex_conv_done = '1' then
|
| 592 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND5;
|
| 593 |
|
|
end if;
|
| 594 |
|
|
when HANDLE_SHOW_MAC_COMMAND5 =>
|
| 595 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND6;
|
| 596 |
|
|
when HANDLE_SHOW_MAC_COMMAND6 =>
|
| 597 |
|
|
if hex_conv_done = '1' then
|
| 598 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND7;
|
| 599 |
|
|
end if;
|
| 600 |
|
|
when HANDLE_SHOW_MAC_COMMAND7 =>
|
| 601 |
|
|
if addr > X"05" then
|
| 602 |
|
|
hk_next_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 603 |
|
|
else
|
| 604 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND8;
|
| 605 |
|
|
end if;
|
| 606 |
|
|
when HANDLE_SHOW_MAC_COMMAND8 =>
|
| 607 |
|
|
hk_next_state <= HANDLE_SHOW_MAC_COMMAND2;
|
| 608 |
|
|
|
| 609 |
|
|
when HANDLE_NETWORK_ENABLED_COMMAND0 =>
|
| 610 |
|
|
hk_next_state <= HANDLE_NETWORK_ENABLED_COMMAND1;
|
| 611 |
|
|
when HANDLE_NETWORK_ENABLED_COMMAND1 =>
|
| 612 |
|
|
hk_next_state <= HANDLE_NETWORK_ENABLED_COMMAND2;
|
| 613 |
|
|
when HANDLE_NETWORK_ENABLED_COMMAND2 =>
|
| 614 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0; -- cache HANDLE_NETWORK_ENABLED_COMMAND3
|
| 615 |
|
|
when HANDLE_NETWORK_ENABLED_COMMAND3 =>
|
| 616 |
|
|
if networking_enabled = '1' then
|
| 617 |
|
|
hk_next_state <= HANDLE_NETWORK_ENABLED_COMMAND4;
|
| 618 |
|
|
else
|
| 619 |
|
|
hk_next_state <= HANDLE_NETWORK_ENABLED_COMMAND5;
|
| 620 |
|
|
end if;
|
| 621 |
|
|
when HANDLE_NETWORK_ENABLED_COMMAND4 =>
|
| 622 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0;
|
| 623 |
|
|
when HANDLE_NETWORK_ENABLED_COMMAND5 =>
|
| 624 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0;
|
| 625 |
|
|
|
| 626 |
|
|
when NEW_LINE_W_NEW_PROMPT0 =>
|
| 627 |
|
|
hk_next_state <= NEW_LINE_W_NEW_PROMPT1;
|
| 628 |
|
|
when NEW_LINE_W_NEW_PROMPT1 =>
|
| 629 |
|
|
hk_next_state <= PRINT_COMMAND_PROMPT0;
|
| 630 |
|
|
|
| 631 |
|
|
when REPORT_UNKNOWN_COMMAND1 =>
|
| 632 |
|
|
hk_next_state <= REPORT_UNKNOWN_COMMAND2;
|
| 633 |
|
|
when REPORT_UNKNOWN_COMMAND2 =>
|
| 634 |
|
|
hk_next_state <= REPORT_UNKNOWN_COMMAND3;
|
| 635 |
|
|
when REPORT_UNKNOWN_COMMAND3 =>
|
| 636 |
|
|
if command_ram_index = command_ram_index_max then
|
| 637 |
|
|
hk_next_state <= REPORT_UNKNOWN_COMMAND4;
|
| 638 |
|
|
else
|
| 639 |
|
|
hk_next_state <= REPORT_UNKNOWN_COMMAND2;
|
| 640 |
|
|
end if;
|
| 641 |
|
|
when REPORT_UNKNOWN_COMMAND4 =>
|
| 642 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT0;
|
| 643 |
|
|
|
| 644 |
|
|
when PRINT_COMMAND_RESULT0 =>
|
| 645 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT1;
|
| 646 |
|
|
when PRINT_COMMAND_RESULT1 =>
|
| 647 |
|
|
if screen_msg_char = C_end_of_message_char then
|
| 648 |
|
|
hk_next_state <= hk_cached_state;
|
| 649 |
|
|
else
|
| 650 |
|
|
hk_next_state <= PRINT_COMMAND_RESULT1;
|
| 651 |
|
|
end if;
|
| 652 |
|
|
|
| 653 |
|
|
end case;
|
| 654 |
|
|
end process;
|
| 655 |
|
|
|
| 656 |
|
|
process(CLK_IN)
|
| 657 |
|
|
begin
|
| 658 |
|
|
if rising_edge(CLK_IN) then
|
| 659 |
|
|
if hk_state = PRINT_COMMAND_PROMPT0 then
|
| 660 |
|
|
prompt_ram_index <= X"0";
|
| 661 |
|
|
elsif hk_state = PRINT_COMMAND_PROMPT1 then
|
| 662 |
|
|
prompt_ram_index <= prompt_ram_index + 1;
|
| 663 |
|
|
end if;
|
| 664 |
|
|
end if;
|
| 665 |
|
|
end process;
|
| 666 |
|
|
|
| 667 |
|
|
process(CLK_IN)
|
| 668 |
|
|
begin
|
| 669 |
|
|
if rising_edge(CLK_IN) then
|
| 670 |
|
|
if hk_state = PRINT_COMMAND_PROMPT1 then
|
| 671 |
|
|
screen_wr_buf_byte <= prompt_array_inst(to_integer(prompt_ram_index));
|
| 672 |
|
|
elsif hk_state = HANDLE_KEY_PRESSED0 then
|
| 673 |
|
|
screen_wr_buf_byte <= keyboard_data;
|
| 674 |
|
|
elsif hk_state = HANDLE_BACKSPACE1 then
|
| 675 |
|
|
screen_wr_buf_byte <= C_backspace_cmnd;
|
| 676 |
|
|
elsif hk_state = HANDLE_BACKSPACE2 then
|
| 677 |
|
|
screen_wr_buf_byte <= X"20";
|
| 678 |
|
|
elsif hk_state = HANDLE_BACKSPACE3 then
|
| 679 |
|
|
screen_wr_buf_byte <= C_backspace_cmnd;
|
| 680 |
|
|
elsif hk_state = NEW_LINE_W_NEW_PROMPT0 then
|
| 681 |
|
|
screen_wr_buf_byte <= C_new_line_cmnd;
|
| 682 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT3 then
|
| 683 |
|
|
screen_wr_buf_byte <= C_new_line_cmnd;
|
| 684 |
|
|
elsif hk_state = REPORT_UNKNOWN_COMMAND2 then
|
| 685 |
|
|
screen_wr_buf_byte <= command_ram_inst(to_integer(command_ram_index));
|
| 686 |
|
|
elsif hk_state = PRINT_COMMAND_RESULT1 then
|
| 687 |
|
|
screen_wr_buf_byte <= screen_msg_char;
|
| 688 |
|
|
elsif hk_state = HANDLE_CLEAR_COMMAND0 then
|
| 689 |
|
|
screen_wr_buf_byte <= C_clear_cmnd;
|
| 690 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND5 then
|
| 691 |
|
|
screen_wr_buf_byte <= ascii_val;
|
| 692 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND7 then
|
| 693 |
|
|
screen_wr_buf_byte <= ascii_val;
|
| 694 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND8 then
|
| 695 |
|
|
screen_wr_buf_byte <= X"3A";
|
| 696 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND3 then
|
| 697 |
|
|
screen_wr_buf_byte <= X"2E";
|
| 698 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND5 then
|
| 699 |
|
|
screen_wr_buf_byte <= X"3"&bcd_val(11 downto 8);
|
| 700 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND6 then
|
| 701 |
|
|
screen_wr_buf_byte <= X"3"&bcd_val(7 downto 4);
|
| 702 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND7 then
|
| 703 |
|
|
screen_wr_buf_byte <= X"3"&bcd_val(3 downto 0);
|
| 704 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND9 then
|
| 705 |
|
|
screen_wr_buf_byte <= X"2E";
|
| 706 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND2 then
|
| 707 |
|
|
screen_wr_buf_byte <= X"2E";
|
| 708 |
|
|
end if;
|
| 709 |
|
|
if hk_prev_state = PRINT_COMMAND_PROMPT1 then
|
| 710 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 711 |
|
|
elsif hk_prev_state = HANDLE_KEY_PRESSED0 then
|
| 712 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 713 |
|
|
elsif hk_prev_state = HANDLE_BACKSPACE1 then
|
| 714 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 715 |
|
|
elsif hk_prev_state = HANDLE_BACKSPACE2 then
|
| 716 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 717 |
|
|
elsif hk_prev_state = HANDLE_BACKSPACE3 then
|
| 718 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 719 |
|
|
elsif hk_prev_state = NEW_LINE_W_NEW_PROMPT0 then
|
| 720 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 721 |
|
|
elsif hk_prev_state = HANDLE_COMMAND_SUBMIT3 then
|
| 722 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 723 |
|
|
elsif hk_prev_state = REPORT_UNKNOWN_COMMAND2 then
|
| 724 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 725 |
|
|
elsif hk_prev_state = PRINT_COMMAND_RESULT1 then
|
| 726 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 727 |
|
|
elsif hk_prev_state = HANDLE_CLEAR_COMMAND0 then
|
| 728 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 729 |
|
|
elsif hk_prev_state = HANDLE_SHOW_MAC_COMMAND5 then
|
| 730 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 731 |
|
|
elsif hk_prev_state = HANDLE_SHOW_MAC_COMMAND7 then
|
| 732 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 733 |
|
|
elsif hk_prev_state = HANDLE_SHOW_MAC_COMMAND8 then
|
| 734 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 735 |
|
|
elsif hk_prev_state = CONNECT_DHCP_COMMAND3 then
|
| 736 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 737 |
|
|
elsif hk_prev_state = HANDLE_SHOW_IP_COMMAND5 then
|
| 738 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 739 |
|
|
elsif hk_prev_state = HANDLE_SHOW_IP_COMMAND6 then
|
| 740 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 741 |
|
|
elsif hk_prev_state = HANDLE_SHOW_IP_COMMAND7 then
|
| 742 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 743 |
|
|
elsif hk_prev_state = HANDLE_SHOW_IP_COMMAND9 then
|
| 744 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 745 |
|
|
elsif hk_prev_state = HANDLE_CONNECT_CLOUD_COMMAND2 then
|
| 746 |
|
|
screen_wr_buffer_index <= screen_wr_buffer_index + 1;
|
| 747 |
|
|
end if;
|
| 748 |
|
|
if hk_state = PRINT_COMMAND_PROMPT1 then
|
| 749 |
|
|
screen_buf_we <= '1';
|
| 750 |
|
|
elsif hk_state = HANDLE_KEY_PRESSED0 then
|
| 751 |
|
|
screen_buf_we <= '1';
|
| 752 |
|
|
elsif hk_state = HANDLE_BACKSPACE1 then
|
| 753 |
|
|
screen_buf_we <= '1';
|
| 754 |
|
|
elsif hk_state = HANDLE_BACKSPACE2 then
|
| 755 |
|
|
screen_buf_we <= '1';
|
| 756 |
|
|
elsif hk_state = HANDLE_BACKSPACE3 then
|
| 757 |
|
|
screen_buf_we <= '1';
|
| 758 |
|
|
elsif hk_state = NEW_LINE_W_NEW_PROMPT0 then
|
| 759 |
|
|
screen_buf_we <= '1';
|
| 760 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT3 then
|
| 761 |
|
|
screen_buf_we <= '1';
|
| 762 |
|
|
elsif hk_state = REPORT_UNKNOWN_COMMAND2 then
|
| 763 |
|
|
screen_buf_we <= '1';
|
| 764 |
|
|
elsif hk_state = PRINT_COMMAND_RESULT1 then
|
| 765 |
|
|
screen_buf_we <= '1';
|
| 766 |
|
|
elsif hk_state = HANDLE_CLEAR_COMMAND0 then
|
| 767 |
|
|
screen_buf_we <= '1';
|
| 768 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND5 then
|
| 769 |
|
|
screen_buf_we <= '1';
|
| 770 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND7 then
|
| 771 |
|
|
screen_buf_we <= '1';
|
| 772 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND8 then
|
| 773 |
|
|
screen_buf_we <= '1';
|
| 774 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND3 then
|
| 775 |
|
|
screen_buf_we <= '1';
|
| 776 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND5 then
|
| 777 |
|
|
screen_buf_we <= '1';
|
| 778 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND6 then
|
| 779 |
|
|
screen_buf_we <= '1';
|
| 780 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND7 then
|
| 781 |
|
|
screen_buf_we <= '1';
|
| 782 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND9 then
|
| 783 |
|
|
screen_buf_we <= '1';
|
| 784 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND2 then
|
| 785 |
|
|
screen_buf_we <= '1';
|
| 786 |
|
|
else
|
| 787 |
|
|
screen_buf_we <= '0';
|
| 788 |
|
|
end if;
|
| 789 |
|
|
end if;
|
| 790 |
|
|
end process;
|
| 791 |
|
|
|
| 792 |
|
|
process(CLK_IN)
|
| 793 |
|
|
begin
|
| 794 |
|
|
if rising_edge(CLK_IN) then
|
| 795 |
|
|
if hk_state = HANDLE_KEY_PRESSED0 then
|
| 796 |
|
|
command_ram_inst(to_integer(command_ram_index)) <= keyboard_data;
|
| 797 |
|
|
end if;
|
| 798 |
|
|
if hk_state = HANDLE_KEY_PRESSED0 then
|
| 799 |
|
|
command_ram_index <= command_ram_index + 1;
|
| 800 |
|
|
elsif hk_state = HANDLE_BACKSPACE1 then
|
| 801 |
|
|
command_ram_index <= command_ram_index - 1;
|
| 802 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT0 then
|
| 803 |
|
|
command_ram_index <= "00000";
|
| 804 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT1 then
|
| 805 |
|
|
command_ram_index <= command_ram_index + 1;
|
| 806 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT3 then
|
| 807 |
|
|
command_ram_index <= "00000";
|
| 808 |
|
|
elsif hk_state = REPORT_UNKNOWN_COMMAND1 then
|
| 809 |
|
|
command_ram_index <= "00000";
|
| 810 |
|
|
elsif hk_state = REPORT_UNKNOWN_COMMAND2 then
|
| 811 |
|
|
command_ram_index <= command_ram_index + 1;
|
| 812 |
|
|
elsif hk_state = REPORT_UNKNOWN_COMMAND4 then
|
| 813 |
|
|
command_ram_index <= "00000";
|
| 814 |
|
|
end if;
|
| 815 |
|
|
if hk_state = HANDLE_COMMAND_SUBMIT0 then
|
| 816 |
|
|
command_ram_index_max <= command_ram_index;
|
| 817 |
|
|
end if;
|
| 818 |
|
|
if hk_state = HANDLE_COMMAND_SUBMIT0 then
|
| 819 |
|
|
command_hash <= (others => '0');
|
| 820 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT1 then
|
| 821 |
|
|
command_hash <= command_hash + RESIZE(unsigned(command_ram_inst(to_integer(command_ram_index))), 16);
|
| 822 |
|
|
elsif hk_state = HANDLE_COMMAND_SUBMIT2 then
|
| 823 |
|
|
command_hash(15 downto 1) <= command_hash(14 downto 0);
|
| 824 |
|
|
command_hash(0) <= command_hash(15);
|
| 825 |
|
|
end if;
|
| 826 |
|
|
end if;
|
| 827 |
|
|
end process;
|
| 828 |
|
|
|
| 829 |
|
|
screen_buffer : TDP_RAM
|
| 830 |
|
|
Generic Map ( G_DATA_A_SIZE => screen_wr_buf_byte'length,
|
| 831 |
|
|
G_ADDR_A_SIZE => screen_wr_buffer_index'length,
|
| 832 |
|
|
G_RELATION => 0, --log2(SIZE_A/SIZE_B)
|
| 833 |
|
|
G_INIT_ZERO => false,
|
| 834 |
|
|
G_INIT_FILE => "./coe_dir/ascii_space.coe")
|
| 835 |
|
|
Port Map ( CLK_A_IN => CLK_IN,
|
| 836 |
|
|
WE_A_IN => screen_buf_we,
|
| 837 |
|
|
ADDR_A_IN => slv(screen_wr_buffer_index),
|
| 838 |
|
|
DATA_A_IN => screen_wr_buf_byte,
|
| 839 |
|
|
DATA_A_OUT => open,
|
| 840 |
|
|
CLK_B_IN => CLK_IN,
|
| 841 |
|
|
WE_B_IN => '0',
|
| 842 |
|
|
ADDR_B_IN => slv(screen_rd_buffer_index),
|
| 843 |
|
|
DATA_B_IN => X"00",
|
| 844 |
|
|
DATA_B_OUT => screen_rd_buf_byte);
|
| 845 |
|
|
|
| 846 |
|
|
---- SCREEN MEMORY ----
|
| 847 |
|
|
|
| 848 |
|
|
SB_SYNC_PROC: process(CLK_IN)
|
| 849 |
|
|
begin
|
| 850 |
|
|
if rising_edge(CLK_IN) then
|
| 851 |
|
|
sb_state <= sb_next_state;
|
| 852 |
|
|
end if;
|
| 853 |
|
|
end process;
|
| 854 |
|
|
|
| 855 |
|
|
SB_NEXT_STATE_DECODE: process (sb_state, screen_rd_buffer_index, screen_wr_buffer_index, screen_rd_buf_byte, char_buf_wr_addr)
|
| 856 |
|
|
begin
|
| 857 |
|
|
sb_next_state <= sb_state; --default is to stay in current state
|
| 858 |
|
|
case (sb_state) is
|
| 859 |
|
|
when SB_IDLE =>
|
| 860 |
|
|
if screen_rd_buffer_index /= screen_wr_buffer_index then
|
| 861 |
|
|
sb_next_state <= SB_PARSE_NEW_BYTE;
|
| 862 |
|
|
end if;
|
| 863 |
|
|
|
| 864 |
|
|
when SB_PARSE_NEW_BYTE =>
|
| 865 |
|
|
if screen_rd_buf_byte(7) = '0' then
|
| 866 |
|
|
sb_next_state <= SB_HANDLE_CHARACTER0;
|
| 867 |
|
|
else
|
| 868 |
|
|
sb_next_state <= SB_HANDLE_COMMAND;
|
| 869 |
|
|
end if;
|
| 870 |
|
|
|
| 871 |
|
|
when SB_HANDLE_CHARACTER0 =>
|
| 872 |
|
|
sb_next_state <= SB_HANDLE_CHARACTER1;
|
| 873 |
|
|
when SB_HANDLE_CHARACTER1 =>
|
| 874 |
|
|
sb_next_state <= SB_IDLE;
|
| 875 |
|
|
|
| 876 |
|
|
when SB_HANDLE_COMMAND =>
|
| 877 |
|
|
if screen_rd_buf_byte = C_backspace_cmnd then
|
| 878 |
|
|
sb_next_state <= SB_HANDLE_BACKSPACE;
|
| 879 |
|
|
elsif screen_rd_buf_byte = C_new_line_cmnd then
|
| 880 |
|
|
sb_next_state <= SB_HANDLE_NEW_LINE;
|
| 881 |
|
|
elsif screen_rd_buf_byte = C_clear_cmnd then
|
| 882 |
|
|
sb_next_state <= SB_HANDLE_CLEAR;
|
| 883 |
|
|
else
|
| 884 |
|
|
sb_next_state <= SB_IDLE;
|
| 885 |
|
|
end if;
|
| 886 |
|
|
|
| 887 |
|
|
when SB_HANDLE_BACKSPACE =>
|
| 888 |
|
|
sb_next_state <= SB_IDLE;
|
| 889 |
|
|
when SB_HANDLE_NEW_LINE =>
|
| 890 |
|
|
sb_next_state <= SB_IDLE;
|
| 891 |
|
|
when SB_HANDLE_CLEAR =>
|
| 892 |
|
|
if char_buf_wr_addr = X"001" then
|
| 893 |
|
|
sb_next_state <= SB_IDLE;
|
| 894 |
|
|
end if;
|
| 895 |
|
|
|
| 896 |
|
|
end case;
|
| 897 |
|
|
end process;
|
| 898 |
|
|
|
| 899 |
|
|
process(CLK_IN)
|
| 900 |
|
|
begin
|
| 901 |
|
|
if rising_edge(CLK_IN) then
|
| 902 |
|
|
if sb_state = SB_HANDLE_CHARACTER0 then
|
| 903 |
|
|
char_buf_wr <= '1';
|
| 904 |
|
|
elsif sb_state = SB_HANDLE_CLEAR then
|
| 905 |
|
|
char_buf_wr <= '1';
|
| 906 |
|
|
else
|
| 907 |
|
|
char_buf_wr <= '0';
|
| 908 |
|
|
end if;
|
| 909 |
|
|
if sb_state = SB_HANDLE_CHARACTER0 then
|
| 910 |
|
|
char_buf_wr_data <= screen_rd_buf_byte;
|
| 911 |
|
|
elsif sb_state = SB_HANDLE_CLEAR then
|
| 912 |
|
|
char_buf_wr_data <= X"20";
|
| 913 |
|
|
end if;
|
| 914 |
|
|
if sb_state = SB_HANDLE_CHARACTER0 then
|
| 915 |
|
|
screen_rd_buffer_index <= screen_rd_buffer_index + 1;
|
| 916 |
|
|
elsif sb_state = SB_HANDLE_COMMAND then
|
| 917 |
|
|
screen_rd_buffer_index <= screen_rd_buffer_index + 1;
|
| 918 |
|
|
end if;
|
| 919 |
|
|
char_buf_x_coord <= unsigned(C_page_width_p1) - unsigned(ocrx);
|
| 920 |
|
|
if sb_state = SB_HANDLE_CHARACTER1 then
|
| 921 |
|
|
char_buf_wr_addr <= char_buf_wr_addr + 1;
|
| 922 |
|
|
elsif sb_state = SB_HANDLE_BACKSPACE then
|
| 923 |
|
|
char_buf_wr_addr <= char_buf_wr_addr - 1;
|
| 924 |
|
|
elsif sb_state = SB_HANDLE_CLEAR then
|
| 925 |
|
|
char_buf_wr_addr <= char_buf_wr_addr - 1;
|
| 926 |
|
|
elsif sb_state = SB_HANDLE_NEW_LINE then
|
| 927 |
|
|
char_buf_wr_addr <= char_buf_wr_addr + RESIZE(char_buf_x_coord, 12);
|
| 928 |
|
|
end if;
|
| 929 |
|
|
end if;
|
| 930 |
|
|
end process;
|
| 931 |
|
|
|
| 932 |
|
|
char_buf : TDP_RAM
|
| 933 |
|
|
Generic Map ( G_DATA_A_SIZE => TEXT_DATA_OUT'length,
|
| 934 |
|
|
G_ADDR_A_SIZE => TEXT_ADDR_IN'length,
|
| 935 |
|
|
G_RELATION => 0, --log2(SIZE_A/SIZE_B)
|
| 936 |
|
|
G_INIT_ZERO => false,
|
| 937 |
|
|
G_INIT_FILE => "./coe_dir/ascii_space.coe")
|
| 938 |
|
|
Port Map ( CLK_A_IN => CLK_IN,
|
| 939 |
|
|
WE_A_IN => '0',
|
| 940 |
|
|
ADDR_A_IN => TEXT_ADDR_IN,
|
| 941 |
|
|
DATA_A_IN => X"00",
|
| 942 |
|
|
DATA_A_OUT => TEXT_DATA_OUT,
|
| 943 |
|
|
CLK_B_IN => CLK_IN,
|
| 944 |
|
|
WE_B_IN => char_buf_wr,
|
| 945 |
|
|
ADDR_B_IN => slv(char_buf_wr_addr),
|
| 946 |
|
|
DATA_B_IN => char_buf_wr_data,
|
| 947 |
|
|
DATA_B_OUT => open);
|
| 948 |
|
|
|
| 949 |
|
|
|
| 950 |
|
|
---- HANDLE CURSOR POSITION ----
|
| 951 |
|
|
|
| 952 |
|
|
CURSORPOS_X_OUT <= slv(ocrx);
|
| 953 |
|
|
CURSORPOS_Y_OUT <= slv(ocry);
|
| 954 |
|
|
|
| 955 |
|
|
process(CLK_IN)
|
| 956 |
|
|
begin
|
| 957 |
|
|
if rising_edge(CLK_IN) then
|
| 958 |
|
|
if sb_state = SB_HANDLE_CHARACTER1 then
|
| 959 |
|
|
if slv(ocrx) = C_page_width and slv(ocry) /= C_page_height then
|
| 960 |
|
|
ocrx <= X"00";
|
| 961 |
|
|
else
|
| 962 |
|
|
ocrx <= ocrx + 1;
|
| 963 |
|
|
end if;
|
| 964 |
|
|
if slv(ocrx) = C_page_width then
|
| 965 |
|
|
if slv(ocry) /= C_page_height then
|
| 966 |
|
|
ocry <= ocry + 1;
|
| 967 |
|
|
end if;
|
| 968 |
|
|
end if;
|
| 969 |
|
|
elsif sb_state = SB_HANDLE_BACKSPACE then
|
| 970 |
|
|
if slv(ocrx) = X"00" and slv(ocry) /= X"00" then
|
| 971 |
|
|
ocrx <= unsigned(C_page_width);
|
| 972 |
|
|
else
|
| 973 |
|
|
ocrx <= ocrx - 1;
|
| 974 |
|
|
end if;
|
| 975 |
|
|
if slv(ocrx) = X"00" then
|
| 976 |
|
|
if ocry /= X"00" then
|
| 977 |
|
|
ocry <= ocry - 1;
|
| 978 |
|
|
end if;
|
| 979 |
|
|
end if;
|
| 980 |
|
|
elsif sb_state = SB_HANDLE_NEW_LINE then
|
| 981 |
|
|
ocrx <= X"00";
|
| 982 |
|
|
ocry <= ocry + 1;
|
| 983 |
|
|
elsif sb_state = SB_HANDLE_CLEAR then
|
| 984 |
|
|
ocrx <= X"00";
|
| 985 |
|
|
ocry <= X"00";
|
| 986 |
|
|
end if;
|
| 987 |
|
|
end if;
|
| 988 |
|
|
end process;
|
| 989 |
|
|
|
| 990 |
|
|
--- Font/Character Pixel Map --
|
| 991 |
|
|
|
| 992 |
|
|
Font_Mem_inst : FONT_MEM
|
| 993 |
|
|
PORT MAP (
|
| 994 |
|
|
clka => CLK_IN,
|
| 995 |
|
|
wea => "0",
|
| 996 |
|
|
addra => FONT_ADDR_IN,
|
| 997 |
|
|
dina => (others => '0'),
|
| 998 |
|
|
douta => FONT_DATA_OUT);
|
| 999 |
|
|
|
| 1000 |
|
|
--- Screen Messages Ram ---
|
| 1001 |
|
|
|
| 1002 |
|
|
process(CLK_IN)
|
| 1003 |
|
|
begin
|
| 1004 |
|
|
if rising_edge(CLK_IN) then
|
| 1005 |
|
|
if hk_state = REPORT_UNKNOWN_COMMAND4 then
|
| 1006 |
|
|
screen_msg_addr <= unsigned(C_unknown_messge_addr);
|
| 1007 |
|
|
elsif hk_state = HANDLE_NETWORK_ENABLED_COMMAND2 then
|
| 1008 |
|
|
screen_msg_addr <= unsigned(C_net_enabled_message_addr);
|
| 1009 |
|
|
elsif hk_state = HANDLE_NETWORK_ENABLED_COMMAND4 then
|
| 1010 |
|
|
screen_msg_addr <= unsigned(C_true_message_addr);
|
| 1011 |
|
|
elsif hk_state = HANDLE_NETWORK_ENABLED_COMMAND5 then
|
| 1012 |
|
|
screen_msg_addr <= unsigned(C_false_message_addr);
|
| 1013 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND0 then
|
| 1014 |
|
|
screen_msg_addr <= unsigned(C_mac_message_addr);
|
| 1015 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND1 then
|
| 1016 |
|
|
screen_msg_addr <= unsigned(C_local_connect_addr);
|
| 1017 |
|
|
elsif hk_state = CONNECT_STATIC_COMMAND1 then
|
| 1018 |
|
|
screen_msg_addr <= unsigned(C_local_connect_addr);
|
| 1019 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND6 then
|
| 1020 |
|
|
screen_msg_addr <= unsigned(C_success_message_addr);
|
| 1021 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND7 then
|
| 1022 |
|
|
screen_msg_addr <= unsigned(C_failed_message_addr);
|
| 1023 |
|
|
elsif hk_state = HANDLE_SHOW_MY_IP_COMMAND then
|
| 1024 |
|
|
screen_msg_addr <= unsigned(C_show_ip_addr);
|
| 1025 |
|
|
elsif hk_state = HANDLE_SHOW_CLOUD_IP_COMMAND then
|
| 1026 |
|
|
screen_msg_addr <= unsigned(C_show_cloud_ip_addr);
|
| 1027 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND0 then
|
| 1028 |
|
|
screen_msg_addr <= unsigned(C_show_ip_setting_addr);
|
| 1029 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND4 then
|
| 1030 |
|
|
screen_msg_addr <= unsigned(C_dynamic_addr);
|
| 1031 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND5 then
|
| 1032 |
|
|
screen_msg_addr <= unsigned(C_static_addr);
|
| 1033 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND0 then
|
| 1034 |
|
|
screen_msg_addr <= unsigned(C_cloud_connect_addr);
|
| 1035 |
|
|
else
|
| 1036 |
|
|
screen_msg_addr <= screen_msg_addr + 1;
|
| 1037 |
|
|
end if;
|
| 1038 |
|
|
if hk_state = REPORT_UNKNOWN_COMMAND4 then
|
| 1039 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1040 |
|
|
elsif hk_state = HANDLE_NETWORK_ENABLED_COMMAND2 then
|
| 1041 |
|
|
hk_cached_state <= HANDLE_NETWORK_ENABLED_COMMAND3;
|
| 1042 |
|
|
elsif hk_state = HANDLE_NETWORK_ENABLED_COMMAND4 then
|
| 1043 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1044 |
|
|
elsif hk_state = HANDLE_NETWORK_ENABLED_COMMAND5 then
|
| 1045 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1046 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND0 then
|
| 1047 |
|
|
hk_cached_state <= HANDLE_SHOW_MAC_COMMAND1;
|
| 1048 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND1 then
|
| 1049 |
|
|
hk_cached_state <= CONNECT_DHCP_COMMAND2;
|
| 1050 |
|
|
elsif hk_state = CONNECT_STATIC_COMMAND1 then
|
| 1051 |
|
|
hk_cached_state <= CONNECT_DHCP_COMMAND2;
|
| 1052 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND6 then
|
| 1053 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1054 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND7 then
|
| 1055 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1056 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND0 then
|
| 1057 |
|
|
hk_cached_state <= HANDLE_SHOW_IP_COMMAND1;
|
| 1058 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND0 then
|
| 1059 |
|
|
hk_cached_state <= HANDLE_SHOW_IP_SETTING_COMMAND1;
|
| 1060 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND4 then
|
| 1061 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1062 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND5 then
|
| 1063 |
|
|
hk_cached_state <= NEW_LINE_W_NEW_PROMPT0;
|
| 1064 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND0 then
|
| 1065 |
|
|
hk_cached_state <= HANDLE_CONNECT_CLOUD_COMMAND1;
|
| 1066 |
|
|
end if;
|
| 1067 |
|
|
end if;
|
| 1068 |
|
|
end process;
|
| 1069 |
|
|
|
| 1070 |
|
|
screen_msg : TDP_RAM
|
| 1071 |
|
|
Generic Map ( G_DATA_A_SIZE => screen_msg_char'length,
|
| 1072 |
|
|
G_ADDR_A_SIZE => screen_msg_addr'length,
|
| 1073 |
|
|
G_RELATION => 0, --log2(SIZE_A/SIZE_B)
|
| 1074 |
|
|
G_INIT_ZERO => false,
|
| 1075 |
|
|
G_INIT_FILE => "./coe_dir/screen_msg.coe")
|
| 1076 |
|
|
Port Map ( CLK_A_IN => CLK_IN,
|
| 1077 |
|
|
WE_A_IN => '0',
|
| 1078 |
|
|
ADDR_A_IN => slv(screen_msg_addr),
|
| 1079 |
|
|
DATA_A_IN => X"00",
|
| 1080 |
|
|
DATA_A_OUT => screen_msg_char,
|
| 1081 |
|
|
CLK_B_IN => CLK_IN,
|
| 1082 |
|
|
WE_B_IN => '0',
|
| 1083 |
|
|
ADDR_B_IN => '0'&X"00",
|
| 1084 |
|
|
DATA_B_IN => X"00",
|
| 1085 |
|
|
DATA_B_OUT => open);
|
| 1086 |
|
|
|
| 1087 |
|
|
process(CLK_IN)
|
| 1088 |
|
|
begin
|
| 1089 |
|
|
if rising_edge(CLK_IN) then
|
| 1090 |
|
|
if hk_state = HANDLE_SHOW_MAC_COMMAND3 then
|
| 1091 |
|
|
hex_val <= DATA_IN(7 downto 4);
|
| 1092 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND5 then
|
| 1093 |
|
|
hex_val <= DATA_IN(3 downto 0);
|
| 1094 |
|
|
end if;
|
| 1095 |
|
|
if hk_state = HANDLE_SHOW_MAC_COMMAND3 then
|
| 1096 |
|
|
hex_conv <= '1';
|
| 1097 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND5 then
|
| 1098 |
|
|
hex_conv <= '1';
|
| 1099 |
|
|
else
|
| 1100 |
|
|
hex_conv <= '0';
|
| 1101 |
|
|
end if;
|
| 1102 |
|
|
end if;
|
| 1103 |
|
|
end process;
|
| 1104 |
|
|
|
| 1105 |
|
|
hex_to_ascii_inst : hex_to_ascii
|
| 1106 |
|
|
Port Map ( CLK_IN => CLK_IN,
|
| 1107 |
|
|
CONV_IN => hex_conv,
|
| 1108 |
|
|
HEX_IN => hex_val,
|
| 1109 |
|
|
ASCII_OUT => ascii_val,
|
| 1110 |
|
|
CONV_DONE_OUT => hex_conv_done);
|
| 1111 |
|
|
|
| 1112 |
|
|
process(CLK_IN)
|
| 1113 |
|
|
begin
|
| 1114 |
|
|
if rising_edge(CLK_IN) then
|
| 1115 |
|
|
if hk_state = HANDLE_SHOW_IP_COMMAND3 then
|
| 1116 |
|
|
bin_val <= DATA_IN(7 downto 0);
|
| 1117 |
|
|
end if;
|
| 1118 |
|
|
if hk_state = HANDLE_SHOW_IP_COMMAND3 then
|
| 1119 |
|
|
bcd_conv <= '1';
|
| 1120 |
|
|
else
|
| 1121 |
|
|
bcd_conv <= '0';
|
| 1122 |
|
|
end if;
|
| 1123 |
|
|
end if;
|
| 1124 |
|
|
end process;
|
| 1125 |
|
|
|
| 1126 |
|
|
bin_to_bcd_inst : bin_to_bcd
|
| 1127 |
|
|
Port Map ( CLK_IN => CLK_IN,
|
| 1128 |
|
|
CONV_IN => bcd_conv,
|
| 1129 |
|
|
BIN_IN => bin_val,
|
| 1130 |
|
|
BCD_OUT => bcd_val,
|
| 1131 |
|
|
CONV_DONE_OUT => bcd_conv_done);
|
| 1132 |
|
|
|
| 1133 |
|
|
--- Bus DATA/ADDR Handling --
|
| 1134 |
|
|
|
| 1135 |
|
|
ETH_COMMAND_EN_OUT <= eth_command_en;
|
| 1136 |
|
|
ETH_COMMAND_OUT <= eth_command;
|
| 1137 |
|
|
eth_command_cmplt <= ETH_COMMAND_CMPLT_IN;
|
| 1138 |
|
|
eth_command_err <= ETH_COMMAND_ERR_IN;
|
| 1139 |
|
|
|
| 1140 |
|
|
process(CLK_IN)
|
| 1141 |
|
|
begin
|
| 1142 |
|
|
if rising_edge(CLK_IN) then
|
| 1143 |
|
|
if hk_state = HANDLE_NETWORK_INIT_COMMAND0 then
|
| 1144 |
|
|
eth_command <= X"3";
|
| 1145 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND0 then
|
| 1146 |
|
|
eth_command <= X"4";
|
| 1147 |
|
|
elsif hk_state = CONNECT_STATIC_COMMAND0 then
|
| 1148 |
|
|
eth_command <= X"5";
|
| 1149 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND0 then
|
| 1150 |
|
|
eth_command <= X"6";
|
| 1151 |
|
|
elsif hk_state = CANCEL_DHCP_CONNECT0 then
|
| 1152 |
|
|
eth_command <= X"7";
|
| 1153 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND5 then
|
| 1154 |
|
|
eth_command <= X"9";
|
| 1155 |
|
|
end if;
|
| 1156 |
|
|
if hk_state = HANDLE_NETWORK_INIT_COMMAND0 then
|
| 1157 |
|
|
eth_command_en <= '1';
|
| 1158 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND0 then
|
| 1159 |
|
|
eth_command_en <= '1';
|
| 1160 |
|
|
elsif hk_state = CONNECT_STATIC_COMMAND0 then
|
| 1161 |
|
|
eth_command_en <= '1';
|
| 1162 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND0 then
|
| 1163 |
|
|
eth_command_en <= '1';
|
| 1164 |
|
|
elsif hk_state = CANCEL_DHCP_CONNECT0 then
|
| 1165 |
|
|
eth_command_en <= '1';
|
| 1166 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND5 then
|
| 1167 |
|
|
eth_command_en <= '1';
|
| 1168 |
|
|
else
|
| 1169 |
|
|
eth_command_en <= '0';
|
| 1170 |
|
|
end if;
|
| 1171 |
|
|
if hk_state = CONNECT_DHCP_COMMAND0 or hk_state = CONNECT_STATIC_COMMAND0 then
|
| 1172 |
|
|
dhcp_second_count <= X"0";
|
| 1173 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND3 then
|
| 1174 |
|
|
dhcp_second_count <= dhcp_second_count + 1;
|
| 1175 |
|
|
end if;
|
| 1176 |
|
|
if hk_state = HANDLE_CONNECT_CLOUD_COMMAND0 then
|
| 1177 |
|
|
tcp_second_count <= X"0";
|
| 1178 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND3 then
|
| 1179 |
|
|
tcp_second_count <= tcp_second_count + 1;
|
| 1180 |
|
|
end if;
|
| 1181 |
|
|
end if;
|
| 1182 |
|
|
end process;
|
| 1183 |
|
|
|
| 1184 |
|
|
ADDR_OUT <= slv(addr);
|
| 1185 |
|
|
|
| 1186 |
|
|
process(CLK_IN)
|
| 1187 |
|
|
begin
|
| 1188 |
|
|
if rising_edge(CLK_IN) then
|
| 1189 |
|
|
if hk_state = HANDLE_NETWORK_ENABLED_COMMAND0 then
|
| 1190 |
|
|
addr <= X"00";
|
| 1191 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND1 then
|
| 1192 |
|
|
addr <= X"01";
|
| 1193 |
|
|
elsif hk_state = HANDLE_SHOW_MAC_COMMAND7 then
|
| 1194 |
|
|
addr <= addr + 1;
|
| 1195 |
|
|
elsif hk_state = HANDLE_CONNECT_LOCAL0 then
|
| 1196 |
|
|
addr <= X"07";
|
| 1197 |
|
|
elsif hk_state = HANDLE_SHOW_IP_SETTING_COMMAND1 then
|
| 1198 |
|
|
addr <= X"07";
|
| 1199 |
|
|
elsif hk_state = CONNECT_DHCP_COMMAND3 then
|
| 1200 |
|
|
addr <= X"08";
|
| 1201 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND1 then
|
| 1202 |
|
|
addr <= unsigned(show_ip_start_addr);
|
| 1203 |
|
|
elsif hk_state = HANDLE_SHOW_IP_COMMAND8 then
|
| 1204 |
|
|
addr <= addr + 1;
|
| 1205 |
|
|
elsif hk_state = HANDLE_CONNECT_CLOUD_COMMAND2 then
|
| 1206 |
|
|
addr <= X"11";
|
| 1207 |
|
|
end if;
|
| 1208 |
|
|
if hk_state = HANDLE_NETWORK_ENABLED_COMMAND2 then
|
| 1209 |
|
|
networking_enabled <= DATA_IN(0);
|
| 1210 |
|
|
end if;
|
| 1211 |
|
|
if hk_state = HANDLE_CONNECT_LOCAL2 then
|
| 1212 |
|
|
dhcp_enabled <= DATA_IN(0);
|
| 1213 |
|
|
end if;
|
| 1214 |
|
|
if hk_state = HANDLE_SHOW_MY_IP_COMMAND then
|
| 1215 |
|
|
show_ip_start_addr <= X"09";
|
| 1216 |
|
|
elsif hk_state = HANDLE_SHOW_CLOUD_IP_COMMAND then
|
| 1217 |
|
|
show_ip_start_addr <= X"0D";
|
| 1218 |
|
|
end if;
|
| 1219 |
|
|
end if;
|
| 1220 |
|
|
end process;
|
| 1221 |
|
|
|
| 1222 |
|
|
end Behavioral;
|
| 1223 |
|
|
|
