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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,
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HANDLE_SHOW_IP_SETTING_COMMAND0,
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HANDLE_SHOW_IP_SETTING_COMMAND1,
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HANDLE_SHOW_IP_SETTING_COMMAND2,
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HANDLE_SHOW_IP_SETTING_COMMAND3,
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HANDLE_SHOW_IP_SETTING_COMMAND4,
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HANDLE_SHOW_IP_SETTING_COMMAND5,
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HANDLE_CONNECT_LOCAL0,
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HANDLE_CONNECT_LOCAL1,
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HANDLE_CONNECT_LOCAL2,
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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 |
|
|
|