vga/ps/2: ip-core hinzugefuegt

[hwmod.git] / src / textmode_vga / textmode_vga_struct.vhd

diff --git a/src/textmode_vga/textmode_vga_struct.vhd b/src/textmode_vga/textmode_vga_struct.vhd
new file mode 100644 (file)
index 0000000..69cea9b
--- /dev/null
+++ b/src/textmode_vga/textmode_vga_struct.vhd
@@ -0,0 +1,156 @@
+-------------------------------------------------------------------------\r
+--\r
+-- Filename: textmode_vga_struct.vhd\r
+-- =========\r
+--\r
+-- Short Description:\r
+-- ==================\r
+--   Structual implementation of the toplevel entity.\r
+--\r
+-------------------------------------------------------------------------\r
+\r
+library ieee;
+use ieee.std_logic_1164.all;
+use work.math_pkg.all;
+use work.textmode_vga_pkg.all;
+use work.textmode_vga_component_pkg.all;
+use work.font_pkg.all;
+
+architecture struct of textmode_vga is
+  signal is_data_line : std_logic;
+  signal is_eol : std_logic;
+  signal char_line_cnt : std_logic_vector(log2c(LINE_COUNT) - 1 downto 0);
+  signal char_height_pixel : std_logic_vector(log2c(CHAR_HEIGHT) - 1 downto 0);
+  signal rgb : std_logic_vector(RED_BITS + GREEN_BITS + BLUE_BITS - 1 downto 0);
+  signal char_cnt : std_logic_vector(log2c(COLUMN_COUNT) - 1 downto 0);
+  
+  signal mem_data, char_data : std_logic_vector(RED_BITS + GREEN_BITS + BLUE_BITS + CHAR_SIZE - 1 downto 0);
+  signal mem_col_address : std_logic_vector(log2c(COLUMN_COUNT) - 1 downto 0);
+  signal mem_row_address : std_logic_vector(log2c(LINE_COUNT) - 1 downto 0);
+  signal mem_scroll_address : std_logic_vector(log2c(LINE_COUNT) - 1 downto 0);
+  signal mem_wr : std_logic;
+  signal ack_vga, command_req_vga : std_logic;
+  signal command_vga : std_logic_vector(CHAR_SIZE - 1 downto 0);
+  signal command_data_vga : std_logic_vector(3 * COLOR_SIZE + CHAR_SIZE - 1 downto 0);
+  signal decoded_char : std_logic_vector(0 to CHAR_WIDTH - 1);
+  signal blink : std_logic;
+  signal background_color, cursor_color : std_logic_vector(RED_BITS + GREEN_BITS + BLUE_BITS - 1 downto 0);
+  signal cursor_state : CURSOR_STATE_TYPE;
+begin
+  textmode_vga_h_sm_inst :  textmode_vga_h_sm
+    port map
+    (
+      sys_clk => vga_clk,
+      sys_res_n => vga_res_n,
+      background_color => background_color,
+      char_cnt => char_cnt,
+      char_line_cnt => char_line_cnt,
+      cursor_column => mem_col_address,
+      cursor_line => mem_row_address,
+      cursor_color => cursor_color,
+      cursor_state => cursor_state,
+      decoded_char => decoded_char,
+      color => char_data(RED_BITS + GREEN_BITS + BLUE_BITS + CHAR_SIZE - 1 downto CHAR_SIZE),
+      is_data_line => is_data_line,
+      is_eol => is_eol,    
+      hsync_n => hsync_n,
+      rgb => rgb,
+      blink => blink
+    );
+  r <= rgb(RED_BITS + GREEN_BITS + BLUE_BITS - 1 downto GREEN_BITS + BLUE_BITS);
+  g <= rgb(GREEN_BITS + BLUE_BITS - 1 downto BLUE_BITS);
+  b <= rgb(BLUE_BITS - 1 downto 0);
+
+  textmode_vga_v_sm_inst : textmode_vga_v_sm
+    port map
+    (
+      sys_clk => vga_clk,
+      sys_res_n => vga_res_n,
+      is_data_line => is_data_line,
+      char_line_cnt => char_line_cnt,
+      char_height_pixel => char_height_pixel,
+      is_eol => is_eol,
+      vsync_n => vsync_n
+    );
+    
+  video_memory_inst : video_memory
+    generic map
+    (
+      DATA_WIDTH => RED_BITS + GREEN_BITS + BLUE_BITS + CHAR_SIZE,
+      ROW_ADDR_WIDTH => log2c(LINE_COUNT),
+      COL_ADDR_WIDTH => log2c(COLUMN_COUNT)
+    )
+    port map
+    (
+      vga_clk => vga_clk,
+      vga_col_address => char_cnt,
+      vga_row_address => char_line_cnt,
+      vga_data => char_data,      
+      sm_col_address => mem_col_address,
+      sm_row_address => mem_row_address,
+      sm_data => mem_data,
+      sm_wr => mem_wr,
+      sm_scroll_address => mem_scroll_address
+    );
+
+  font_rom_inst : font_rom
+    port map
+    (
+      vga_clk => vga_clk,
+      char => char_data(CHAR_SIZE - 1 downto 0),
+      char_height_pixel => char_height_pixel,
+      decoded_char => decoded_char
+    );
+
+  console_sm_inst : console_sm
+    port map
+    (
+      vga_clk => vga_clk,
+      vga_res_n => vga_res_n,
+      command => command_vga,
+      command_data => command_data_vga,
+      command_req => command_req_vga,
+      ack => ack_vga,
+      column_address => mem_col_address,
+      row_address => mem_row_address,
+      data => mem_data,
+      wr => mem_wr,
+      scroll_address => mem_scroll_address,
+      background_color => background_color,
+      cursor_color => cursor_color,
+      cursor_state => cursor_state
+    );
+  
+  console_sm_sync_inst : console_sm_sync
+    generic map
+    (
+      SYNC_STAGES => SYNC_STAGES
+    )
+    port map
+    (
+      sys_clk => sys_clk,
+      sys_res_n => sys_res_n,
+      command_sys => command,
+      command_data_sys => command_data,
+      free_sys => free,      
+      vga_clk => vga_clk,
+      vga_res_n => vga_res_n,
+      command_vga => command_vga,
+      command_data_vga => command_data_vga,
+      command_req_vga => command_req_vga,
+      ack_vga => ack_vga
+    );
+
+  blink_interval_inst : interval
+    generic map
+    (
+      CLK_FREQ => VGA_CLK_FREQ,
+      INTERVAL_TIME_MS => BLINK_INTERVAL_MS
+    )
+    port map
+    (
+      clk => vga_clk,
+      res_n => vga_res_n,
+      active => blink
+    );
+end architecture struct;