teroshdl/test/examples/vhdl/example_1.json

Backend for terosHDL IDE

{
  "entity": { "name": "arith_counter_gray", "description": "" },
  "generics": [
    {
      "name": "BITS",
      "type": "positive",
      "line": 37,
      "direction": "",
      "default_value": "",
      "description": " Bit width of the counter"
    },
    {
      "name": "INIT",
      "type": "natural",
      "line": 38,
      "direction": "",
      "default_value": "0",
      "description": " Initial/reset counter value"
    }
  ],
  "ports": [
    {
      "name": "clk",
      "type": "std_logic",
      "line": 41,
      "direction": "in",
      "default_value": "",
      "description": "",
      "group": ""
    },
    {
      "name": "rst",
      "type": "std_logic",
      "line": 42,
      "direction": "in",
      "default_value": "",
      "description": " Reset to INIT value",
      "group": ""
    },
    {
      "name": "inc",
      "type": "std_logic",
      "line": 43,
      "direction": "in",
      "default_value": "",
      "description": " Increment",
      "group": ""
    },
    {
      "name": "dec",
      "type": "std_logic",
      "line": 44,
      "direction": "in",
      "default_value": "'0'",
      "description": " Decrement",
      "group": ""
    },
    {
      "name": "val",
      "type": "std_logic_vector(BITS - 1 downto 0)",
      "line": 45,
      "direction": "out",
      "default_value": "",
      "description": " Value output",
      "group": ""
    },
    {
      "name": "cry",
      "type": "std_logic",
      "line": 46,
      "direction": "out",
      "default_value": "",
      "description": " Carry output",
      "group": ""
    }
  ],
  "body": {
    "processes": [{ "name": "unnamed", "sens_list": "clk", "description": "" }],
    "instantiations": []
  },
  "declarations": {
    "types": [],
    "signals": [
      {
        "name": "gray_cnt_r",
        "type": "unsigned(BITS - 1 downto 0)",
        "line": 73,
        "description": ""
      },
      {
        "name": "gray_cnt_nxt",
        "type": "unsigned(BITS - 1 downto 0)",
        "line": 74,
        "description": ""
      },
      { "name": "en", "type": "std_logic", "line": 76, "description": "" }
    ],
    "constants": [
      {
        "name": "INIT_GRAY",
        "type": "unsigned(BITS - 1 downto 0)",
        "default_value": " gray_encode(INIT, BITS)",
        "line": 72,
        "description": ""
      }
    ],
    "functions": [
      {
        "name": "gray_encode",
        "line": 52,
        "type": "",
        "arguments": "(val : natural; len : positive)",
        "return": "return unsigned",
        "description": ""
      },
      {
        "name": "parity",
        "line": 62,
        "type": "",
        "arguments": "(val : unsigned)",
        "return": "return std_logic",
        "description": ""
      }
    ]
  },
  "info": {}
}