frequ.vwf

程序用VHDL实现： 利用一秒定时测量频率 并且显示

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/

/*
Copyright (C) 1991-2004 Altera Corporation
Any  megafunction  design,  and related netlist (encrypted  or  decrypted),
support information,  device programming or simulation file,  and any other
associated  documentation or information  provided by  Altera  or a partner
under  Altera's   Megafunction   Partnership   Program  may  be  used  only
to program  PLD  devices (but not masked  PLD  devices) from  Altera.   Any
other  use  of such  megafunction  design,  netlist,  support  information,
device programming or simulation file,  or any other  related documentation
or information  is prohibited  for  any  other purpose,  including, but not
limited to  modification,  reverse engineering,  de-compiling, or use  with
any other  silicon devices,  unless such use is  explicitly  licensed under
a separate agreement with  Altera  or a megafunction partner.  Title to the
intellectual property,  including patents,  copyrights,  trademarks,  trade
secrets,  or maskworks,  embodied in any such megafunction design, netlist,
support  information,  device programming or simulation file,  or any other
related documentation or information provided by  Altera  or a megafunction
partner, remains with Altera, the megafunction partner, or their respective
licensors. No other licenses, including any licenses needed under any third
party's intellectual property, are provided herein.
*/

HEADER
{
	VERSION = 1;
	TIME_UNIT = ns;
	SIMULATION_TIME = 1000000.0;
	GRID_PHASE = 0.0;
	GRID_PERIOD = 10.0;
	GRID_DUTY_CYCLE = 50;
}

SIGNAL("clk")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("clk1")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("clk1m")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("led")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 7;
	LSB_INDEX = 0;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("led[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("led[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("led[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("led[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("led[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("led[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("led[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "led";
}

SIGNAL("sa")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("sb")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("sc")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("start")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("ledpt")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "";
}

TRANSITION_LIST("clk")
{
	NODE
	{
		REPEAT = 1;
		NODE
		{
			REPEAT = 1000;
			LEVEL 0 FOR 500000.0;
			LEVEL 1 FOR 500000.0;
		}
	}
}

TRANSITION_LIST("clk1")
{
	NODE
	{
		REPEAT = 1000;
		LEVEL 0 FOR 1000000.0;
	}
}

TRANSITION_LIST("clk1m")
{
	NODE
	{
		REPEAT = 1;
		NODE
		{
			REPEAT = 1000000;
			LEVEL 0 FOR 500.0;
			LEVEL 1 FOR 500.0;
		}
	}
}

TRANSITION_LIST("led[6]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 3523.9;
		NODE
		{
			REPEAT = 166666;
			LEVEL 1 FOR 7.1;
			LEVEL 0 FOR 5992.9;
		}
		LEVEL 1 FOR 7.1;
		LEVEL 0 FOR 469.0;
	}
}

TRANSITION_LIST("led[5]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 1529.7;
		NODE
		{
			REPEAT = 166666;
			LEVEL 0 FOR 0.7;
			LEVEL 1 FOR 1991.6;
			LEVEL 0 FOR 1.3;
			LEVEL 1 FOR 4006.4;
		}
		LEVEL 0 FOR 0.7;
		LEVEL 1 FOR 1991.6;
		LEVEL 0 FOR 1.3;
		LEVEL 1 FOR 476.7;
	}
}

TRANSITION_LIST("led[4]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 1529.2;
		NODE
		{
			REPEAT = 166666;
			LEVEL 0 FOR 0.7;
			LEVEL 1 FOR 1995.7;
			LEVEL 0 FOR 1.3;
			LEVEL 1 FOR 4002.3;
		}
		LEVEL 0 FOR 0.7;
		LEVEL 1 FOR 1995.7;
		LEVEL 0 FOR 1.3;
		LEVEL 1 FOR 473.1;
	}
}

TRANSITION_LIST("led[3]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 1530.6;
		NODE
		{
			REPEAT = 166666;
			LEVEL 0 FOR 0.7;
			LEVEL 1 FOR 1992.9;
			LEVEL 0 FOR 0.6;
			LEVEL 1 FOR 3.1;
			LEVEL 0 FOR 1.7;
			LEVEL 1 FOR 4001.0;
		}
		LEVEL 0 FOR 0.7;
		LEVEL 1 FOR 1992.9;
		LEVEL 0 FOR 0.6;
		LEVEL 1 FOR 3.1;
		LEVEL 0 FOR 1.7;
		LEVEL 1 FOR 470.4;
	}
}

TRANSITION_LIST("led[2]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 3522.9;
		NODE
		{
			REPEAT = 166666;
			LEVEL 0 FOR 1.3;
			LEVEL 1 FOR 0.6;
			LEVEL 0 FOR 3.1;
			LEVEL 1 FOR 5995.0;
		}
		LEVEL 0 FOR 1.3;
		LEVEL 1 FOR 0.6;
		LEVEL 0 FOR 3.1;
		LEVEL 1 FOR 472.1;
	}
}

TRANSITION_LIST("led[1]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 3524.7;
		NODE
		{
			REPEAT = 166666;
			LEVEL 0 FOR 3.1;
			LEVEL 1 FOR 5996.9;
		}
		LEVEL 0 FOR 3.1;
		LEVEL 1 FOR 472.2;
	}
}

TRANSITION_LIST("led[0]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 1530.6;
		NODE
		{
			REPEAT = 166666;
			LEVEL 0 FOR 0.7;
			LEVEL 1 FOR 1996.6;
			LEVEL 0 FOR 1.7;
			LEVEL 1 FOR 4001.0;
		}
		LEVEL 0 FOR 0.7;
		LEVEL 1 FOR 1996.6;
		LEVEL 0 FOR 1.7;
		LEVEL 1 FOR 470.4;
	}
}

TRANSITION_LIST("sa")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 519.0;
		NODE
		{
			REPEAT = 499999;
			LEVEL 1 FOR 1000.0;
			LEVEL 0 FOR 1000.0;
		}
		LEVEL 1 FOR 1000.0;
		LEVEL 0 FOR 481.0;
	}
}

TRANSITION_LIST("sb")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1513.1;
		NODE
		{
			REPEAT = 166666;
			LEVEL 1 FOR 2000.0;
			LEVEL 0 FOR 4000.0;
		}
		LEVEL 1 FOR 2000.0;
		LEVEL 0 FOR 486.9;
	}
}

TRANSITION_LIST("sc")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 3512.5;
		NODE
		{
			REPEAT = 166666;
			LEVEL 1 FOR 2000.0;
			LEVEL 0 FOR 4000.0;
		}
		LEVEL 1 FOR 487.5;
	}
}

TRANSITION_LIST("start")
{
	NODE
	{
		REPEAT = 1000;
		LEVEL 1 FOR 115.0;
		LEVEL 0 FOR 7495.0;
		LEVEL 1 FOR 992390.0;
	}
}

TRANSITION_LIST("ledpt")
{
	NODE
	{
		REPEAT = 1000;
		LEVEL 0 FOR 1000000.0;
	}
}

DISPLAY_LINE
{
	CHANNEL = "start";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 0;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "clk";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 1;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "clk1";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 2;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "clk1m";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 3;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "led";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 4;
	TREE_LEVEL = 0;
	CHILDREN = 5, 6, 7, 8, 9, 10, 11;
}

DISPLAY_LINE
{
	CHANNEL = "led[6]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 5;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "led[5]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 6;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "led[4]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 7;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "led[3]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 8;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "led[2]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 9;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "led[1]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 10;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "led[0]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 11;
	TREE_LEVEL = 1;
	PARENT = 4;
}

DISPLAY_LINE
{
	CHANNEL = "sa";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 12;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "sb";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 13;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "sc";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Unsigned;
	TREE_INDEX = 14;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "ledpt";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 15;
	TREE_LEVEL = 0;
}

TIME_BAR
{
	TIME = 10075;
	MASTER = TRUE;
}
;