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-- Package File Template
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--
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-- Purpose: This package defines supplemental types, subtypes,
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-- constants, and functions
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library IEEE;
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use IEEE.STD_LOGIC_1164.all;
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package LCD_16x2_CFG is
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type LCD_DRVR_CTRL_BUSS is
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record
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LCD_RW : std_logic;
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LCD_RS : std_logic;
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LCD_E : std_logic;
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LCD_DATA : std_logic_vector(7 downto 0);
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end record;
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type LCD_DRVR_SYNCH_BUSS is
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record
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DRVR_READY : std_logic;
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LCD_INITIALISED : std_logic;
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end record;
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type LCD_DRVR_CMD_BUSS is
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record
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Word : std_logic_vector(7 downto 0);
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CMD_Data : std_logic; --CMD = '0' and data = '1'
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Exec : std_logic;
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Duration : std_logic_vector(1 downto 0);
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end record;
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type LCD_CFG_Tbl is array(0 to 4) of std_logic_vector(7 downto 0);
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constant ClearDSPLY : std_logic_vector(7 downto 0):= X"01";
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constant FunctionSet : std_logic_vector(7 downto 0):= X"38";
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constant RetHome : std_logic_vector(7 downto 0):= X"02";
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constant SetEntryMode : std_logic_vector(7 downto 0):= X"06";
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constant DSPL_CTRL : std_logic_vector(7 downto 0):= X"0C";
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constant CursorON : std_logic_vector(7 downto 0):= X"0E";
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constant CursorOFF : std_logic_vector(7 downto 0):= X"0C";
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--===========================================================|
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--======L C D D R I V E R T I M I N G C O D E=====|
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--===========================================================|
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constant Duration_4us : std_logic_vector(1 downto 0) := "00";
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constant Duration_100us : std_logic_vector(1 downto 0) := "01";
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constant Duration_4ms : std_logic_vector(1 downto 0) := "10";
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constant Duration_20ms : std_logic_vector(1 downto 0) := "11";
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end LCD_16x2_CFG;
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