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constant cmdFunctionSet : std_logic_vector (7 downto 0) := 0x28;


			when function_set =>

				-- Timing (in clock cycles)
				-- 0 - 1 : setup time
				-- 2 - 13 : command (send first nibble)
				-- 14 - 64 : wait 1 us before sending second nibble
						
                                if( lcd_counter > CONV_STD_LOGIC_VECTOR(1,20) and lcd_counter < CONV_STD_LOGIC_VECTOR(14,20))
                                then
					LCD_E <= '1';
				else
					LCD_E <= '0';
                                end if;
					
				if (lcd_counter < CONV_STD_LOGIC_VECTOR(14,20)) then
					SF_D <= cmdFunctionSet(7 downto 4);
					LCD_RW <= '0';
				else
					SF_D <= "0000";
					LCD_RW <= '0';
				end if;
				
				if (lcd_counter = CONV_STD_LOGIC_VECTOR(64,20)) then
					next_state <= function_set_sendcmd;
                                        next_lcd_counter <= CONV_STD_LOGIC_VECTOR(0,20);
				end if;
					
 
			when function_set_sendcmd =>
				
				-- Timing (in clock cycles)
				-- 0 - 1 : setup time
				-- 2 - 13 : command (sending second nibble)
				-- 14 - 2014 : wait 40 us before sending next command
				
				if( lcd_counter > CONV_STD_LOGIC_VECTOR(1,20) and lcd_counter < CONV_STD_LOGIC_VECTOR(14,20))
                                then
					LCD_E <= '1';
				else
					LCD_E <= '0';
                                end if;
					
				if (lcd_counter < CONV_STD_LOGIC_VECTOR(14,20)) then
					SF_D <= cmdFunctionSet(3 downto 0);
					LCD_RW <= '0';
				else
					SF_D <= "0000";
					LCD_RW <= '0';
				end if;
				
				if (lcd_counter = CONV_STD_LOGIC_VECTOR(2014,20)) then
					next_state <= entry_mode_set;
                                        next_lcd_counter <= CONV_STD_LOGIC_VECTOR(0,20);
				end if;