URL
https://opencores.org/ocsvn/16x2_lcd_controller/16x2_lcd_controller/trunk
Subversion Repositories 16x2_lcd_controller
Compare Revisions
- This comparison shows the changes necessary to convert path
/
- from Rev 9 to Rev 10
- ↔ Reverse comparison
Rev 9 → Rev 10
/16x2_lcd_controller/trunk/lcd16x2_ctrl.vhd
6,7 → 6,7
-- Author : <stachelsau@T420> |
-- Company : |
-- Created : 2012-07-28 |
-- Last update: 2012-07-29 |
-- Last update: 2012-11-28 |
-- Platform : |
-- Standard : VHDL'93/02 |
------------------------------------------------------------------------------- |
62,7 → 62,7
delay_h : integer range 0 to MAX_DELAY; |
delay_l : integer range 0 to MAX_DELAY; |
end record op_t; |
constant default : op_t := (rs => '1', data => X"00", delay_h => DELAY_NIBBLE, delay_l => DELAY_40_US); |
constant default_op : op_t := (rs => '1', data => X"00", delay_h => DELAY_NIBBLE, delay_l => DELAY_40_US); |
constant op_select_line1 : op_t := (rs => '0', data => X"80", delay_h => DELAY_NIBBLE, delay_l => DELAY_40_US); |
constant op_select_line2 : op_t := (rs => '0', data => X"C0", delay_h => DELAY_NIBBLE, delay_l => DELAY_40_US); |
|
117,7 → 117,7
begin |
case state is |
when RESET => |
this_op <= default; |
this_op <= default_op; |
next_state <= CONFIG; |
next_ptr <= config_ops_t'high; |
|
142,7 → 142,7
end if; |
|
when WRITE_LINE1 => |
this_op <= default; |
this_op <= default_op; |
this_op.data <= line1_buffer(ptr*8 + 7 downto ptr*8); |
next_ptr <= ptr; |
next_state <= WRITE_LINE1; |
163,7 → 163,7
end if; |
|
when WRITE_LINE2 => |
this_op <= default; |
this_op <= default_op; |
this_op.data <= line2_buffer(ptr*8 + 7 downto ptr*8); |
next_ptr <= ptr; |
next_state <= WRITE_LINE2; |