aaron/vhdl-yasg
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Some changes on controller. not working yet.

Browse Source
This commit is contained in:
T-moe
2016-06-06 20:00:36 +02:00
parent 8f14757888
commit 382de8e524
1 changed files with 19 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
controller.vhd
View File

@@ -55,6 +55,9 @@ architecture Behavioral of controller is
signal charcnt_reg, charcnt_next : unsigned(15 downto 0) := (others => '0'); signal charcnt_reg, charcnt_next : unsigned(15 downto 0) := (others => '0');
signal lcd_newchar_reg,lcd_newchar_next : std_logic := '0'; signal lcd_newchar_reg,lcd_newchar_next : std_logic := '0';
signal lcd_data_reg, lcd_data_next: unsigned(7 downto 0) :=(others => '0'); signal lcd_data_reg, lcd_data_next: unsigned(7 downto 0) :=(others => '0');
type character_array is array (15 downto 0) of character;
constant line1 : character_array := ( 'h', 'e', 'l','l','o', others=> ' ' );
begin begin
@@ -81,11 +84,21 @@ begin
end if; end if;
end process proc1; end process proc1;
freq_out <= resize(digit_reg(0),17) -- freq_out <= resize(digit_reg(0),17)
+ resize(digit_reg(1) * 10 ,17) -- + resize(digit_reg(1) * 10 ,17)
+ resize(digit_reg(2) * 100 ,17) -- + resize(digit_reg(2) * 100 ,17)
+ resize(digit_reg(3) * 1000,17) -- + resize(digit_reg(3) * 1000,17)
+ resize(digit_reg(4) * 10000,17); -- + resize(digit_reg(4) * 10000,17);
freq_out <= digit_reg(0)
+ resize((digit_reg(1)
+ resize((digit_reg(2)
+ resize((digit_reg(3)
+ resize(digit_reg(4) * 10,7)
) * 10,10)
)* 10 ,14)
)* 10 ,17);
lcd_data <= lcd_data_reg; lcd_data <= lcd_data_reg;
lcd_newchar <= lcd_newchar_reg; lcd_newchar <= lcd_newchar_reg;
@@ -115,7 +128,7 @@ begin
end if; end if;
if(lcd_busy = '0' and charcnt_reg < 10) then if(lcd_busy = '0' and charcnt_reg < 10) then
lcd_data_next <= to_unsigned(65,8); lcd_data_next <= to_unsigned(character'pos(line1(to_integer(charcnt_reg))),8);
lcd_newchar_next <= '1'; lcd_newchar_next <= '1';
charcnt_next <= charcnt_reg + 1; charcnt_next <= charcnt_reg + 1;
end if; end if;