1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
-- module_commande.vhd
-- D. Dalle 30 avril 2019, 16 janv 2020, 23 avril 2020
-- module qui permet de réunir toutes les commandes (problematique circuit sequentiels)
-- recues des boutons, avec conditionnement, et des interrupteurs
-- 23 avril 2020 elimination constante mode_seq_bouton: std_logic := '0'
LIBRARY ieee;
USE ieee.std_logic_1164.all;
entity module_commande IS
generic (nbtn : integer := 4; mode_simulation: std_logic := '0');
PORT (
clk : in std_logic;
o_reset : out std_logic;
i_btn : in std_logic_vector (nbtn-1 downto 0); -- signaux directs des boutons
i_sw : in std_logic_vector (3 downto 0); -- signaux directs des interrupteurs
o_btn_cd : out std_logic_vector (nbtn-1 downto 0); -- signaux conditionnés
o_selection_fct : out std_logic_vector(1 downto 0);
o_selection_par : out std_logic_vector(1 downto 0)
);
end module_commande;
ARCHITECTURE BEHAVIOR OF module_commande IS
type sound_effect is (effect_a, effect_b, effect_c, effect_d);
signal current_sound_effect : sound_effect;
signal wanted_sound_effect : sound_effect;
signal increase_selection : std_logic;
signal decrease_selection : std_logic;
signal has_pressed_selection_already : std_logic;
component conditionne_btn_v7 is
generic (nbtn : integer := nbtn; mode_simul: std_logic := '0');
port (
CLK : in std_logic; -- devrait etre de l ordre de 50 Mhz
i_btn : in std_logic_vector (nbtn-1 downto 0);
--
o_btn_db : out std_logic_vector (nbtn-1 downto 0);
o_strobe_btn : out std_logic_vector (nbtn-1 downto 0)
);
end component;
signal d_strobe_btn : std_logic_vector (nbtn-1 downto 0);
signal d_btn_cd : std_logic_vector (nbtn-1 downto 0);
signal d_reset : std_logic;
signal needs_to_increase : std_logic;
signal needs_to_decrease : std_logic;
BEGIN
inst_cond_btn: conditionne_btn_v7
generic map (nbtn => nbtn, mode_simul => mode_simulation)
port map(
clk => clk,
i_btn => i_btn,
o_btn_db => d_btn_cd,
o_strobe_btn => d_strobe_btn
);
process(clk)
begin
if(rising_edge(clk)) then
o_reset <= d_reset;
end if;
end process;
reset_manager : process(d_reset, clk)
begin
if d_reset = '1' then
current_sound_effect <= effect_a;
elsif rising_edge(clk) then
-- Wanted sound effect is outputed on every clock edge
current_sound_effect <= wanted_sound_effect;
end if;
end process;
button_spam_manager : process(d_btn_cd, d_reset, clk)
begin
if d_reset = '1' then
has_pressed_selection_already <= '0';
increase_selection <= '0';
decrease_selection <= '0';
elsif rising_edge(clk) then
-- Managing creating pulses for the button to avoid spam increasing states!
if (NOT (has_pressed_selection_already = '1')) AND ((d_btn_cd(0) = '1') OR (d_btn_cd(1) = '1')) then
-- No increase or decrease is called AND one of the buttons is pressed!
-- That means we can send a pulse to increase or decrease the counter.
has_pressed_selection_already <= '1';
if d_btn_cd(0) = '1' then
increase_selection <= '1';
decrease_selection <= '0';
elsif d_btn_cd(1) = '1' then
decrease_selection <= '1';
increase_selection <= '0';
end if;
else
increase_selection <= '0';
decrease_selection <= '0';
end if;
else
if ((d_btn_cd(0) = '0') AND (d_btn_cd(1) = '0')) then
-- no buttons is pressed. Therefor, we can start registering an increase or decrease again.
has_pressed_selection_already <= '0';
end if;
end if;
end process;
state_manager : process(current_sound_effect, decrease_selection, increase_selection)
begin
case current_sound_effect is
when effect_a =>
o_selection_fct <= "00";
if increase_selection = '1' then
wanted_sound_effect <= effect_b;
-- increase_selection <= '0';
elsif decrease_selection = '1' then
wanted_sound_effect <= effect_d;
--decrease_selection <= '0';
end if;
when effect_b =>
o_selection_fct <= "01";
if increase_selection = '1' then
wanted_sound_effect <= effect_c;
--increase_selection <= '0';
elsif decrease_selection = '1' then
wanted_sound_effect <= effect_a;
--decrease_selection <= '0';
end if;
when effect_c =>
o_selection_fct <= "10";
if increase_selection = '1' then
wanted_sound_effect <= effect_d;
--increase_selection <= '0';
elsif decrease_selection = '1' then
wanted_sound_effect <= effect_b;
--decrease_selection <= '0';
end if;
when effect_d =>
o_selection_fct <= "11";
if increase_selection = '1' then
wanted_sound_effect <= effect_a;
--increase_selection <= '0';
elsif decrease_selection = '1' then
wanted_sound_effect <= effect_c;
--decrease_selection <= '0';
end if;
end case;
end process;
o_btn_cd <= d_btn_cd;
o_selection_par <= i_sw(1 downto 0); -- mode de selection du parametre par sw
--o_selection_fct <= i_sw(3 downto 2); -- mode de selection de la fonction par sw
d_reset <= i_btn(3); -- pas de contionnement particulier sur reset
END BEHAVIOR;
|
