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authorBad Diode <bd@badd10de.dev>2024-01-15 16:06:05 +0100
committerBad Diode <bd@badd10de.dev>2024-01-15 16:06:05 +0100
commitf6efcdd98b32f1cd0d5a4a52abb333437c04b44f (patch)
treef4542a21ceb080af21b684250650368de7fc9e3e /src/patterns.c
parent65089bc6ca9e31878afd583e133cb376ef03f268 (diff)
downloadstepper-f6efcdd98b32f1cd0d5a4a52abb333437c04b44f.tar.gz
stepper-f6efcdd98b32f1cd0d5a4a52abb333437c04b44f.zip
[WIP] Add decay control and attack/decay params on ch3
Diffstat (limited to 'src/patterns.c')
-rw-r--r--src/patterns.c105
1 files changed, 61 insertions, 44 deletions
diff --git a/src/patterns.c b/src/patterns.c
index a1f8f24..8dd0f5c 100644
--- a/src/patterns.c
+++ b/src/patterns.c
@@ -7,7 +7,7 @@ typedef struct TriggerNote {
7 Note note; 7 Note note;
8} TriggerNote; 8} TriggerNote;
9 9
10typedef struct ChannelSquareParams { 10typedef struct ChannelSquare1Params {
11 u8 env_volume; 11 u8 env_volume;
12 u8 env_time; 12 u8 env_time;
13 u8 env_direction; 13 u8 env_direction;
@@ -17,7 +17,16 @@ typedef struct ChannelSquareParams {
17 u8 sweep_direction; 17 u8 sweep_direction;
18 u8 prob; 18 u8 prob;
19 s8 pan; 19 s8 pan;
20} ChannelSquareParams; 20} ChannelSquare1Params;
21
22typedef struct ChannelSquare2Params {
23 u8 env_volume;
24 u8 env_time;
25 u8 env_direction;
26 u8 duty_cycle;
27 u8 prob;
28 s8 pan;
29} ChannelSquare2Params;
21 30
22typedef struct ChannelWaveParams { 31typedef struct ChannelWaveParams {
23 u8 wave_volume; 32 u8 wave_volume;
@@ -26,6 +35,8 @@ typedef struct ChannelWaveParams {
26 u8 type_a; 35 u8 type_a;
27 u8 shape_b; 36 u8 shape_b;
28 u8 type_b; 37 u8 type_b;
38 u8 wave_attack;
39 u8 wave_decay;
29 u8 prob; 40 u8 prob;
30 s8 pan; 41 s8 pan;
31} ChannelWaveParams; 42} ChannelWaveParams;
@@ -39,11 +50,17 @@ typedef struct ChannelNoiseParams {
39 s8 pan; 50 s8 pan;
40} ChannelNoiseParams; 51} ChannelNoiseParams;
41 52
42typedef struct ChannelSquare { 53typedef struct ChannelSquare1 {
43 bool active; 54 bool active;
44 TriggerNote notes[16]; 55 TriggerNote notes[16];
45 ChannelSquareParams params[16]; 56 ChannelSquare1Params params[16];
46} ChannelSquare; 57} ChannelSquare1;
58
59typedef struct ChannelSquare2 {
60 bool active;
61 TriggerNote notes[16];
62 ChannelSquare2Params params[16];
63} ChannelSquare2;
47 64
48typedef struct ChannelWave { 65typedef struct ChannelWave {
49 bool active; 66 bool active;
@@ -58,8 +75,8 @@ typedef struct ChannelNoise {
58} ChannelNoise; 75} ChannelNoise;
59 76
60typedef struct Pattern { 77typedef struct Pattern {
61 ChannelSquare ch1; 78 ChannelSquare1 ch1;
62 ChannelSquare ch2; 79 ChannelSquare2 ch2;
63 ChannelWave ch3; 80 ChannelWave ch3;
64 ChannelNoise ch4; 81 ChannelNoise ch4;
65 int bpm; 82 int bpm;
@@ -71,7 +88,7 @@ typedef struct Pattern {
71// Defaults. 88// Defaults.
72// 89//
73 90
74const ChannelSquare default_ch1 = { 91const ChannelSquare1 default_ch1 = {
75 .notes = { 92 .notes = {
76 {true, NOTE_C_4}, 93 {true, NOTE_C_4},
77 {true, NOTE_D_SHARP_4}, 94 {true, NOTE_D_SHARP_4},
@@ -111,7 +128,7 @@ const ChannelSquare default_ch1 = {
111 .active = true, 128 .active = true,
112}; 129};
113 130
114const ChannelSquare default_ch2 = { 131const ChannelSquare2 default_ch2 = {
115 .notes = { 132 .notes = {
116 {true, NOTE_C_3}, 133 {true, NOTE_C_3},
117 {true, NOTE_C_3}, 134 {true, NOTE_C_3},
@@ -131,22 +148,22 @@ const ChannelSquare default_ch2 = {
131 {true, NOTE_C_3}, 148 {true, NOTE_C_3},
132 }, 149 },
133 .params = { 150 .params = {
134 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 151 {8, 4, 0, 2, PROB_100, 0},
135 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 152 {8, 4, 0, 2, PROB_100, 0},
136 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 153 {8, 4, 0, 2, PROB_100, 0},
137 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 154 {8, 4, 0, 2, PROB_100, 0},
138 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 155 {8, 4, 0, 2, PROB_100, 0},
139 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 156 {8, 4, 0, 2, PROB_100, 0},
140 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 157 {8, 4, 0, 2, PROB_100, 0},
141 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 158 {8, 4, 0, 2, PROB_100, 0},
142 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 159 {8, 4, 0, 2, PROB_100, 0},
143 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 160 {8, 4, 0, 2, PROB_100, 0},
144 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 161 {8, 4, 0, 2, PROB_100, 0},
145 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 162 {8, 4, 0, 2, PROB_100, 0},
146 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 163 {8, 4, 0, 2, PROB_100, 0},
147 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 164 {8, 4, 0, 2, PROB_100, 0},
148 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 165 {8, 4, 0, 2, PROB_100, 0},
149 {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}, 166 {8, 4, 0, 2, PROB_100, 0},
150 }, 167 },
151 .active = true, 168 .active = true,
152}; 169};
@@ -171,22 +188,22 @@ const ChannelWave default_ch3 = {
171 {true, NOTE_G_5}, 188 {true, NOTE_G_5},
172 }, 189 },
173 .params = { 190 .params = {
174 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 191 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
175 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 192 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
176 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 193 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
177 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 194 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
178 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 195 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
179 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 196 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
180 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 197 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
181 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 198 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
182 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 199 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
183 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 200 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
184 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 201 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
185 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 202 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
186 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 203 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
187 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 204 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
188 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 205 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
189 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}, 206 {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0},
190 }, 207 },
191 .active = true, 208 .active = true,
192}; 209};
@@ -244,7 +261,7 @@ static Pattern patterns[8] = {
244 {default_ch1, default_ch2, default_ch3, default_ch4, default_bpm, 0, true}, 261 {default_ch1, default_ch2, default_ch3, default_ch4, default_bpm, 0, true},
245}; 262};
246 263
247static ChannelSquareParams ch1_params = {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}; 264static ChannelSquare1Params ch1_params = {8, 4, 0, 2, 0, 0, 0, PROB_100, 0};
248static ChannelSquareParams ch2_params = {8, 4, 0, 2, 0, 0, 0, PROB_100, 0}; 265static ChannelSquare2Params ch2_params = {8, 4, 0, 2, PROB_100, 0};
249static ChannelWaveParams ch3_params = {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, PROB_100, 0}; 266static ChannelWaveParams ch3_params = {3, 0, WAVE_SIN, 0, WAVE_SAW, 0, 0, 0, PROB_100, 0};
250static ChannelNoiseParams ch4_params = {0xF, 0x2, 0, 0, PROB_100, 0}; 267static ChannelNoiseParams ch4_params = {0xF, 0x2, 0, 0, PROB_100, 0};
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-29 10:19:43 +0000