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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
import ValueStream, EventStream, Op, Input, val, evt from require 'core.base'
import apply_range, bit from require 'lib.midi.core'
import bor, lshift from bit
color = (r, g) -> bit.bor 12, r, (bit.lshift g, 4)
cc_seq = ValueStream.meta
meta:
name: 'cc-seq'
summary: "MIDI CC-Sequencer."
examples: { '(launchctl/cc-seq [port] i start chan [steps [range]])' }
description: "
returns the value for the i-th step steps (buttons starting from start).
steps defaults to 8.
range can be one of:
- 'raw' [ 0 - 128[
- 'uni' [ 0 - 1[ (default)
- 'bip' [-1 - 1[
- 'rad' [ 0 - tau[
- 'deg' [ 0 - 360[
- (num) [ 0 - num["
value: class extends Op
num = val.num
pattern = -evt['midi/port'] + num + num + num + -num + -(val.str + num)
setup: (inputs, scope) =>
{ port, i, start, chan, steps, range } = pattern\match inputs
super
port: Input.hot port or scope\get '*ctrl*'
i: Input.hot i
start: Input.hot start
chan: Input.hot chan
steps: Input.hot steps or ValueStream.num 8
range: Input.hot range or ValueStream.str 'uni'
@state or= {}
@out or= ValueStream 'num', apply_range @inputs.range, 0
tick: =>
{ :port, :i, :start, :chan, :steps, :range } = @inputs
if steps\dirty!
while steps! > #@state
table.insert @state, 0
while steps! < #@state
table.remove @state
curr_i = i! % #@state
if port\dirty!
changed = false
for msg in *port!
if msg.status == 'control-change' and msg.chan == chan!
rel_i = msg.a - start!
if rel_i >= 0 and rel_i < #@state
@state[rel_i+1] = msg.b
changed = rel_i == curr_i
@out\set apply_range range, @state[curr_i+1] if changed
else
@out\set apply_range range, @state[curr_i+1]
gate_seq = ValueStream.meta
meta:
name: 'gate-seq'
summary: "MIDI Gate-Sequencer."
examples: { '(launchctl/gate-seq [port] i start chan [steps])' }
description: "
Send `true` or `false` for the `i`-th note-button (MIDI-notes starting from
`start`). `steps` defaults to 8."
value: class extends Op
pattern = -evt['midi/port'] + val.num + val.num + val.num + -val.num
setup: (inputs, scope) =>
@out or= ValueStream 'bool'
@state or= {}
{ port, i, start, chan, steps } = pattern\match inputs
super
port: Input.hot port or scope\get '*ctrl*'
i: Input.hot i
start: Input.hot start
chan: Input.hot chan
steps: Input.hot steps or ValueStream.num 8
light = (set, active) ->
set = if set then 'S' else ' '
active = if active then 'A' else ' '
color switch set .. active
when ' ' then 0, 0
when ' A' then 1, 1
when 'S ' then 1, 0
when 'SA' then 3, 1
display: (i, active) =>
start, chan = @inputs.start!, @inputs.chan!
@inputs.port.stream\send 'note-on', chan, (start + i), light @state[i+1], active
tick: =>
{ :port, :i, :start, :chan, :steps } = @inputs
if steps\dirty!
while steps! > #@state
table.insert @state, false
while steps! < #@state
table.remove @state
curr_i = i! % #@state
if port\dirty!
for msg in *port!
if msg.status == 'note-on' and msg.chan == chan!
rel_i = msg.a - start!
if rel_i >= 0 and rel_i < #@state
@state[rel_i+1] = not @state[rel_i+1]
@display rel_i, rel_i == curr_i
if i\dirty!
prev_i = (curr_i - 1) % #@state
@display curr_i, true
@display prev_i, false
@out\set @state[curr_i+1]
trig_seq = ValueStream.meta
meta:
name: 'trig-seq'
summary: "MIDI Trigger-Sequencer."
examples: { '(launchctl/trig-seq [port] i start chan [steps])' }
description: "
Send bangs for the `i`-th note-button (MIDI-notes starting from `start`).
`steps` defaults to 8."
value: class extends Op
pattern = -evt['midi/port'] + val.num + val.num + val.num + -val.num
setup: (inputs, scope) =>
@out or= EventStream 'bang'
@state or= {}
{ port, i, start, chan, steps } = pattern\match inputs
super
port: Input.hot port or scope\get '*ctrl*'
i: Input.hot i
start: Input.hot start
chan: Input.hot chan
steps: Input.hot steps or ValueStream.num 8
light = (set, active) ->
set = if set then 'S' else ' '
active = if active then 'A' else ' '
color switch set .. active
when ' ' then 0, 0
when ' A' then 1, 1
when 'S ' then 1, 0
when 'SA' then 3, 1
display: (i, active) =>
start, chan = @inputs.start!, @inputs.chan!
@inputs.port.stream\send 'note-on', chan, (start + i), light @state[i+1], active
tick: =>
{ :port, :i, :start, :chan, :steps } = @inputs
if steps\dirty!
while steps! > #@state
table.insert @state, false
while steps! < #@state
table.remove @state
curr_i = i! % #@state
if port\dirty!
for msg in *port!
if msg.status == 'note-on' and msg.chan == chan!
rel_i = msg.a - start!
if rel_i >= 0 and rel_i < #@state
@state[rel_i+1] = not @state[rel_i+1]
@display rel_i, rel_i == curr_i
if i\dirty!
prev_i = (curr_i - 1) % #@state
@display curr_i, true
@display prev_i, false
if @state[curr_i+1]
@out\add true
{
'cc-seq': cc_seq
'gate-seq': gate_seq
'trig-seq': trig_seq
}
|
