forked from royvegard/Nano-Basket
-
Notifications
You must be signed in to change notification settings - Fork 0
/
nano_basket_backend.py
457 lines (370 loc) · 15.7 KB
/
nano_basket_backend.py
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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
# -*- coding: utf-8 -*-
# Nano Basket
# Copyright (C) 2011 Roy Vegard Ovesen <[email protected]>
# This file is part of Nano Basket.
#
# Nano Basket is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Nano Basket is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Nano Basket. If not, see <http://www.gnu.org/licenses/>.
import struct
import time
from pyalsa import alsaseq
class Nano_Kontrol_Common:
"""Common parameters from TABLE 1 of 'nanoKONTROL MIDI Implementation'
file available from Korg."""
def __init__(self):
self.Scene_Name = 'Scene 1' # ASCII code
self.Scene_Midi_Channel = 0 # 0~15
def Get_List(self):
"""Return a list of the parameters in the order that they should
appear in the sysex file."""
# Scene name must contain exactly 12 bytes, padded with spaces.
scene_name = (self.Scene_Name + ' ')[0:12]
scene_list = list(struct.unpack('12B', scene_name))
scene_list.append(self.Scene_Midi_Channel)
return scene_list
class Nano_Kontrol_Block:
def __init__(self):
self.Block_Midi_Channel = 16 # 0~15/16~=MIDI Ch.0~15/Scene MIDI Ch.
self.Slider_Assign_Type = 1 # 0/1=No Assign/CC
self.Slider_CC = 1 # 0~127
self.Slider_Min_Value = 0 # 0~127
self.Slider_Max_Value = 127 # 0~127
self.Knob_Assign_Type = 1 # 0/1=No Assign/CC
self.Knob_CC = 1 # 0~127
self.Knob_Min_Value = 0 # 0~127
self.Knob_Max_Value = 127 # 0~127
self.SW_A_Assign_Type = 1 # 0~2=No Assign/CC/Note
self.SW_A_CC = 1 # 0~127
self.SW_A_Off_Value = 0 # 0~127
self.SW_A_On_Value = 127 # 0~127
self.SW_A_Attack_Time = 0 # 0~127
self.SW_A_Release_Time = 0 # 0~127
self.SW_A_Switch_Type = 0 # 0/1=Momentary/Toggle
self.SW_B_Assign_Type = 1 # 0~2=No Assign/CC/Note
self.SW_B_CC = 1 # 0~127
self.SW_B_Off_Value = 0 # 0~127
self.SW_B_On_Value = 127 # 0~127
self.SW_B_Attack_Time = 0 # 0~127
self.SW_B_Release_Time = 0 # 0~127
self.SW_B_Switch_Type = 0 # 0/1=Momentary/Toggle
def Set_Midi_Channel(Value):
if (Value > -1 and Value < 128):
self.Block_Midi_Channel = Value
def Get_List(self):
"""Return a list of the parameters in the order that they should
appear in the sysex file."""
return [self.Block_Midi_Channel,
self.Slider_Assign_Type,
self.Slider_CC,
self.Slider_Min_Value,
self.Slider_Max_Value,
self.Knob_Assign_Type,
self.Knob_CC,
self.Knob_Min_Value,
self.Knob_Max_Value,
self.SW_A_Assign_Type,
self.SW_A_CC,
self.SW_A_Off_Value,
self.SW_A_On_Value,
self.SW_A_Attack_Time,
self.SW_A_Release_Time,
self.SW_A_Switch_Type,
self.SW_B_Assign_Type,
self.SW_B_CC,
self.SW_B_Off_Value,
self.SW_B_On_Value,
self.SW_B_Attack_Time,
self.SW_B_Release_Time,
self.SW_B_Switch_Type]
class Nano_Kontrol_Transport_Switch:
def __init__(self):
self.Assign_Type = 1 # 0~2=No Assign/CC/MMC
self.CC = 1 # 0~127
self.MMC_Command = 1 # 0~12
self.MMC_Device_ID = 1 # 0~127
self.Switch_Type = 0 # 0/1=Momentary/Toggle
# MMC commands:
# 0 - Stop
# 1 - Play
# 2 - Deffered Play
# 3 - Fast Forward
# 4 - Rewind
# 5 - Record Strobe
# 6 - Record Exit
# 7 - Record Pause
# 8 - Pause
# 9 - Eject
# 10 - Chase
# 11 - Command Error Reset
# 12 - MMC Reset
def Get_List(self):
"""Return a list of the parameters in the order that they should
appear in the sysex file."""
return [self.Assign_Type,
self.CC,
self.MMC_Command,
self.MMC_Device_ID,
self.Switch_Type]
class Nano_Kontrol_Scene:
"""Contains a complete nanoKONTROL scene."""
def __init__(self):
self.Common = Nano_Kontrol_Common()
self.Block_1 = Nano_Kontrol_Block()
self.Block_2 = Nano_Kontrol_Block()
self.Block_3 = Nano_Kontrol_Block()
self.Block_4 = Nano_Kontrol_Block()
self.Block_5 = Nano_Kontrol_Block()
self.Block_6 = Nano_Kontrol_Block()
self.Block_7 = Nano_Kontrol_Block()
self.Block_8 = Nano_Kontrol_Block()
self.Block_9 = Nano_Kontrol_Block()
self.Block = [self.Block_1, self.Block_2, self.Block_3,
self.Block_4, self.Block_5, self.Block_6,
self.Block_7, self.Block_8, self.Block_9]
self.Transport_Midi_Channel = 16 # 0~15/16~=MIDI Ch.0~15/Scene MIDI Ch.
self.Transport_1 = Nano_Kontrol_Transport_Switch() # REW
self.Transport_2 = Nano_Kontrol_Transport_Switch() # PLAY
self.Transport_3 = Nano_Kontrol_Transport_Switch() # FF
self.Transport_4 = Nano_Kontrol_Transport_Switch() # LOOP
self.Transport_5 = Nano_Kontrol_Transport_Switch() # STOP
self.Transport_6 = Nano_Kontrol_Transport_Switch() # REC
self.Transport_Button = [self.Transport_1, self.Transport_2,
self.Transport_3, self.Transport_4,
self.Transport_5, self.Transport_6]
def Get_List(self):
"""Return a list of the parameters in the order that they should
appear in the sysex file."""
Parameter_List = self.Common.Get_List() + \
[0, 0, 0] + \
self.Block_1.Get_List() + \
self.Block_2.Get_List() + \
self.Block_3.Get_List() + \
self.Block_4.Get_List() + \
self.Block_5.Get_List() + \
self.Block_6.Get_List() + \
self.Block_7.Get_List() + \
self.Block_8.Get_List() + \
self.Block_9.Get_List() + \
[0,] + \
[self.Transport_Midi_Channel,] + \
self.Transport_1.Get_List() + \
self.Transport_2.Get_List() + \
self.Transport_3.Get_List() + \
self.Transport_4.Get_List() + \
self.Transport_5.Get_List() + \
self.Transport_6.Get_List() + \
[0,]
return Parameter_List
def Parse_Data(self, Data):
""" """
if (len(Data) != 307):
return
Data_List = list(Data[13:])
for i in range(37, 0, -1):
Data_List.pop((i-1)*8)
Scene_Name = ''
for i in range(12):
Scene_Name += chr(Data_List[i])
self.Common.Scene_Name = Scene_Name
self.Common.Scene_Midi_Channel = Data_List[12]
i = 0
for b in self.Block:
b.Block_Midi_Channel = Data_List[16+i*23]
b.Slider_Assign_Type = Data_List[17+i*23]
b.Slider_CC = Data_List[18+i*23]
b.Slider_Min_Value = Data_List[19+i*23]
b.Slider_Max_Value = Data_List[20+i*23]
b.Knob_Assign_Type = Data_List[21+i*23]
b.Knob_CC = Data_List[22+i*23]
b.Knob_Min_Value = Data_List[23+i*23]
b.Knob_Max_Value = Data_List[24+i*23]
b.SW_A_Assign_Type = Data_List[25+i*23]
b.SW_A_CC = Data_List[26+i*23]
b.SW_A_Off_Value = Data_List[27+i*23]
b.SW_A_On_Value = Data_List[28+i*23]
b.SW_A_Attack_Time = Data_List[29+i*23]
b.SW_A_Release_Time = Data_List[30+i*23]
b.SW_A_Switch_Type = Data_List[31+i*23]
b.SW_B_Assign_Type = Data_List[32+i*23]
b.SW_B_CC = Data_List[33+i*23]
b.SW_B_Off_Value = Data_List[34+i*23]
b.SW_B_On_Value = Data_List[35+i*23]
b.SW_B_Attack_Time = Data_List[36+i*23]
b.SW_B_Release_Time = Data_List[37+i*23]
b.SW_B_Switch_Type = Data_List[38+i*23]
i += 1
self.Transport_Midi_Channel = Data_List[224]
i = 0
for b in self.Transport_Button:
b.Assign_Type = Data_List[225+i*5]
b.CC = Data_List[226+i*5]
b.MMC_Command = Data_List[227+i*5]
b.MMC_Device_ID = Data_List[228+i*5]
b.Switch_Type = Data_List[229+i*5]
i += 1
class Nano_Kontrol_Alsa_Midi_Comm:
"""Communicates with the device."""
def __init__(self, Midi_Port_Name='Nano Basket MIDI 1'):
self.Seq = alsaseq.Sequencer(clientname='Nano Basket')
self.Event = alsaseq.SeqEvent(alsaseq.SEQ_EVENT_SYSEX)
self.Controller = alsaseq.SeqEvent(alsaseq.SEQ_EVENT_CONTROLLER)
self.Port = self.Seq.create_simple_port(name=Midi_Port_Name,
type=alsaseq.SEQ_PORT_TYPE_APPLICATION,
caps=alsaseq.SEQ_PORT_CAP_SUBS_READ | \
alsaseq.SEQ_PORT_CAP_READ | \
alsaseq.SEQ_PORT_CAP_WRITE | \
alsaseq.SEQ_PORT_CAP_SUBS_WRITE)
self.Response_Wait = 0.2
def Scene_Change_Request(self, Scene_Number=0):
"""Sends a scene change request to the device."""
if (Scene_Number > 3):
Scene_Number = 3
elif (Scene_Number < 0):
Scene_Number = 0
Global_Channel = self.Search_Device_Request()[4]
Sysex = [0xf0, 0x42] # Exclusive Header
Sysex.extend([0x40 + Global_Channel])
Sysex.extend([0x00, 0x01, 0x04, 0x00]) # Software Project (nanoKONTROL: 000104H)
Sysex.extend([0x1f]) # Data Dump Command (Host->Controller, 2Bytes Format)
Sysex.extend([0x14]) # Scene Change Request
Sysex.extend([Scene_Number])
Sysex.extend([0xf7]) # End of Exclusive (EOX)
self.Flush_Events()
self.Event.set_data({'ext': Sysex})
self.Seq.output_event(self.Event)
self.Seq.drain_output()
time.sleep(self.Response_Wait)
Response = self.Seq.receive_events(timeout=1000, maxevents = 200)
for Res in Response:
if ('ext' in Res.get_data().keys()):
if (Res.get_data()['ext'][9] == Scene_Number):
print('Scene change Success!')
return True
def Scene_Upload_Request(self, Scene_List, Scene_Number=None):
"""Writes a scene configuration to the device.
Note that the configuration is only temporarily stored.
To permanently write it to the device's memory, issue
a Scene_Write_Request."""
# Inser a '0' every 8th index
for i in range(37):
Scene_List.insert(i*8, 0)
Global_Channel = self.Search_Device_Request()[4]
Sysex = [0xf0, 0x42] # Exclusive Header
Sysex.extend([0x40 + Global_Channel])
Sysex.extend([0x00, 0x01, 0x04, 0x00]) # Software Project (nanoKONTROL: 000104H)
Sysex.extend([0x7f]) # Data Dump Command (Host<->Controller, Variable Format)
Sysex.extend([0x7f]) # Over 0x7F Data
Sysex.extend([0x02]) # 2Bytes structure
Sysex.extend([0x02]) # Num of Data MSB (1+293 bytes : B'100100110)
Sysex.extend([0x26]) # Num of Data LSB
Sysex.extend([0x40]) # Current Scene Data Dump
Sysex.extend(Scene_List) # Data
Sysex.extend([0xf7]) # End of Exclusive (EOX)
self.Flush_Events()
if (Scene_Number):
self.Scene_Change_Request(Scene_Number)
self.Event.set_data({'ext': Sysex})
self.Seq.output_event(self.Event)
self.Seq.drain_output()
time.sleep(self.Response_Wait)
Response = self.Seq.receive_events(timeout=1000, maxevents = 200)
for Res in Response:
if ('ext' in Res.get_data().keys()):
if (Res.get_data()['ext'][9] == 0x23):
print('Data load Success!')
elif(Res.get_data()['ext'][9] == 0x23):
print('Data load Fail!')
def Scene_Dump_Request(self, Scene_Number=None):
"""Reads the scene configuration from the device."""
if (Scene_Number):
self.Scene_Change_Request(Scene_Number)
Global_Channel = self.Search_Device_Request()[4]
Sysex = [0xf0, 0x42] # Exclusive Header
Sysex.extend([0x40 + Global_Channel])
Sysex.extend([0x00, 0x01, 0x04, 0x00]) # Software Project (nanoKONTROL: 000104H)
Sysex.extend([0x1f]) # Data Dump Command (Host->Controller, 2Bytes Format)
Sysex.extend([0x10]) # Scene Dump Request
Sysex.extend([0x00]) # Padding
Sysex.extend([0xf7]) # End of Exclusive (EOX)
self.Flush_Events()
self.Event.set_data({'ext': Sysex})
self.Seq.output_event(self.Event)
self.Seq.drain_output()
time.sleep(self.Response_Wait)
Response = self.Seq.receive_events(timeout=1000, maxevents = 200)
Data = []
for Res in Response:
if ('ext' in Res.get_data().keys()):
Data.extend(Res.get_data()['ext'])
return Data
def Scene_Write_Request(self, Scene_Number=0):
"""Writes the current scene data into the internal memory.
Normally used after a Scene_Upload_Request to permanently
store the new scene configuration."""
if (Scene_Number > 3):
Scene_Number = 3
elif (Scene_Number < 0):
Scene_Number = 0
Global_Channel = self.Search_Device_Request()[4]
Sysex = [0xf0, 0x42] # Exclusive Header
Sysex.extend([0x40 + Global_Channel])
Sysex.extend([0x00, 0x01, 0x04, 0x00]) # Software Project (nanoKONTROL: 000104H)
Sysex.extend([0x1f]) # Data Dump Command (Host->Controller, 2Bytes Format)
Sysex.extend([0x11]) # Scene Write Request
Sysex.extend([Scene_Number])
Sysex.extend([0xf7]) # End of Exclusive (EOX)
self.Flush_Events()
self.Event.set_data({'ext': Sysex})
self.Seq.output_event(self.Event)
self.Seq.drain_output()
time.sleep(self.Response_Wait)
Response = self.Seq.receive_events(timeout=1000, maxevents = 200)
for Res in Response:
if ('ext' in Res.get_data().keys()):
if (Res.get_data()['ext'][9] == 0x23):
print('Data load Success!')
elif(Res.get_data()['ext'][9] == 0x23):
print('Data load Fail!')
def Search_Device_Request(self):
Sysex = [0xf0, 0x42, 0x50] # Exclusive Header
Sysex.extend([0x00, 0x01])
Sysex.extend([0xf7]) # End of Exclusive (EOX)
self.Flush_Events()
self.Event.set_data({'ext': Sysex})
self.Seq.output_event(self.Event)
self.Seq.drain_output()
time.sleep(self.Response_Wait)
Response = self.Seq.receive_events(timeout=1000, maxevents = 200)
for Res in Response:
if ('ext' in Res.get_data().keys()):
if (Res.get_data()['ext'][0:4] == [0xf0, 0x42, 0x50, 0x01]):
print('Got device')
return Res.get_data()['ext']
print('no response device request')
def Flush_Events(self):
while (self.Seq.receive_events(maxevents = 200)):
pass
def Send_Midi_CC(self, Channel=0, CC=0, Value=0):
self.Controller.set_data({'control.channel':Channel, 'control.param':CC, 'control.value':Value})
self.Seq.output_event(self.Controller)
self.Seq.drain_output()
def Send_Midi_MMC(self, Device_ID=0, Command=1):
MMC_Message = [0xf0, 0x7f, Device_ID, 0x06, Command, 0xf7]
self.Event.set_data({'ext': MMC_Message})
self.Seq.output_event(self.Event)
self.Seq.drain_output()
if (__name__ == '__main__'):
Nano_Scene = Nano_Kontrol_Scene()
Midi_Comm = Nano_Kontrol_Alsa_Midi_Comm()
Midi_Comm.Scene_Change_Request(0)
#Nano_Scene.Parse_Data(Midi_Comm.Scene_Dump_Request())