threading sur les FDs avec le clavier maitre MIDI

aarnaude
1 parent 8ebe9c5f
Showing 2 changed files with 165 additions and 0 deletions Show diff stats
dico_akai.py
test2.py
@@ -0,0 +1,79 @@
+midi_note={}
+
+midi_note[0]=262
+midi_note[1]=277
+midi_note[2]=294
+midi_note[3]=311
+midi_note[4]=330
+midi_note[5]=349
+midi_note[6]=370
+midi_note[7]=392
+midi_note[8]=415
+midi_note[9]=440
+midi_note[10]=466
+midi_note[11]=494
+midi_note[12]=523
+midi_note[13]=554
+midi_note[14]=587
+midi_note[15]=622
+midi_note[16]=659
+midi_note[17]=698
+midi_note[18]=740
+midi_note[19]=784
+midi_note[20]=831
+midi_note[21]=880
+midi_note[22]=932
+midi_note[23]=988
+midi_note[24]=1046
+midi_note[25]=1109
+midi_note[26]=1175
+midi_note[27]=1244
+midi_note[28]=1318
+midi_note[29]=1397
+midi_note[30]=1480
+midi_note[31]=1568
+midi_note[32]=1661
+midi_note[33]=1760
+midi_note[34]=1865
+midi_note[35]=1975
+midi_note[36]=2093
+midi_note[37]=2217
+midi_note[38]=2349
+midi_note[39]=2489
+midi_note[40]=2637
+midi_note[41]=2794
+midi_note[42]=2960
+midi_note[43]=3136
+midi_note[44]=3322
+midi_note[45]=3520
+midi_note[46]=3729
+midi_note[47]=3951
+midi_note[48]=4186
+midi_note[49]=4435
+midi_note[50]=4698
+midi_note[51]=4978
+midi_note[52]=5274
+midi_note[53]=5588
+midi_note[54]=5920
+midi_note[55]=6272
+midi_note[56]=6645
+midi_note[57]=7040
+midi_note[58]=7458
+midi_note[59]=7902
+midi_note[60]=8372
+midi_note[61]=8870
+midi_note[62]=9396
+midi_note[63]=9956
+midi_note[64]=10548
+midi_note[65]=11176
+midi_note[66]=11840
+midi_note[67]=12544
+midi_note[68]=13290
+midi_note[69]=14080
+midi_note[70]=14918
+midi_note[71]=15804
+midi_note[72]=16744
+midi_note[73]=17740
+midi_note[74]=18792
+midi_note[75]=19912
+midi_note[76]=21098
@@ -0,0 +1,86 @@
+from ctypes import *
+from RPi import GPIO
+from threading import Thread
+from threading import Event
+import dico_akai
+import ctypes as ct
+import signal
+import sys
+
+_lib = ct.cdll.LoadLibrary("./libanalysemidi.so")
+
+class Evenement(Structure):
+	_fields_ = [("type", ct.c_int),("note", ct.c_int), ("velocity",ct.c_int)]
+
+_lib.wait_event.restype = Evenement
+
+class FD(Thread):
+
+        def __init__(self, pin):
+                Thread.__init__(self);
+                self.pin = pin
+		self.running = False
+
+        def run(self):
+                p = GPIO.PWM(self.pin,1)
+                p.start(50)
+		self.running = True
+                while self.running:
+                        	e.wait()
+				if r.type == 0:
+                                	p.ChangeFrequency(dico_akai.midi_note[r.note])
+                        	if r.type == 1:
+                                	p.ChangeFrequency(1)
+				e.clear()
+
+	def stop(self):
+		self.running = False
+
+def fin_du_live(signal, frame):
+	print("fin du live")
+	e.set()
+	fd1.stop()
+	fd2.stop()
+	fd1.join()
+	fd2.join()
+	GPIO.cleanup()
+	_lib.close()	
+	sys.exit(0)
+
+signal.signal(signal.SIGINT, fin_du_live)
+_lib.recup_num()
+_lib.init_seq()
+_lib.create_port()
+_lib.connect_port()
+#Initialisation des FDs
+GPIO.setmode(GPIO.BCM)
+#FD1
+GPIO.setup(23,GPIO.OUT)
+GPIO.setup(24,GPIO.OUT)
+GPIO.setup(25,GPIO.OUT)
+#FD2
+GPIO.setup(16,GPIO.OUT)
+GPIO.setup(20,GPIO.OUT)
+GPIO.setup(21,GPIO.OUT)
+#PWM
+GPIO.setup(18,GPIO.OUT)
+GPIO.setup(13,GPIO.OUT)
+#Act FD1
+GPIO.output(23,GPIO.LOW)
+GPIO.output(24,GPIO.LOW)
+GPIO.output(25,GPIO.LOW)
+#Act FD2
+GPIO.output(16,GPIO.LOW)
+GPIO.output(20,GPIO.LOW)
+GPIO.output(21,GPIO.LOW)
+
+r = _lib.wait_event()
+e = Event()
+
+fd1 = FD(13)
+fd2 = FD(18)
+fd1.start()
+fd2.start()
+while(True):
+	r = _lib.wait_event()
+	e.set()