live avec le clavier midi

aarnaude
1 parent 876963c4
Showing 3 changed files with 92 additions and 16 deletions Show diff stats
analyse_midi_keyboard.c
test.py
test2.py
@@ -28,12 +28,12 @@ void recup_num(){
 	//int NUM_PORT;
 	fd=fopen("num_count2.txt","r");
 	fscanf(fd, "%d", &NUM_PORT);
-	printf("num = %d \n", NUM_PORT);
+	//printf("num = %d \n", NUM_PORT);
 	fclose(fd); 
 }
-static void init_seq(void)
+void init_seq(void)
 {
 	int err;
@@ -46,7 +46,7 @@ static void init_seq(void)
 	if (err<0) printf("set client name");
 }
-static void create_port(void)
+void create_port(void)
 {
 	int err;
@@ -59,7 +59,7 @@ static void create_port(void)
 		printf("Port non créé \n");
 }
-static void connect_port(void)
+void connect_port(void)
 {
 	int err;
 	err = snd_seq_connect_from(seq, 0, NUM_PORT, 0);
@@ -93,8 +93,7 @@ Evenement action(snd_seq_event_t *event){
 	return k;
 }
-void boucle(){
-	Evenement k;
+Evenement wait_event(){
 	struct pollfd *pfds;
 	int npfds, err;
 	npfds = snd_seq_poll_descriptors_count(seq, POLLIN);
@@ -110,21 +109,16 @@ void boucle(){
 				break;
 			if (event)
 			{
-				action(event);
+				return action(event);
 			}
 		} while (err > 0);
 		fflush(stdout);
 	}
+	
 }
-int lancer(){
-	recup_num();
-	init_seq();
-	create_port();
-	connect_port();
-	boucle();
+void close_sequencer(){
 	snd_seq_close(seq);
-	return 0;
 }
+from ctypes import *
+from RPi import GPIO
+from threading import Thread
+from threading import Event
+import dico_akai
 import ctypes as ct
-_lib = ct.cdll.LoadLibrary("./analyse.so")
+import signal
+import sys
-_lib.lancer()
+_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:
+			if b == 1:
+                        	if r.type == 0:
+                                	p.ChangeFrequency(dico_akai.midi_note[r.note])
+                        	if r.type == 1:
+                                	p.ChangeFrequency(1)
+
+	def stop(self):
+		self.running = False
+
+def fin_du_live(signal, frame):
+	print("fin du live")
+	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()
+b = 1
+fd1 = FD(13)
+fd2 = FD(18)
+fd1.start()
+fd2.start()
+while(True):
+	prev = r.type
+	r = _lib.wait_event()
+	if r.type != prev:
+		b=1
+	else:
+		b=0
+#! /usr/bin/python
+
 from ctypes import *
 from RPi import GPIO
 from threading import Thread