Add Arp music synth

soundsarecool/main.py

@@ -0,0 +1,97 @@
+'''
+A small N channel music player a la 8088 MPH
+(Demo is only two channels)
+
+By Molive^SLP
+'''
+
+___name___         = "Arp Music Player"
+___title___        = "Arp Music Player"
+___license___      = "WTFPL"
+___dependencies___ = ["ugfx_helper", "speaker"]
+___categories___   = ["Demo","Sound"]
+
+import speaker
+import utime
+
+from app import restart_to_default
+from tilda import Buttons
+	
+channels = [		#Supports up to n simultaneous channels. 
+					#Each channel will loop it's data independently from the others
+	[				#and channels do not need the same length of data in them.
+	('F4',2),		#No. of channels is decided on startup, and all channels are running at any one time.
+	('D#4',2),		
+	('D4',2),
+	('C#4',1),
+	('D#4',1),
+	],
+	
+	##[
+	##('A#3',4),
+	##],
+	
+	##[
+	##('C4',4),
+	##],
+	
+	[
+	('F5',0.125),
+	('G#5',0.25),
+	('F5',0.125),
+	('A#5',0.25),
+	('F5',0.125),
+	('C6',0.25),
+	('F5',0.125),
+	('A#5',0.25),
+	('F5',0.25),
+	('G#5',0.25),
+	],
+	
+	]
+
+def prt(s):
+	ugfx.clear()
+	ugfx.text(5,5,str(s),0)
+	
+import ugfx
+ugfx.init()
+
+prt("RUNNING SOUND TEST")
+
+utime.sleep(1)
+
+prt("Use menu to reboot")
+
+speaker.enabled(True)
+
+channel_waits = [				#Add more of these to increase the max channel count
+	[-1,utime.ticks_ms()],
+	[-1,utime.ticks_ms()],
+	[-1,utime.ticks_ms()],
+	[-1,utime.ticks_ms()],
+	]
+
+current_channel = 0	
+	
+while True:						#Main awesome loop which handles all music channels. Can handle and arbitrary amount, but lags at high numbers.
+	for channel in channels:
+		##print(channel_waits[current_channel][1])		#Uncomment some of these for more debug info :P
+		if channel_waits[current_channel][1] == 0 or channel_waits[current_channel][1] <= utime.ticks_ms():
+			print("CHANGING CHANNEL "+str(current_channel))
+			channel_waits[current_channel][0] += 1
+			if channel_waits[current_channel][0] == len(channel):
+				channel_waits[current_channel][0] = 0
+			channel_waits[current_channel][1] += (channels[current_channel][channel_waits[current_channel][0]][1]*1000.0)
+		speaker.note(channel[channel_waits[current_channel][0]][0])
+		##print(channel[channel_waits[current_channel][0]])
+		if Buttons.is_pressed(Buttons.BTN_Menu):
+			print("BAIL BAIL BAIL")
+			restart_to_default()
+		current_channel += 1
+		if current_channel == len(channels):
+			current_channel = 0
+		##print(current_channel)
+		utime.sleep(0.03) 		#Decrease this for more accurate but weirder arps. Comment it out for insane madness
+		
+restart_to_default()