更新 mini支持后台播放音乐

boards/default_src/micropython_esp32c2/origin/build/lib/musicx.py

@@ -5,6 +5,7 @@ Micropython library for the Music buzzer(Coprocessor I2C communication)
 =======================================================
 @dahanzimin From the Mixly Team
 """
+import _thread
 from time import sleep_ms
 
 normal_tone = {
@@ -24,6 +25,8 @@ class MIDI():
 	def __init__(self, bus, volume=100):
 		self.reset()
 		self._bus = bus
+		self._play = False
+		self._over = True
 		self._volume = volume // 5
 
 	def set_volume(self, volume):
@@ -86,12 +89,16 @@ class MIDI():
 			tone = tone[:pos]
 
 	def play(self, tune, duration=None):
+		self._play = True
+		self._over = False
 		if duration is None:
 			self.set_default(tune[0])
 		else:
 			self.set_duration(duration)
 		for tone in tune:
 			tone = tone.upper() 
+			if not self._play:
+				break 
 			if tone[0] not in Letter:
 				continue
 			midi = self.midi(tone)
@@ -100,6 +107,15 @@ class MIDI():
 			self._bus.buzzer(0)
 			sleep_ms(1)
 		sleep_ms(10)
+		self._over = True
+
+	def play_thread(self, tune, duration=None):
+		self._play = False
+		while not self._over:
+			pass
+		if not self._play:
+			_thread.start_new_thread(self.play, (tune, duration))
+			sleep_ms(50)
 
 	def pitch(self, freq):
 		self._bus.buzzer(self._volume, int(freq))
@@ -112,6 +128,7 @@ class MIDI():
 		
 	def stop(self):
 		self._bus.buzzer(0)
+		self._play = False
 		sleep_ms(10)
 
 	BA_DING=('b5:1','e6:3')