更新MPY一些库优化，及增加微波雷达，语音播放库

boards/default_src/micropython/origin/build/lib/ns9300.py

@@ -0,0 +1,117 @@
+"""
+NS9300
+
+Micropython library for the NS9300(Music Player)
+=======================================================
+@dahanzimin From the Mixly Team 
+"""
+import time
+from micropython import const
+
+_PLAY_CTRL			= const(0x04)
+_PLAY_VOL			= const(0x06)
+_PLAY_INS			= const(0x09)
+_PLAY_MODE			= const(0x0B)
+
+class NS9300:
+	def __init__(self, uart, delay=250):
+		self._uart = uart
+		self._delay = delay
+		self._uart.init(baudrate=9600, timeout_char=5)
+		if not self._chip_id():
+			raise AttributeError("Cannot find a NS930x")
+
+	def _wreg(self, cmd, data=b'\x00'):
+		'''Write memory address'''
+		_buf = bytearray([cmd, 255 - cmd, len(data)]) + data
+		eec = 0
+		for i in range(len(_buf)):
+			eec += _buf[i]
+		_buf.append(eec & 0xFF)
+		#print("TX:", bytes(_buf), len(_buf))
+		self._uart.write(_buf)
+
+	def _rreg(self, cmd):
+		'''read memory address'''
+		time.sleep_ms(self._delay)
+		if self._uart.any():
+			_buf = self._uart.read()
+			#print("RX:", _buf, len(_buf))
+			if _buf[0] == 0xAA and _buf[1] == 0x55:
+				raise OSError("Play Error", _buf[4])
+			elif _buf[0] == cmd and _buf[0] == (255 - _buf[1]):
+				#eec = 0
+				#for i in range(len(_buf) - 1):
+					#eec += _buf[i]
+				#if (eec & 0xFF) == _buf[-1]:
+				return _buf[3:3 + _buf[2]]
+
+	def _chip_id(self):
+		'''复位指令有问题，暂停止播放态处理'''
+		for _ in range(10):
+			self._wreg(_PLAY_CTRL, b'\x03')
+			if self._rreg(_PLAY_CTRL):
+				return True
+
+	def _ascll(self, data):
+		'''获取ASCLL字节，剔除中文'''
+		_strs=''
+		for char in data:
+			_strs += char if ord(char) <= 0xFF else "*"
+		return _strs.encode()
+
+	def status(self, value=1):
+		"""0已停止? 1播放中? 2已暂停?"""
+		return self.control(0) == value
+
+	def control(self, value=0):
+		"""0查询(0停止 1播放 2暂停) 1播放  2暂停 3停止 4上一曲 5下一曲 6总曲数 7当前曲"""
+		self._wreg(_PLAY_CTRL, (value if value <= 5  else value + 7).to_bytes(1, 'little'))
+		_dat = self._rreg(_PLAY_CTRL)
+		if _dat:
+			return _dat[1] if value <= 3 else _dat[1] << 8 | _dat[2]
+
+	def play(self, value='m*.mp3'):
+		"""int播放曲目 str播放文件(*省略,GBK编码MPY不支持)"""
+		if isinstance(value, int):
+			self._wreg(_PLAY_CTRL, b'\x06' + value.to_bytes(2, 'big'))
+		elif isinstance(value, str):
+			self._wreg(_PLAY_CTRL, b'\x07' + self._ascll(value)) 
+		else:
+			raise ValueError("Input format error")
+		_dat = self._rreg(_PLAY_CTRL)
+		if _dat:
+			return _dat[1] << 8 | _dat[2]
+
+	def insert(self, value='m*.mp3'):
+		"""int播放曲目 str播放文件(*省略,GBK编码MPY不支持)"""
+		if isinstance(value, int):
+			self._wreg(_PLAY_INS, b'\x00\x02' + value.to_bytes(2, 'big'))
+		elif isinstance(value, str):
+			self._wreg(_PLAY_INS, b'\x01\x02' + self._ascll(value))
+		else:
+			raise ValueError("Input format error")
+		time.sleep_ms(self._delay)
+
+	def volume(self, value=None):
+		"""None返回音量 int设置音量(0~30)"""
+		if value is None:
+			self._wreg(_PLAY_VOL, b'\x00')
+			_dat = self._rreg(_PLAY_VOL)
+			if _dat:
+				return _dat[1]
+		else:
+			value = min(30, max(0, value))
+			self._wreg(_PLAY_VOL, b'\x01' + value.to_bytes(1, 'little')) 
+			time.sleep_ms(self._delay)
+
+	def mode(self, value=None):
+		"""0全部循环 1单曲循环 2目录循环 3随机播放 4单曲停止 5顺序播放"""
+		if value is None:
+			self._wreg(_PLAY_MODE, b'\x00')
+			_dat = self._rreg(_PLAY_MODE)
+			if _dat:
+				return _dat[1]
+		else:
+			self._wreg(_PLAY_MODE, b'\x01' + value.to_bytes(1, 'little')) 
+			time.sleep_ms(self._delay)