docs: 同步日常维护指南并补齐遗漏的板卡配置

mixly/boards/default/micropython/build/lib/tm1650.py

@@ -0,0 +1,83 @@
+"""
+TM1650 for Four Digit LED Display
+
+Micropython library for the TM1650
+=======================================================
+@dahanzimin From the Mixly Team 
+"""
+from micropython import const
+from machine import Pin, SoftI2C 
+
+TM1650_CMD 	= const(0x24)
+TM1650_DSP 	= const(0x34)
+_SEGMENTS 	= b'\x3F\x06\x5B\x4F\x66\x6D\x7D\x07\x7F\x6F\x77\x7C\x39\x5E\x79\x71'
+
+class TM1650:
+	def __init__(self, i2c_bus=None, clk=0, dio=1, brightness=2):
+		if i2c_bus is None:
+			self.i2c = SoftI2C(scl=Pin(clk), sda=Pin(dio), freq=100000)
+		else:
+			self.i2c = i2c_bus
+		self._intensity = brightness
+		self.dbuf = [0, 0, 0, 0]
+		self.on()
+
+	def _wreg(self, val):
+		self.i2c.writeto(TM1650_CMD, val.to_bytes(1, 'little'))
+
+	def intensity(self, val=None):
+		"""Set the display brightness 0-7."""
+		if val is None:
+			return self._intensity
+		val = max(min(val, 7), 0)
+		self._intensity = val
+		if val == 0:
+			self.off()
+		else:
+			self.on()
+
+	def on(self):
+		self._wreg((self._intensity << 4) | 0x01)
+
+	def off(self):
+		self._wreg(0)
+
+	def dat(self, bit, val):
+		self.i2c.writeto(TM1650_DSP + bit % 4, val.to_bytes(1, 'little'))
+
+	def clear(self):
+		self.dat(0, 0)
+		self.dat(1, 0)
+		self.dat(2, 0)
+		self.dat(3, 0)
+		self.dbuf = [0, 0, 0, 0]
+
+	def showbit(self, num, bit=0):
+		self.dbuf[bit % 4] = _SEGMENTS[num % 16]
+		self.dat(bit, _SEGMENTS[num % 16])
+
+	def shownum(self, num):
+		if num < 0:
+			self.dat(0, 0x40)   # '-'
+			num = -num
+		else:
+			self.showbit((num // 1000) % 10)
+		self.showbit(num % 10, 3)
+		self.showbit((num // 10) % 10, 2)
+		self.showbit((num // 100) % 10, 1)
+
+	def showhex(self, num):
+		if num < 0:
+			self.dat(0, 0x40)   # '-'
+			num = -num
+		else:
+			self.showbit((num >> 12) % 16)
+		self.showbit(num % 16, 3)
+		self.showbit((num >> 4) % 16, 2)
+		self.showbit((num >> 8) % 16, 1)
+
+	def showDP(self, bit=1, show=True):
+		if show:
+			self.dat(bit, self.dbuf[bit] | 0x80)
+		else:
+			self.dat(bit, self.dbuf[bit] & 0x7F)