初始化提交

boards/default_src/micropython/origin/build/lib/ap3216c.py

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+"""
+AP3216C
+
+MicroPython library for the AP3216C(ALS,PS,IRS)
+=======================================================
+#Preliminary composition       			20240630
+
+@dahanzimin From the Mixly Team
+"""
+import time
+from micropython import const
+
+AP3216_ADD		= const(0x1E)
+AP_SYS_CMD		= const(0x00)
+AP_DAT			= const(0x0A)
+AP_ALS_CMD		= const(0x10)
+AP_PS_CMD		= const(0x20)
+AP_PS_LED		= const(0x21)
+Resolution 		= 0.35
+
+class AP3216C:
+	def __init__(self, i2c_bus, addr=AP3216_ADD):
+		self._device = i2c_bus
+		self._address = addr
+		self._wreg(AP_SYS_CMD, 0x04)	# SW reset
+		time.sleep_ms(100)
+		self._wreg(AP_SYS_CMD, 0x03)	# 011: ALS and PS+IR functions active		
+		self._wreg(AP_ALS_CMD, 0x00)	# Range 1: 0 ~ 20661 Lux. Resolution = 0.35 lux/count.
+		self._wreg(AP_PS_CMD, 0x09)		# PS gain:10
+		self._wreg(AP_PS_LED, 0x23)		# PS LED pulse:10
+
+	def _wreg(self, reg, val):
+		'''Write memory address'''
+		self._device.writeto_mem(self._address,reg,val.to_bytes(1, 'little'))
+	
+	def _rreg(self, reg, nbytes=1):
+		'''Read memory address'''
+		return  self._device.readfrom_mem(self._address, reg, nbytes)[0] if nbytes<=1 else self._device.readfrom_mem(self._address, reg, nbytes)[0:nbytes]
+	
+	@property	
+	def getdata(self):
+		'''处理获取数据'''
+		#buf = self._rreg(AP_DAT, 6)
+		ir = (self._rreg(AP_DAT + 0) & 0x03) | self._rreg(AP_DAT + 1) << 2
+		als= (self._rreg(AP_DAT + 2) | self._rreg(AP_DAT + 3) << 8) * Resolution
+		ps = (self._rreg(AP_DAT + 4) & 0x0F) | (self._rreg(AP_DAT + 5) & 0x3F) << 4
+		return round(als, 2), ir, ps
+
+	def als_vis(self):	
+		'''可见光Lux'''
+		return self.getdata[0]
+		
+	def als_ir(self):	
+		'''红外Lux'''
+		return self.getdata[1]		
+		
+	def ps_nl(self):	
+		'''接近距离'''
+		return self.getdata[2]