adafruit_amg8833.py

class AMG8833:

	normal_mode  = 0x00
	sleep_mode  = 0x00
	standby_mode_60 = 0x20
	standby_mode_10 = 0x21

	def __init__(self, i2c, addr=0x69):
		"""
		initialization of class, requires 2 parameters

		parameters:
			i2c (initialized bus eg. with i2c = machine.I2C(sda=.., scl=...))
			addr  address of AMG88332 (in general 0x69 = 105d)
		"""
		self._i2c = i2c
		self._addr = addr
		"""
		a = self._i2c.scan()
		if not self._addr in a:
			print("no device on selected address %02X!" % self._addr)
		else:
			print("device on address %02X available." % self._addr)
		"""


	def set_power_mode(self, mode):
		b = bytes([mode])
		self._i2c.writeto_mem(self._addr, 0x00, b)
		return true


	def temperature(self):
		"""
		receive the current temperature in degree celcius

		tempearture as float
		"""
		t = self._i2c.readfrom_mem(self._addr, 0x0E, 2)
		return (t[0] + t[1]*256) * 0.0625;


	def pixel(self):
		"""
		read grid data from the chip 
		(starting address 0x80, )
		
		parameter: none (i2c and address are object properties)

		return 8x8 grid of INTEGER Values (no calculation) of real temperature
		"""
		bin_data = list(self._i2c.readfrom_mem(self._addr, 0x80, 128)) # linear data 128 byte
		int_data = [256*hi + lo for lo,hi in zip(bin_data[::2],bin_data[1::2])]; # linear data 64 Integer
		int_data = [int((element - 32) / 1.8) for element in int_data]
		return int_data
		# return [int_data[i:i+8] for i in range(0, 64, 8)] # 8x8 data structure


	def print8x8(self, data8x8):
		"""
		simple support routine to show the 8x8 values

		parameter:
			data8x8 ... data provided as 8x8 array

		return NONE
		"""
		for row in data8x8:
			for item in row:
				print(item, end=' ')
			print()