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Python i2c.writing_bytes函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中quick2wire.i2c.writing_bytes函数的典型用法代码示例。如果您正苦于以下问题：Python writing_bytes函数的具体用法？Python writing_bytes怎么用？Python writing_bytes使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了writing_bytes函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: getFullLuminosity

    def getFullLuminosity(self):
        self.enable()
        self.wait()
        
        with i2c.I2CMaster(self.i2cbus) as bus:    
            read_results = bus.transaction(
                i2c.writing_bytes(address, self.COMMAND_BIT | self.WORD_BIT | self.REGISTER_CHAN1_LOW ),
                i2c.reading(address, 2),
                i2c.writing_bytes(address, self.COMMAND_BIT | self.WORD_BIT | self.REGISTER_CHAN0_LOW ),
                i2c.reading(address, 2)        
            )
       
        self.disable()  

        full = read_results[0][1]
#        print("---- full: %#08x" % full)
        full = full << 8
        full += read_results[0][0]
#        print("---- full: %#08x" % full)
        full = full << 8    
        full += read_results[1][1]
#        print("---- full: %#08x" % full)
        full = full << 8
        full += read_results[1][0]
#        print("---- full: %#08x" % full)

        return full
开发者ID:cznewt，项目名称:TSL2561，代码行数:27，代码来源:TSL2561.py


示例2: initSensor

 def initSensor(self):
     """ initalizes the first channel if the MAX1164 device in single
     endded mode with vdd as ref
     """
     with i2c.I2CMaster(1) as bus:
         bus.transaction(i2c.writing_bytes(self.address, 0x8a ))
         bus.transaction(i2c.writing_bytes(self.address, 0x01 ))
开发者ID:Roboteurs，项目名称:slushengine，代码行数:7，代码来源:Temprature.py


示例3: getDate

	def getDate():
		# get date and return value
		
		#get day
		day, day2 = bus.transaction(
			i2c.writing_bytes(rtc_address1, 0x05),
			i2c.reading(rtc_address1,2))[0]
		timeday1 = ((day >> 4) & 0x03)
		timeday2 = (day & 0x0F)
		
		#get month
		month, month2 = bus.transaction(
			i2c.writing_bytes(rtc_address1, 0x07),
			i2c.reading(rtc_address1,2))[0]
		timemonth1 = ((month >> 4) & 0x01)
		timemonth2 = (month & 0x0F)
		
		#get year
		year, year2 = bus.transaction(
			i2c.writing_bytes(rtc_address1, 0x08),
			i2c.reading(rtc_address1,2))[0]
		timeyear1 = ((year >> 4))
		timeyear2 = (year & 0x0F)

		return str(timeday1) + str(timeday2) + "/" + str(timemonth1) + str(timemonth2) + "/" + str(timeyear1) + str(timeyear2)
开发者ID:abelectronicsuk，项目名称:AlarmPi，代码行数:25，代码来源:wakeup.py


示例4: readAlarmTime

	def readAlarmTime(month, year):

		#---------
		# minute
		#--------
		minute, minute2 = bus.transaction(      i2c.writing_bytes(rtc_address1, 0x09),
							i2c.reading(rtc_address1,2))[0]

		timeminute1 = ((minute >> 4) & 0x07)
		timeminute2 = (minute & 0x0F)

		#------
		# hour
		#------
		hour, hour2 = bus.transaction(	i2c.writing_bytes(rtc_address1, 0x0A),
						i2c.reading(rtc_address1,2))[0]

		timehour1 = ((hour >> 4) & 0x03)
		timehour2 = (hour & 0x0F)

		#------
		# Day
		#-----
		day, day2 = bus.transaction(	i2c.writing_bytes(rtc_address1, 0x0B),
						i2c.reading(rtc_address1,2))[0]

		timeday1 = ((day >> 4) & 0x05)
		timeday2 = (day & 0x0F)

		alminute        = int(str(timeminute1)+str(timeminute2))
		alhour          = int(str(timehour1)+str(timehour2))
		alday           = int(str(timeday1)+str(timeday2))
		weekday,dayname = weekDay(year,month,alday)

		return alminute, alhour, alday, weekday, dayname
开发者ID:argn，项目名称:AlarmPi，代码行数:35，代码来源:setalarm.py


示例5: set_IO_DIR

def set_IO_DIR(port_expand_addr, port, value):
	with q2w_i2c.I2CMaster() as bus:
		if port == 'A':			
			bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, IODIRA, value))
		elif port == 'B':
			bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, IODIRB, value))
开发者ID:TwitALU，项目名称:Twitalu，代码行数:8，代码来源:twitalu_I2C.py


示例6: write_data

def write_data(port_expand_addr, port, value):
	with q2w_i2c.I2CMaster() as bus:
		if port == 'A':			
			bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, GPIOA, value))
		elif port == 'B':
			bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, GPIOB, value))
开发者ID:TwitALU，项目名称:Twitalu，代码行数:8，代码来源:twitalu_I2C.py


示例7: readSensor

	def readSensor() :

		bus.transaction(i2c.writing_bytes(ADDR, 0x22, 0x20))
		time.sleep(0.05)
		readout = bus.transaction(i2c.writing_bytes(ADDR, 0xE0, 0x00), i2c.reading(ADDR, 6))
		time.sleep(1.0)

		return readout
开发者ID:rainerraul，项目名称:pi-weather，代码行数:8，代码来源:sht31.py


示例8: set_IO_PULL_UP

def set_IO_PULL_UP(port_expand_addr, port, value):
	with q2w_i2c.I2CMaster() as bus:
		if port == 'A':			
			bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, GPPUA, value))
		elif port == 'B':
			bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, GPPUB, value))
开发者ID:TwitALU，项目名称:Twitalu，代码行数:8，代码来源:twitalu_I2C.py


示例9: read_data

def read_data(port_expand_addr, port):
	with q2w_i2c.I2CMaster() as bus:
		if port == 'A':
			return bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, GPIOA),
			q2w_i2c.reading(port_expand_addr, 1))[0][0]
		elif port == 'B':
			return bus.transaction(
			q2w_i2c.writing_bytes(port_expand_addr, GPIOB),
			q2w_i2c.reading(port_expand_addr, 1))[0][0]
开发者ID:TwitALU，项目名称:Twitalu，代码行数:10，代码来源:twitalu_I2C.py


示例10: write_cgchar

 def write_cgchar(self, pos, data):
     cgaddr = pos & 0x07
     cgaddr = (cgaddr << 3) | 0x40
     time.sleep(0.1)
     self.bus.transaction(i2c.writing_bytes(self.address, 0x00, 0x38)) # Function Set, 8bit, 2lines, NoDoubleHeight, InstructionTable=0
     time.sleep(0.1)
     self.bus.transaction(i2c.writing_bytes(self.address, 0x00, cgaddr)) # select CGRAM address
     time.sleep(0.1)
     for datum in data:
         self.bus.transaction(i2c.writing_bytes(self.address, 0x40, datum)) # Write data, byte by byte (normally 8)
     self.bus.transaction(i2c.writing_bytes(self.address, 0x00, 0x80)) # return to DDRAM
开发者ID:mtedaldi，项目名称:PyFanControl，代码行数:11，代码来源:i2c_display.py


示例11: write

 def write(self, register, value):
   log.debug("Writing to address {0:#4X} register 0x{1:#4X} value {2:#10b}".format(self.ADDRESS, register, value))
   if self.TOGGLE_MODE:
     a = value & 0b11111111
     b = (value >> 8) & 0b11111111
     BUS.transaction(
       i2c.writing_bytes(self.ADDRESS, register, a, b),
     )
   else:
     BUS.transaction(
       i2c.writing_bytes(self.ADDRESS, register ,value),
     )
开发者ID:computerlyrik，项目名称:MCP23017-RPi-python，代码行数:12，代码来源:MCP23017.py


示例12: bank_mode

 def bank_mode(self, bank):
   self.BANK = bank
   log.info("Bank set to {0:d}".format(bank))
   #EVERYTHING else goes to zero - some magic to write bit on both settings
   if self.BANK == 1: #assume has been bank=0 before
     BUS.transaction( 
       i2c.writing_bytes(self.ADDRESS,0x15, IOCON['BANK']),
       i2c.writing_bytes(self.ADDRESS,0x0A, IOCON['BANK']))
   elif self.BANK == 0:
     BUS.transaction( 
       i2c.writing_bytes(self.ADDRESS,0x15, 0 ),
       i2c.writing_bytes(self.ADDRESS,0x0A, 0 ))
开发者ID:computerlyrik，项目名称:MCP23017-RPi-python，代码行数:12，代码来源:MCP23017.py


示例13: resetAlarm

	def resetAlarm():

		#-----------------------
		# Clear status register
		#-----------------------
		bus.transaction(i2c.writing_bytes(rtc_address1, 0x01, 0x00))

		#-----------------------
		# Clear alarm registers
		#-----------------------
		bus.transaction(i2c.writing_bytes(rtc_address1, 0x09, 0x00))
		bus.transaction(i2c.writing_bytes(rtc_address1, 0x0A, 0x00))
		bus.transaction(i2c.writing_bytes(rtc_address1, 0x0B, 0x00))
		bus.transaction(i2c.writing_bytes(rtc_address1, 0x0C, 0x00))
开发者ID:argn，项目名称:AlarmPi，代码行数:14，代码来源:setalarm.py


示例14: __readADC

 def __readADC(self):
     command = 0x00
     #Read D1
     self.bus.transaction(i2c.writing_bytes(self.address, 0x48))
     time.sleep(0.01)
     values = self.bus.transaction(i2c.writing_bytes(self.address, command), i2c.reading(self.address, 3))
     self.D[1] = (values[0][0] << 16) | (values[0][1] << 8) | (values[0][2])
     self.logger.debug("CMD(" + "{0:#04x}".format(command) + ") -> D1 = " + str(self.D[1])) 
     # Read D2
     self.bus.transaction(i2c.writing_bytes(self.address, 0x58))
     time.sleep(0.01)
     values = self.bus.transaction(i2c.writing_bytes(self.address, command), i2c.reading(self.address, 3))
     self.D[2] = (values[0][0] << 16) | (values[0][1] << 8) | (values[0][2])
     self.logger.debug("CMD(" + "{0:#04x}".format(command) + ") -> D2 = " + str(self.D[2]))
开发者ID:mrmarkgray，项目名称:haldane，代码行数:14，代码来源:sensor.py


示例15: getadcreading

	def getadcreading(address, channel, gain, res):
		channel = channel - 1
		adcConfig = MCP342X_START | MCP342X_CHANNEL_1 | MCP342X_CONTINUOUS
		adcConfig |= channel << 5 | res << 2 | gain
		#print("adcConfig")
		#print(adcConfig)
		
		varDivisior = 1 << (gain + 2*res)
		
		bus.transaction(i2c.writing_bytes(address, adcConfig))
		
		
		time.sleep(0.05)
		if (res ==3):
			h, m, l ,s = bus.transaction(i2c.reading(address,4))[0]
			time.sleep(0.05)
			h, m, l, s  = bus.transaction(i2c.reading(address,4))[0]
		

			t = ((h & 0b00000001) << 16) | (m << 8) | l
		else:
			h, m, l = bus.transaction(i2c.reading(address,3))[0]
			time.sleep(0.05)
			h, m, l  = bus.transaction(i2c.reading(address,3))[0]
			t = (h << 8) | m	
		if (h > 128):
			t = ~(0x020000 - t)

		# remove / 1000 to return value in milivolts
		return ((t/varDivisior) * 2.4705882) / 1000
开发者ID:sonite，项目名称:abelectronics，代码行数:30，代码来源:adcpiv2.py


示例16: get_resolutions

 def get_resolutions(self):
     user_reg = self.bus.transaction(
         i2c.writing_bytes(self.ADDR, self.CMD_READ_USER_REG),
         i2c.reading(self.ADDR, 1),
     )
     user_reg_int = int.from_bytes(user_reg[0], byteorder="big")
     return self.RESOLUTIONS[user_reg_int >> 6, user_reg_int & 0x1]
开发者ID:1self，项目名称:quick2wire-HTU21D，代码行数:7，代码来源:htu21d.py


示例17: getadcreading

def getadcreading(address, adcConfig, res):
    bus.transaction(i2c.writing_bytes(address, adcConfig))
    if res == 0:
        h, m, l, s = bus.transaction(i2c.reading(address, 4))[0]
        while s & 128:
            h, m, l, s = bus.transaction(i2c.reading(address, 4))[0]
        # shift bits to product result
        t = ((h & 0b00000001) << 16) | (m << 8) | l
        # check if positive or negative number and invert if needed
        if h > 128:
            t = ~(0x020000 - t)
        return t / 64000
    else:
        m, l, s = bus.transaction(i2c.reading(address, 3))[0]
        while s & 128:
            m, l, s = bus.transaction(i2c.reading(address, 3))[0]
        # shift bits to product result
        t = (m << 8) | l
        # check if positive or negative number and invert if needed
        if m > 128:
            t = ~(0x02000 - t)
        if res == 4:
            return t / 16000
        if res == 8:
            return t / 4000
        if res == 12:
            return t / 1000
开发者ID:richtoy，项目名称:RPi_Wobbulator，代码行数:27，代码来源:rpi_wobbulator.py


示例18: select_mifare

	def select_mifare(self):
		with I2CMaster() as master:
			# select mifare card
			# <len> <cmd> 
			master.transaction(writing_bytes(ADDRESS, 1, CMD_SELECT_MIFARE))
			time.sleep(WR_RD_DELAY)

			# read the response
			responses = master.transaction(reading(ADDRESS, 15))
			response = responses[0]
			# <len> <cmd> <status> <UUID> <type>
			len    = response[0]
			cmd    = response[1]
			status = response[2]

			if (status != 0x00):
				self.uid  = None
				self.type = None
				return False 

			# uid length varies on type, and type is after uuid
			uid       = response[3:len]
			type      = response[len]
			self.type = type
			self.uid  = uid
			return True
开发者ID:callanwhite，项目名称:pyRFID，代码行数:26，代码来源:rfid.py


示例19: read_card

    def read_card(self):
        logging.info("Fetching card id from %0X" % self.i2c_address)
        # Fetch the card ID by sending 1/1 to the SL030 card reader
        with i2c.I2CMaster() as bus:
            bus.transaction(
                i2c.writing_bytes(0x50, 0x1, 0x1))
            time.sleep(0.1)      # SL030 requires this time to respond reliably
            read_results = bus.transaction(
                i2c.reading(0x50, 10))

        returned_len = read_results[0][0]
        status = read_results[0][2]

        if returned_len == 0:
            logging.info("Error fetching from card reader")
            return(None)

        if status == 0x1:       # No Tag
            logging.info("No tag detected")
            return(None)
        else:
            # Format the read card ID as a hex string
            card_as_hex = []
            for x in range(3, returned_len):
                card_as_hex.append('{1:02x}'.format(x,
                        read_results[0][x]).upper())
            logging.debug("Card presented: " % card_as_hex)
            return(''.join(card_as_hex))
开发者ID:jorgmota，项目名称:raspberry-pi-access-control-system，代码行数:28，代码来源:strong_link_sl030_reader.py


示例20: __readPROM

 def __readPROM(self, address):
     #PROM read code
     command = 0xA0 + (address << 1)
     values = self.bus.transaction(i2c.writing_bytes(self.address, command), i2c.reading(self.address, 2))
     C = (values[0][0] << 8) | values[0][1]
     self.logger.debug("CMD(" + "{0:#04x}".format(command) + ") -> " + "C = " + str(C))
     return C
开发者ID:mrmarkgray，项目名称:haldane，代码行数:7，代码来源:sensor.py



注：本文中的quick2wire.i2c.writing_bytes函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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