本文整理汇总了Python中PyMata.pymata.PyMata.i2c_get_read_data方法的典型用法代码示例。如果您正苦于以下问题:Python PyMata.i2c_get_read_data方法的具体用法?Python PyMata.i2c_get_read_data怎么用?Python PyMata.i2c_get_read_data使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyMata.pymata.PyMata
的用法示例。
在下文中一共展示了PyMata.i2c_get_read_data方法的4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,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: PyMata
# 需要导入模块: from PyMata.pymata import PyMata [as 别名]
# 或者: from PyMata.pymata.PyMata import i2c_get_read_data [as 别名]
import time
from PyMata.pymata import PyMata
addr = 0x48
# Initialize Arduino using port name
port = PyMata("/dev/cu.usbmodem621")
# Configure I2C pin
port.i2c_config(0, port.ANALOG, 4, 5)
# one shot read asking peripheral to send 2 bytes
port.i2c_read(addr, 0, 2, port.I2C_READ)
# Wait for peripheral to send the data
time.sleep(3)
# Read from the peripheral
data = port.i2c_get_read_data(addr)
# Obtain temperature from received data
TemperatureSum = (data[1] << 8 | data[2]) >> 4
celsius = TemperatureSum * 0.0625
print celsius
fahrenheit = (1.8 * celsius) + 32
print fahrenheit
firmata.close()
示例2: PyMata
# 需要导入模块: from PyMata.pymata import PyMata [as 别名]
# 或者: from PyMata.pymata.PyMata import i2c_get_read_data [as 别名]
# This code is supporting material for the book
# Python Programming for Arduino
# by Pratik Desai
# published by PACKT Publishing
import time
from PyMata.pymata import PyMata
#Initializing Arduino using PyFirmata constructor
port = PyMata("COM5")
#Configure I2C pin
port.i2c_config(0, port.ANALOG, 4, 5)
# One shot read asking peripheral to send 2 bytes
port.i2c_read(0x23, 0, 2, port.I2C_READ)
# Wait for peripheral to send the data
time.sleep(3)
# Read from the peripheral
data = port.i2c_get_read_data(0x23)
# Obtain lux values from received data
LuxSum = (data[1] << 8 | data[2]) >> 4
lux = LuxSum/1.2
print str(lux) + ' lux'
port.close()
示例3: PyMata
# 需要导入模块: from PyMata.pymata import PyMata [as 别名]
# 或者: from PyMata.pymata.PyMata import i2c_get_read_data [as 别名]
# The PyMata constructor will print status to the console and will return
# when PyMata is ready to accept commands or will exit if unsuccessful
firmata = PyMata("/dev/ttyACM0")
#configure the I2C pins. This code is for the UNO
firmata.i2c_config(0, firmata.ANALOG, 4, 5)
# read i2c device at address 0x48, with no register specified. Expect 2 bytes to be returned
# and the operation is a single shot read
firmata.i2c_read(0x48, 0, 2, firmata.I2C_READ)
# give the serial interface time to send a read, for the device to execute the read
# and to get things back across the interface
time.sleep(3)
# retrieve the data sent from device
data = firmata.i2c_get_read_data(0x48)
# do some calculations on the raw data returned
TemperatureSum = (data[1] << 8 | data[2]) >> 4
celsius = TemperatureSum * 0.0625
print celsius
fahrenheit = (1.8 * celsius) + 32
print fahrenheit
firmata.close()
示例4:
# 需要导入模块: from PyMata.pymata import PyMata [as 别名]
# 或者: from PyMata.pymata.PyMata import i2c_get_read_data [as 别名]
signal.signal(signal.SIGINT, signal_handler)
# configure firmata for i2c on an UNO
board.i2c_config(0, board.ANALOG, 4, 5)
# configure the I2C pins. This code is for the Leonardo
# board.i2c_config(0, board.DIGITAL, 3, 2)
# read i2c device at address 0x48, with no register specified. Expect 2 bytes to be returned
# and the operation is a single shot read
board.i2c_read(0x48, 0, 2, board.I2C_READ)
# give the serial interface time to send a read, for the device to execute the read
# and to get things back across the interface
time.sleep(3)
# retrieve the data sent from device
data = board.i2c_get_read_data(0x48)
# do some calculations on the raw data returned
TemperatureSum = (data[1] << 8 | data[2]) >> 4
celsius = TemperatureSum * 0.0625
print(celsius)
fahrenheit = (1.8 * celsius) + 32
print(fahrenheit)
board.close()