Qwiic_TCA9548A_Py

Python module for the SparkFun Qwiic Mux Breakout - 8 Channel (TCA9548A).

This package should be used in conjunction with the overall SparkFun qwiic Python Package. New to qwiic? Take a look at the entire SparkFun qwiic ecosystem.

Contents

• Supported Platforms
• Dependencies
• Installation
• Documentation
• Example Use

Supported Platforms

The qwiic TCA9548A Python package current supports the following platforms:

• Raspberry Pi

Dependencies

This package depends on the qwiic I2C driver: Qwiic_I2C_Py

Documentation

The SparkFun qwiic TCA9548A module documentation is hosted at ReadTheDocs

Installation

PyPi Installation

This repository is hosted on PyPi as the sparkfun-qwiic-tca9548a package. On systems that support PyPi installation via pip, this library is installed using the following commands

For all users (note: the user must have sudo privileges):

sudo pip install sparkfun-qwiic-tca9548a

For the current user:

pip install sparkfun-qwiic-tca9548a

Local Installation

To install, make sure the setuptools package is installed on the system.

Direct installation at the command line:

python setup.py install

To build a package for use with pip:

python setup.py sdist

A package file is built and placed in a subdirectory called dist. This package file can be installed using pip.

cd dist
pip install sparkfun_qwiic_tca9548a-<version>.tar.gz
  

Example Use

See the examples directory for more detailed use examples.

import qwiic_tca9548a
import time
import sys

def runExample():

	print("\nSparkFun TCA9548A Example 1\n")
	test = qwiic_tca9548a.QwiicTCA9548A()

	if test.is_connected() == False:
		print("The Qwiic TCA9548A device isn't connected to the system. Please check your connection", \
			file=sys.stderr)
		return

	try:
		test.list_channels()
		time.sleep(2)

		test.enable_channels([4,5])
		test.list_channels()
		time.sleep(2)

		test.disable_channels(5)
		test.list_channels()
		time.sleep(2)

	except Exception as e:
            print(e)