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Example code of volantus/mcp3008

Informations about the package mcp3008

MCP3008 PHP library

Latest Stable Version Build status

PHP library for reading values from the A/D converter MCP3008

Dependencies

The library requires one of the following dependencies to be installed:

Installation

The library may be installed using Composer:

Usage

All measurements are done through the Reader class.

The constructor requires an SpiInterface object and the ADC reference voltage, which is 3.3 per default on Raspberry.

Using Pigpio daemon (socket)

If you want to use the native SPI channels (recommended), you may use the RegularSpiDevice:

If you want to use any other GPIO Pins instead, please use the BitBaningSpiDevice:

Using direct communication via berry-spi extension:

If you want to use the native SPI channels (recommended), you may use the RegularInterface:

If you want to use any other GPIO Pins instead, please use the BitBangingInterface:

Reading values

Reading values is done by channel and value is returned as Measurement object:

SPI Opening/Closing behaviour

Per default the reader opens the SPI interface in the constructor and closes it in the destructor. But only if needed, so you are free to control it by yourself:

Contribution

Contribution in form of bug reports, suggestions or pull requests is highly welcome!

All versions of mcp3008 with dependencies

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Requires php Version ^7.0
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