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GOPI Go Language Application Framework

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This repository contains an application framework for the Go language, which will allow you to develop applications which utilize a number of features of your computer. It's targetted at the Raspberry Pi presently. The following features are intended to be supported:

  • The GPIO, I2C and SPI interfaces
  • Font loading and rendering in bitmap and vector forms
  • Infrared transmission and receiving, for example for remote controls
  • Network microservices, announcement and discovery using mDNS and gRPC

It would also be great to support the following features in the future:

  • Image and video encoding/decoding, including utilizing hardware acceleration
  • GPU acceleration for 2D graphics
  • 3D graphics
  • Audio devices
  • Input devices like the mouse, keyboard and touchscreen
  • Display and display surfaces, bitmaps and vector graphics
  • Connected cameras
  • User interface widgets and layout
  • Building for Darwin (Macintosh) targets

Requirements

The tested requirements are currently:

  • Any Raspberry Pi (v2, v3, v4, Zero and Zero W have been tested)
  • Raspbian GNU/Linux 9 (other distributions may work, but not tested)
  • Go 1.13

In order to use the library, you'll need to have a working version of Go on your Raspberry Pi, which you can download. Then retrieve the library on your device, using:

go get github.com/djthorpe/gopi/v3

Some libraries will need to be installed for building, RPC and Media services. In order to satisfy these dependencies,

sudo apt install make protobuf-compiler libprotobuf-dev

Other dependencies will be satisfied when running the make command.

Getting Started

In order to get started, build some of the examples in the "cmd" folder. They can be built with the makefile.

  • make all will build the example commands into the build folder;
  • make test runs all tests for the pkg folder;
  • make debian will create .deb packages which can be distributed;
  • make clean removes build intermediate files.

Fuller documentation of the examples and developing your own code against this framework will be available in documentation.

License

Copyright 2016-2020 David Thorpe All Rights Reserved

Redistribution and use in source and binary forms, with or without modification, are permitted with some conditions.

This repository is released under the BSD License. Please see the file LICENSE.md for a copy of this license and for a list of the conditions for redistribution and use.


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