Changes from V2.x to V3.0

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There are many major changes from uGFX V2.x to V3.0. While we have tried to maintain compatibility for most uGFX V2 applications there are some areas that will require re-writing.


Major Changes

  • The configuration option GFX_COMPAT_V2 is now defined that allows most V2.x code to compile unchanged. It is turned on by default.
  • The single-file-make build mechanism now works with all uGFX features.
  • Many types and constants have been renamed to prevent conflicts with other library, operating systems or other code.
  • The GDISP API has been significantly changed.
  • Multiple display support now works very differently.
  • All drivers are now included using configuration options rather than by linking.
  • All uGFX drivers now use a new internal API and have been rewritten.
  • Many hardware interface details that needed to be written explicitly into every driver board file are now handled by a new GBUS module.
  • There are new triginomic functions that are significantly faster and more accurate than the old functions in GMISC.

Compatibility

Single-File-Make

Type and Constant Changes

The New GDISP API

Multiple Display Support

Adding Drivers To Your Build

New Driver Format

The New GBUS Module

New Trig Functions

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