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Change Log

Sming 3.7.0

Here's the PR summary from the original repository. The 'pull-request' links are rendered during Sming documentation build.

Thu Sep 20 18:00:58 2018 :pull-request:`1438`
Initial commit, the FlashString class plus macros
Fri Oct 5 14:52:24 2018 :pull-request:`1459`
Add FSTR_TABLE() macro to define a FlashString* pointer. Very basic table support so we can use it for looking up HTTP status strings, etc.
Wed Oct 24 09:13:50 2018 :pull-request:`1502`
Add streaming support - Add FlashMemoryStream class - Add FlashTemplateStream class - Add IMPORT_FSTR macro to bind a file into firmware image as FlashString object - Demonstrate usage using HttpServer_ConfigNetwork sample application. Note behaviour is unchanged, but settings.html is statically linked rather than using SPIFFS.
Sat May 11 14:25:05 2019 :pull-request:`1690`

Mark const FlashString& references as PROGMEM. The compiler still stores a pointer to long address so it can use relative addressing modes, and it puts these in RAM unless you tell it not to.

Also added DEFINE_FSTR_LOCAL macro to allow correct use inside function definitions.

Thu May 30 14:49:06 2019 :pull-request:`1692`
Sming Host Emulator! The IMPORT_FSTR feature requires architecture-dependent compiler support, so a separate version was added to support WIN32. The standard version works as-is for Linux.
Tue Jun 4 07:43:29 2019 :pull-request:`1709`
Fix array bounds issue detected via GCC-8 on Host build (#1709)
Mon Jul 8 07:21:58 2019 :pull-request:`1757`
Bugfix: LOAD_FSTR() doesn't NUL-terminate buffered string (#1757)
Tue Jul 30 19:55:50 2019 :pull-request:`1786`
Revise IMPORT_FSTR macro so the name can itself be #defined (#1786)
Mon Oct 21 08:00:48 2019 :pull-request:`1899`
Add optional len parameter to Flashstring::isEqual(const char*)

Sming 4.0.0

Sat Nov 2 13:01:20 2019

Sming version 4.0.0 is due for release next week, and FlashString has proven to be a useful addition to the toolkit. Time for an upgrade.

Sming 4.0.1

FlashString has been expanded from a single file into its own Component library to:

  1. Improve support for tables and add associative mapping
  2. Ensure each class has its own header file
  3. Add methods so users don't need to muck about with memcpy_P, etc.
  4. Move some code out of the header into a separate .cpp source file
  5. Add proper documentation
  6. Make it easier to port to other frameworks (e.g. Arduino)
  7. Get it out of Wiring - doesn't really belong there and certainly don't want to clutter up that directory
  8. Improve maintainability
  9. Fix compatibility with ArduinoJson 6.13.0

Change summary:

  • Move FlashString into a separate Component
  • Add FlashString::read() and readFlash() methods
  • Revise internals to be more consistent with naming
  • Improve table handling using new Vector class
  • Add associative mapping support with Map class
  • Revise structures so it contains only the length, obtaining data position using pointer arithmetic. This fixes an error with GCC 8.2.0 which didn't like accessing zero-length arrays.
  • Use ObjectBase as the first element in a data structure to allow use of 'safe' static casting, handled using the as() method template
  • Documentation!