pass strings by const reference and use find_last_not_of (probonopd#779)

* pass std::strings by const reference

* use std::string::find_last_not_of

Initial implementation of system-level, i.e. all TG, MIDI control maps (

probonopd#704)

* Initial implementation of system-level, i.e. all TG, MIDI control maps

* Ensure msg only handled once by the first TG with a matching receiving MIDI channel.

* Optimise system CC handling esp when unrecognised CCs are received.

* Update in optimisation of System CC handling.

Update getsysex.sh (probonopd#602)

Counting Bank voices from 1, to make use of bank 000000_rom3a.syx, as banks are indexed from 1 probonopd#599

Co-authored-by: Gintaras Valatka <gintarukas@gmail.com>

Add Program/TG Select buttons and choice for Program Change to act on…

… Voices or Performances (probonopd#500)

* Initial implementation of Program Up/Down and Tone Generator Up/Down selection and short cuts as buttons and MIDI buttons.

* Add configuration option for Program Change to act on Voices within a TG or Performances.

* Added PC option to Performance menu.  Various bug fixes.  Allow menu updating if on Performance/Load display.  Swapped TG1 and TG3 in Performance 000008 so that TG1 is set to MIDI CH 1 in all Performances.

* Minor fixups in formatting and so on after review.

* Formatting fixups

* Changed config setting to match description in original manuals: Performance Select Channel.  Also now accepts 1-16 or Omni as values.

* Additional fix to ensure GPIO buttons are working correctly on Voices or Performances.

* Changed initialisation order for PerformanceSelectChannel to avoid asset problem on a Pi 4 and updated menu text to fit nicely on a HD44780 display.

Add call to set Serial options to prevent CR to CRLF conversion (prob…

…onopd#311)

Co-authored-by: probonopd <probonopd@users.noreply.github.com>

Fix for garbled device name in debug output, closes probonopd#265

Thanks @dcoredump

Next try for ReverbMixer and NEON extensions (RPi2/3/4) (probonopd#86)

* Signal chain is now float32_t with much more support of CMSIS5.

* Fixes for float signal path.

* Several fixes for float signal path.

* Manual merge of changes from upstream.

* Fixes for wrong panning calculation.

* Added code for master compressor.
Added code for mixer.
Added HAVE_NEON to MAkefile for enabling more optimizations on Synth_Dexed.

* Adding mixer class - but it has some linking problems...

* Fast fix.

* Next fast fix.

* Fixing effect_mixer.

* Added ReverbSend Parameter for each TG.

* Fixes for ReverbSend and Pan.

* Fixing constrain().

* Fix aarch64 build, thanks @rsta2

probonopd#85 (comment)

* Fix for building for RPi1.

* Add TGParameterReverbSend

probonopd#86 (comment)
Thanks @rsta2

* Add TGParameterReverbSend

probonopd#86 (comment)
Thanks @rsta2

* Implement changes suggested by @rsta2

Description:
probonopd#86 (comment)

Thanks @rsta2

Co-authored-by: Holger Wirtz <wirtz@parasitstudio.de>
Co-authored-by: probonopd <probonopd@users.noreply.github.com>

Added support for CMSIS_5, so upstream Synth_Dexed can be used (probo…

…nopd#41)

* Fixes for using standard Synth_Dexed.
Added support for CMSIS.

* Fix for branch of Synth_Dexed

* Submodules for Synth_Dexed and CMSIS_5 added.

Co-authored-by: Holger Wirtz <wirtz@parasitstudio.de>

Fix previous commit