pin functions based on board depended defaults#278

Merged

soundanalogous merged 8 commits intofirmata:espfrom jnsbyr:esp

Apr 3, 2016

+26-19

Commits on Mar 13, 2016

Commits on Mar 18, 2016

most remaining absolte pin numbers/counts replaced by defines/constants from pins_arduino.h
jnsbyr
committed

Commits on Mar 20, 2016

config optimizations
jnsbyr
committed

Commits on Mar 29, 2016

fixed macro IS_PIN_INTERRUPT
jnsbyr
committed

Commits on Apr 3, 2016