resources/libtiny/Wire.cpp
// must be called in:
// slave rx event callback
// or after requestFrom(address, numBytes)
must be called in:
slave rx event callback
or after requestFrom(address, numBytes)
must be called in : slave rx event callback or after requestFrom ( address numBytes )
int TwoWire::available(void) {
  int value = -1;
    value = softWire.available();
  return value;
}
int TwoWire :: available ( void ) { int value = -1 ; value = softWire . available ( ) ; return value ; }
must be called in:
slave rx event callback
or after requestFrom(address, numBytes)
must be called in : slave rx event callback or after requestFrom ( address numBytes )