NullPointerException
undefined reference to `setup()'
error: 'Serial' was not declared in this scope
NullPointerException
undefined reference to `setup()'
void setup()
and void loop()
functions; they don't
have to do anything, but they have to be there. You can start with an example
program (such as Examples > Stubs > BareMinimum) to get the basic
structure. See also the language docs.
error: 'Serial' was not declared in this scope
No DFU capable USB device found
make clean
" when switching between FLASH and
RAM targets; make isn't smart enough to rebuild everything that needs to be
for the new target.
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Translations are welcomed; give us a ping to make sure we aren't in the process of revising or editing first.