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User overridable setup, loop and main through __attribute__ ((weak)) #1139

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User overridable setup, loop and main through __attribute__ ((weak)) #1139

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cipriancraciun
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Following the same pattern as in the case of serialEvent, I've done the following:

  • provide an empty implementation of the setup and loop functions;
  • mark all three functions (setup, loop and main) as __attribute__ ((weak))
    so that the user is able to override them with customized versions;

See issue #1138

…eak))`

Following the same pattern as in the case of `serialEvent`, I've done the following:
 * provide an empty implementation of the `setup` and `loop` functions;
 * mark all three functions (`setup`, `loop` and `main`) as `__attribute__ ((weak))`
  so that the user is able to override them with customized versions;

See issue #1138
@cipriancraciun
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I've made a different patch that doesn't give default implementation to the setup and loop functions.

(See pull request #1141.)

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