util.h — Maple v0.0.11 Documentation

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# `util.h`

[Stub] support.

## Library Documentation

> Miscellaneous utility macros and procedures.

> Defines

> > BIT

> > BIT_MASK_SHIFT

> > GET_BITS

> >   Bits m to n of x.

> > IS_POWER_OF_TWO

> > DEBUG_NONE

> > DEBUG_FAULT

> > DEBUG_ALL

> > DEBUG_LEVEL

> > ASSERT

> > ASSERT_FAULT

> Functions

> > void __error(void )

> >   Disables all peripheral interrupts except USB and fades the error LED.

> > void _fail(const char * file, int line, const char * exp)

> >   Print an error message on a UART upon a failed assertion and throb the error LED, if there is one defined.

> >   Parameters:

> >   - `file` -

> >     Source file of failed assertion

> >   - `line` -

> >     Source line of failed assertion

> >   - `exp` -

> >     String representation of failed assertion

> >   Par: | Turns of all peripheral interrupts except USB.

> > void throb(void )

> >   Fades the error LED on and off.

> >   Par: | Sets output push-pull on ERROR_LED_PIN.

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