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

Side Effects::

Turns of all peripheral interrupts except USB.

void throb(void)

Fades the error LED on and off.

Side Effects::Sets output push-pull on ERROR_LED_PIN.