Module led

Interface for LEDs that abstract away polarity and pin.

Author: Philip Levis pal@cs.stanford.edu Date: July 31, 2015

Structs

• LedHigh
  For LEDs in which on is when GPIO is high.
• LedLow
  For LEDs in which on is when GPIO is low.

Traits

• Led
  Simple on/off interface for LED pins.