AVR Input/Output expansion
==========================

Parts
-----
Whole library consists from set of parts. You can use any part directly or
only trough other part. Every part can be enabled or disabled.

| Parts                         | Header   | Description                                            |
|-------------------------------|----------|--------------------------------------------------------|
| [IO Ports](parts/ioport.md) | ioport.h | Simple input/output port access                        |
| [SPI](parts/spi.md)         | spi.h    | Serial peripheral interface                            |
| [USART](parts/usart.md)     | usart.h  | Universal synchronous/asynchronous receive/transmitter |