Atmel part identification macros

This collection of macros identify which series and families that the various Atmel parts belong to.

These can be used to select part-dependent sections of code at compile time.

Modules
	AVR UC3 parts
	AVR XMEGA parts
	megaAVR parts
	SAM parts

Convenience macros for part checking
#define	AVR8_PART_IS_DEFINED(part)   (defined(__ ## part ## __) || defined(__AVR_ ## part ## __))
#define	AVR32_PART_IS_DEFINED(part)   (defined(__AT32 ## part ## __) || defined(__AVR32_ ## part ## __))
#define	SAM_PART_IS_DEFINED(part)   (defined(__ ## part ## __))

#define AVR32_PART_IS_DEFINED

(

part

)

(defined(__AT32 ## part ## __) || defined(__AVR32_ ## part ## __))

#define AVR8_PART_IS_DEFINED

(

part

)

(defined(__ ## part ## __) || defined(__AVR_ ## part ## __))

#define SAM_PART_IS_DEFINED

(

part

)

(defined(__ ## part ## __))