Commonly used includes, types and macros. Mehr ...

#include <avr/io.h>
#include <avr/builtins.h>
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <util/delay.h>
#include <pmic.h>
#include <avr/pgmspace.h>

Include-Abhängigkeitsdiagramm für compiler.h:

Dieser Graph zeigt, welche Datei direkt oder indirekt diese Datei enthält:

gehe zum Quellcode dieser Datei

Makrodefinitionen
#define	__always_inline inline __attribute__((__always_inline__))
	The function should always be inlined. Mehr ...

#define	Assert(expr) ((void) 0)
	This macro is used to test fatal errors. Mehr ...

#define	barrier() asm volatile("" ::: "memory")
	Memory barrier.

#define	delay_ms(t) _delay_ms(t)

#define	delay_s(t) _delay_ms( t * 1000 )

#define	delay_us(t) _delay_us(t)

#define	nop() do { __asm__ __volatile__ ("nop"); } while (0)

Convenience macros for part checking
#define	AVR8_PART_IS_DEFINED(part) (defined(__ ## part ## __) \|\| defined(__AVR_ ## part ## __))

AVR XMEGA AU series
#define	XMEGA_A3U

#define	XMEGA_A3BU

AVR XMEGA families
#define	XMEGA_AU (XMEGA_A1U \|\| XMEGA_A3U \|\| XMEGA_A3BU \|\| XMEGA_A4U)

#define	XMEGA (XMEGA_A \|\| XMEGA_AU \|\| XMEGA_B \|\| XMEGA_C \|\| XMEGA_D \|\| XMEGA_E)

Usual Constants
#define	DISABLE 0

#define	ENABLE 1

#define	false 0

#define	true 1

#define	PASS 0

#define	FAIL 1

#define	LOW 0

#define	HIGH 1

Optimisation Control
#define	__always_optimize __attribute__((optimize(3)))
	The function should always be optimized. Mehr ...

Mathematics
Compiler optimization for non-constant expressions, only for abs under WinAVR
#define	Abs(a) (((a) < 0 ) ? -(a) : (a))
	Takes the absolute value of a. Mehr ...

#define	Min(a, b) (((a) < (b)) ? (a) : (b))
	Takes the minimal value of a and b. Mehr ...

#define	min(a, b) Min(a, b)

#define	Max(a, b) (((a) > (b)) ? (a) : (b))
	Takes the maximal value of a and b. Mehr ...

#define	max(a, b) Max(a, b)

MCU Endianism Handling
xmega is a MCU little endianism.
#define	MSB(u16) (((uint8_t* )&u16)[1])

#define	LSB(u16) (((uint8_t* )&u16)[0])

#define	Swap16(u16) ((uint16_t)(((uint16_t)(u16) >> 8) \| ((uint16_t)(u16) << 8)))
	Toggles the endianism of u16 (by swapping its bytes). Mehr ...

Program memory
Macros for locating and accessing data in program memory.
#define	PROGMEM_LOCATION(type, name, loc) type name __attribute__((section (#loc)))

#define	PROGMEM_DECLARE(type, name) const type name __attribute__((__progmem__))

#define	PROGMEM_STRING(x) PSTR(x)

#define	PROGMEM_STRING_T PGM_P

#define	PROGMEM_T const

#define	PROGMEM_PTR_T const *

#define	PROGMEM_BYTE_ARRAY_T uint8_t*

#define	PROGMEM_WORD_ARRAY_T uint16_t*

#define	PROGMEM_READ_BYTE(x) pgm_read_byte(x)

#define	PROGMEM_READ_WORD(x) pgm_read_word(x)

Ausführliche Beschreibung

Commonly used includes, types and macros.

Definiert in Datei compiler.h.


	by Hanna

Makrodefinitionen

Ausführliche Beschreibung