avr_eeprom(3avr) | avr-libc | avr_eeprom(3avr) |
avr_eeprom - <avr/eeprom.h>: EEPROM handling
#define EEMEM __attribute__((section('.eeprom')))
#define eeprom_is_ready()
#define eeprom_busy_wait() do {} while (!eeprom_is_ready())
uint8_t eeprom_read_byte (const uint8_t *__p)
__ATTR_PURE__
uint16_t eeprom_read_word (const uint16_t *__p)
__ATTR_PURE__
uint32_t eeprom_read_dword (const uint32_t *__p)
__ATTR_PURE__
float eeprom_read_float (const float *__p) __ATTR_PURE__
void eeprom_read_block (void *__dst, const void *__src, size_t __n)
void eeprom_write_byte (uint8_t *__p, uint8_t __value)
void eeprom_write_word (uint16_t *__p, uint16_t __value)
void eeprom_write_dword (uint32_t *__p, uint32_t __value)
void eeprom_write_float (float *__p, float __value)
void eeprom_write_block (const void *__src, void *__dst, size_t __n)
void eeprom_update_byte (uint8_t *__p, uint8_t __value)
void eeprom_update_word (uint16_t *__p, uint16_t __value)
void eeprom_update_dword (uint32_t *__p, uint32_t
__value)
void eeprom_update_float (float *__p, float __value)
void eeprom_update_block (const void *__src, void *__dst, size_t __n)
#define _EEPUT(addr, val) eeprom_write_byte
((uint8_t *)(addr), (uint8_t)(val))
#define __EEPUT(addr, val) eeprom_write_byte ((uint8_t
*)(addr), (uint8_t)(val))
#define _EEGET(var, addr) (var) = eeprom_read_byte ((const
uint8_t *)(addr))
#define __EEGET(var, addr) (var) = eeprom_read_byte ((const
uint8_t *)(addr))
#include <avr/eeprom.h>
This header file declares the interface to some simple library routines suitable for handling the data EEPROM contained in the AVR microcontrollers. The implementation uses a simple polled mode interface. Applications that require interrupt-controlled EEPROM access to ensure that no time will be wasted in spinloops will have to deploy their own implementation.
Notes:
Read a byte from EEPROM. Compatibility define for IAR C.
Write a byte to EEPROM. Compatibility define for IAR C.
Read a byte from EEPROM. Compatibility define for IAR C.
Write a byte to EEPROM. Compatibility define for IAR C.
Attribute expression causing a variable to be allocated within the .eeprom section.
Loops until the eeprom is no longer busy.
Returns
Returns
Read a block of __n bytes from EEPROM address __src to SRAM __dst.
Read one byte from EEPROM address __p.
Read one 32-bit double word (little endian) from EEPROM address __p.
Read one float value (little endian) from EEPROM address __p.
Read one 16-bit word (little endian) from EEPROM address __p.
Update a block of __n bytes to EEPROM address __dst from __src.
Note
Update a byte __value to EEPROM address __p.
Update a 32-bit double word __value to EEPROM address __p.
Update a float __value to EEPROM address __p.
Update a word __value to EEPROM address __p.
Write a block of __n bytes to EEPROM address __dst from __src.
Note
Write a byte __value to EEPROM address __p.
Write a 32-bit double word __value to EEPROM address __p.
Write a float __value to EEPROM address __p.
Write a word __value to EEPROM address __p.
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Fri Jan 1 2021 | Version 2.0.0 |