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avr_functions.h
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avr_functions.h
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/* Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2013 PJRC.COM, LLC.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* 1. The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 2. If the Software is incorporated into a build system that allows
* selection among a list of target devices, then similar target
* devices manufactured by PJRC.COM must be included in the list of
* target devices and selectable in the same manner.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _avr_functions_h_
#define _avr_functions_h_
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif
void eeprom_initialize(void);
uint8_t eeprom_read_byte(const uint8_t *addr) __attribute__ ((pure));
uint16_t eeprom_read_word(const uint16_t *addr) __attribute__ ((pure));
uint32_t eeprom_read_dword(const uint32_t *addr) __attribute__ ((pure));
float eeprom_read_float(const float *addr) __attribute__ ((pure));
void eeprom_read_block(void *buf, const void *addr, uint32_t len); // TODO: implement
void eeprom_write_byte(uint8_t *addr, uint8_t value);
void eeprom_write_word(uint16_t *addr, uint16_t value);
void eeprom_write_dword(uint32_t *addr, uint32_t value);
void eeprom_write_float(float *addr, float value); // TODO: inline call
void eeprom_write_block(const void *buf, void *addr, uint32_t len); // TODO: implement
void eeprom_update_byte(uint8_t *addrp, uint8_t value); // TODO: inline call
void eeprom_update_word(uint16_t *addrp, uint16_t value); // TODO: inline call
void eeprom_update_dword(uint32_t *addrp, uint32_t value); // TODO: inline call
void eeprom_update_float(float *addr, float __value); // TODO: inline call
void eeprom_update_block(const void *buf, void *addr, uint32_t len); // TODO: inline call
char * ultoa(unsigned long val, char *buf, int radix);
char * ltoa(long val, char *buf, int radix);
static inline char * utoa(unsigned int val, char *buf, int radix) __attribute__((always_inline, unused));
static inline char * utoa(unsigned int val, char *buf, int radix) { return ultoa(val, buf, radix); }
static inline char * itoa(int val, char *buf, int radix) __attribute__((always_inline, unused));
static inline char * itoa(int val, char *buf, int radix) { return ltoa(val, buf, radix); }
char * dtostrf(float val, int width, unsigned int precision, char *buf);
#ifdef __cplusplus
}
#endif
#endif