section 3avr · Library functions 📚

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#

__attribute__(3avr)✨
__AVR_LIBC_DATE_(3avr)<avr/version.h>: avr-libc version macros✨
__AVR_LIBC_DATE_STRING__(3avr)<avr/version.h>: avr-libc version macros✨
__AVR_LIBC_MAJOR__(3avr)<avr/version.h>: avr-libc version macros✨
__AVR_LIBC_MINOR__(3avr)<avr/version.h>: avr-libc version macros✨
__AVR_LIBC_REVISION__(3avr)<avr/version.h>: avr-libc version macros✨
__AVR_LIBC_VERSION__(3avr)<avr/version.h>: avr-libc version macros✨
__AVR_LIBC_VERSION_STRING__(3avr)<avr/version.h>: avr-libc version macros✨
__builtin_avr_cli(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_fmul(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_fmuls(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_fmulsu(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_sei(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_sleep(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_swap(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__builtin_avr_wdr(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
__compar_fn_t(3avr)<stdlib.h>: General utilities✨
__EEGET(3avr)<avr/eeprom.h>: EEPROM handling✨
__EEPUT(3avr)<avr/eeprom.h>: EEPROM handling✨
__HAS_DELAY_CYCLES(3avr)✨
__malloc_heap_end(3avr)<stdlib.h>: General utilities✨
__malloc_heap_start(3avr)<stdlib.h>: General utilities✨
__malloc_margin(3avr)<stdlib.h>: General utilities✨
_BV(3avr)<avr/sfr_defs.h>: Special function registers✨
_crc16_update(3avr)<util/crc16.h>: CRC Computations✨
_crc8_ccitt_update(3avr)<util/crc16.h>: CRC Computations✨
_crc_ccitt_update(3avr)<util/crc16.h>: CRC Computations✨
_crc_ibutton_update(3avr)<util/crc16.h>: CRC Computations✨
_crc_xmodem_update(3avr)<util/crc16.h>: CRC Computations✨
_delay_loop_1(3avr)<util/delay_basic.h>: Basic busy-wait delay loops✨
_delay_loop_2(3avr)<util/delay_basic.h>: Basic busy-wait delay loops✨
_delay_ms(3avr)<util/delay.h>: Convenience functions for busy-wait delay loops✨
_delay_us(3avr)<util/delay.h>: Convenience functions for busy-wait delay loops✨
_EEGET(3avr)<avr/eeprom.h>: EEPROM handling✨
_EEPUT(3avr)<avr/eeprom.h>: EEPROM handling✨
_FDEV_EOF(3avr)<stdio.h>: Standard IO facilities✨
_FDEV_ERR(3avr)<stdio.h>: Standard IO facilities✨
_FDEV_SETUP_READ(3avr)<stdio.h>: Standard IO facilities✨
_FDEV_SETUP_RW(3avr)<stdio.h>: Standard IO facilities✨
_FDEV_SETUP_WRITE(3avr)<stdio.h>: Standard IO facilities✨
_FFS(3avr)<string.h>: Strings✨
_MemoryBarrier(3avr)<avr/cpufunc.h>: Special AVR CPU functions✨
_MONTHS_(3avr)<time.h>: Time✨
_NOP(3avr)<avr/cpufunc.h>: Special AVR CPU functions✨
_PROTECTED_WRITE(3avr)<avr/io.h>: AVR device-specific IO definitions✨
_PROTECTED_WRITE_SPM(3avr)<avr/io.h>: AVR device-specific IO definitions✨
_WEEK_DAYS_(3avr)<time.h>: Time✨

A

abort(3avr)<stdlib.h>: General utilities✨
abs(3avr)<stdlib.h>: General utilities✨
acks(3avr)Acknowledgments This document tries to tie together the labors of a large group of people. Without these individuals' efforts, we wouldn't have a terrific, free set of tools to develop AVR projects…✨
acos(3avr)<math.h>: Mathematics✨
acosf(3avr)<math.h>: Mathematics✨
acosl(3avr)<math.h>: Mathematics✨
alloca(3avr)<alloca.h>: Allocate space in the stack✨
asctime(3avr)<time.h>: Time✨
asctime_r(3avr)<time.h>: Time✨
asin(3avr)<math.h>: Mathematics✨
asinf(3avr)<math.h>: Mathematics✨
asinl(3avr)<math.h>: Mathematics✨
asmdemo(3avr)Combining C and assembly source files✨
assembler(3avr)AVR-LibC and Assembler Programs • Introduction • Invoking the Compiler • Example Program • Assembler Directives • Sections • Symbols • Data and Alignment • Operand Modifiers✨
assert(3avr)<assert.h>: Diagnostics✨
assert.h(3avr)✨
atan(3avr)<math.h>: Mathematics✨
atan2(3avr)<math.h>: Mathematics✨
atan2f(3avr)<math.h>: Mathematics✨
atan2l(3avr)<math.h>: Mathematics✨
atanf(3avr)<math.h>: Mathematics✨
atanl(3avr)<math.h>: Mathematics✨
atexit(3avr)<stdlib.h>: General utilities✨
atof(3avr)<stdlib.h>: General utilities✨
atoff(3avr)<stdlib.h>: General utilities✨
atofl(3avr)<stdlib.h>: General utilities✨
atoi(3avr)<stdlib.h>: General utilities✨
atol(3avr)<stdlib.h>: General utilities✨
atomic.h(3avr)✨
ATOMIC_BLOCK(3avr)<util/atomic.h> Atomically and Non-Atomically Executed Code Blocks✨
ATOMIC_FORCEON(3avr)<util/atomic.h> Atomically and Non-Atomically Executed Code Blocks✨
ATOMIC_RESTORESTATE(3avr)<util/atomic.h> Atomically and Non-Atomically Executed Code Blocks✨
avr_assert(3avr)<assert.h>: Diagnostics✨
avr_boot(3avr)<avr/boot.h>: Bootloader Support Utilities✨
avr_builtins(3avr)<avr/builtins.h>: avr-gcc builtins documentation✨
avr_cpufunc(3avr)<avr/cpufunc.h>: Special AVR CPU functions✨
avr_eeprom(3avr)<avr/eeprom.h>: EEPROM handling✨
avr_errno(3avr)<errno.h>: System Errors✨
avr_fuse(3avr)<avr/fuse.h>: Fuse Support✨
avr_interrupts(3avr)<avr/interrupt.h>: Interrupts✨
avr_inttypes(3avr)<inttypes.h>: Integer Type conversions✨
avr_io(3avr)<avr/io.h>: AVR device-specific IO definitions✨
avr_lock(3avr)<avr/lock.h>: Lockbit Support✨
avr_math(3avr)<math.h>: Mathematics✨
avr_pgmspace(3avr)<avr/pgmspace.h>: Program Space Utilities✨
avr_power(3avr)<avr/power.h>: Power Reduction Management✨
avr_sfr(3avr)<avr/sfr_defs.h>: Special function registers✨
avr_sfr_notes(3avr)Additional notes from <avr/sfr_defs.h>✨
avr_signature(3avr)<avr/signature.h>: Signature Support✨
avr_sleep(3avr)<avr/sleep.h>: Power Management and Sleep Modes✨
avr_stdint(3avr)<stdint.h>: Standard Integer Types✨
avr_stdio(3avr)<stdio.h>: Standard IO facilities✨
avr_stdlib(3avr)<stdlib.h>: General utilities✨
avr_string(3avr)<string.h>: Strings✨
avr_time(3avr)<time.h>: Time✨
avr_version(3avr)<avr/version.h>: avr-libc version macros✨
avr_watchdog(3avr)<avr/wdt.h>: Watchdog timer handling✨

B

BADISR_vect(3avr)<avr/interrupt.h>: Interrupts✨
BAUD_TOL(3avr)<util/setbaud.h>: Helper macros for baud rate calculations✨
benchmarks(3avr)Benchmarks The results below can only give a rough estimate of the resources necessary for using certain library functions. There is a number of factors which can both increase or reduce the effort…✨
bit_is_clear(3avr)<avr/sfr_defs.h>: Special function registers✨
bit_is_set(3avr)<avr/sfr_defs.h>: Special function registers✨
boot.h(3avr)✨
boot_is_spm_interrupt(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_lock_bits_set(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_lock_bits_set_safe(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_lock_fuse_bits_get(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_page_erase(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_page_erase_safe(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_page_fill(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_page_fill_safe(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_page_write(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_page_write_safe(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_rww_busy(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_rww_enable(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_rww_enable_safe(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_signature_byte_get(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_spm_busy(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_spm_busy_wait(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_spm_interrupt_disable(3avr)<avr/boot.h>: Bootloader Support Utilities✨
boot_spm_interrupt_enable(3avr)<avr/boot.h>: Bootloader Support Utilities✨
BOOTLOADER_SECTION(3avr)<avr/boot.h>: Bootloader Support Utilities✨
bsearch(3avr)<stdlib.h>: General utilities✨
builtins.h(3avr)✨

C

calloc(3avr)<stdlib.h>: General utilities✨
cbi(3avr)<compat/deprecated.h>: Deprecated items✨
cbrt(3avr)<math.h>: Mathematics✨
cbrtf(3avr)<math.h>: Mathematics✨
cbrtl(3avr)<math.h>: Mathematics✨
ccp_write_io(3avr)<avr/cpufunc.h>: Special AVR CPU functions✨
ccp_write_spm(3avr)<avr/cpufunc.h>: Special AVR CPU functions✨
ceil(3avr)<math.h>: Mathematics✨
ceilf(3avr)<math.h>: Mathematics✨
ceill(3avr)<math.h>: Mathematics✨
clearerr(3avr)<stdio.h>: Standard IO facilities✨
cli(3avr)<avr/interrupt.h>: Interrupts✨
clock_prescale_get(3avr)<avr/power.h>: Power Reduction Management✨
clock_prescale_set(3avr)<avr/power.h>: Power Reduction Management✨
compat_ina90(3avr)<compat/ina90.h>: Compatibility with IAR EWB 3.x✨
copysign(3avr)<math.h>: Mathematics✨
copysignf(3avr)<math.h>: Mathematics✨
copysignl(3avr)<math.h>: Mathematics✨
cos(3avr)<math.h>: Mathematics✨
cosf(3avr)<math.h>: Mathematics✨
cosh(3avr)<math.h>: Mathematics✨
coshf(3avr)<math.h>: Mathematics✨
coshl(3avr)<math.h>: Mathematics✨
cosl(3avr)<math.h>: Mathematics✨
cpufunc.h(3avr)✨
crc16.h(3avr)✨
ctime(3avr)<time.h>: Time✨
ctime_r(3avr)<time.h>: Time✨
ctype(3avr)<ctype.h>: Character Operations✨
ctype.h(3avr)✨

D

day(3avr)✨
daylight_seconds(3avr)<time.h>: Time✨
delay.h(3avr)✨
delay_basic.h(3avr)✨
demo_project(3avr)A simple project✨
demos(3avr)Demo projects✨
deprecated(3avr)Deprecated List Global cbi (port, bit) Global enable_external_int (mask) Global inb (port) Global inp (port) Global INTERRUPT (signame) Global ISR_ALIAS (vector, target_vector) For new code, the use…✨
deprecated_items(3avr)<compat/deprecated.h>: Deprecated items✨
difftime(3avr)<time.h>: Time✨
div(3avr)<stdlib.h>: General utilities✨
div_t(3avr)✨
DTOSTR_ALWAYS_SIGN(3avr)<stdlib.h>: General utilities✨
DTOSTR_PLUS_SIGN(3avr)<stdlib.h>: General utilities✨
DTOSTR_UPPERCASE(3avr)<stdlib.h>: General utilities✨
dtostre(3avr)<stdlib.h>: General utilities✨
dtostrf(3avr)<stdlib.h>: General utilities✨

E

EDOM(3avr)<errno.h>: System Errors✨
EEMEM(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_busy_wait(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_is_ready(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_block(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_byte(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_double(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_dword(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_float(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_long_double(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_qword(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_read_word(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_block(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_byte(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_double(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_dword(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_float(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_long_double(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_qword(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_update_word(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_write_block(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_write_byte(3avr)<avr/eeprom.h>: EEPROM handling✨
eeprom_write_double(3avr)<avr/eeprom.h>: EEPROM handling✨