The header file <inavr.h> defines a number of intrinsic functions of general use for the AVR processor. This file is written to be compatible, and in some cases an enhancement of, the corresponding file in version 3 of IAR's Embedded Workbench for AVR (EWAVR) product.
Status register manipulation functions | |
__bic_SR_register | Clear bits in status register |
__bis_SR_register | Set bits in status register |
__disable_interrupt | Ddisable interrupts |
__enable_interrupt | Enable interrupts |
__save_interrupt | Save interrupt enable flag state |
__restore_interrupt | Restore interrupt enable flag state |
Data manipulation | |
__swap_nibbles | Swap nibbles within a byte |
__swap_bytes | Swap bytes within a word |
Miscellaneous functions | |
__breakpoint | Insert a BREAK instruction into code |
__delay_cycles | Delay processor for a number of cycles |
__no_operation | Insert a NOP instruction into code |
__insert_opcode | Insert an instruction into code |
__sleep | Insert a SLEEP instruction into code |
__watchdog_reset | Insert a WDR instruction into code |