.TH "interrupt.h" 3 "24 Jun 2019" "Version 2.0.0" "avr-libc" \" -*- nroff -*-
.ad l
.nh
.SH NAME
interrupt.h \- 
.SH SYNOPSIS
.br
.PP
.SS "Defines"

.PP
.RI "\fBGlobal manipulation of the interrupt flag\fP"
.br
 The global interrupt flag is maintained in the I bit of the status register (SREG).
.PP
Handling interrupts frequently requires attention regarding atomic access to objects that could be altered by code running within an interrupt context, see <\fButil/atomic.h\fP>.
.PP
Frequently, interrupts are being disabled for periods of time in order to perform certain operations without being disturbed; see \fBProblems with reordering code\fP for things to be taken into account with respect to compiler optimizations. 
.PP
.in +1c
.in +1c
.ti -1c
.RI "#define \fBsei\fP()"
.br
.ti -1c
.RI "#define \fBcli\fP()"
.br
.in -1c
.in -1c
.PP
.RI "\fBMacros for writing interrupt handler functions\fP"
.br
 
.PP
.in +1c
.in +1c
.ti -1c
.RI "#define \fBISR\fP(vector, attributes)"
.br
.ti -1c
.RI "#define \fBSIGNAL\fP(vector)"
.br
.ti -1c
.RI "#define \fBEMPTY_INTERRUPT\fP(vector)"
.br
.ti -1c
.RI "#define \fBISR_ALIAS\fP(vector, target_vector)"
.br
.ti -1c
.RI "#define \fBreti\fP()"
.br
.ti -1c
.RI "#define \fBBADISR_vect\fP"
.br
.in -1c
.in -1c
.PP
.RI "\fBISR attributes\fP"
.br
 
.PP
.in +1c
.in +1c
.ti -1c
.RI "#define \fBISR_BLOCK\fP"
.br
.ti -1c
.RI "#define \fBISR_NOBLOCK\fP"
.br
.ti -1c
.RI "#define \fBISR_NAKED\fP"
.br
.ti -1c
.RI "#define \fBISR_ALIASOF\fP(target_vector)"
.br
.in -1c
.in -1c
.SH "Detailed Description"
.PP 
@{ 
.SH "Author"
.PP 
Generated automatically by Doxygen for avr-libc from the source code.