From fb4fe52c0a5be527e6c9bfa006a5fb3ea79b4b0e Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Thu, 20 Aug 2015 00:42:28 -0400 Subject: midi --- protocol/lufa/midi/bytequeue/interrupt_setting.c | 36 ++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100755 protocol/lufa/midi/bytequeue/interrupt_setting.c (limited to 'protocol/lufa/midi/bytequeue/interrupt_setting.c') diff --git a/protocol/lufa/midi/bytequeue/interrupt_setting.c b/protocol/lufa/midi/bytequeue/interrupt_setting.c new file mode 100755 index 0000000000..eafef527c0 --- /dev/null +++ b/protocol/lufa/midi/bytequeue/interrupt_setting.c @@ -0,0 +1,36 @@ +//Copyright 20010 Alex Norman +//writen by Alex Norman +// +//This file is part of avr-bytequeue. +// +//avr-bytequeue is free software: you can redistribute it and/or modify +//it under the terms of the GNU General Public License as published by +//the Free Software Foundation, either version 3 of the License, or +//(at your option) any later version. +// +//avr-bytequeue is distributed in the hope that it will be useful, +//but WITHOUT ANY WARRANTY; without even the implied warranty of +//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +//GNU General Public License for more details. +// +//You should have received a copy of the GNU General Public License +//along with avr-bytequeue. If not, see . + + +//AVR specific code +//should be able to port to other systems by simply providing chip specific +//implementations of the typedef and these functions + +#include "interrupt_setting.h" +#include + +interrupt_setting_t store_and_clear_interrupt(void) { + uint8_t sreg = SREG; + cli(); + return sreg; +} + +void restore_interrupt_setting(interrupt_setting_t setting) { + SREG = setting; +} + -- cgit v1.2.3