diff options
Diffstat (limited to 'quantum/midi/bytequeue/interrupt_setting.c')
| -rw-r--r-- | quantum/midi/bytequeue/interrupt_setting.c | 47 | 
1 files changed, 47 insertions, 0 deletions
| diff --git a/quantum/midi/bytequeue/interrupt_setting.c b/quantum/midi/bytequeue/interrupt_setting.c new file mode 100644 index 0000000000..d9c0035946 --- /dev/null +++ b/quantum/midi/bytequeue/interrupt_setting.c @@ -0,0 +1,47 @@ +// 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 <http://www.gnu.org/licenses/>. + +// 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" +#if defined(__AVR__) +#    include <avr/interrupt.h> + +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; +} +#elif defined(__arm__) +#    include <ch.h> + +interrupt_setting_t store_and_clear_interrupt(void) { +    chSysLock(); +    return 0; +} + +void restore_interrupt_setting(interrupt_setting_t setting) { +    chSysUnlock(); +} +#endif | 
