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