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-rw-r--r--[-rwxr-xr-x]tmk_core/protocol/midi/bytequeue/bytequeue.c93
1 files changed, 45 insertions, 48 deletions
diff --git a/tmk_core/protocol/midi/bytequeue/bytequeue.c b/tmk_core/protocol/midi/bytequeue/bytequeue.c
index e43495632..e36a9e66b 100755..100644
--- a/tmk_core/protocol/midi/bytequeue/bytequeue.c
+++ b/tmk_core/protocol/midi/bytequeue/bytequeue.c
@@ -1,65 +1,62 @@
-//this is a single reader [maybe multiple writer?] byte queue
-//Copyright 2008 Alex Norman
-//writen by Alex Norman
+// this is a single reader [maybe multiple writer?] byte queue
+// Copyright 2008 Alex Norman
+// writen by Alex Norman
//
-//This file is part of avr-bytequeue.
+// 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
+// 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.
+// 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/>.
+// You should have received a copy of the GNU General Public License
+// along with avr-bytequeue. If not, see <http://www.gnu.org/licenses/>.
#include "bytequeue.h"
#include "interrupt_setting.h"
-void bytequeue_init(byteQueue_t * queue, uint8_t * dataArray, byteQueueIndex_t arrayLen){
- queue->length = arrayLen;
- queue->data = dataArray;
- queue->start = queue->end = 0;
+void bytequeue_init(byteQueue_t* queue, uint8_t* dataArray, byteQueueIndex_t arrayLen) {
+ queue->length = arrayLen;
+ queue->data = dataArray;
+ queue->start = queue->end = 0;
}
-bool bytequeue_enqueue(byteQueue_t * queue, uint8_t item){
- interrupt_setting_t setting = store_and_clear_interrupt();
- //full
- if(((queue->end + 1) % queue->length) == queue->start){
- restore_interrupt_setting(setting);
- return false;
- } else {
- queue->data[queue->end] = item;
- queue->end = (queue->end + 1) % queue->length;
- restore_interrupt_setting(setting);
- return true;
- }
+bool bytequeue_enqueue(byteQueue_t* queue, uint8_t item) {
+ interrupt_setting_t setting = store_and_clear_interrupt();
+ // full
+ if (((queue->end + 1) % queue->length) == queue->start) {
+ restore_interrupt_setting(setting);
+ return false;
+ } else {
+ queue->data[queue->end] = item;
+ queue->end = (queue->end + 1) % queue->length;
+ restore_interrupt_setting(setting);
+ return true;
+ }
}
-byteQueueIndex_t bytequeue_length(byteQueue_t * queue){
- byteQueueIndex_t len;
- interrupt_setting_t setting = store_and_clear_interrupt();
- if(queue->end >= queue->start)
- len = queue->end - queue->start;
- else
- len = (queue->length - queue->start) + queue->end;
- restore_interrupt_setting(setting);
- return len;
+byteQueueIndex_t bytequeue_length(byteQueue_t* queue) {
+ byteQueueIndex_t len;
+ interrupt_setting_t setting = store_and_clear_interrupt();
+ if (queue->end >= queue->start)
+ len = queue->end - queue->start;
+ else
+ len = (queue->length - queue->start) + queue->end;
+ restore_interrupt_setting(setting);
+ return len;
}
-//we don't need to avoid interrupts if there is only one reader
-uint8_t bytequeue_get(byteQueue_t * queue, byteQueueIndex_t index){
- return queue->data[(queue->start + index) % queue->length];
-}
+// we don't need to avoid interrupts if there is only one reader
+uint8_t bytequeue_get(byteQueue_t* queue, byteQueueIndex_t index) { return queue->data[(queue->start + index) % queue->length]; }
-//we just update the start index to remove elements
-void bytequeue_remove(byteQueue_t * queue, byteQueueIndex_t numToRemove){
- interrupt_setting_t setting = store_and_clear_interrupt();
- queue->start = (queue->start + numToRemove) % queue->length;
- restore_interrupt_setting(setting);
+// we just update the start index to remove elements
+void bytequeue_remove(byteQueue_t* queue, byteQueueIndex_t numToRemove) {
+ interrupt_setting_t setting = store_and_clear_interrupt();
+ queue->start = (queue->start + numToRemove) % queue->length;
+ restore_interrupt_setting(setting);
}
-