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author | Jack Humbert <jack.humb@gmail.com> | 2015-10-27 17:42:30 +0100 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2015-10-27 17:42:30 +0100 |
commit | 547da78335298df6666200c6063ac6f1aba312fd (patch) | |
tree | 47df0252ee24b1ecc27b9dd0458c51f20bf088c3 /tmk_core/protocol/lufa/midi/bytequeue/bytequeue.h | |
parent | a766918d5c48204375f4c207b30bbbf1389df14f (diff) | |
parent | fa33719adab1393753312d298b8c365e04e844b9 (diff) | |
download | qmk_firmware-547da78335298df6666200c6063ac6f1aba312fd.tar.gz qmk_firmware-547da78335298df6666200c6063ac6f1aba312fd.tar.xz |
merging tmk
Diffstat (limited to 'tmk_core/protocol/lufa/midi/bytequeue/bytequeue.h')
-rwxr-xr-x | tmk_core/protocol/lufa/midi/bytequeue/bytequeue.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tmk_core/protocol/lufa/midi/bytequeue/bytequeue.h b/tmk_core/protocol/lufa/midi/bytequeue/bytequeue.h new file mode 100755 index 000000000..e4a286134 --- /dev/null +++ b/tmk_core/protocol/lufa/midi/bytequeue/bytequeue.h @@ -0,0 +1,59 @@ +//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. +// +//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/>. + +#ifndef BYTEQUEUE_H +#define BYTEQUEUE_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <inttypes.h> +#include <stdbool.h> + +typedef uint8_t byteQueueIndex_t; + +typedef struct { + byteQueueIndex_t start; + byteQueueIndex_t end; + byteQueueIndex_t length; + uint8_t * data; +} byteQueue_t; + +//you must have a queue, an array of data which the queue will use, and the length of that array +void bytequeue_init(byteQueue_t * queue, uint8_t * dataArray, byteQueueIndex_t arrayLen); + +//add an item to the queue, returns false if the queue is full +bool bytequeue_enqueue(byteQueue_t * queue, uint8_t item); + +//get the length of the queue +byteQueueIndex_t bytequeue_length(byteQueue_t * queue); + +//this grabs data at the index given [starting at queue->start] +uint8_t bytequeue_get(byteQueue_t * queue, byteQueueIndex_t index); + +//update the index in the queue to reflect data that has been dealt with +void bytequeue_remove(byteQueue_t * queue, byteQueueIndex_t numToRemove); + +#ifdef __cplusplus +} +#endif + +#endif + |