diff options
Diffstat (limited to 'fw/midi-dials/Src/curelib_src/curebuffer.c')
| -rw-r--r-- | fw/midi-dials/Src/curelib_src/curebuffer.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/fw/midi-dials/Src/curelib_src/curebuffer.c b/fw/midi-dials/Src/curelib_src/curebuffer.c deleted file mode 100644 index 3792914..0000000 --- a/fw/midi-dials/Src/curelib_src/curebuffer.c +++ /dev/null @@ -1,272 +0,0 @@ -/*
- *******************************************************************************
- * [curebuffer.c]
- * This module is for FIFO buffer.
- *
- * This program is under the terms of the GPLv3.
- * https://www.gnu.org/licenses/gpl-3.0.html
- *
- * Copyright(c) 2017 Keshikan (www.keshikan.net)
- *******************************************************************************
- */
-
-#include "curebuffer.h"
-#include <stdint.h>
-#include <stdlib.h>
-
-
-/////////////////////////////
-//methods for uint8_t FIFO.
-/////////////////////////////
-
-BUFFER_STATUS cureRingBufferU8Init(RingBufferU8 *rbuf, uint16_t buflen)
-{
-
- uint32_t i;
-
- cureRingBufferU8Free(rbuf);
-
- rbuf->buffer = (uint8_t *)malloc( buflen * sizeof(uint8_t) );
- if(NULL == rbuf->buffer){
- return BUFFER_FAILURE;
- }
- for(i=0; i<buflen; i++){
- rbuf->buffer[i] = 0;
- }
-
- rbuf->length = buflen;
-
- return BUFFER_SUCCESS;
-}
-
-BUFFER_STATUS cureRingBufferU8Free(RingBufferU8 *rbuf)
-{
- if(NULL != rbuf->buffer){
- free(rbuf->buffer);
- }
-
- rbuf->idx_front = rbuf->idx_rear = 0;
- rbuf->length = 0;
-
- return BUFFER_SUCCESS;
-}
-
-BUFFER_STATUS cureRingBufferU8Enqueue(RingBufferU8 *rbuf, uint8_t *inputc)
-{
- if( ((rbuf->idx_front +1)&(rbuf->length -1)) == rbuf->idx_rear ){//buffer overrun error occurs.
- return BUFFER_FAILURE;
- }else{
-
- rbuf->buffer[rbuf->idx_front]= *inputc;
- rbuf->idx_front++;
- rbuf->idx_front &= (rbuf->length -1);
- return BUFFER_SUCCESS;
- }
-}
-
-BUFFER_STATUS cureRingBufferU8Dequeue(RingBufferU8 *rbuf, uint8_t *ret)
-{
- if(rbuf->idx_front == rbuf->idx_rear){//if buffer underrun error occurs.
- return BUFFER_FAILURE;
- }else{
-
- *ret = (rbuf->buffer[rbuf->idx_rear]);
- rbuf->idx_rear++;
- rbuf->idx_rear &= (rbuf->length -1);
- return BUFFER_SUCCESS;
- }
-}
-
-//debug
-uint16_t _cureRingBufferU8GetUsedSize(RingBufferU8 *rbuf)
-{
- if(rbuf->idx_front >= rbuf->idx_rear){
- return rbuf->idx_front - rbuf->idx_rear;
- }else{
- return rbuf->idx_front + rbuf->length - rbuf->idx_rear;
- }
-
-}
-
-/////////////////////////////
-//methods for int16_t FIFO.
-/////////////////////////////
-
-BUFFER_STATUS cureRingBuffer16Init(RingBuffer16 *rbuf, uint16_t buflen)
-{
-
- uint32_t i;
-
- cureRingBuffer16Free(rbuf);
-
- rbuf->buffer = (int16_t *)malloc( buflen * sizeof(int16_t) );
- if(NULL == rbuf->buffer){
- return BUFFER_FAILURE;
- }
- for(i=0; i<buflen; i++){
- rbuf->buffer[i] = 0;
- }
- rbuf->length = buflen;
- return BUFFER_SUCCESS;
-}
-
-BUFFER_STATUS cureRingBuffer16Free(RingBuffer16 *rbuf)
-{
- if(NULL != rbuf->buffer){
- free(rbuf->buffer);
- }
-
- rbuf->idx_front = rbuf->idx_rear = 0;
- rbuf->length = 0;
-
- return BUFFER_SUCCESS;
-}
-
-BUFFER_STATUS cureRingBuffer16Enqueue(RingBuffer16 *rbuf, int16_t *inputc)
-{
- if( ((rbuf->idx_front +1)&(rbuf->length -1)) == rbuf->idx_rear ){//buffer overrun error occurs.
- return BUFFER_FAILURE;
- }else{
- rbuf->buffer[rbuf->idx_front]= *inputc;
- rbuf->idx_front++;
- rbuf->idx_front &= (rbuf->length -1);
- return BUFFER_SUCCESS;
- }
-}
-
-BUFFER_STATUS cureRingBuffer16EnqueueIgnoreErr(RingBuffer16 *rbuf, int16_t *inputc)
-{
-
- rbuf->buffer[rbuf->idx_front]= *inputc;
- rbuf->idx_front++;
- rbuf->idx_front &= (rbuf->length -1);
- return BUFFER_SUCCESS;
-
-}
-
-
-BUFFER_STATUS cureRingBuffer16Dequeue(RingBuffer16 *rbuf, int16_t *ret)
-{
- if(rbuf->idx_front == rbuf->idx_rear){//if buffer underrun error occurs.
- return BUFFER_FAILURE;
- }else{
- *ret = (rbuf->buffer[rbuf->idx_rear]);
- rbuf->idx_rear++;
- rbuf->idx_rear &= (rbuf->length -1);
- return BUFFER_SUCCESS;
- }
-}
-
-
-BUFFER_STATUS cureRingBuffer16GetElement(RingBuffer16 *rbuf, int16_t *ret, uint16_t delaynum, uint16_t delay_buffer_length)
-{
-
- if(rbuf->idx_front >= delaynum){
- rbuf->idx_rear = rbuf->idx_front - delaynum;
- }else{
- rbuf->idx_rear = delay_buffer_length - (delaynum - rbuf->idx_front);
- }
- *ret = (rbuf->buffer[rbuf->idx_rear]);
- return BUFFER_SUCCESS;
-
-}
-
-/////////////////////////////
-//methods for uint32_t FIFO.
-/////////////////////////////
-
-BUFFER_STATUS cureRingBufferU32Init(RingBuffer32 *rbuf, uint16_t buflen)
-{
-
- uint32_t i;
-
- cureRingBufferU32Free(rbuf);
-
- rbuf->buffer = (uint32_t *)malloc( buflen * sizeof(uint32_t) );
- if(NULL == rbuf->buffer){
- return BUFFER_FAILURE;
- }
- for(i=0; i<buflen; i++){
- rbuf->buffer[i] = 0;
- }
- rbuf->length = buflen;
- return BUFFER_SUCCESS;
-}
-
-BUFFER_STATUS cureRingBufferU32Free(RingBuffer32 *rbuf)
-{
- if(NULL != rbuf->buffer){
- free(rbuf->buffer);
- }
-
- rbuf->idx_front = rbuf->idx_rear = 0;
- rbuf->length = 0;
-
- return BUFFER_SUCCESS;
-}
-
-BUFFER_STATUS cureRingBufferU32Enqueue(RingBuffer32 *rbuf, uint32_t *inputc)
-{
- if( ((rbuf->idx_front +1)&(rbuf->length -1)) == rbuf->idx_rear ){//buffer overrun error occurs.
- return BUFFER_FAILURE;
- }else{
- rbuf->buffer[rbuf->idx_front]= *inputc;
- rbuf->idx_front++;
- rbuf->idx_front &= (rbuf->length -1);
- return BUFFER_SUCCESS;
- }
-}
-
-BUFFER_STATUS cureRingBufferU32EnqueueIgnoreErr(RingBuffer32 *rbuf, uint32_t *inputc)
-{
-
- rbuf->buffer[rbuf->idx_front]= *inputc;
- rbuf->idx_front++;
- rbuf->idx_front &= (rbuf->length -1);
- return BUFFER_SUCCESS;
-
-}
-
-
-BUFFER_STATUS cureRingBufferU32Dequeue(RingBuffer32 *rbuf, uint32_t *ret)
-{
- if(rbuf->idx_front == rbuf->idx_rear){//if buffer underrun error occurs.
- return BUFFER_FAILURE;
- }else{
- *ret = (rbuf->buffer[rbuf->idx_rear]);
- rbuf->idx_rear++;
- rbuf->idx_rear &= (rbuf->length -1);
- return BUFFER_SUCCESS;
- }
-}
-
-
-BUFFER_STATUS cureRingBufferU32GetElement(RingBuffer32 *rbuf, uint32_t *ret, uint16_t delaynum, uint16_t delay_buffer_length)
-{
- uint16_t buf;
-
-
- if(rbuf->idx_front >= delaynum){
- buf = rbuf->idx_front - delaynum;
- }else{
- buf = delay_buffer_length - (delaynum - rbuf->idx_front);
- }
- *ret = (rbuf->buffer[buf]);
- return BUFFER_SUCCESS;
-
-}
-
-
-//BUFFER_STATUS cureRingBufferU32GetElement(RingBuffer32 *rbuf, uint32_t *ret, uint16_t delaynum, uint16_t delay_buffer_length)
-//{
-//
-//
-// if(rbuf->idx_front >= delaynum){
-// rbuf->idx_rear = rbuf->idx_front - delaynum;
-// }else{
-// rbuf->idx_rear = delay_buffer_length - (delaynum - rbuf->idx_front);
-// }
-// *ret = (rbuf->buffer[rbuf->idx_rear]);
-// return BUFFER_SUCCESS;
-//
-//}
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