OVMS3-idf/examples/09_a2dp/components/Misc/Storage.c
wangmengyang 0ad3017df7 component/bt: A2DP code original in example project moved to component/bt directory;
1. move btif and A2DP source code from project directory to bluetooth directory;
2. some updates of audio source code;
2016-12-26 17:40:28 +08:00

321 lines
8.2 KiB
C

/*
* ESPRSSIF MIT License
*
* Copyright (c) 2015 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
*
* Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "audio_log.h"
#include "EspAudioCom.h"
#include "Storage.h"
#include "Utility.h"
#include "string.h"
#include "psramApi.h"
static char *audioBuf;
static char *audioBufWrPos;
static char *audioBufRdPos;
mutex_t audioBufMutex;
#ifdef AUDIO_BUFFER_ADDR
#define ISMALLOC 0
#else
#define ISMALLOC 1
#endif
uint32_t rdpos,wrpos;
static QueueHandle_t queWrQuit;
static QueueHandle_t queRdQuit;
/**
* @brief Initialize buffer
*
*/
int audioBufInit()
{
int ret = 0;
#if (ISMALLOC == 1)
audioBuf = malloc(AUDIO_BUFFER_SIZE);
if (NULL == audioBuf) {
LOGE("malloc is failed.");
}
LOGD("Audio buffer malloc is ok,%x.", audioBuf);
#else
audioBuf = (char*)AUDIO_BUFFER_ADDR;
LOGD("Audio buffer address is%x, size %d bytes.", audioBuf,AUDIO_BUFFER_SIZE);
#endif
if (NULL == audioBuf) {
LOGE("[audioBufInit]malloc failed!\r\n");
ret = -1;
}
audioBufRdPos = audioBuf;
audioBufWrPos = audioBuf;
mutex_init(&audioBufMutex);
rdpos = 0;
wrpos = 0;
LOGI("[%08x]%s++++%d\r\n", (uint32_t)audioBufMutex, __func__, __LINE__);
return ret;
}
/**
* @brief Uninitialize buffer
*
*/
void audioBufUninit()
{
configASSERT(audioBufMutex);
mutex_lock(&audioBufMutex);
audioBufRdPos = NULL;
audioBufWrPos = NULL;
if (audioBuf) {
#if (ISMALLOC == 1)
free(audioBuf);
#endif
audioBuf = NULL;
}
mutex_unlock(&audioBufMutex);
}
/**
* @brief Retrieves the size of the specified buffer, in bytes.
*
*/
void audioBufRdQuitCfg(void * que)
{
configASSERT(que);
mutex_lock(&audioBufMutex);
LOGD("que=%p",que);
queRdQuit = (QueueHandle_t)que;
mutex_unlock(&audioBufMutex);
}
/**
* @brief Retrieves the size of the specified buffer, in bytes.
*
*/
void audioBufWrQuitCfg(void * que)
{
configASSERT(que);
mutex_lock(&audioBufMutex);
LOGD("que=%p",que);
queWrQuit = (QueueHandle_t)que;
mutex_unlock(&audioBufMutex);
}
/**
* @brief Retrieves the size of the specified buffer, in bytes.
*
*/
int audioBufFillGet()
{
configASSERT(audioBufMutex);
mutex_lock(&audioBufMutex);
int fill = audioBufWrPos - audioBufRdPos;
if (fill < 0) {
fill += AUDIO_BUFFER_SIZE;
}
mutex_unlock(&audioBufMutex);
return fill;
}
/**
* @brief Reads data from the specified buffer.
*
*/
int audioBufRead(char *dest, int n, uint32_t t)
{
configASSERT(audioBufMutex);
int ret = 0;
char *outDest = dest;
if (NULL == outDest) {
LOGE(">>>>> audioBufRead dest is NULL\r\n");
return -1;
}
retryR:
ret = audioBufFillGet();
if (ret < n) {
int flag = 0;
LOGD("Waiting readable semaphore,wanted[%d] fill[%d] timeout[%d]",n, ret, t);
if (xQueueReceive(queRdQuit, &flag, t)) {
LOGE("receive a read quit queue\r\n");
return 0;
}
else {
goto retryR;
}
}
ret = n;
mutex_lock(&audioBufMutex);
#if (ISMALLOC == 1)
while (n--) {
*outDest++ = *audioBufRdPos++;
rdpos++;
if (audioBufRdPos == (audioBuf + AUDIO_BUFFER_SIZE)) {
audioBufRdPos = audioBuf;
// LOGD(">>>>> audioBuf+ ReadPos + AUDIO_BUFFER_SIZE\r\n");
}
}
#else
if(n + audioBufRdPos <= (audioBuf + AUDIO_BUFFER_SIZE))
{
psram_cache_memcpy((uint8_t*) outDest, (uint8_t*) audioBufRdPos, n);
audioBufRdPos += n;
} else {
uint32_t len = audioBuf + AUDIO_BUFFER_SIZE - audioBufRdPos;
psram_cache_memcpy((uint8_t*) outDest, (uint8_t*) audioBufRdPos, len);
outDest += len;
len = n - len;
psram_cache_memcpy((uint8_t*) outDest, (uint8_t*) audioBuf, len);
audioBufRdPos = audioBuf + len;
}
rdpos += n;
#endif
mutex_unlock(&audioBufMutex);
// LOGD("r:%p w:%p,rdpos=%d,wrpos=%d,dlt=%d f=%d",audioBufRdPos,audioBufWrPos,rdpos,wrpos,(wrpos-rdpos),audioBufFillGet());
return ret;
}
/**
* @brief Writes data to the specified buffer.
*
*/
int audioBufWrite(char *src, int n, uint32_t t)
{
configASSERT(audioBufMutex);
char *inSrc = src;
int ret = n;
if (NULL == inSrc) {
ret = -1;
LOGE("Source is NULL\r\n");
return ret;
}
int empty;
retryW:
empty = (AUDIO_BUFFER_SIZE - audioBufFillGet());
if (empty < n) {
int flag = 0;
LOGD("Waiting writeable semaphore,wanted[%d] empty[%d] timeout[%d]",n, empty, t);
if (xQueueReceive(queWrQuit, &flag, t)) {
LOGE("receive a write quit queue\r\n");
return 0;
}
else {
goto retryW;
}
}
mutex_lock(&audioBufMutex);
#if (ISMALLOC == 1)
while (n--) {
*audioBufWrPos++ = *inSrc++;
wrpos++;
if (audioBufWrPos == (audioBuf + AUDIO_BUFFER_SIZE)) {
audioBufWrPos = audioBuf;
//LOGD(">>>>> audioBuf+ WritePos + AUDIO_BUFFER_SIZE\r\n");
}
}
#else
if(n + audioBufWrPos <= (audioBuf + AUDIO_BUFFER_SIZE))
{
psram_cache_memcpy((uint8_t*) audioBufWrPos, (uint8_t*) src, n);
audioBufWrPos += n;
} else {
uint32_t len = audioBuf + AUDIO_BUFFER_SIZE - audioBufWrPos;
psram_cache_memcpy((uint8_t*) audioBufWrPos, (uint8_t*) inSrc, len);
inSrc += len;
len = n - len;
psram_cache_memcpy((uint8_t*) audioBuf, (uint8_t*) inSrc, len);
audioBufWrPos = audioBuf + len;
}
wrpos += n;
#endif
mutex_unlock(&audioBufMutex);
// LOGD("r:%p w:%p,rdpos=%d,wrpos=%d,dlt=%d f=%d",audioBufRdPos,audioBufWrPos,rdpos,wrpos,(wrpos-rdpos),audioBufFillGet());
return ret;
}
/**
* @brief Reset the write and read buffer pointer.
*
*/
void audioBufRestAll()
{
configASSERT(audioBufMutex);
mutex_lock(&audioBufMutex);
audioBufWrPos = audioBuf;
audioBufRdPos = audioBuf;
mutex_unlock(&audioBufMutex);
}
/**
* @brief Reset the read buffer address.
*
*/
void audioBufRdRest()
{
configASSERT(audioBufMutex);
mutex_lock(&audioBufMutex);
audioBufRdPos = audioBuf;
mutex_unlock(&audioBufMutex);
}
/**
* @brief Reset the write buffer address.
*
*/
void audioBufWrRest()
{
configASSERT(audioBufMutex);
mutex_lock(&audioBufMutex);
audioBufWrPos = audioBuf;
mutex_unlock(&audioBufMutex);
}
/**
* @brief Get the buffer read and write position.
*
*/
void audioBufPosGet(uint32_t *rdPos, uint32_t *wrPos)
{
configASSERT(audioBufMutex);
mutex_lock(&audioBufMutex);
*wrPos = (uint32_t)audioBufWrPos;
*rdPos = (uint32_t)audioBufRdPos;
mutex_unlock(&audioBufMutex);
}
/**
* @brief Set the buffer read and write position.
*
*/
void audioBufRdPosSet(uint32_t *rdPos)
{
audioBufRdPos = (char*)*rdPos;
}
// end