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-rwxr-xr-xcomponents/drivers/Kconfig14
-rw-r--r--components/drivers/audio/audio.c641
-rw-r--r--components/drivers/audio/audio_pipe.c32
-rw-r--r--components/drivers/include/drivers/audio.h144
4 files changed, 439 insertions, 392 deletions
diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig
index 4aceee3b4e..250d661e9f 100755
--- a/components/drivers/Kconfig
+++ b/components/drivers/Kconfig
@@ -238,6 +238,20 @@ config RT_USING_WDT
config RT_USING_AUDIO
bool "Using Audio device drivers"
default n
+
+ if RT_USING_AUDIO
+ config RT_AUDIO_REPLAY_MP_BLOCK_SIZE
+ int "Replay memmory pool block size"
+ default 4096
+
+ config RT_AUDIO_REPLAY_MP_BLOCK_COUNT
+ int "Replay memmory pool block count"
+ default 2
+
+ config RT_AUDIO_RECORD_PIPE_SIZE
+ int "Record pipe size"
+ default 2048
+ endif
config RT_USING_SENSOR
bool "Using Sensor device drivers"
diff --git a/components/drivers/audio/audio.c b/components/drivers/audio/audio.c
index 6da0a3da91..28ddf0fe56 100644
--- a/components/drivers/audio/audio.c
+++ b/components/drivers/audio/audio.c
@@ -5,83 +5,208 @@
*
* Change Logs:
* Date Author Notes
- * 2017-05-09 Urey first version
+ * 2017-05-09 Urey first version
+ * 2019-07-09 Zero-Free improve device ops interface and data flows
*/
#include <stdio.h>
+#include <string.h>
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
-#include <drivers/audio.h>
+#define DBG_TAG "audio"
+#define DBG_LVL DBG_INFO
+#include <rtdbg.h>
-#include "audio_pipe.h"
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
-
-#define AUDIO_DEBUG 0
-#if AUDIO_DEBUG
-#define AUDIO_DBG(...) printf("[AUDIO]:"),printf(__VA_ARGS__)
-#else
-#define AUDIO_DBG(...)
-#endif
-
-static struct rt_audio_pipe audio_pipe;
+enum
+{
+ REPLAY_EVT_NONE = 0x00,
+ REPLAY_EVT_START = 0x01,
+ REPLAY_EVT_STOP = 0x02,
+};
static rt_err_t _audio_send_replay_frame(struct rt_audio_device *audio)
{
rt_err_t result = RT_EOK;
- rt_base_t level;
- struct rt_audio_frame frame;
+ rt_uint8_t *data;
+ rt_size_t dst_size, src_size;
+ rt_uint16_t position, remain_bytes, index = 0;
+ struct rt_audio_buf_info *buf_info;
RT_ASSERT(audio != RT_NULL);
- //check repaly queue is empty
- if (rt_data_queue_peak(&audio->replay->queue, &frame.data_ptr, &frame.data_size) != RT_EOK)
+ buf_info = &audio->replay->buf_info;
+ /* save current pos */
+ position = audio->replay->pos;
+ dst_size = buf_info->block_size;
+
+ /* check repaly queue is empty */
+ if (rt_data_queue_peak(&audio->replay->queue, (const void **)&data, &src_size) != RT_EOK)
{
- AUDIO_DBG("TX queue is empty\n");
- result = -RT_EEMPTY;
+ /* ack stop event */
+ if (audio->replay->event & REPLAY_EVT_STOP)
+ rt_completion_done(&audio->replay->cmp);
- level = rt_hw_interrupt_disable();
- audio->replay->activated = RT_FALSE;
- rt_hw_interrupt_enable(level);
+ /* send zero frames */
+ memset(&buf_info->buffer[audio->replay->pos], 0, dst_size);
- goto _exit;
+ audio->replay->pos += dst_size;
+ audio->replay->pos %= buf_info->total_size;
}
-
- if (audio->ops->transmit != RT_NULL)
+ else
{
- AUDIO_DBG("audio transmit...\n");
- if (audio->ops->transmit(audio, frame.data_ptr, RT_NULL, frame.data_size) != frame.data_size)
+ memset(&buf_info->buffer[audio->replay->pos], 0, dst_size);
+
+ /* copy data from memory pool to hardware device fifo */
+ while (index < dst_size)
{
- result = -RT_EBUSY;
+ result = rt_data_queue_peak(&audio->replay->queue, (const void **)&data, &src_size);
+ if (result != RT_EOK)
+ {
+ LOG_D("under run %d, remain %d", audio->replay->pos, remain_bytes);
+ audio->replay->pos -= remain_bytes;
+ audio->replay->pos += dst_size;
+ audio->replay->pos %= buf_info->total_size;
+ audio->replay->read_index = 0;
+ result = -RT_EEMPTY;
+ break;
+ }
+
+ remain_bytes = MIN((dst_size - index), (src_size - audio->replay->read_index));
+ memcpy(&buf_info->buffer[audio->replay->pos],
+ &data[audio->replay->read_index], remain_bytes);
+
+ index += remain_bytes;
+ audio->replay->read_index += remain_bytes;
+ audio->replay->pos += remain_bytes;
+ audio->replay->pos %= buf_info->total_size;
+
+ if (audio->replay->read_index == src_size)
+ {
+ /* free memory */
+ audio->replay->read_index = 0;
+ rt_data_queue_pop(&audio->replay->queue, (const void **)&data, &src_size, RT_WAITING_NO);
+ rt_mp_free(data);
- goto _exit;
+ /* notify transmitted complete. */
+ if (audio->parent.tx_complete != RT_NULL)
+ audio->parent.tx_complete(&audio->parent, (void *)data);
+ }
}
}
- //pop the head frame...
- rt_data_queue_pop(&audio->replay->queue, &frame.data_ptr, &frame.data_size, RT_WAITING_FOREVER);
+ if (audio->ops->transmit != RT_NULL)
+ {
+ if (audio->ops->transmit(audio, &buf_info->buffer[position], RT_NULL, dst_size) != dst_size)
+ result = -RT_ERROR;
+ }
- _exit: return result;
+ return result;
}
static rt_err_t _audio_flush_replay_frame(struct rt_audio_device *audio)
{
- struct rt_audio_frame frame;
+ rt_err_t result = RT_EOK;
- if (audio->replay == RT_NULL)
- return -RT_EIO;
- while (rt_data_queue_peak(&audio->replay->queue, &frame.data_ptr, &frame.data_size) == RT_EOK)
+ if (audio->replay->write_index)
{
- //pop the head frame...
- rt_data_queue_pop(&audio->replay->queue, &frame.data_ptr, &frame.data_size, RT_WAITING_FOREVER);
+ result = rt_data_queue_push(&audio->replay->queue,
+ (const void **)audio->replay->write_data,
+ audio->replay->write_index,
+ RT_WAITING_FOREVER);
- /* notify transmitted complete. */
- if (audio->parent.tx_complete != RT_NULL)
- audio->parent.tx_complete(&audio->parent, (void *) frame.data_ptr);
+ audio->replay->write_index = 0;
}
- return RT_EOK;
+ return result;
+}
+
+static rt_err_t _aduio_replay_start(struct rt_audio_device *audio)
+{
+ rt_err_t result = RT_EOK;
+
+ if (audio->replay->activated != RT_TRUE)
+ {
+ /* start playback hardware device */
+ if (audio->ops->start)
+ result = audio->ops->start(audio, AUDIO_STREAM_REPLAY);
+
+ audio->replay->activated = RT_TRUE;
+ LOG_D("start audio replay device");
+ }
+
+ return result;
+}
+
+static rt_err_t _aduio_replay_stop(struct rt_audio_device *audio)
+{
+ rt_err_t result = RT_EOK;
+
+ if (audio->replay->activated == RT_TRUE)
+ {
+ /* flush replay remian frames */
+ _audio_flush_replay_frame(audio);
+
+ /* notify irq(or thread) to stop the data transmission */
+ audio->replay->event |= REPLAY_EVT_STOP;
+
+ /* waiting for the remaining data transfer to complete */
+ rt_completion_init(&audio->replay->cmp);
+ rt_completion_wait(&audio->replay->cmp, RT_WAITING_FOREVER);
+ audio->replay->event &= ~REPLAY_EVT_STOP;
+
+ /* stop playback hardware device */
+ if (audio->ops->stop)
+ result = audio->ops->stop(audio, AUDIO_STREAM_REPLAY);
+
+ audio->replay->activated = RT_FALSE;
+ LOG_D("stop audio replay device");
+ }
+
+ return result;
+}
+
+static rt_err_t _audio_record_start(struct rt_audio_device *audio)
+{
+ rt_err_t result = RT_EOK;
+
+ if (audio->record->activated != RT_TRUE)
+ {
+ /* open audio record pipe */
+ rt_device_open(RT_DEVICE(&audio->record->pipe), RT_DEVICE_OFLAG_RDONLY);
+
+ /* start record hardware device */
+ if (audio->ops->start)
+ result = audio->ops->start(audio, AUDIO_STREAM_RECORD);
+
+ audio->record->activated = RT_TRUE;
+ LOG_D("start audio record device");
+ }
+
+ return result;
+}
+
+static rt_err_t _audio_record_stop(struct rt_audio_device *audio)
+{
+ rt_err_t result = RT_EOK;
+
+ if (audio->record->activated == RT_TRUE)
+ {
+ /* stop record hardware device */
+ if (audio->ops->stop)
+ result = audio->ops->stop(audio, AUDIO_STREAM_RECORD);
+
+ /* close audio record pipe */
+ rt_device_close(RT_DEVICE(&audio->record->pipe));
+
+ audio->record->activated = RT_FALSE;
+ LOG_D("stop audio record device");
+ }
+
+ return result;
}
static rt_err_t _audio_dev_init(struct rt_device *dev)
@@ -96,9 +221,68 @@ static rt_err_t _audio_dev_init(struct rt_device *dev)
audio->replay = RT_NULL;
audio->record = RT_NULL;
- /* apply configuration */
+ /* initialize replay */
+ if (dev->flag & RT_DEVICE_FLAG_WRONLY)
+ {
+ struct rt_audio_replay *replay = (struct rt_audio_replay *) rt_malloc(sizeof(struct rt_audio_replay));
+
+ if (replay == RT_NULL)
+ return -RT_ENOMEM;
+ memset(replay, 0, sizeof(struct rt_audio_replay));
+
+ /* init memory pool for replay */
+ replay->mp = rt_mp_create("adu_mp", RT_AUDIO_REPLAY_MP_BLOCK_COUNT, RT_AUDIO_REPLAY_MP_BLOCK_SIZE);
+ if (replay->mp == RT_NULL)
+ {
+ rt_free(replay);
+ LOG_E("create memory pool for repaly failed");
+ return -RT_ENOMEM;
+ }
+
+ /* init queue for audio replay */
+ rt_data_queue_init(&replay->queue, CFG_AUDIO_REPLAY_QUEUE_COUNT, 0, RT_NULL);
+
+ /* init mutex lock for audio replay */
+ rt_mutex_init(&replay->lock, "replay", RT_IPC_FLAG_PRIO);
+
+ replay->activated = RT_FALSE;
+ audio->replay = replay;
+ }
+
+ /* initialize record */
+ if (dev->flag & RT_DEVICE_FLAG_RDONLY)
+ {
+ struct rt_audio_record *record = (struct rt_audio_record *) rt_malloc(sizeof(struct rt_audio_record));
+ rt_uint8_t *buffer;
+
+ if (record == RT_NULL)
+ return -RT_ENOMEM;
+ memset(record, 0, sizeof(struct rt_audio_record));
+
+ /* init pipe for record*/
+ buffer = rt_malloc(RT_AUDIO_RECORD_PIPE_SIZE);
+ if (buffer == RT_NULL)
+ {
+ rt_free(record);
+ LOG_E("malloc memory for for record pipe failed");
+ return -RT_ENOMEM;
+ }
+ rt_audio_pipe_init(&record->pipe, "record",
+ (rt_int32_t)(RT_PIPE_FLAG_FORCE_WR | RT_PIPE_FLAG_BLOCK_RD),
+ buffer,
+ RT_AUDIO_RECORD_PIPE_SIZE);
+
+ record->activated = RT_FALSE;
+ audio->record = record;
+ }
+
+ /* initialize hardware configuration */
if (audio->ops->init)
- result = audio->ops->init(audio);
+ audio->ops->init(audio);
+
+ /* get replay buffer information */
+ if (audio->ops->buffer_info)
+ audio->ops->buffer_info(audio, &audio->replay->buf_info);
return result;
}
@@ -122,65 +306,27 @@ static rt_err_t _audio_dev_open(struct rt_device *dev, rt_uint16_t oflag)
/* initialize the Rx/Tx structure according to open flag */
if (oflag & RT_DEVICE_OFLAG_WRONLY)
{
- AUDIO_DBG("open audio device ,oflag = %x\n",oflag);
- if (audio->replay == RT_NULL)
+ if (audio->replay->activated != RT_TRUE)
{
- struct rt_audio_replay *replay = (struct rt_audio_replay *) rt_malloc(sizeof(struct rt_audio_replay));
-
- if (replay == RT_NULL)
- {
- AUDIO_DBG("request memory for replay error\n");
- return -RT_ENOMEM;
- }
-
- //init queue for audio replay
- rt_data_queue_init(&replay->queue, CFG_AUDIO_REPLAY_QUEUE_COUNT, CFG_AUDIO_REPLAY_QUEUE_COUNT / 2, RT_NULL);
-
- replay->activated = RT_FALSE;
- audio->replay = replay;
+ LOG_D("open audio replay device, oflag = %x\n", oflag);
+ audio->replay->write_index = 0;
+ audio->replay->read_index = 0;
+ audio->replay->pos = 0;
+ audio->replay->event = REPLAY_EVT_NONE;
}
-
dev->open_flag |= RT_DEVICE_OFLAG_WRONLY;
}
if (oflag & RT_DEVICE_OFLAG_RDONLY)
{
- if (audio->record == RT_NULL)
+ /* open record pipe */
+ if (audio->record->activated != RT_TRUE)
{
- struct rt_audio_record *record = (struct rt_audio_record *) rt_malloc(sizeof(struct rt_audio_record));
-
- if (record == RT_NULL)
- {
- AUDIO_DBG("request memory for record error\n");
- return -RT_ENOMEM;
- }
-
- //init pipe for record
- {
- rt_uint8_t *buf = (rt_uint8_t *)rt_malloc(CFG_AUDIO_RECORD_PIPE_SIZE);
-
- if (buf == RT_NULL)
- {
- rt_free(record);
- AUDIO_DBG("request pipe memory error\n");
+ LOG_D("open audio record device ,oflag = %x\n", oflag);
- return -RT_ENOMEM;
- }
-
- rt_audio_pipe_init(&audio_pipe, "recpipe", (rt_int32_t)(RT_PIPE_FLAG_FORCE_WR | RT_PIPE_FLAG_BLOCK_RD), buf,
- CFG_AUDIO_RECORD_PIPE_SIZE);
- }
-
- record->activated = RT_FALSE;
- audio->record = record;
- }
-
- //open record pipe
- if (audio->record != RT_NULL)
- {
- rt_device_open(RT_DEVICE(&audio_pipe), RT_DEVICE_OFLAG_RDONLY);
+ _audio_record_start(audio);
+ audio->record->activated = RT_TRUE;
}
-
dev->open_flag |= RT_DEVICE_OFLAG_RDONLY;
}
@@ -193,39 +339,17 @@ static rt_err_t _audio_dev_close(struct rt_device *dev)
RT_ASSERT(dev != RT_NULL);
audio = (struct rt_audio_device *) dev;
- //shutdown the lower device
- if (audio->ops->shutdown != RT_NULL)
- audio->ops->shutdown(audio);
-
if (dev->open_flag & RT_DEVICE_OFLAG_WRONLY)
{
- struct rt_audio_frame frame;
- //stop replay stream
- audio->ops->stop(audio, AUDIO_STREAM_REPLAY);
-
- //flush all frame
- while (rt_data_queue_peak(&audio->replay->queue, &frame.data_ptr, &frame.data_size) == RT_EOK)
- {
- //pop the head frame...
- rt_data_queue_pop(&audio->replay->queue, &frame.data_ptr, &frame.data_size, RT_WAITING_FOREVER);
-
- /* notify transmitted complete. */
- if (audio->parent.tx_complete != RT_NULL)
- audio->parent.tx_complete(&audio->parent, (void *) frame.data_ptr);
- }
-
+ /* stop replay stream */
+ _aduio_replay_stop(audio);
dev->open_flag &= ~RT_DEVICE_OFLAG_WRONLY;
}
if (dev->open_flag & RT_DEVICE_OFLAG_RDONLY)
{
- //stop record stream
- audio->ops->stop(audio, AUDIO_STREAM_RECORD);
-
- //close record pipe
- if (audio->record != RT_NULL)
- rt_device_close(RT_DEVICE(&audio_pipe));
-
+ /* stop record stream */
+ _audio_record_stop(audio);
dev->open_flag &= ~RT_DEVICE_OFLAG_RDONLY;
}
@@ -237,17 +361,19 @@ static rt_size_t _audio_dev_read(struct rt_device *dev, rt_off_t pos, void *buff
struct rt_audio_device *audio;
RT_ASSERT(dev != RT_NULL);
audio = (struct rt_audio_device *) dev;
+
if (!(dev->open_flag & RT_DEVICE_OFLAG_RDONLY) || (audio->record == RT_NULL))
return 0;
- return rt_device_read(RT_DEVICE(&audio_pipe), pos, buffer, size);
+ return rt_device_read(RT_DEVICE(&audio->record->pipe), pos, buffer, size);
}
static rt_size_t _audio_dev_write(struct rt_device *dev, rt_off_t pos, const void *buffer, rt_size_t size)
{
- rt_err_t result = RT_EOK;
- rt_base_t level;
+
struct rt_audio_device *audio;
+ rt_uint8_t *ptr;
+ rt_uint16_t block_size, remain_bytes, index = 0;
RT_ASSERT(dev != RT_NULL);
audio = (struct rt_audio_device *) dev;
@@ -255,34 +381,46 @@ static rt_size_t _audio_dev_write(struct rt_device *dev, rt_off_t pos, const voi
if (!(dev->open_flag & RT_DEVICE_OFLAG_WRONLY) || (audio->replay == RT_NULL))
return 0;
- AUDIO_DBG("audio write : pos = %d,buffer = %x,size = %d\n",pos,(rt_uint32_t)buffer,size);
- //push a new frame to tx queue
+ /* push a new frame to replay data queue */
+ ptr = (rt_uint8_t *)buffer;
+ block_size = RT_AUDIO_REPLAY_MP_BLOCK_SIZE;
+
+ rt_mutex_take(&audio->replay->lock, RT_WAITING_FOREVER);
+ while (index < size)
{
- result = rt_data_queue_push(&audio->replay->queue, buffer, size,
- RT_WAITING_FOREVER);
- if (result != RT_EOK)
+ /* request buffer from replay memory pool */
+ if (audio->replay->write_index % block_size == 0)
{
- AUDIO_DBG("TX frame queue push error\n");
- rt_set_errno(-RT_EFULL);
- return 0;
+ audio->replay->write_data = rt_mp_alloc(audio->replay->mp, RT_WAITING_FOREVER);
+ memset(audio->replay->write_data, 0, block_size);
+ }
+
+ /* copy data to replay memory pool */
+ remain_bytes = MIN((block_size - audio->replay->write_index), (size - index));
+ memcpy(&audio->replay->write_data[audio->replay->write_index], &ptr[index], remain_bytes);
+
+ index += remain_bytes;
+ audio->replay->write_index += remain_bytes;
+ audio->replay->write_index %= block_size;
+
+ if (audio->replay->write_index == 0)
+ {
+ rt_data_queue_push(&audio->replay->queue,
+ audio->replay->write_data,
+ block_size,
+ RT_WAITING_FOREVER);
}
}
+ rt_mutex_release(&audio->replay->lock);
- //check tx state...
- level = rt_hw_interrupt_disable();
+ /* check replay state */
if (audio->replay->activated != RT_TRUE)
{
+ _aduio_replay_start(audio);
audio->replay->activated = RT_TRUE;
- rt_hw_interrupt_enable(level);
-
- _audio_send_replay_frame(audio);
- }
- else
- {
- rt_hw_interrupt_enable(level);
}
- return size;
+ return index;
}
static rt_err_t _audio_dev_control(struct rt_device *dev, int cmd, void *args)
@@ -292,112 +430,70 @@ static rt_err_t _audio_dev_control(struct rt_device *dev, int cmd, void *args)
RT_ASSERT(dev != RT_NULL);
audio = (struct rt_audio_device *) dev;
- //dev stat...
+ /* dev stat...*/
switch (cmd)
{
- case AUDIO_CTL_GETCAPS:
- {
- struct rt_audio_caps *caps = (struct rt_audio_caps *) args;
+ case AUDIO_CTL_GETCAPS:
+ {
+ struct rt_audio_caps *caps = (struct rt_audio_caps *) args;
- AUDIO_DBG("AUDIO_CTL_GETCAPS: main_type = %d,sub_type = %d\n",caps->main_type,caps->sub_type);
- if (audio->ops->getcaps != RT_NULL)
- {
- result = audio->ops->getcaps(audio, caps);
- }
- }
- break;
- case AUDIO_CTL_CONFIGURE:
+ LOG_D("AUDIO_CTL_GETCAPS: main_type = %d,sub_type = %d", caps->main_type, caps->sub_type);
+ if (audio->ops->getcaps != RT_NULL)
{
- struct rt_audio_caps *caps = (struct rt_audio_caps *) args;
-
- AUDIO_DBG("AUDIO_CTL_CONFIGURE: main_type = %d,sub_type = %d\n",caps->main_type,caps->sub_type);
- if (audio->ops->configure != RT_NULL)
- {
- result = audio->ops->configure(audio, caps);
- }
+ result = audio->ops->getcaps(audio, caps);
}
break;
- case AUDIO_CTL_SHUTDOWN:
- {
- AUDIO_DBG("AUDIO_CTL_SHUTDOWN\n");
-
- if (audio->ops->shutdown != RT_NULL)
- result = audio->ops->shutdown(audio);
+ }
- //flush replay frame...
- _audio_flush_replay_frame(audio);
- }
- break;
+ case AUDIO_CTL_CONFIGURE:
+ {
+ struct rt_audio_caps *caps = (struct rt_audio_caps *) args;
- case AUDIO_CTL_START:
+ LOG_D("AUDIO_CTL_CONFIGURE: main_type = %d,sub_type = %d", caps->main_type, caps->sub_type);
+ if (audio->ops->configure != RT_NULL)
{
- int stream = *(int *) args;
-
- AUDIO_DBG("AUDIO_CTL_START: stream = %d\n",stream);
- if (audio->ops->start != RT_NULL)
- result = audio->ops->start(audio, stream);
+ result = audio->ops->configure(audio, caps);
}
+
break;
- case AUDIO_CTL_STOP:
- {
- int stream = *(int *) args;
+ }
- AUDIO_DBG("AUDIO_CTL_STOP: stream = %d\n",stream);
- if (audio->ops->start != RT_NULL)
- result = audio->ops->stop(audio, stream);
+ case AUDIO_CTL_START:
+ {
+ int stream = *(int *) args;
- if (stream == AUDIO_STREAM_REPLAY)
- {
- _audio_flush_replay_frame(audio);
- }
- }
- break;
- case AUDIO_CTL_PAUSE:
+ LOG_D("AUDIO_CTL_START: stream = %d", stream);
+ if (stream == AUDIO_STREAM_REPLAY)
{
- int stream = *(int *) args;
-
- AUDIO_DBG("AUDIO_CTL_PAUSE: stream = %d\n",stream);
- if (audio->ops->start != RT_NULL)
- result = audio->ops->suspend(audio, stream);
+ result = _aduio_replay_start(audio);
}
- break;
- case AUDIO_CTL_RESUME:
+ else
{
- int stream = *(int *) args;
-
- AUDIO_DBG("AUDIO_CTL_RESUME: stream = %d\n",stream);
- if (audio->ops->start != RT_NULL)
- result = audio->ops->resume(audio, stream);
-
- //resume tx frame...
- if (stream == AUDIO_STREAM_REPLAY)
- _audio_send_replay_frame(audio);
+ result = _audio_record_start(audio);
}
+
break;
- case AUDIO_CTL_ALLOCBUFFER:
- {
- struct rt_audio_buf_desc *desc = (struct rt_audio_buf_desc *) args;
+ }
- if (desc)
- {
- desc->data_size = AUDIO_DEVICE_DECODE_MP_BLOCK_SZ * 2;
- desc->data_ptr = (rt_uint8_t *)rt_mp_alloc(&audio->mp, RT_WAITING_FOREVER);
+ case AUDIO_CTL_STOP:
+ {
+ int stream = *(int *) args;
- result = RT_EOK;
- }
- else result = -RT_EIO;
+ LOG_D("AUDIO_CTL_STOP: stream = %d", stream);
+ if (stream == AUDIO_STREAM_REPLAY)
+ {
+ result = _aduio_replay_stop(audio);
}
- break;
- case AUDIO_CTL_FREEBUFFER:
+ else
{
- rt_uint8_t *data_ptr = (rt_uint8_t *) args;
- if (data_ptr)
- rt_mp_free(data_ptr);
+ result = _audio_record_stop(audio);
}
+
break;
- default:
- result = audio->ops->control(audio, cmd, args);
+ }
+
+ default:
break;
}
@@ -418,7 +514,9 @@ const static struct rt_device_ops audio_ops =
rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data)
{
+ rt_err_t result = RT_EOK;
struct rt_device *device;
+
RT_ASSERT(audio != RT_NULL);
device = &(audio->parent);
@@ -438,15 +536,14 @@ rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_u
#endif
device->user_data = data;
- //init memory pool for replay
- {
- rt_uint8_t *mempool = (rt_uint8_t *)rt_malloc(AUDIO_DEVICE_DECODE_MP_SZ);
- rt_mp_init(&audio->mp, "adu_mp", mempool, AUDIO_DEVICE_DECODE_MP_SZ,
- AUDIO_DEVICE_DECODE_MP_BLOCK_SZ * 2);
- }
-
/* register a character device */
- return rt_device_register(device, name, flag | RT_DEVICE_FLAG_REMOVABLE);
+ result = rt_device_register(device, name, flag | RT_DEVICE_FLAG_REMOVABLE);
+
+ /* initialize audio device */
+ if (result == RT_EOK)
+ result = rt_device_init(device);
+
+ return result;
}
int rt_audio_samplerate_to_speed(rt_uint32_t bitValue)
@@ -454,43 +551,43 @@ int rt_audio_samplerate_to_speed(rt_uint32_t bitValue)
int speed = 0;
switch (bitValue)
{
- case AUDIO_SAMP_RATE_8K:
- speed = 8000;
+ case AUDIO_SAMP_RATE_8K:
+ speed = 8000;
break;
- case AUDIO_SAMP_RATE_11K:
- speed = 11052;
+ case AUDIO_SAMP_RATE_11K:
+ speed = 11052;
break;
- case AUDIO_SAMP_RATE_16K:
- speed = 16000;
+ case AUDIO_SAMP_RATE_16K:
+ speed = 16000;
break;
- case AUDIO_SAMP_RATE_22K:
- speed = 22050;
+ case AUDIO_SAMP_RATE_22K:
+ speed = 22050;
break;
- case AUDIO_SAMP_RATE_32K:
- speed = 32000;
+ case AUDIO_SAMP_RATE_32K:
+ speed = 32000;
break;
- case AUDIO_SAMP_RATE_44K:
- speed = 44100;
+ case AUDIO_SAMP_RATE_44K:
+ speed = 44100;
break;
- case AUDIO_SAMP_RATE_48K:
- speed = 48000;
+ case AUDIO_SAMP_RATE_48K:
+ speed = 48000;
break;
- case AUDIO_SAMP_RATE_96K:
- speed = 96000;
+ case AUDIO_SAMP_RATE_96K:
+ speed = 96000;
break;
- case AUDIO_SAMP_RATE_128K:
- speed = 128000;
+ case AUDIO_SAMP_RATE_128K:
+ speed = 128000;
break;
- case AUDIO_SAMP_RATE_160K:
- speed = 160000;
+ case AUDIO_SAMP_RATE_160K:
+ speed = 160000;
break;
- case AUDIO_SAMP_RATE_172K:
- speed = 176400;
+ case AUDIO_SAMP_RATE_172K:
+ speed = 176400;
break;
- case AUDIO_SAMP_RATE_192K:
- speed = 192000;
+ case AUDIO_SAMP_RATE_192K:
+ speed = 192000;
break;
- default:
+ default:
break;
}
@@ -498,46 +595,18 @@ int rt_audio_samplerate_to_speed(rt_uint32_t bitValue)
return speed;
}
-rt_uint32_t rt_audio_format_to_bits(rt_uint32_t format)
+void rt_audio_tx_complete(struct rt_audio_device *audio)
{
- switch (format)
- {
- case AUDIO_FMT_PCM_U8:
- case AUDIO_FMT_PCM_S8:
- return 8;
- case AUDIO_FMT_PCM_S16_LE:
- case AUDIO_FMT_PCM_S16_BE:
- case AUDIO_FMT_PCM_U16_LE:
- case AUDIO_FMT_PCM_U16_BE:
- return 16;
- default:
- return 32;
- };
-}
-
-void rt_audio_tx_complete(struct rt_audio_device *audio, rt_uint8_t *pbuf)
-{
- rt_err_t result;
- AUDIO_DBG("audio tx complete ptr=%x...\n",(rt_uint32_t)pbuf);
-
- //try to send all frame
- do
- {
- result = _audio_send_replay_frame(audio);
- } while (result == RT_EOK);
-
- /* notify transmitted complete. */
- if (audio->parent.tx_complete != RT_NULL)
- audio->parent.tx_complete(&audio->parent, (void *) pbuf);
+ /* try to send next frame */
+ _audio_send_replay_frame(audio);
}
void rt_audio_rx_done(struct rt_audio_device *audio, rt_uint8_t *pbuf, rt_size_t len)
{
- //save data to record pipe
- rt_device_write(RT_DEVICE(RT_DEVICE(&audio_pipe)), 0, pbuf, len);
+ /* save data to record pipe */
+ rt_device_write(RT_DEVICE(&audio->record->pipe), 0, pbuf, len);
/* invoke callback */
if (audio->parent.rx_indicate != RT_NULL)
audio->parent.rx_indicate(&audio->parent, len);
}
-
diff --git a/components/drivers/audio/audio_pipe.c b/components/drivers/audio/audio_pipe.c
index d6975e962c..d7c37009b6 100644
--- a/components/drivers/audio/audio_pipe.c
+++ b/components/drivers/audio/audio_pipe.c
@@ -24,8 +24,8 @@ static void _rt_pipe_resume_writer(struct rt_audio_pipe *pipe)
/* get suspended thread */
thread = rt_list_entry(pipe->suspended_write_list.next,
- struct rt_thread,
- tlist);
+ struct rt_thread,
+ tlist);
/* resume the write thread */
rt_thread_resume(thread);
@@ -66,7 +66,8 @@ static rt_size_t rt_pipe_read(rt_device_t dev,
/* current context checking */
RT_DEBUG_NOT_IN_INTERRUPT;
- do {
+ do
+ {
level = rt_hw_interrupt_disable();
read_nbytes = rt_ringbuffer_get(&(pipe->ringbuffer), (rt_uint8_t *)buffer, size);
if (read_nbytes == 0)
@@ -85,7 +86,8 @@ static rt_size_t rt_pipe_read(rt_device_t dev,
rt_hw_interrupt_enable(level);
break;
}
- } while (read_nbytes == 0);
+ }
+ while (read_nbytes == 0);
return read_nbytes;
}
@@ -104,8 +106,8 @@ static void _rt_pipe_resume_reader(struct rt_audio_pipe *pipe)
/* get suspended thread */
thread = rt_list_entry(pipe->suspended_read_list.next,
- struct rt_thread,
- tlist);
+ struct rt_thread,
+ tlist);
/* resume the read thread */
rt_thread_resume(thread);
@@ -128,7 +130,7 @@ static rt_size_t rt_pipe_write(rt_device_t dev,
RT_ASSERT(pipe != RT_NULL);
if ((pipe->flag & RT_PIPE_FLAG_FORCE_WR) ||
- !(pipe->flag & RT_PIPE_FLAG_BLOCK_WR))
+ !(pipe->flag & RT_PIPE_FLAG_BLOCK_WR))
{
level = rt_hw_interrupt_disable();
@@ -151,7 +153,8 @@ static rt_size_t rt_pipe_write(rt_device_t dev,
/* current context checking */
RT_DEBUG_NOT_IN_INTERRUPT;
- do {
+ do
+ {
level = rt_hw_interrupt_disable();
write_nbytes = rt_ringbuffer_put(&(pipe->ringbuffer), (const rt_uint8_t *)buffer, size);
if (write_nbytes == 0)
@@ -171,7 +174,8 @@ static rt_size_t rt_pipe_write(rt_device_t dev,
rt_hw_interrupt_enable(level);
break;
}
- } while (write_nbytes == 0);
+ }
+ while (write_nbytes == 0);
return write_nbytes;
}
@@ -183,7 +187,7 @@ static rt_err_t rt_pipe_control(rt_device_t dev, int cmd, void *args)
pipe = (struct rt_audio_pipe *)dev;
if (cmd == PIPE_CTRL_GET_SPACE && args)
- *(rt_size_t*)args = rt_ringbuffer_space_len(&pipe->ringbuffer);
+ *(rt_size_t *)args = rt_ringbuffer_space_len(&pipe->ringbuffer);
return RT_EOK;
}
@@ -212,10 +216,10 @@ const static struct rt_device_ops audio_pipe_ops =
* @return the operation status, RT_EOK on successful
*/
rt_err_t rt_audio_pipe_init(struct rt_audio_pipe *pipe,
- const char *name,
- rt_int32_t flag,
- rt_uint8_t *buf,
- rt_size_t size)
+ const char *name,
+ rt_int32_t flag,
+ rt_uint8_t *buf,
+ rt_size_t size)
{
RT_ASSERT(pipe);
RT_ASSERT(buf);
diff --git a/components/drivers/include/drivers/audio.h b/components/drivers/include/drivers/audio.h
index 7d2cb36728..86057e7626 100644
--- a/components/drivers/include/drivers/audio.h
+++ b/components/drivers/include/drivers/audio.h
@@ -5,52 +5,30 @@
*
* Change Logs:
* Date Author Notes
- * 2017-05-09 Urey first version
+ * 2017-05-09 Urey first version
+ * 2019-07-09 Zero-Free improve device ops interface and data flows
+ *
*/
#ifndef __AUDIO_H__
#define __AUDIO_H__
+#include "audio_pipe.h"
+
/* AUDIO command */
#define _AUDIO_CTL(a) (0x10 + a)
#define AUDIO_CTL_GETCAPS _AUDIO_CTL(1)
#define AUDIO_CTL_CONFIGURE _AUDIO_CTL(2)
-#define AUDIO_CTL_SHUTDOWN _AUDIO_CTL(3)
-#define AUDIO_CTL_START _AUDIO_CTL(4)
-#define AUDIO_CTL_STOP _AUDIO_CTL(5)
-#define AUDIO_CTL_PAUSE _AUDIO_CTL(6)
-#define AUDIO_CTL_RESUME _AUDIO_CTL(7)
-#define AUDIO_CTL_GETBUFFERINFO _AUDIO_CTL(8)
-#define AUDIO_CTL_ALLOCBUFFER _AUDIO_CTL(9)
-#define AUDIO_CTL_FREEBUFFER _AUDIO_CTL(10)
-#define AUDIO_CTL_HWRESET _AUDIO_CTL(11)
-
+#define AUDIO_CTL_START _AUDIO_CTL(3)
+#define AUDIO_CTL_STOP _AUDIO_CTL(4)
+#define AUDIO_CTL_GETBUFFERINFO _AUDIO_CTL(5)
/* Audio Device Types */
#define AUDIO_TYPE_QUERY 0x00
#define AUDIO_TYPE_INPUT 0x01
#define AUDIO_TYPE_OUTPUT 0x02
#define AUDIO_TYPE_MIXER 0x04
-#define AUDIO_TYPE_SELECTOR 0x08
-#define AUDIO_TYPE_EFFECT 0x10
-
-/* Audio Format Types */
-#define AUDIO_FMT_PCM_U8 0x0001
-#define AUDIO_FMT_PCM_S8 0x0002
-
-#define AUDIO_FMT_PCM_U16_LE 0x0010
-#define AUDIO_FMT_PCM_S16_BE 0x0020
-#define AUDIO_FMT_PCM_S16_LE 0x0040
-#define AUDIO_FMT_PCM_U16_BE 0x0080
-#define AUDIO_FMT_PCM_U24_LE 0x0100
-#define AUDIO_FMT_PCM_S24_BE 0x0200
-#define AUDIO_FMT_PCM_S24_LE 0x0400
-#define AUDIO_FMT_PCM_U24_BE 0x0800
-#define AUDIO_FMT_PCM_U32_LE 0x1000
-#define AUDIO_FMT_PCM_S32_BE 0x2000
-#define AUDIO_FMT_PCM_S32_LE 0x4000
-#define AUDIO_FMT_PCM_U32_BE 0x8000
/* Supported Sampling Rates */
#define AUDIO_SAMP_RATE_8K 0x0001
@@ -76,13 +54,11 @@
#define AUDIO_BIT_RATE_172K 0x40
#define AUDIO_BIT_RATE_192K 0x80
-
-
/* Support Dsp(input/output) Units controls */
#define AUDIO_DSP_PARAM 0 /* get/set all params */
-#define AUDIO_DSP_SAMPLERATE 1 /* 采样频率 */
-#define AUDIO_DSP_FMT 2
-#define AUDIO_DSP_CHANNELS 3
+#define AUDIO_DSP_SAMPLERATE 1 /* samplerate */
+#define AUDIO_DSP_CHANNELS 2 /* channels */
+#define AUDIO_DSP_SAMPLEBITS 3 /* sample bits width */
/* Supported Mixer Units controls */
#define AUDIO_MIXER_QUERY 0x0000
@@ -95,15 +71,13 @@
#define AUDIO_MIXER_LINE 0x0040
#define AUDIO_MIXER_DIGITAL 0x0080
#define AUDIO_MIXER_MIC 0x0100
+#define AUDIO_MIXER_VITURAL 0x0200
+#define AUDIO_MIXER_EXTEND 0x8000 /* extend mixer command */
-#define AUDIO_MIXER_EXTEND 0x8000 //extend mixer command
+#define AUDIO_VOLUME_MAX (100)
+#define AUDIO_VOLUME_MIN (0)
#define CFG_AUDIO_REPLAY_QUEUE_COUNT 4
-#define CFG_AUDIO_RECORD_PIPE_SIZE (8 * 1024)
-#define AUDIO_DEVICE_MP_CNT (4)
-#define AUDIO_DEVICE_DECODE_MP_BLOCK_SZ (4352 * 4)
-#define AUDIO_DEVICE_DECODE_MP_SZ ((AUDIO_DEVICE_DECODE_MP_BLOCK_SZ*2 + 4)*AUDIO_DEVICE_MP_CNT)
-
enum
{
@@ -115,19 +89,10 @@ enum
/* the preferred number and size of audio pipeline buffer for the audio device */
struct rt_audio_buf_info
{
- rt_uint32_t buffer_size; /* Preferred qty of buffers */
- rt_uint32_t buffer_count; /* Preferred size of the buffers */
-};
-struct rt_audio_buf_desc
-{
- rt_uint8_t *data_ptr;
- rt_size_t data_size;
-};
-
-struct rt_audio_frame
-{
- const void *data_ptr;
- rt_size_t data_size;
+ rt_uint8_t *buffer;
+ rt_uint16_t block_size;
+ rt_uint16_t block_count;
+ rt_uint32_t total_size;
};
struct rt_audio_device;
@@ -135,73 +100,68 @@ struct rt_audio_caps;
struct rt_audio_configure;
struct rt_audio_ops
{
- rt_err_t (*getcaps) (struct rt_audio_device *audio,struct rt_audio_caps *caps);
- rt_err_t (*configure) (struct rt_audio_device *audio,struct rt_audio_caps *caps);
-
- rt_err_t (*init) (struct rt_audio_device *audio);
- rt_err_t (*shutdown) (struct rt_audio_device *audio);
- rt_err_t (*start) (struct rt_audio_device *audio,int stream);
- rt_err_t (*stop) (struct rt_audio_device *audio,int stream);
- rt_err_t (*suspend) (struct rt_audio_device *audio,int stream);
- rt_err_t (*resume) (struct rt_audio_device *audio,int stream);
-
- rt_err_t (*control) (struct rt_audio_device *audio, int cmd, void *arg);
- rt_size_t (*transmit) (struct rt_audio_device *audio, const void *writeBuf,void *readBuf, rt_size_t size);
-
- //get page size of codec or private buffer's info
- void (*buffer_info) (struct rt_audio_device *audio,struct rt_audio_buf_info *info );
+ rt_err_t (*getcaps)(struct rt_audio_device *audio, struct rt_audio_caps *caps);
+ rt_err_t (*configure)(struct rt_audio_device *audio, struct rt_audio_caps *caps);
+ rt_err_t (*init)(struct rt_audio_device *audio);
+ rt_err_t (*start)(struct rt_audio_device *audio, int stream);
+ rt_err_t (*stop)(struct rt_audio_device *audio, int stream);
+ rt_size_t (*transmit)(struct rt_audio_device *audio, const void *writeBuf, void *readBuf, rt_size_t size);
+ /* get page size of codec or private buffer's info */
+ void (*buffer_info)(struct rt_audio_device *audio, struct rt_audio_buf_info *info);
};
-
struct rt_audio_configure
{
- rt_uint32_t channels;
-
- rt_uint32_t samplefmt;
rt_uint32_t samplerate;
- rt_uint32_t samplefmts;
+ rt_uint16_t channels;
+ rt_uint16_t samplebits;
};
struct rt_audio_caps
{
- int main_type;
- int sub_type;
+ int main_type;
+ int sub_type;
- union
- {
- rt_uint32_t mask;
- int value;
- struct rt_audio_configure config;
- }udata;
+ union
+ {
+ rt_uint32_t mask;
+ int value;
+ struct rt_audio_configure config;
+ } udata;
};
struct rt_audio_replay
{
- rt_bool_t activated;
+ struct rt_mempool *mp;
struct rt_data_queue queue;
+ struct rt_mutex lock;
+ struct rt_completion cmp;
+ struct rt_audio_buf_info buf_info;
+ rt_uint8_t *write_data;
+ rt_uint16_t write_index;
+ rt_uint16_t read_index;
+ rt_uint32_t pos;
+ rt_uint8_t event;
+ rt_bool_t activated;
};
struct rt_audio_record
{
+ struct rt_audio_pipe pipe;
rt_bool_t activated;
};
struct rt_audio_device
{
- struct rt_device parent;
+ struct rt_device parent;
struct rt_audio_ops *ops;
-
- struct rt_mempool mp;
-
struct rt_audio_replay *replay;
struct rt_audio_record *record;
};
-rt_err_t rt_audio_register (struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data);
-void rt_audio_tx_complete (struct rt_audio_device *audio,rt_uint8_t *pbuf);
-void rt_audio_rx_done (struct rt_audio_device *audio,rt_uint8_t *pbuf,rt_size_t len);
-rt_uint32_t rt_audio_format_to_bits (rt_uint32_t format);
-
+rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data);
+void rt_audio_tx_complete(struct rt_audio_device *audio);
+void rt_audio_rx_done(struct rt_audio_device *audio, rt_uint8_t *pbuf, rt_size_t len);
/* Device Control Commands */
#define CODEC_CMD_RESET 0