You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
160 lines
3.6 KiB
C++
160 lines
3.6 KiB
C++
#include <stddef.h>
|
|
#include "audio_drv.h"
|
|
#include "arm_vsi.h"
|
|
#ifdef _RTE_
|
|
#include "RTE_Components.h"
|
|
#endif
|
|
#include CMSIS_device_header
|
|
|
|
#include "cmsis_os2.h"
|
|
|
|
|
|
|
|
#include "RingBuffer.h"
|
|
|
|
#include "arm_math.h"
|
|
|
|
#include "SchedEvents.h"
|
|
#include "RingConfig.h"
|
|
|
|
#include "RingInit.h"
|
|
|
|
#define AudioIn_IRQn ((IRQn_Type)ARM_VSI0_IRQn) /* Audio Input Interrupt number */
|
|
|
|
extern osThreadId_t gAudioThreadID;
|
|
|
|
// Number of bytes read by DMA
|
|
#define AUDIO_BLOCK_NUM (4)
|
|
|
|
// Number of DMA blocks
|
|
#define AUDIO_DMA_NB_BLOCKS (RING_BUFSIZE >> 2)
|
|
|
|
|
|
extern int32_t AudioDrv_Setup(void);
|
|
|
|
|
|
|
|
#if RX_ENABLED
|
|
extern ring_config_t ringConfigRX;
|
|
|
|
#ifdef __FVP_PY
|
|
__attribute__((section(".ARM.__at_0x90000000")))
|
|
#endif
|
|
__ALIGNED(16) static uint8_t audio_bufferRX[RING_BUFSIZE];
|
|
static uint8_t *reservedBufRX=NULL;
|
|
|
|
#endif
|
|
|
|
#if TX_ENABLED
|
|
extern ring_config_t ringConfigTX;
|
|
|
|
#ifdef __FVP_PY
|
|
__attribute__((section(".ARM.__at_0x9FFF0000")))
|
|
#endif
|
|
__ALIGNED(16) static uint8_t audio_bufferTX[RING_BUFSIZE];
|
|
static uint8_t *reservedBufTX=NULL;
|
|
#endif
|
|
|
|
static void AudioEvent (uint32_t event) {
|
|
|
|
#if RX_ENABLED
|
|
if (event & AUDIO_DRV_EVENT_RX_DATA)
|
|
{
|
|
if (reservedBufRX != NULL)
|
|
{
|
|
memcpy(reservedBufRX,audio_bufferRX,RING_BUFSIZE);
|
|
ringInterruptReleaseBuffer(&ringConfigRX,(void *)gAudioThreadID);
|
|
int reservedRX=ringInterruptReserveBuffer(&ringConfigRX);
|
|
reservedBufRX=ringGetBufferAddress(&ringConfigRX,reservedRX);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if TX_ENABLED
|
|
if (event & AUDIO_DRV_EVENT_TX_DATA)
|
|
{
|
|
if (reservedBufTX != NULL)
|
|
{
|
|
memcpy(audio_bufferTX,reservedBufTX,RING_BUFSIZE);
|
|
}
|
|
ringInterruptReleaseBuffer(&ringConfigTX,(void *)gAudioThreadID);
|
|
int reservedTX=ringInterruptReserveBuffer(&ringConfigTX);
|
|
reservedBufTX=ringGetBufferAddress(&ringConfigTX,reservedTX);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int32_t AudioDrv_Setup(void) {
|
|
int32_t ret;
|
|
|
|
ret = AudioDrv_Initialize(AudioEvent);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
#if RX_ENABLED
|
|
|
|
ret = AudioDrv_Configure(AUDIO_DRV_INTERFACE_RX,
|
|
AUDIO_NBCHANNELS, /* single channel */
|
|
8U * AUDIO_CHANNEL_ENCODING, /* 16 sample bits */
|
|
static_cast<uint32_t>(AUDIO_SAMPLINGFREQUENCY));
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
/* Work because user process not started yet
|
|
*/
|
|
|
|
int reservedRX=ringInterruptReserveBuffer(&ringConfigRX);
|
|
reservedBufRX=ringGetBufferAddress(&ringConfigRX,reservedRX);
|
|
|
|
ret = AudioDrv_SetBuf(AUDIO_DRV_INTERFACE_RX,
|
|
audio_bufferRX, AUDIO_BLOCK_NUM, AUDIO_DMA_NB_BLOCKS);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
ret = AudioDrv_Control(AUDIO_DRV_CONTROL_RX_ENABLE);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#if TX_ENABLED
|
|
ret = AudioDrv_Configure(AUDIO_DRV_INTERFACE_TX,
|
|
AUDIO_NBCHANNELS, /* single channel */
|
|
8U * AUDIO_CHANNEL_ENCODING, /* 16 sample bits */
|
|
static_cast<uint32_t>(AUDIO_SAMPLINGFREQUENCY));
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
/* Work because user process not started yet
|
|
*/
|
|
|
|
/* dataflow must be one packet ahead of the TX */
|
|
ringUserReserveBuffer(&ringConfigTX);
|
|
ringUserReleaseBuffer(&ringConfigTX);
|
|
|
|
int reservedTX=ringInterruptReserveBuffer(&ringConfigTX);
|
|
reservedBufTX=ringGetBufferAddress(&ringConfigTX,reservedTX);
|
|
|
|
ret = AudioDrv_SetBuf(AUDIO_DRV_INTERFACE_TX,
|
|
audio_bufferTX, AUDIO_BLOCK_NUM, AUDIO_DMA_NB_BLOCKS);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
ret = AudioDrv_Control(AUDIO_DRV_CONTROL_TX_ENABLE);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return 0;
|
|
}
|
|
|