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temperature_iT12/fw-AC63_BT_SDK/cpu/br34/audio_enc.c

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添加AC63 SDK ，初步完成ADC获取温度 待完善
2025-04-04 09:11:41 +08:00
#include "asm/includes.h"
#include "media/includes.h"
#include "system/includes.h"
#include "classic/hci_lmp.h"
#include "aec_user.h"
#include "app_main.h"
#include "audio_config.h"
#include "pdm_link.h"
#include "audio_enc.h"
#if TCFG_AUDIO_ANC_ENABLE
#include "audio_anc.h"
#endif
#include "phone_message/phone_message.h"
extern struct adc_platform_data adc_data;
audio_plnk_t *audio_plnk_mic = NULL;
struct audio_adc_hdl adc_hdl;
struct esco_enc_hdl *esco_enc = NULL;
struct audio_encoder_task *encode_task = NULL;
#define ESCO_ADC_BUF_NUM 3
#define ESCO_ADC_IRQ_POINTS 256
#if TCFG_AUDIO_DUAL_MIC_ENABLE
#define ESCO_ADC_CH 2
#else
#define ESCO_ADC_CH 1
#endif
#define ESCO_ADC_BUFS_SIZE (ESCO_ADC_BUF_NUM * ESCO_ADC_IRQ_POINTS * ESCO_ADC_CH)
static const u16 esco_sync_word = 0x0801; /*1000b 0000b 0001b */
static const u16 esco_seq_num[4] = {0x0, 0x3, 0xC, 0xF}; /*0000b,0011b,1100b,1111b*/
struct esco_enc_hdl {
struct audio_encoder encoder;
struct audio_adc_output_hdl adc_output;
struct adc_mic_ch mic_ch;
u8 seqN;
//OS_SEM pcm_frame_sem;
s16 output_frame[30]; //align 4Bytes
int pcm_frame[60]; //align 4Bytes
s16 adc_buf[ESCO_ADC_BUFS_SIZE]; //align 4Bytes
#if (ESCO_ADC_CH == 2)
s16 tmp_buf[ESCO_ADC_IRQ_POINTS];
#endif
};
/*
*mic电源管理
*设置mic vdd对应port的状态
*/
void audio_mic_pwr_io(u32 gpio, u8 out_en)
{
gpio_set_die(gpio, 1);
gpio_set_pull_up(gpio, 0);
gpio_set_pull_down(gpio, 0);
gpio_direction_output(gpio, out_en);
}
void audio_mic_pwr_ctl(u8 state)
{
#if TCFG_AUDIO_MIC_PWR_CTL
switch (state) {
case MIC_PWR_INIT:
case MIC_PWR_OFF:
/*mic vdd:low*/
#ifdef TCFG_AUDIO_MIC_PWR_PORT
audio_mic_pwr_io(TCFG_AUDIO_MIC_PWR_PORT, 0);
#endif
/*
*mic in port config
*mic0:PA1
*/
audio_mic_pwr_io(IO_PORTA_01, 0);
break;
case MIC_PWR_ON:
/*mic vdd:high*/
#ifdef TCFG_AUDIO_MIC_PWR_PORT
audio_mic_pwr_io(TCFG_AUDIO_MIC_PWR_PORT, 1);
#endif
break;
case MIC_PWR_DOWN:
break;
}
#endif/*TCFG_AUDIO_MIC_PWR_CTL*/
}
void esco_enc_resume(void);
static void adc_mic_output_handler(void *priv, s16 *data, int len)
{
//printf("buf:%x,data:%x,len:%d",esco_enc->adc_buf,data,len);
if (esco_enc) {
#if (defined(TCFG_PHONE_MESSAGE_ENABLE) && (TCFG_PHONE_MESSAGE_ENABLE))
int ret = phone_message_mic_write(data, len);
if (ret >= 0) {
esco_enc_resume();
return ;
}
#endif
#if (ESCO_ADC_CH == 2)/*DualMic*/
s16 *mic0_data = data;
s16 *mic1_data = esco_enc->tmp_buf;
s16 *mic1_data_pos = data + (len / 2);
//printf("mic_data:%x,%x,%d\n",data,mic1_data_pos,len);
for (u16 i = 0; i < (len >> 1); i++) {
mic0_data[i] = data[i * 2];
mic1_data[i] = data[i * 2 + 1];
}
memcpy(mic1_data_pos, mic1_data, len);
#if 0 /*debug*/
static u16 mic_cnt = 0;
if (mic_cnt++ > 300) {
putchar('1');
audio_aec_inbuf(mic1_data_pos, len);
if (mic_cnt > 600) {
mic_cnt = 0;
}
} else {
putchar('0');
audio_aec_inbuf(mic0_data, len);
}
#else
audio_aec_inbuf_ref(mic1_data_pos, len);
audio_aec_inbuf(data, len);
#endif/*debug end*/
#else/*SingleMic*/
audio_aec_inbuf(data, len);
#endif/*ESCO_ADC_CH*/
}
}
static void audio_plnk_mic_output(void *priv, void *dat, u16 len, u8 buf_flag)
{
s16 *buf = dat;
s16 *mic0;
mic0 = (s16 *)buf;
mic0 += buf_flag * len;
if (esco_enc) {
#if (defined(TCFG_PHONE_MESSAGE_ENABLE) && (TCFG_PHONE_MESSAGE_ENABLE))
int ret = phone_message_mic_write(mic0, len << 1);
if (ret >= 0) {
esco_enc_resume();
return ;
}
#endif
audio_aec_inbuf(mic0, len << 1);
}
}
__attribute__((weak)) int audio_aec_output_read(s16 *buf, u16 len)
{
return 0;
}
void esco_enc_resume(void)
{
if (esco_enc) {
//os_sem_set(&esco_enc->pcm_frame_sem, 0);
//os_sem_post(&esco_enc->pcm_frame_sem);
audio_encoder_resume(&esco_enc->encoder);
}
}
static int esco_enc_pcm_get(struct audio_encoder *encoder, s16 **frame, u16 frame_len)
{
int rlen = 0;
if (encoder == NULL) {
r_printf("encoder NULL");
}
struct esco_enc_hdl *enc = container_of(encoder, struct esco_enc_hdl, encoder);
if (enc == NULL) {
r_printf("enc NULL");
}
while (1) {
#if (defined(TCFG_PHONE_MESSAGE_ENABLE) && (TCFG_PHONE_MESSAGE_ENABLE))
rlen = phone_message_output_read(enc->pcm_frame, frame_len);
if (rlen == frame_len) {
break;
} else if (rlen == 0) {
return 0;
}
#endif
rlen = audio_aec_output_read(enc->pcm_frame, frame_len);
if (rlen == frame_len) {
/*esco编码读取数据正常*/
break;
} else if (rlen == 0) {
/*esco编码读不到数，返回0*/
return 0;
/*esco编码读不到数，pend住*/
/* int ret = os_sem_pend(&enc->pcm_frame_sem, 100);
if (ret == OS_TIMEOUT) {
r_printf("esco_enc pend timeout\n");
break;
} */
} else {
/*通话结束，aec已经释放*/
printf("audio_enc end:%d\n", rlen);
rlen = 0;
break;
}
}
*frame = enc->pcm_frame;
return rlen;
}
static void esco_enc_pcm_put(struct audio_encoder *encoder, s16 *frame)
{
}
static const struct audio_enc_input esco_enc_input = {
.fget = esco_enc_pcm_get,
.fput = esco_enc_pcm_put,
};
static int esco_enc_probe_handler(struct audio_encoder *encoder)
{
#if (defined(TCFG_PHONE_MESSAGE_ENABLE) && (TCFG_PHONE_MESSAGE_ENABLE))
phone_message_call_api_start();
#endif
return 0;
}
static int esco_enc_output_handler(struct audio_encoder *encoder, u8 *frame, int len)
{
struct esco_enc_hdl *enc = container_of(encoder, struct esco_enc_hdl, encoder);
if (encoder->fmt.coding_type == AUDIO_CODING_MSBC) {
u16 head_H2 = esco_sync_word | (esco_seq_num[enc->seqN] << 12);
if (++enc->seqN > 3) {
enc->seqN = 0;
}
memcpy(frame, &head_H2, sizeof(head_H2));
}
lmp_private_send_esco_packet(NULL, frame, len);
//printf("frame:%x,out:%d\n",frame, len);
return len;
}
const static struct audio_enc_handler esco_enc_handler = {
.enc_probe = esco_enc_probe_handler,
.enc_output = esco_enc_output_handler,
};
static void esco_enc_event_handler(struct audio_encoder *encoder, int argc, int *argv)
{
printf("esco_enc_event_handler:0x%x,%d\n", argv[0], argv[0]);
switch (argv[0]) {
case AUDIO_ENC_EVENT_END:
puts("AUDIO_ENC_EVENT_END\n");
break;
}
}
int esco_enc_open(u32 coding_type, u8 frame_len)
{
int err;
struct audio_fmt fmt;
printf("esco_enc_open: %d,frame_len:%d\n", coding_type, frame_len);
fmt.channel = 1;
fmt.frame_len = frame_len;
if (coding_type == AUDIO_CODING_MSBC) {
fmt.sample_rate = 16000;
fmt.coding_type = AUDIO_CODING_MSBC;
} else if (coding_type == AUDIO_CODING_CVSD) {
fmt.sample_rate = 8000;
fmt.coding_type = AUDIO_CODING_CVSD;
} else {
/*Unsupoport eSCO Air Mode*/
}
if (!encode_task) {
encode_task = zalloc(sizeof(*encode_task));
audio_encoder_task_create(encode_task, "audio_enc");
}
if (!esco_enc) {
esco_enc = zalloc(sizeof(*esco_enc));
}
//os_sem_create(&esco_enc->pcm_frame_sem, 0);
audio_encoder_open(&esco_enc->encoder, &esco_enc_input, encode_task);
audio_encoder_set_handler(&esco_enc->encoder, &esco_enc_handler);
audio_encoder_set_fmt(&esco_enc->encoder, &fmt);
audio_encoder_set_event_handler(&esco_enc->encoder, esco_enc_event_handler, 0);
audio_encoder_set_output_buffs(&esco_enc->encoder, esco_enc->output_frame,
sizeof(esco_enc->output_frame), 1);
if (!esco_enc->encoder.enc_priv) {
log_e("encoder err, maybe coding(0x%x) disable \n", fmt.coding_type);
err = -EINVAL;
goto __err;
}
audio_encoder_start(&esco_enc->encoder);
#if TCFG_AUDIO_ANC_ENABLE
app_var.aec_mic_gain = anc_mic_gain_get();
#endif
printf("esco sample_rate: %d,mic_gain:%d\n", fmt.sample_rate, app_var.aec_mic_gain);
#if (TCFG_AUDIO_ADC_MIC_CHA == PLNK_MIC)
JL_PORTA->DIR &= ~BIT(2);
JL_PORTA->OUT |= BIT(2);
//6976B PA2 PA3双绑
JL_PORTA->DIR |= BIT(3);
JL_PORTA->PU &= ~BIT(3);
JL_PORTA->PD &= ~BIT(3);
audio_plnk_mic = zalloc(sizeof(audio_plnk_t));
if (audio_plnk_mic) {
audio_plnk_mic->ch_num = 1;//PLNK_MIC_CH;
audio_plnk_mic->sr = fmt.sample_rate;
audio_plnk_mic->output = audio_plnk_mic_output;
audio_plnk_open(audio_plnk_mic);
}
#else
audio_mic_pwr_ctl(MIC_PWR_ON);
audio_adc_mic_open(&esco_enc->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
#if (ESCO_ADC_CH == 2)
//audio_adc_mic1_open(&esco_enc->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
//audio_adc_mic1_set_gain(&esco_enc->mic_ch, app_var.aec_mic_gain);
#endif/*ESCO_ADC_CH*/
audio_adc_mic_set_sample_rate(&esco_enc->mic_ch, fmt.sample_rate);
audio_adc_mic_set_gain(&esco_enc->mic_ch, app_var.aec_mic_gain);
audio_adc_mic_set_buffs(&esco_enc->mic_ch, esco_enc->adc_buf,
ESCO_ADC_IRQ_POINTS * 2, ESCO_ADC_BUF_NUM);
esco_enc->adc_output.handler = adc_mic_output_handler;
audio_adc_add_output_handler(&adc_hdl, &esco_enc->adc_output);
audio_adc_mic_start(&esco_enc->mic_ch);
#endif
return 0;
__err:
audio_encoder_close(&esco_enc->encoder);
local_irq_disable();
free(esco_enc);
esco_enc = NULL;
local_irq_enable();
return err;
}
void esco_enc_close()
{
y_printf("esco_enc_close\n");
if (!esco_enc) {
printf("esco_enc NULL\n");
return;
}
#if (TCFG_AUDIO_ADC_MIC_CHA == PLNK_MIC)
audio_plnk_close();
free(audio_plnk_mic);
#else
audio_adc_mic_close(&esco_enc->mic_ch);
#if TCFG_AUDIO_ANC_ENABLE
//y_printf("anc_status:%d\n",anc_status_get());
if (anc_status_get() == 0) {
audio_mic_pwr_ctl(MIC_PWR_OFF);
}
#else
audio_mic_pwr_ctl(MIC_PWR_OFF);
#endif
//os_sem_post(&esco_enc->pcm_frame_sem);
audio_encoder_close(&esco_enc->encoder);
audio_adc_del_output_handler(&adc_hdl, &esco_enc->adc_output);
#endif
local_irq_disable();
free(esco_enc);
esco_enc = NULL;
local_irq_enable();
if (encode_task) {
audio_encoder_task_del(encode_task);
free(encode_task);
encode_task = NULL;
}
y_printf("esco_enc_close ok\n");
}
int esco_enc_get_fmt(struct audio_fmt *pfmt)
{
if (!esco_enc) {
return false;
}
memcpy(pfmt, &esco_enc->encoder.fmt, sizeof(struct audio_fmt));
return true;
}
//////////////////////////////////////////////////////////////////////////////
#if (defined(TCFG_PCM_ENC2TWS_ENABLE) && (TCFG_PCM_ENC2TWS_ENABLE))
#define PCM_ENC2TWS_OUTBUF_LEN (4 * 1024)
struct pcm2tws_enc_hdl {
struct audio_encoder encoder;
OS_SEM pcm_frame_sem;
s16 output_frame[30]; //align 4Bytes
int pcm_frame[60]; //align 4Bytes
u8 output_buf[PCM_ENC2TWS_OUTBUF_LEN];
cbuffer_t output_cbuf;
void (*resume)(void);
u32 status : 3;
u32 reserved: 29;
};
struct pcm2tws_enc_hdl *pcm2tws_enc = NULL;
extern void local_tws_start(u32 coding_type, u32 rate);
extern void local_tws_stop(void);
extern int local_tws_resolve(u32 coding_type, u32 rate);
extern int local_tws_output(s16 *data, int len);
void pcm2tws_enc_close();
void pcm2tws_enc_resume(void);
int pcm2tws_enc_output(void *priv, s16 *data, int len)
{
if (!pcm2tws_enc) {
return 0;
}
u16 wlen = cbuf_write(&pcm2tws_enc->output_cbuf, data, len);
os_sem_post(&pcm2tws_enc->pcm_frame_sem);
if (!wlen) {
/* putchar(','); */
}
/* printf("wl:%d ", wlen); */
pcm2tws_enc_resume();
return wlen;
}
void pcm2tws_enc_set_resume_handler(void (*resume)(void))
{
if (pcm2tws_enc) {
pcm2tws_enc->resume = resume;
}
}
static void pcm2tws_enc_need_data(void)
{
if (pcm2tws_enc && pcm2tws_enc->resume) {
pcm2tws_enc->resume();
}
}
static int pcm2tws_enc_pcm_get(struct audio_encoder *encoder, s16 **frame, u16 frame_len)
{
int rlen = 0;
if (encoder == NULL) {
r_printf("encoder NULL");
}
struct pcm2tws_enc_hdl *enc = container_of(encoder, struct pcm2tws_enc_hdl, encoder);
if (enc == NULL) {
r_printf("enc NULL");
}
os_sem_set(&pcm2tws_enc->pcm_frame_sem, 0);
/* printf("l:%d", frame_len); */
do {
rlen = cbuf_read(&pcm2tws_enc->output_cbuf, enc->pcm_frame, frame_len);
if (rlen == frame_len) {
break;
}
if (rlen == -EINVAL) {
return 0;
}
if (!pcm2tws_enc->status) {
return 0;
}
pcm2tws_enc_need_data();
os_sem_pend(&pcm2tws_enc->pcm_frame_sem, 2);
} while (1);
*frame = enc->pcm_frame;
return rlen;
}
static void pcm2tws_enc_pcm_put(struct audio_encoder *encoder, s16 *frame)
{
}
static const struct audio_enc_input pcm2tws_enc_input = {
.fget = pcm2tws_enc_pcm_get,
.fput = pcm2tws_enc_pcm_put,
};
static int pcm2tws_enc_probe_handler(struct audio_encoder *encoder)
{
return 0;
}
static int pcm2tws_enc_output_handler(struct audio_encoder *encoder, u8 *frame, int len)
{
struct pcm2tws_enc_hdl *enc = container_of(encoder, struct pcm2tws_enc_hdl, encoder);
local_tws_resolve(encoder->fmt.coding_type, encoder->fmt.sample_rate | (encoder->fmt.channel << 16));
int ret = local_tws_output(frame, len);
if (!ret) {
/* putchar('L'); */
} else {
/* printf("w:%d ", len); */
}
return ret;
}
const static struct audio_enc_handler pcm2tws_enc_handler = {
.enc_probe = pcm2tws_enc_probe_handler,
.enc_output = pcm2tws_enc_output_handler,
};
int pcm2tws_enc_open(u32 codec_type, u32 info)
{
int err;
struct audio_fmt fmt;
u16 rate = info & 0x0000ffff;
u16 channel = (info >> 16) & 0x0f;
printf("pcm2tws_enc_open: %d\n", codec_type);
fmt.channel = channel;
fmt.sample_rate = rate;
fmt.coding_type = codec_type;
if (!encode_task) {
encode_task = zalloc(sizeof(*encode_task));
audio_encoder_task_create(encode_task, "audio_enc");
}
if (pcm2tws_enc) {
pcm2tws_enc_close();
}
pcm2tws_enc = zalloc(sizeof(*pcm2tws_enc));
os_sem_create(&pcm2tws_enc->pcm_frame_sem, 0);
cbuf_init(&pcm2tws_enc->output_cbuf, pcm2tws_enc->output_buf, PCM_ENC2TWS_OUTBUF_LEN);
audio_encoder_open(&pcm2tws_enc->encoder, &pcm2tws_enc_input, encode_task);
audio_encoder_set_handler(&pcm2tws_enc->encoder, &pcm2tws_enc_handler);
audio_encoder_set_fmt(&pcm2tws_enc->encoder, &fmt);
audio_encoder_set_output_buffs(&pcm2tws_enc->encoder, pcm2tws_enc->output_frame,
sizeof(pcm2tws_enc->output_frame), 1);
if (!pcm2tws_enc->encoder.enc_priv) {
log_e("encoder err, maybe coding(0x%x) disable \n", fmt.coding_type);
err = -EINVAL;
goto __err;
}
local_tws_start(pcm2tws_enc->encoder.fmt.coding_type, pcm2tws_enc->encoder.fmt.sample_rate | (pcm2tws_enc->encoder.fmt.channel << 16));
pcm2tws_enc->status = 1;
audio_encoder_start(&pcm2tws_enc->encoder);
printf("sample_rate: %d\n", fmt.sample_rate);
return 0;
__err:
audio_encoder_close(&pcm2tws_enc->encoder);
local_irq_disable();
free(pcm2tws_enc);
pcm2tws_enc = NULL;
local_irq_enable();
return err;
}
void pcm2tws_enc_close()
{
if (!pcm2tws_enc) {
return;
}
pcm2tws_enc->status = 0;
printf("pcm2tws_enc_close");
local_tws_stop();
audio_encoder_close(&pcm2tws_enc->encoder);
free(pcm2tws_enc);
pcm2tws_enc = NULL;
if (encode_task) {
audio_encoder_task_del(encode_task);
free(encode_task);
encode_task = NULL;
}
}
void pcm2tws_enc_resume(void)
{
if (pcm2tws_enc && pcm2tws_enc->status) {
audio_encoder_resume(&pcm2tws_enc->encoder);
}
}
#endif
//////////////////////////////////////////////////////////////////////////////
int audio_enc_init()
{
printf("audio_enc_init\n");
audio_adc_init(&adc_hdl, &adc_data);
return 0;
}
extern struct audio_dac_hdl dac_hdl;
extern struct audio_adc_hdl adc_hdl;
#define ADC_DEMO_BUF_NUM 2
#define ADC_DEMO_IRQ_POINTS 256
#define ADC_DEMO_BUFS_SIZE (ADC_DEMO_BUF_NUM * ADC_DEMO_IRQ_POINTS)
struct adc_demo_demo {
u8 idle;
u8 adc_2_dac;
struct audio_adc_output_hdl adc_output;
struct adc_mic_ch mic_ch;
s16 adc_buf[ADC_DEMO_BUFS_SIZE]; //align 4Bytes
};
struct adc_demo_demo *adc_demo;
static void adc_mic_demo_output(void *priv, s16 *data, int len)
{
putchar('o');
if (adc_demo && adc_demo->adc_2_dac) {
int wlen = audio_dac_write(&dac_hdl, data, len);
}
//printf("adc:%x,len:%d",data,len);
//printf("wlen:%d",wlen);
}
static u8 mic_demo_idle_query()
{
return 1;
}
REGISTER_LP_TARGET(mic_demo_lp_target) = {
.name = "mic_demo",
.is_idle = mic_demo_idle_query,
};
void audio_adc_mic_demo(u8 mic_idx, u8 gain, u8 mic_2_dac)
{
u16 mic_sr = 16000;
u8 mic_gain = 10;
y_printf("audio_adc_mic_demo...");
adc_demo = zalloc(sizeof(*adc_demo));
if (adc_demo) {
audio_adc_mic_open(&adc_demo->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
audio_adc_mic_set_sample_rate(&adc_demo->mic_ch, mic_sr);
audio_adc_mic_set_gain(&adc_demo->mic_ch, mic_gain);
audio_adc_mic_set_buffs(&adc_demo->mic_ch, adc_demo->adc_buf, ADC_DEMO_IRQ_POINTS * 2, ADC_DEMO_BUF_NUM);
adc_demo->adc_output.handler = adc_mic_demo_output;
audio_adc_add_output_handler(&adc_hdl, &adc_demo->adc_output);
audio_adc_mic_start(&adc_demo->mic_ch);
adc_demo->adc_2_dac = mic_2_dac;
if (mic_2_dac) {
printf("max_sys_vol:%d\n", get_max_sys_vol());
app_audio_state_switch(APP_AUDIO_STATE_MUSIC, get_max_sys_vol());
printf("cur_vol:%d\n", app_audio_get_volume(APP_AUDIO_STATE_MUSIC));
audio_dac_set_volume(&dac_hdl, app_audio_get_volume(APP_AUDIO_STATE_MUSIC));
audio_dac_set_sample_rate(&dac_hdl, mic_sr);
audio_dac_start(&dac_hdl);
}
}
y_printf("audio_adc_mic_demo start succ\n");
}
void audio_adc_mic_demo_close()
{
if (adc_demo) {
audio_adc_del_output_handler(&adc_hdl, &adc_demo->adc_output);
audio_adc_mic_close(&adc_demo->mic_ch);
free(adc_demo);
adc_demo = NULL;
}
}
void audio_dac_open_test()
{
audio_dac_start(&dac_hdl);
JL_AUDIO->DAC_CON |= BIT(6);
JL_AUDIO->DAC_CON |= BIT(5);
SFR(JL_ADDA->DAA_CON1, 4, 4, 0); // RG_SEL_11v[3:0]
SFR(JL_ADDA->DAA_CON1, 0, 4, 10); // LG_SEL_11v[3:0] /////// spk gain
}
void audio_adc_mic_trim_open(u8 mic_idx, u8 gain)
{
u16 mic_sr = 16000;
g_printf("audio_adc_mic_trim_open:%d\n", mic_idx);
audio_adc_init(&adc_hdl, &adc_data);
adc_demo = zalloc(sizeof(*adc_demo));
if (adc_demo) {
audio_adc_mic_open(&adc_demo->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
audio_adc_mic_set_gain(&adc_demo->mic_ch, gain);
audio_adc_mic_set_sample_rate(&adc_demo->mic_ch, mic_sr);
audio_adc_mic_set_buffs(&adc_demo->mic_ch, adc_demo->adc_buf, ADC_DEMO_IRQ_POINTS * 2, ADC_DEMO_BUF_NUM);
adc_demo->adc_output.handler = adc_mic_demo_output;
audio_adc_add_output_handler(&adc_hdl, &adc_demo->adc_output);
audio_adc_mic_start(&adc_demo->mic_ch);
g_printf("audio_adc_mic_trim open succ\n");
} else {
r_printf("audio_adc_mic_trim open err\n");
}
}
void audio_adc_mic_trim_close(u8 mic_idx)
{
g_printf("audio_adc_mic_trim close:%d\n", mic_idx);
if (adc_demo) {
audio_adc_mic_close(&adc_demo->mic_ch);
audio_adc_del_output_handler(&adc_hdl, &adc_demo->adc_output);
free(adc_demo);
adc_demo = NULL;
}
}
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