236 lines
6.9 KiB
C
236 lines
6.9 KiB
C
/*
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*****************************************************************
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*
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* Audio ADC 多通道使用demo
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*
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*****************************************************************
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*/
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#include "asm/includes.h"
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#include "media/includes.h"
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#include "system/includes.h"
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#include "asm/audio_src.h"
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#include "audio_enc.h"
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#include "app_main.h"
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//#include "app_task.h"
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#include "audio_config.h"
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extern struct audio_adc_hdl adc_hdl;
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/*总共使能多少个通道*/
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#define LADC_CH_NUM 1
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#define LADC_BUF_NUM 2
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#define LADC_IRQ_POINTS 256 /*中断点数*/
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#define LADC_BUFS_SIZE (LADC_CH_NUM * LADC_BUF_NUM * LADC_IRQ_POINTS)
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/*调试使用，推mic数据/linein数据/mic&line混合数据到dac*/
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#define LADC_2_DAC_ENABLE 1
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#define LADC_MIC_2_DAC BIT(0)
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#define LADC_LIN_2_DAC BIT(1)
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#define LADC_2_DAC (LADC_MIC_2_DAC | LADC_LIN_2_DAC)
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typedef struct {
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struct audio_adc_output_hdl output;
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struct audio_adc_ch linein_ch;
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struct adc_mic_ch mic_ch;
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s16 adc_buf[LADC_BUFS_SIZE]; //align 4Bytes
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s16 temp_buf[LADC_IRQ_POINTS * 3];
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} audio_adc_t;
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static audio_adc_t *ladc_var = NULL;
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/*
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* 使能1个通道,1个linein或者1个mic：
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* 数据结构：DAT0 DAT1 DAT2
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*/
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static void audio_adc1_output_demo(void *priv, s16 *data, int len)
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{
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struct audio_adc_hdl *hdl = priv;
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int wlen = 0;
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putchar('1');
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if (ladc_var == NULL) {
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return;
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}
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/* printf("linein:%x,len:%d,ch:%d",data,len,hdl->channel); */
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#if LADC_2_DAC_ENABLE
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#if (TCFG_AUDIO_DAC_CONNECT_MODE == DAC_OUTPUT_LR)//双声道数据结构
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for (int i = 0; i < (len / 2); i++) {
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ladc_var->temp_buf[i * 2] = data[i];
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ladc_var->temp_buf[i * 2 + 1] = data[i];
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}
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wlen = app_audio_output_write(ladc_var->temp_buf, len * 2);
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#else //单声道数据结构
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//TODO
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wlen = app_audio_output_write(data, len * hdl->channel);
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#endif/*TCFG_AUDIO_DAC_CONNECT_MODE*/
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#endif/*LADC_2_DAC_ENABLE*/
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}
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/*
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* 使能2个通道,1个linein和1个mic：
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* 数据结构：LIN0 MIC0 LIN1 MIC1 LIN2 MIC2
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*/
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static void audio_adc2_output_demo(void *priv, s16 *data, int len)
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{
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struct audio_adc_hdl *hdl = priv;
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int wlen = 0;
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putchar('2');
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if (ladc_var == NULL) {
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return;
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}
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/* printf("linein:%x,len:%d,ch:%d",data,len,hdl->channel); */
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#if LADC_2_DAC_ENABLE
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#if (TCFG_AUDIO_DAC_CONNECT_MODE == DAC_OUTPUT_LR)//双声道数据结构
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wlen = app_audio_output_write(data, len * 2);
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#else //单声道数据结构
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//TODO
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#endif/*TCFG_AUDIO_DAC_CONNECT_MODE*/
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#endif/*LADC_2_DAC_ENABLE*/
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}
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/*
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* 使能3个通道,2个linein 和 1个mic：
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* 数据结构：LINL0 LINR0 MIC0 LINL1 LINR1 MIC1 LINL2 LINR2 MIC2...
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*/
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static void audio_adc3_output_demo(void *priv, s16 *data, int len)
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{
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struct audio_adc_hdl *hdl = priv;
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int wlen = 0;
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putchar('3');
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if (ladc_var == NULL) {
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return;
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}
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/* printf("linein:%x,len:%d,ch:%d",data,len,hdl->channel); */
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#if LADC_2_DAC_ENABLE
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#if (TCFG_AUDIO_DAC_CONNECT_MODE == DAC_OUTPUT_LR)//双声道数据结构
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#if (LADC_2_DAC == LADC_LIN_2_DAC)
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for (u16 i = 0; i < len / 2; i++) {
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data[2 * i] = data[3 * i];
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data[2 * i + 1] = data[3 * i + 1];
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}
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#elif (LADC_2_DAC == LADC_MIC_2_DAC)
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for (u16 i = 0; i < len / 2; i++) {
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data[2 * i] = data[3 * i + 2];
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data[2 * i + 1] = data[3 * i + 2];
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}
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#else //linein data and mic data mix
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int tmp_data;
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for (u16 i = 0; i < len / 2; i++) {
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tmp_data = data[3 * i];
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tmp_data += data[3 * i + 2];
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if (tmp_data > 32767) {
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tmp_data = 32767;
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} else if (tmp_data < -32768) {
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tmp_data = -32768;
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}
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data[2 * i] = tmp_data;
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tmp_data = data[3 * i + 1];
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tmp_data += data[3 * i + 2];
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if (tmp_data > 32767) {
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tmp_data = 32767;
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} else if (tmp_data < -32768) {
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tmp_data = -32768;
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}
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data[2 * i + 1] = tmp_data;
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}
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#endif/*LADC_2_DAC*/
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wlen = app_audio_output_write(data, len * 2);
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#else //单声道数据结构
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#endif/*TCFG_AUDIO_DAC_CONNECT_MODE*/
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#endif/*LADC_2_DAC_ENABLE*/
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}
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int audio_adc_open_demo(void)
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{
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u16 ladc_sr = 16000;
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u8 mic_gain = 5;
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u8 linein_gain = 3;
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r_printf("audio_adc_open_demo,sr:%d,mic_gain:%d,linein_gain:%d\n", ladc_sr, mic_gain, linein_gain);
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if (ladc_var) {
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r_printf("ladc already open \n");
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return 0;
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}
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ladc_var = zalloc(sizeof(audio_adc_t));
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if (ladc_var) {
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#if (LADC_CH_NUM == 1)
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audio_adc_mic_open(&ladc_var->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
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audio_adc_mic_set_sample_rate(&ladc_var->mic_ch, ladc_sr);
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audio_adc_mic_set_gain(&ladc_var->mic_ch, mic_gain);
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audio_adc_mic_set_buffs(&ladc_var->mic_ch, ladc_var->adc_buf, LADC_CH_NUM * LADC_IRQ_POINTS * 2, LADC_BUF_NUM);
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ladc_var->output.handler = audio_adc1_output_demo;
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ladc_var->output.priv = &adc_hdl;
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audio_adc_add_output_handler(&adc_hdl, &ladc_var->output);
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audio_adc_mic_start(&ladc_var->mic_ch);
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#else
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audio_adc_mic_open(&ladc_var->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
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audio_adc_mic_set_sample_rate(&ladc_var->mic_ch, ladc_sr);
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audio_adc_mic_set_gain(&ladc_var->mic_ch, mic_gain);
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#if (LADC_CH_NUM ==2 )
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audio_adc_linein_open(&ladc_var->linein_ch, AUDIO_ADC_LINE0_L, &adc_hdl);
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//audio_adc_linein_open(&ladc_var->linein_ch, AUDIO_ADC_LINE0_R, &adc_hdl);
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#else
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audio_adc_linein_open(&ladc_var->linein_ch, AUDIO_ADC_LINE0_LR, &adc_hdl);
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#endif
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audio_adc_linein_set_sample_rate(&ladc_var->linein_ch, ladc_sr);
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audio_adc_linein_set_gain(&ladc_var->linein_ch, linein_gain);
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printf("adc_buf_size:%d", sizeof(ladc_var->adc_buf));
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audio_adc_set_buffs(&ladc_var->linein_ch, ladc_var->adc_buf, LADC_CH_NUM * LADC_IRQ_POINTS * 2, LADC_BUF_NUM);
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#if (LADC_CH_NUM == 2)
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ladc_var->output.handler = audio_adc2_output_demo;
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#else
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ladc_var->output.handler = audio_adc3_output_demo;
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#endif/*LADC_CH_NUM*/
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ladc_var->output.priv = &adc_hdl;
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audio_adc_add_output_handler(&adc_hdl, &ladc_var->output);
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audio_adc_start(&ladc_var->linein_ch, &ladc_var->mic_ch);
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#endif
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#if LADC_2_DAC_ENABLE
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app_audio_output_samplerate_set(ladc_sr);
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app_audio_output_start();
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#endif/*LADC_2_DAC_ENABLE*/
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return 0;
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} else {
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return -1;
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}
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}
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void audio_adc_close_demo()
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{
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if (ladc_var) {
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audio_adc_mic_close(&ladc_var->mic_ch);
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audio_adc_del_output_handler(&adc_hdl, &ladc_var->output);
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local_irq_disable();
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free(ladc_var);
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ladc_var = NULL;
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local_irq_enable();
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extern void audio_output_stop(void);
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audio_output_stop();
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}
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}
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#if 1
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static u8 audio_adc_demo_idle_query(void)
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{
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if (ladc_var) {
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return 0;
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}
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return 1;
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}
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REGISTER_LP_TARGET(audio_adc_demo) = {
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.name = "audio_adc_demo",
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.is_idle = audio_adc_demo_idle_query,
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};
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#endif
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