80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
#include "include.h"
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void bt_aec_process(u8 *ptr, u32 samples, int ch_mode);
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void bt_adc_process(u8 *ptr, u32 samples, int ch_mode);
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void bt_alc_process(u8 *ptr, u32 samples, int ch_mode);
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void mic_test_sdadc_process(u8 *ptr, u32 samples, int ch_mode);
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#if MIC_TEST_EN
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#define speaker_sdadc_callback mic_test_sdadc_process
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#else
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#define speaker_sdadc_callback sdadc_dummy
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#endif // MIC_TEST_EN
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#if BT_ALC_EN
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#define bt_sdadc_callback bt_alc_process
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#else
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#define bt_sdadc_callback bt_sco_process
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#endif
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//MIC analog gain: 0~13(共14级), step 3DB (3db ~ +42db)
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//adadc digital gain: 0~63, step 0.5 DB, 保存在gain的低6bit
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const sdadc_cfg_t rec_cfg_tbl[] = {
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/* 通道, 采样率, 增益, 通路控制, 保留, 样点数, 回调函数*/
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{CH_MIC_PF0, SPR_16000, (2 << 6), ADC2DAC_EN, 0, 240, sdadc_dummy}, /* SPEAKER */
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{CH_MIC_PF0, SPR_8000, (12 << 6), ADC2DAC_EN, 0, 240, bt_sdadc_callback}, /* BTMIC */
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};
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void audio_path_init(u8 path_idx)
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{
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sdadc_cfg_t cfg;
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memcpy(&cfg, &rec_cfg_tbl[path_idx], sizeof(sdadc_cfg_t));
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if (path_idx == AUDIO_PATH_BTMIC) {
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#if BT_AEC_EN
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if (xcfg_cb.bt_aec_en) {
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cfg.callback = bt_aec_process;
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} else
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#endif
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#if BT_ALC_EN
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if (xcfg_cb.bt_alc_en) {
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cfg.callback = bt_alc_process;
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} else
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#endif
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{
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cfg.callback = bt_adc_process;
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}
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if (bt_sco_is_msbc()) {
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cfg.sample_rate = SPR_16000;
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}
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cfg.gain = ((u16)BT_ANL_GAIN << 6) | BT_DIG_GAIN;
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}
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sdadc_init(&cfg);
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}
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void audio_path_start(u8 path_idx)
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{
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sdadc_cfg_t cfg;
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memcpy(&cfg, &rec_cfg_tbl[path_idx], sizeof(sdadc_cfg_t));
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sdadc_start(cfg.channel);
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}
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void audio_path_exit(u8 path_idx)
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{
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sdadc_cfg_t cfg;
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memcpy(&cfg, &rec_cfg_tbl[path_idx], sizeof(sdadc_cfg_t));
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sdadc_exit(cfg.channel);
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adpll_spr_set(DAC_OUT_SPR);
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}
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u8 get_mic_dig_gain(void)
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{
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return BT_DIG_GAIN;
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}
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